20090827 Ver 1_401 Application_20090709

Chwk te-M•cktenburg
STORM
?. WATER
Services
July 17, 2009
09'0 82 T
PAID
Ms. Cyndi Karoly
North Carolina Division of Water Quality
Do
401/Wetlands Unit J U L 3 U 2009
Mail Service Center 1650
Raleigh, NC 27699-1650 MNR - WATER QUALITY
TilEt1JIN;18 AND ST4RMATER BRNU
Subject: Briar Creek (Randolph to Providence) Environmental Restoration Project Permitting
City of Charlotte Umbrella Stream and Wetland Mitigation Bank
Charlotte, North Carolina
Dear Ms. Karoly:
Please find attached a Nationwide Permit application for the Briar Creek Environmental Restoration Project
located between Randolph Road and Providence Road in Charlotte, North Carolina. This is a joint project
between Charlotte-Mecklenburg Storm Water Services and Mecklenburg Park and Recreation that will
improve aquatic resource functions in the main stem of Briar Creek and its tributaries as well as provide
recreation opportunities to nearby residents.
Per the approved Site Specific Mitigation Plan (SSMP) and approval letter (see attached), this project will
generate stream mitigation credits which will be applied to the City of Charlotte Umbrella Stream and Wetland
Mitigation Bank.
Please do not hesitate to contact me at 704-432-0966 or jkarl(acharlottenc.gov should you have any questions
or comments regarding this project.
Sincerely,

Jarrod Karl
Mitigation Administrator
Attachments: Nationwide Permit Application
SSMP Approval Letter
•
?m To report pollution or drainage problems, call; 311
•?? httpstormNvater.charmeck.org
(7MARI11rM'
a
600 E. Fourth Street
Charlotte, NC 28202
Fax [phone]
09-0 82 7
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Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre-Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1 a. Type(s) of approval sought from the
Corps:
N Section 404 Permit El Section 10 Permit
1 b. Specify Nationwide Permit (NWP) number: Nos. 14 & 27 or General Permit (GP) number:
1c. Has the NWP or GP number been verified by the Corps? ? Yes ® No
1d. Type(s) of approval sought from the DWQ (check all that apply):
N 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit
? 401 Water Quality Certification - Express ? Riparian Buffer Authorization
1 e. Is this notification solely for the record
because written approval is not required? For the record only for DWQ 401
Certification:
? Yes N No For the record only for Corps Permit:

? Yes N No
1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu
fee program. ? Yes ® No
1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h
below. ? Yes ® No
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes ® No
2. Project Information
2a. Name of project: Briar Creek Enhancement - Randolph Rd. to Providence Rd.
2b. County: Mecklenburg
2c. Nearest municipality / town: Charlotte
2d. Subdivision name: N/A
2e. NCDOT only, T.I.P. or state
project no: D V 11 it
lul
ILI
3. Owner Information 3 0 2009
3a. Name(s) on Recorded Deed:
3b. Deed Book and Page No. D µpSTOR?1ER13
3c. Responsible Party (for LLC if
applicable):
3d. Street address:
3e. City, state, zip:
3f. Telephone no.:
3g. Fax no.:
3h. Email address:
Page 1 of 11
PCN Form - Version 1.3 December 10, 2008 Version
4. Applicant Information (if different from owner)
4a. Applicant is: ? Agent ? Other, specify:
4b. Name: Jarrod Karl
4c. Business name
(if applicable): Charlotte Mecklenburg Storm Water Services
4d. Street address: 600 East Fourth Street, 14th Floor
4e. City, state, zip: Charlotte, NC 28202
4f. Telephone no.: 704-432-0966
4g. Fax no.: 704-336-6586
4h. Email address: [e-mail]
5. Agent/Consultant Information (if applicable)
5a. Name: Emily Reinicker, PE, CFM
5b. Business name
(if applicable): Wildlands Engineering, Inc.
5c. Street address: 1430 South Mint Sreet, Suite 104
5d. City, state, zip: Charlotte, NC 28203
5e. Telephone no.: 704-332-7754
5f. Fax no.: 704-332-3306
5g. Email address: [e-mail]
Page 2 of 11
B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID): Linear project corridor
1b. Site coordinates (in decimal degrees): Latitude: 35.197597 Longitude: -80.811992
(DD.DDDDDD) (-DD.DDDDDD)
1 c. Property size: N/A linear project 7,600 linear feet
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to Briar Creek
proposed project:
2b. Water Quality Classification of nearest receiving water: Class C
2c. River basin: Catawba 03050103
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
The project is located in an urbanized, fully developed area of the city of Charlotte. Land uses adjacent to the project
limits of Briar Creek are a combination of commercial and residential developments. The Museum Drive Tributary flows
through Eastover Park adjacent to the Mint Museum and is surrounded by residential homes and small wooded areas.
3b. List the total estimated acreage of all existing wetlands on the property:
Total wetlands include 0.02 acre within the corridor of the proposed greenway trail.
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
Approximately 7,600 linear feet within the project corridor.
3d. Explain the purpose of the proposed project:
The primary goal for the project is to reclaim the natural and beneficial functions of the floodplain and stream channel
within Briar Creek and Museum Drive Tributary. Additionally, a greenway trail will be constructed along Briar Creek for
public recreation.
3e. Describe the overall project in detail, including the type of equipment to be used:
Grading and planting bank slopes with native riparian species, excavation of floodplain bench, excavation of riffle and pool
bedform features and installation of in-stream structures. A trackhoe will be used for in-stream work. A paved greenway
trail is planned along Briar Creek.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (including all prior phases) in the past? ? Yes ® No ? Unknown
Comments: No, not in the past. Jurisdictional Verification is
being requested with this permit application.
4b. If the Corps made the jurisdictional determination, what type
f d
t
? Preliminar
? Final
o
e
ermination was made? y
4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company:
Name (if known): Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
5. Project History
5a. Have permits or certifications been requested or obtained for
this project (including all prior phases) in the past? ? Yes ® No ? Unknown
5b. If yes, explain in detail according to "help file" instructions.
Page 3 of 11
PCN Form - Version 1.3 December 10, 2008 Version
B. Project Information and Prior Project History
6. Future Project Plans
6a. Is this a phased project? ? Yes ® No
6b. If yes, explain.
Page 4 of 11
C. Proposed Impacts Inventory
1. Impacts Summary
1 a. Which sections were completed below for your project (check all that apply):
® Wetlands ® Streams - tributaries ? Buffers
? Open Waters ? Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a. 2b. 2c. 2d. 2e. 2f.
Wetland impact Type of jurisdiction
number - Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact
Permanent (P) or (if known) DWQ - non-404, other) (acres)
Temporary T
W1 ®P ? T Fill Linear, floodplain ? Yes
® No ® Corps
? DWQ 0.02
W2 ? P ? T ? Yes ? Corps
? No ? DWQ
W3 ? P ? T ? Yes ? Corps
? No ? DWQ
W4 ? P ? T ? Yes ? Corps
? No ? DWQ
W5 ? P ? T ? Yes ? Corps
? No ? DWQ
W6 ? P ? T ? Yes ? Corps
? No ? DWQ
2g. Total wetland impacts 0.02
2h. Comments: Portion of linear wetland will be filled as a result of the construction of the Briar Creek greenway trail.
3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a. 3b. 3c. 3d. 3e. 3f. 3g.
Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact
number - (PER) or (Corps - 404, 10 stream length
Permanent (P) or intermittent DWQ - non-404 width (linear
Temporary (T) (INT)? ,
other) (feet) feet)
S1 ? P ®T Enhancement Briar Creek ® PER
? INT ® Corps
® DWQ 30 6,700
S2 ? P ® T Restoration Museum Dr. Trib ® PER
? INT ® Corps
® DWQ 3 900
S3 ? P ? T ? PER ? Corps
? INT ? DWQ
S4 ? P ? T ? PER ? Corps
? INT ? DWQ
S5 ? P ? T ? PER ? Corps
? INT ? DWQ
S6 ? P ? T ? PER ? Corps
? INT ? DWQ
3h. Total stream and tributary impacts 7,600
3i. Comments: All impacts to on-site streams include temporary enhancement and restoration activities.
Page 5 of 11
PCN Form - Version 1.3 December 10, 2008 Version
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individual) list all open water impacts below.
4a. 4b. 4c. 4d. 4e.
Open water Name of waterbody
impact number - (if applicable) Type of impact Waterbody type Area of impact (acres)
Permanent (P) or
Temporary T
01 ?P?T
02 ?P?T
03 ?P?T
04 ?P?T
4f. Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If and or lake construction proposed, then complete the chart below.
5a. 5b. 5c. 5d. 5e.

Pond ID
Proposed use or purpose Wetland Impacts (acres) Stream Impacts (feet) Upland

number (acres)
of pond
Flooded Filled Excavated Flooded Filled Excavated Flooded
P1
P2
5f. Total
5g. Comments:
5h. Is a dam high hazard permit required?
? Yes ? No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If an impacts require mitigation, then you MUST fill out Section D of this form.
6a.
? Neuse ? Tar-Pamlico ? Other:
Project is in which protected basin? ? Catawba ? Randleman
6b. 6c. 6d. 6e. 6f. 6g.
Buffer impact
number -
Permanent (P) or Reason
for
Stream name Buffer
mitigation Zone 1 impact
(square feet) Zone 2 impact
(square feet)
Temporary T impact required?
B1 ?P?T ?Yes
? No
B2 ?P?T ?Yes
? No
B3 ?P?T ?Yes
?
No
6h. Total buffer impacts
6i. Comments:
Page 6 of 11
D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
The project constitutes a positive impact, enhancing and restoring stream function and habitat by improving bed features
in the streams and establishing flood storage. Biodegradable coir fiber matting will be used to stabilize the newly graded
banks throughout the project corridor. The use of permanent matting has been reduced to 200 linear feet (200 bank
feet). This permanent matting will be used to stabilize the left bank between Briar Creek and the proposed Greenway
trail. The proposed greenway trail will cross the on-site jurisdictional wetland at a near perpendicular angle in order to
reduce impacts; the crossings of Briar Creek and Museum Drive Tributary will utilize bridges spanning top-of-bank to top-
of-bank and will not result in any impacts to jurisdictional waters.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Construction practices will follow guidelines from the NC Erosion and Sediment Control Planning and Design Manual.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State? ? Yes ® No
2b. If yes, mitigation is required by (check all that apply): ? DWQ ? Corps

2c. If yes, which mitigation option will be used for this
project? ? Mitigation bank

El Payment to in-lieu fee program
? Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter) Type Quantity
3c. Comments:
4. Complete if Making a Payment to In-lieu Fee Program
4a. Approval letter from in-lieu fee program is attached. ? Yes
4b. Stream mitigation requested: linear feet
4c. If using stream mitigation, stream temperature: ? warm ? cool ?cold
4d. Buffer mitigation requested (DWQ only): square feet
4e. Riparian wetland mitigation requested: acres
4f. Non-riparian wetland mitigation requested: acres
4g. Coastal (tidal) wetland mitigation requested: acres
4h. Comments:
5. Complete if Using a Permittee Responsible Mitigation Plan
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
Page 7 of 11
PCN Form - Version 1.3 December 10, 2008 Version
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) - required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
buffer mitigation? ? Yes ® No
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.

Zone 6c.
Reason for impact 6d.
Total impact
(square feet)
Multiplier 6e.
Required mitigation
(square feet)
Zone 1 3 (2 for Catawba)
Zone 2 1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund).
6h. Comments:
Page 8 of 11
E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
1 a. Does the project include or is it adjacent to protected riparian buffers identified ? Yes ® No
within one of the NC Riparian Buffer Protection Rules?
1 b. If yes, then is a diffuse flow plan included? If no, explain why.
? Yes ? No
Comments:
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project? 0.1 %
2b. Does this project require a Stormwater Management Plan? ? Yes ® No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why: The proposed greenway trail will be the
only impervious new construction as a result of this project and will only increase impervious coverage of the entire
project corridor by less than 1 %.
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
? Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan? ? DWQ Stormwater Program
? DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project?
? Phase II
3b. Which of the following locally-implemented stormwater management programs ? NSW
? USMP
apply (check all that apply): ? Water Supply Watershed
? Other:
3c. Has the approved Stormwater Management Plan with proof of approval been ? Yes ? No
attached?
4. DWQ Stormwater Program Review
? Coastal counties

4a. Which of the following state-implemented stormwater management programs apply ? HQW
? ORW
(check all that apply):
? Session Law 2006-246
? Other:
4b. Has the approved Stormwater Management Plan with proof of approval been
attached? ? Yes ? No
5. DWQ 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements? ? Yes ? No
5b. Have all of the 401 Unit submittal requirements been met? ? Yes ? No
Page 9 of 11
PCN Form - Version 1.3 December 10, 2008 Version
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1a. Does the project involve an expenditure of public (federal/state/local) funds or the ® Yes ? No
use of public (federal/state) land?
1 b. If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State ? Yes ® No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1 c. If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
letter.) ? Yes ? No
Comments:
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ? Yes ® No
or Riparian Buffer Rules (15A NCAC 2B.0200)?
2b. Is this an after-the-fact permit application? ? Yes ® No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in ? Yes ® No
additional development, which could impact nearby downstream water quality?
3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
This is a stream restoration project and will not cause an increase in development nor will it negatively impact
downstream water quality.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from
the proposed project, or available capacity of the subject facility.
Page 10 of 11
PCN Form - Version 1.3 December 10, 2008 Version
1. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or
h El Yes ® N

abitat? o
5b. Have you checked with the USFWS concerning Endangered Species Act
i El Yes ® N

mpacts? NCDENR Natural Heritage Program o

5c. If yes, indicate the USFWS Field Office you have contacted. ? Raleigh
? Asheville
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
The NCDENR Natural Heritage Program was contacted regarding the presence of Endangered Species or Critical Habitat
within the project corridor. No record of rare species, significant natural communities, natural heritage areas, or
conservation managed areas were found at the site nor within a mile of the project (see enclosed letter).
2. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat? ? Yes ® No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
NCDENR
3. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal
governments have designated as having historic or cultural preservation
status (e.g., National Historic Trust designation or properties significant in
®Yes ? No
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
The NC State Historic Preservation Office (SHPO) was contacted regarding the presence historic properties or cultural
resources within the project corridor. Because of the projects proximity to the Eastover National Register Historic District
,
a further review of the proposed project plans was performed by SHPO. It was determined that the proposed project
would have no adverse effects on the Eastover District (see enclosed letters).
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain? ® Yes ? No
8b. If yes, explain how project meets FEMA requirements: A Floodplain Development Permit will be obtained from
Mecklenburg County, a Cooperating Technical Partner with FEMA with authority to approve floodplain impacts. A full
hydraulic modeling study will be performed to ensure that the project will not worsen 100-year flood conditions at any
location on Briar Creek.
8c. What source(s) did you use to make the floodplain determination? FIRM Panel 0187; Map Number 37119COl87E
,
effective date 2/4/2004
Jarrod Karl
-
7/29/09

Applicant/Agent's Printed Name Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant
is rovided.
REQUEST FOR JURISDICTIONAL DETERMINATION
DATE: July 20, 2009
COUNTY Mecklenburg County, North Carolina TOTAL ACREAGE OF TRACT N/A (linear project)
PROJECT NAME (if applicable) Briar Creek Enhancement Randolph Road to Providence Road
PROPERTY OWNER/APPLICANT (name, address and phone):
Charlotte Mecklenburg Storm Water Services
POC: Jarrod Karl at 704-432-0966
600 East Fourth Street, 14`h Floor
Charlotte, North Carolina 28202
NAME OF CONSULTANT, ENGINEER, DEVELOPER (if applicable):
Wildlands Engineering, Inc.
POC: Emily Reinicker, PE, CFM
1430 South Mint Street, Suite 104
Charlotte, NC 28203
STATUS OF PROJECT (check one):
( ) On-going site work for development purposes
( X) Project in planning stages
(Type of project: stream restoration/ enhancement )
( ) No specific development planned at present
( ) Project already completed
(Type of project:_
ADDITIONAL INFORMATION REQUIRED:
Check items submitted - forward as much information as is available. At a minimum, the following first two items must be
forwarded.
(X ) USGS 7.5-Minute, NC Topographic Quadrangle
(X ) NRCS Mecklenburg County Soil Survey
(X ) Project Site Map
(X) Pre-Construction Notification Pursuant to Nationwide Permit Nos. 14 & 27
(X) 70% Enhancement and Restoration Design Plans
(X) NCDWQ Stream Classification Forms
(X) USACE Stream Quality Assessment Worksheets
(X) Approved Jurisdictional Determination Forms
(X ) Routine On-Site Data Forms
(X ) Representative Photographs ...
Signature of Property Owner or
Authorized Agent
Jarrod Karl, CMSWS
NV V
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Natural Resources Planning and Conservation
Beverly Eaves Perjue, Governor
Linda Pearsall, Director
Dee Freeman Secretary
Nh- Matt L. ,Icnl'ins
Wilcfl.llldl Lllglneerin',.Inr
14 30 Solllll N11111 street, Suitc 10 1
(_ harlotte, NC 28203
lauuan 15. 200()
subject: Briar ('reel: Randolph Road to Prov idcnce Road -- Stream L:nhancenlellt Project., ('lial lotto,
YleckIeiibur,_, Comii\
Deal Nli Jenkins:
I he Netllral I INrita,!l' hru r?llll Ilan Ilk) I'eLOId Of I'MC i1),Xle,, 1,11011111C;lllt Ilattli-al :0111lllUllltle", iWlllllcint
natural herita11c vcas, OF consenatiun'm.lua?ed .Ire.1 at the site nor within a mile of tile project arca.
Ailliou-h our neaps du wt sIlov% recur(ls of such natural herita"e elements in the proicet area. it does I)ot
neccssaril, mean that thcr are not present. It 111,1\ sinlply mean that the area has not been sure cycol. The
use ot'Natural Heritaue Program data should not be substituted Im actual Held surveVS, particularly ifthc
protect area contains suitable habitat 1,11- rare species, si;niticant natural communities, or prioritti, nattual
areas.
)'(,it nla\ wish to check the Natural I leriulge 1'rogranl database vvehsite at vvwvv,.nctthp.or,t for a listin', of
rare plants and animal; and Wmiticaiit natural conlmuuities in the count, and on the quad neap. Our
Pro-ranl also has a liev\ ??el)site that ?Illonv? users to ohtain information 011 clement occwTences and
significant nattiral heritage areas \\ ithin t\\ o miles ofa "i\rcn location:
'http:'!nhp??cb,enr.state.nc.us,'nhis'public!,_,nlap75 _nlain.phtnlb. AIle user name is "public" and the
passlwrd is "herita'n"- You nlav vvallt to click "'I felp" 1i01. more infi0rnlation.
N( 011eN1ap noN% prcl\ ides ?li,ital Natural I IcriUI? c data online li,r free. I his sere ice proN isles site
specific inlor111atioll on GIs IlNers ith Natural I lei ita??e Proorant rare species occurrences and
Significant Natural Ileiita?11e Are;is. 1'he NC OneNlap xNehsitc prrwides Clement Occurrcnce t1 01 11)
numbers (instead of species Hanle), and the data user is then cncoura,ucd to contact the Natural Ileritll_c
Program 1'01 detailed ilIfOrIM10011. I hiS serA ire all???? thr u.er to yuickI\ and el,licirntly -,et site sp?-cilic
NI II' data \ti ithoul isitin ills NI IP «orhr,will or ailinwe for the In[ilrnlation Rcgtlcst to he ans\vcrk:d h\
NI II' stall. 1 or more infor111MI n ahwit data formats and access. v isil -\N tiN ull,?U)_ lllthen click
on "L 1 P 1)ata IXMIlI0AI-, :Ind then "nllco.zip Ito the ri'ht ill Natural I Icrita;?c Flenlent (?rcuurcn?e,'
You n1a, also c-mail NC UneNlap at ?I_llalq. l nwa11i0I1.nct for fliorc infornrltion.
Pleatie do not hCSitatC to contact nlc ,it 1)19.71;-S6()7 11 Noll have questions or nest) further Ill fornl;ltion.
Sincercl,.
lama [-. ?e(;rand, ,Ir . /_,fl,_?ist
Natural I Ierila,c Pro,!ranl
1601 Mail Service Center, Raleigh, North Carolina 27699-1601 One
thC'arOllna
Phone' 919-715-41951, FAX [phone] Internee wwvvoneNCNaturally c;rg N Naturally
A Ecuai Or ,t itunit '01 trial ve a?tjoi Em,,) j F r 5ye' '_''o r?yt ycaed'• 10°1: P,t C _osUme( yip;
h Ili r R,o.rs Plr.nrinc nl' "onrr?°rrna
Ad SiAl{ o
rr ti wa
North Carolina Department of Cultural Resources
State Historic Preservation Office
Peter B Sandbeek, Administrator
Mtehael F Exglcy, Govemor I)fticc of-Archivt,? and Ilutor.
lasbeth C 1?vans. Seeretan' Dicisiun of f iistorcal Resourcca
lcffrt? (. Crrnv, Deputy Sccretan' David Brunk, Dirrctor
January 28, 2009
Matt L. Jenkins
Wildlands Engineering
1430 S Mint Street, Suite 104
Charlotte, NC 28203
RE: Briar Creek Randolph Road to Providence Road Stream Enhancement Project, Charlotte,
Mecklenburg County, ER09-0068
Dear Mr. Jenkins:
Thank you for our letter of January 9, 2009, concerning the above referenced undertaking. We have reviewed
our maps and files and find that the proposed stream enhancement may affect the Eastover Historic District.
According to our files the properties along the stream appear to be the back of lots within the district.
Please provide us with plans for this project so we may determine if there will be an effect on the historic
district.
The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR
Part 800.
Thank you for vour cooperation and consideration. If you have questions concerning the above comment,
contact Renee Gledhill-Earley, environmental review coordinator, at 919-8071-6579. In all future
communication concerning this project, please cite the above referenced tracking number.
Sincerely,
LL? Wo-"
eter Sandbeek
Location: 1(P) Cast Jones Street, Raleigh NC 21601 Mailing Address 4(171 Mail Scntce Ccmrr, 161,igh N( 2"697 11,1 Ceiephone/Pax. ')19) b0- 6? t ; Lill- 6599
STATE
o
North Carolina Department of Cultural Resources
State Historic Preservation Office
Teter B \.uldbrck, \:11111M IAII
R,,crh Ii,?, P,rdLICiG k1`11, h:,, 1, 1 11: ,
I nuLi A Carlisle, Secretary
Ict(rcI I. Crow, I )e?putt St cn t`irt I J lin g h. I hrri i, :
:March 4, 2009
Matt Jenkins
Wildlands Engineering, Inc.
1430 South Mint Street
Suite 104
Charlotte, NC 28203
Re: Briar Crcek Randolph Road to Providence Road Stream FInhancement, (;harlotte,
Mecklenburg County, ER 09-0068
Dear Mr. Jenkins:
Thank you for your letter of February 18, 2009, providing the additional information we rcyucsted.
Per our phone conversation of March 4, 2009, and the description of the project, there appears a) be no
adverse effect to the Eastover National Register Historic District. Therefore, we have no conuncnl on the
project as proposed
The above comments are made pursuant to Section 106 of the 'r'ational Historic Preservation Act and the
Advisory Council on I listorie Preservation's Regulations for Compliance with Section 106 codified at 30
Part 800.
Thank you for your cooperation and consideration. If you have questions concerning the above comment,
please contact Bence Gledhill-Earley, environmental review coordinator, at 919$07-6579. In all future
communication concerning this project, please cite the above-referenced tracking number.
Sincerely,
eter Sandbeck
T
I,acation. 109 1 , t lunc ?I-1, 1,d,gh No 2-6011 Marling Address 461 " iNl,,,l )+?n'icc t:ca ? it:l,.:gl: Nr ?-(,91 l(I hck d:uucll?a? P)
Briar Creek Enhancement
Randolph Road to Providence Road
Site Specific Mitigation Plan
Briar Creek and Museum Drive Tributary
Charlotte, North Carolina
July 20, 2009
Prepared for:
Cft*w a aw?ewp
STORM
Swim
Prepared by:
l
WILDLANDS
ENGINEERING
Wildlands Engineering, Inc. • phone: [phone] • fax: [phone] • 1430 S. Mint Street, Suite 104 • Charlotte, NC 28203
Executive Summary
Charlotte - Mecklenburg Storm Water Services (CMSWS) proposes to enhance 1,750 linear feet
(LF) of Briar Creek for mitigation credit, restore 930 LF of Museum Drive Tributary through
Eastover Park for mitigation credit, and enhance an additional 4,970 LF of Briar Creek as part of
a habitat and water quality improvement project. Enhancement credit for the Briar Creek
mitigation reach is proposed at a credit ratio of 2:1, which will produce 875 stream mitigation
units (SMUs). Restoration credit for the Museum Drive Tributary is proposed at a credit ratio of
1:1, which will produce 930 SMUs. The mitigation credits will be submitted for the City of
Charlotte's Umbrella Mitigation Bank.
The project's existing channels have been historically straightened, are vertically incised, and
lack channel habitat and riparian buffer features. This project will help to provide habitat
diversity, bank stability, and a riparian buffer to Briar Creek. The dimension, pattern, and profile
of the Museum Drive Tributary will be improved by restoring a meandering stream channel
within a floodplain bench and buffer corridor using natural channel design techniques.
Post-construction monitoring and success criteria for the portions of this project planned for
mitigation credit will be consistent with the Umbrella Mitigation Bank guidelines.
Briar Creek Enhancement: Randolph Road to Providence Road
Site Specific Mitigation Plan
Table of Contents
Executive Summary .......................................................................................... i
1.0 Introduction ......................................................................................... .. 1
1.1 Project Description .................................................................................................... ....1
1.1.1 Project Location ................................................................................................. ... 1
1.1.2 Project Components .......................................................................................... ... 1
1.2 Project Goals and Objectives ................................................................................... ....2
2.0 Existing Conditions .............................................................................. .. 2
2.1 Watershed Characterization ..................................................................................... ....2
2.1.1 Drainage Area .................................................................................................... ... 2
2.1.2 River Basin Designations and Surface Water Classifications ......................... 3
2.1.3 Land Use ................................................................................................................ 3
2.2 Site Conditions ...............................................................................................................3
2.2.1 Existing Conditions Survey .................................................................................. 3
2.2.2 Channel and Valley Classifications ..................................................................... 7
2.2.3 Channel Morphology ............................................................................................ 8
2.2.4 Channel Evolution and Stability Assessment .................................................... 9
2.2.5 Discharge and Bankfull Verification ................................................................. 10
2.2.6 Biological Assessment ........................................................................................ 11
2.2.7 Geology and Soils ............................................................................................... 13
2.2.8 Potential Constraints .......................................................................................... 14
3.0 Proposed Design Approach ....................................... 15
...........................
3.1 Restoration Project Goals and Objectives ................................................................15
3.2 Design Rationale (Channel Dimension, Pattern and Profile) ................................15
3.2.1 Briar Creek Enhancement Design .................................................................... 15
3.2.2 Museum Drive Tributary Restoration Design ................................................. 15
3.3 Sediment Transport .................................................................................................... .18
3.4 HEC-RAS Analysis ....................................................................................................... .19
3.5 In-Stream Structures .................................................................................................. .19
3.6 Vegetation .................................................................................................................... .19
4.0 Project Accounting ............................................................................... 21
4.1 Project Phasing ........................................................................................................... .21
4.2 Accounting and Financial Assurances ...................................................................... .22
4.3 Property Ownership and Easements ........................................................................ .22
4.3.1 Property Ownership ................................................... 23
.........................................
4
3
2 Easements
.
.
........................................................................................................... 23
5.0 Mitigation Bank Credits ..................................... 24
...................................
5
1 Credit Ratios
.
................................................................................................................ .24
5.2 Credit Release Schedule ....................................................... 25
.....................................
6
0 Success Criteria .
.
....................................................................................
6.1 Stream Morphological Parameters and Channel Stability ..................................... 25
.25
6.1.1 Dimension ....................................................................................... 25
...........................
6
1
2 Profile and Pattern
.
.
................................................................................................... 26
6.1.3 Substrate .................................................................................................................... 26
6.2 Vegetation .....................................................................................................................26
6.3 Hydrology ......................................................................................................................27
6.4 Other Parameters ........................................................................................................27
7.0 Monitoring Plan .................................................................................... 27
8.0 Maintenance and Long-Term Management .......................................... 28
8.1 Maintenance .................................................................................................................28
8.2 Long Term Management Provisions .........................................................................29
9.0 References ............................................................................................... 30
List of Tables
Table 1 Project Components
Table 2 Project Goals
Table 3 Briar Creek Existing Geomorphic Conditions
Table 4 Museum Drive Tributary Existing Geomorphic Conditions
Table 5 Summary of Calculated Bankfull Discharges
Table 6 Museum Drive Tributary: Mecklenburg Habitat Assessment Scores
Table 7 Reference Reach Geomorphic Conditions
Table 8 Museum Drive Tributary Design Parameters
Table 9 Briar Creek Planting Zones
Table 10 Museum Drive Tributary Planting Zones
Table 11 Credit Release Schedule
Table 12 Monitoring Plan Schedule
List of Figures
Figure 1 Site Map
Figure 2 USGS Map
Figure 3 Vicinity Map
Figure 4 Simon Channel Evolution Model
Figure 5 NC Piedmont Regional Curves with Existing Project Condition Data Overlay
Figure 6 Soils Map
List of Appendices
Appendix A Existing Conditions Geomorphic Summary
Appendix B Representative Photographs
Appendix C Restoration Plan Sheets
Appendix D City of Charlotte MBI General Provisions
Appendix E Jurisdictional Stream & Wetland Determinations
1.0 Introduction
Charlotte - Mecklenburg Storm Water Services (CMSWS) plans to design and implement a
stream enhancement and water quality improvement project along Briar Creek from Randolph
Road to Providence Road. The project reach is approximately 6,720 linear feet (LF) in length
and includes channel, bank, and floodplain improvements. In addition, a stream restoration
design has been developed for 930 LF along the Museum Drive Tributary. The project is
illustrated in Figure 1. Approximately 1,750 LF of the Briar Creek enhancement and the 930 LF
of the Museum Drive Tributary restoration will be submitted for mitigation credit for the City of
Charlotte's Umbrella Mitigation Bank. Project details specific to the mitigation bank are
included in Section 5.
1,1 Project Description
1.1.1 Project Location
The Briar Creek enhancement project is located in Mecklenburg County, NC, southeast of
downtown Charlotte (Figure 2). Traveling east on I-277, proceed east onto P Street, and make
a left over to Randolph Road via South Colonial Avenue. Continue east on Randolph Road
another three quarters of a mile until reaching Briar Creek at the Mint Museum of Art. The Briar
Creek portion of the project extends south approximately 6,720 LF to Providence Road.
The Museum Drive Tributary is located southeast of the Mint Museum of Art between Museum
Drive and Briar Creek, as shown on Figure 1. This tributary flows southeast into Briar Creek.
1.1.2 Project Components
The Briar Creek Enhancement project has been broken into four reaches which are described in
more detail in Table 1.
Table 1. Project Components
Reach Name Reach Length
LF Management
Recommendation
Museum Drive Tributary 930 Restoration Priority 2
Briar Creek Reach 1 1,750 Enhancement Level 1/ 11
Briar Creek Reach 2 3,280 Enhancement Level 1/ II
Briar Creek Reach 3 1,690 Enhancement Level 1/ II
The Museum Drive Tributary will be restored using a Rosgen Priority Level 2 approach. A
Priority Level 2 approach involves the excavation of a floodplain at a lower elevation than the
historic floodplain and restoration of dimension, pattern and profile of the channel within the
newly constructed floodplain. The enhancement work being done on Briar Creek includes bank
grading, floodplain bench excavation, installation of in-stream structures, native buffer
establishment, and invasive species management. The enhancement work will allow Briar Creek
access to a floodplain during bankfull events.
Briar Creek Enhancement: Randolph Road to Providence Road
Site Specific Mitigation Plan
1,2 Project Goals and Objectives
The proposed project will provide numerous ecological benefits within the Catawba River Basin.
While many of these benefits are limited to the Briar Creek project area, others, such as pollutant
removal and improved aquatic and terrestrial habitat have more far-reaching effects. Expected
improvements to water quality and ecological processes are outlined below in Table 2 as project
goals.
Table 2. Project Goals
Project oaI How project will seek to reach goal
Removal of harmful Runoff will be filtered through buffer zones. Flood flows will be
nutrients from creek filtered through restored floodplain areas, where flood flow will
flow spread through native vegetation. Vegetation uptakes excess
nutrients.
Stream bank erosion which contributes sediment load to the creek
will be reduced. Eroding streambanks will be stabilized by increased
Reduce pollution of woody root mass in banks and reducing channel incision.
creek by excess Urban storm flow containing grit and fine sediment will be filtered
sediment through restored floodplain areas, where flow will spread through
native vegetation. The spreading flood flows will reduce velocity,
allowing sediment to settle out.
Increase dissolved In-stream structures and steeper riffle profile sections will promote
oxygen
concentrations aeration of water.
Improve stream bank Eroding streambanks will be stabilized using bioengineering, natural
stability channel design techniques, and grading to reduce bank angles and
bank hei ht.
In-stream structures will be constructed to improve habitat diversity
Improve in-stream and trap detritus. Wood structures will be incorporated into the
habitat stream as part of the restoration design. Such structures may
include to drops and rock structures that incorporate wood debris.
Restoration of Adjacent buffer and riparian habitats will be restored with native
terrestrial habitat vegetation as part of the project. Native vegetation will provide cover
and food for terrestrial creatures.
Native plant species will be planted, invasive species will be treated,
Improve aesthetics and eroding and unstable areas will be stabilized as part of this
project.
2.0 Existing Conditions
2,1 Watershed Characterization
2.1.1 Drainage Area
The Briar Creek watershed is located in a highly developed urban setting; approximately 81 % of
the land in the 17.9 square mile watershed has been developed (Figure 3). Approximately 32%
of the land surface is impervious. The land uses within the watershed include: residential (72%),
industrial (2%), commercial (11%), institutional (3%), and woods (12%).
Briar Creek Enhancement: Randolph Road to Providence Road 2
Site Specific Mitigation Plan
The Museum Drive Tributary is located southeast of the Mint Museum of Art and drains to Briar
Creek. The headwaters of the tributary drain the area south of Randolph Road and east of
Providence Road (Figure 3). The 130-acre (0.20-square mile) watershed is also highly
developed. Approximately 88% of the land in the watershed has been developed and
approximately 25% of the land surface is impervious. The land uses within the watershed
include: residential (90%), commercial (5%), and woods (5%).
2.1.2 River Basin Designations and Surface Water Classifications
Briar Creek (NCDWQ Stream Index Number 11-137-8-2) and the Museum Drive Tributary are
located within the Catawba River Basin 03050103 and NCDWQ Subbasin 03-08-34. The
reaches are classified as "C" waters, which are protected for uses such as secondary recreation,
fishing, wildlife, fish consumption, aquatic life including propagation, survival and maintenance
of biological integrity, and agriculture. Secondary recreation includes wading, boating, and other
uses involving human body contact with water where such activities take place in an infrequent,
unorganized, or incidental manner. Briar Creek flows to Little Sugar Creek which is included on
the state 303(d) list of impaired streams for biological integrity and high fecal coliform
concentrations.
2.1.3 Land Use
The project is located in an urbanized, fully developed area of the City of Charlotte. Land uses
adjacent to the project limits to the east of Reach 1 of Briar Creek are a combination of
commercial and residential development. The property immediately to the west of Reach 1
includes a neighborhood park and the Mint Museum of Art which is largely grassed with some
impervious parking areas. The Museum Drive Tributary flows through Eastover Park adjacent to
the Mint Museum. The area to the west of Reaches 2 and 3 of Briar Creek is residential, while
on the east is a forested buffer approximately 600 feet in width. A greenway trail is being
planned by Mecklenburg County Park and Recreation in the undeveloped land.
2,2 Site Conditions
2.2.1 Existing Conditions Survey
Briar Creek has been historically straightened, dredged, and maintained. These activities were
typically performed in order to accommodate further development and to control flooding. The
stream banks along the majority of the project corridor have been lined with riprap in the recent
past in order to control erosion. Vegetation communities throughout portions of the project area
have been managed by cutting and spraying in areas of utility line rights-of-way and are heavily
maintained adjacent to residential homes, parks, and businesses.
The project corridor along Briar Creek is comprised of three reaches as shown in Figure 1,
including:
• Reach 1 - Randolph Road to Eastover Park property line (approximately 1,750 LF of
open channel);
• Reach 2 - Eastover Park property line to unnamed tributary downstream of
Meadowbrook Road (approximately 3,280 LF of open channel); and
Briar Creek Enhancement: Randolph Road to Providence Road
Site Specific Mitigation Plan
• Reach 3 - Unnamed tributary downstream of Meadowbrook Road to Providence Road
bridge (approximately 1,690 LF of open channel).
The existing geomorphic conditions survey of Briar Creek includes three approximately 500-
linear foot longitudinal profiles representative of each reach, in addition to 13 cross section
surveys of representative riffles, pools, and run features. Areas of cross sectional surveys were
chosen based on overall representative geomorphic features and available bankfull indicators,
including breaks in bank slope and flat depositional features in order to determine a Rosgen
channel classification for each reach. A summary of the existing geomorphic conditions for
Briar Creek is shown in Table 3.
Table 3. Briar Creek Existing Geomorphic Conditions
Notation Units Reach 1 Reach 2 Reach 3
min max av min max av min max' av
stream type G4c G4c F5
drainage area DA sq mi 14.6 16.1 15.4 16.1 16.8 16.5 16.8 17.8 17.3
bankfull discharge Qbkf cfs 650 1'00 650 1,000 650 1,000
Cross-Section
Features
bankfull cross-
sectional area Abe SF 199.0 200'
8 199.9 189.6 207.2 198.4 202.1 211.0 206.6
average velocity
during bankfull
event
vbkf
fps
4.0
4.1
4.05
3.9
4.0
3.95
4.0
5.7
4.85
width at bankfull Wbkf feet 42.1 45.6 43.9 39.2 43.6 41.4 50.2 58.0 54.1
maximum depth at
bankfull d
" e feet 5.43 6.10 5.77 6.23 6.94 6.59 5.21 5.62 5.42
mean depth at
bankfull dbkf feet 4.40 4.73 4.57 4.76 4.84 4.80 3.48 4.13 3.81
bankfull width to
depth ratio Wbkf/dbkf 8.9 10.4 9.6 8.1 9.2 8.6 12.4 16.7 14.5
depth ratio d-/dbkf 1.2 1.3 1.3 1.3 1.4 1.4 1.4 1.5 1.5
bank height ratio BHR 2.2 2.8 2.4 1.9 2.1 2.0 1.5 1.8 1.7
floodprone area
width
carpe feet 55 63 59 71 86 78 83 107 95
entrenchment ratio ER 1.3 1.4 1.3 1.8 2.0 1.9 1.6 2.0 1.8
Sinuosity
valley slope S„a„QY feet/ foot 0.0018 0.0012 0.0015
channel slope Scha-el feet/ foot 0.0012 0.0011 0.0015
sinuosity K 1.03 1.01 1.00
Riffle Features
riffle slope Srft feet/ foot 0.003 0.014 0.007 0.002 0.031 0.016 0.002 0.021 0.010
riffle slope ratio SHU/SchsrtneI 2.6 11.6 5.8 1.5 29.8 15.7 1.2 13.9 6.7
Pool Features
pool slope S,?, feet/ foot 0.000 0.001 0.001 0.000 0.001 0.001 0.000 0.002 0.001
pool slope ratio Sp.I/Scl-l 0.0 1.1 0.4 0.0 0.7 0.6 0.0 1.5 0.5
pool-to-pool
spacing Lp-P feet 99 193 131 66 184 115 84 188 136
Briar Creek Enhancement: Randolph Road to Providence Road 4
Site Specific Mitigation Plan
Notation Units Reach 1 R each 2 Reach 3
pool spacing ratio Lp dWbkf 2.3 4.4 3.0 1.6 4.5 2.8 1.5 3.5 2.5
maximum pool
depth at bankfull dp-, feet 6.64 8.16 7.25 4.83 7.72 6.76 5.67 6.58 6.28
pool depth ratio dp..?dbkf 1.5 1.8 1.6 1.0 1.6 1.4 1.5 1.7 1.7
pool width at
bankfull wPW, feet 42.4 42.4 42.4 34.6 34.6 34.6 NA' NA' NA'
pool width ratio Wp-?Wbkf 1.0 1.0 1.0 0.8 0.8 0.8 NA' NA' NA'
pool cross-
sectional area at
bankfull
Ap-,
SF
232.5
232.5
232.5
202.2
202.2
202.2
NA'
NA'
NA'
pool area ratio Aba/Ap.0, 0.9 0.9 0.9 1.0 1.0 1.0 NA' NA' NA'
Pattern Features
belt width Wb,t feet 0 42 HS2 0 38 HS2 0 66 HS2
meander width
ratio Wb,t/Wbkf 0.0 1.0 HS2 0.0 0.9 HS2 0.0 1.2 HS2
meander length Lm feet 167 185 HS2 298 391 HS2 420 420 HS2
meander length
ratio Lm/Wbkf 3.8 4.2 HS2 7.2 9.4 HS2 7.8 7.8 HS2
radius of curvature Rc feet 330 510 HS2 517 1029 HS2 601 601 HS2
radius of curvature
ratio Rj Wbkf 7.5 11.6 HS2 12.5 24.9 HS2 11.1 11.1 HS2
Sediment
Particle Size Distribution from Reach-Wide Pebble
Count
d50 material for Rosgen classification Coarse Gravel Coarse Gravel Very Coarse Sand
d15 mm 0.38 0.21 0.36
d35 mm 0.87 2.4 0.77
d55 mm 24.2 22.2 1.8
d84 mm 141 139 35
d95 mm 362 180 157
Particle Size Distribution from Riffle Pebble Count X4 X9 X12
d15 mm 12.5 16.0 8.0
d3s mm 32.1 36.3 23.1
d5o mm 54.5 61.6 31.0
d94 mm 121 163 144
d95 mm 212 327 218
Particle Size Distribution from Riffle Subpavement
Analysis
d15 mm 0.9 2.3 0.66
d3s mm 4.8 19.1 3.0
d5o mm 14.6 50.6 9.3
d9, mm 76.2 NA' 42
d95 mm NA' NA' 52
Notes
1. NA: Data not available from survey.
2. HS: Channel has been historically straightened, moved, and/or maintained to prevent pattern formation.
Briar Creek Enhancement: Randolph Road to Providence Road
Site Specific Mitigation Plan
The Museum Drive Tributary has been
straightened and piped in order to
promote downstream drainage of storm
water flows from Museum Drive to
Briar Creek and to reduce localized
flooding of the Eastover neighborhood.
The open channel bed (approximately
700 LF) has been lined with concrete
and 225 LF of the channel is piped to
discharge to Briar Creek. Vegetation
has been heavily maintained along this
reach and includes several mature trees
and maintained lawn immediately
adjacent to the concrete-lined channel
bed.
The existing geomorphic conditions survey of Museum Drive Tributary includes a longitudinal
profile and four cross section surveys of representative riffle and pool features. The historically
modified channel proved difficult in selecting representative features as a result of the extremely
uniform channel profile. A summary of the existing geomorphic conditions for Museum Drive
Tributary is shown in Table 4.
Table 4. Museum Drive Tributary Existing Geomor hic Conditions
Notation Units Existing Conditions
min max avg
stream type Gc
drainage area DA sq mi 0.16 0.20 0.18
bankfull discharge Qbkf cfs 37 39 38
Cross-Section Features
bankfull cross-sectional area Abkf SF 7.2 7.3 7.3
average velocity during bankfull event vbkf fps 5.1 5.4 5.3
width at bankfull Wbkf feet 8.3 9.0 8.6
maximum depth at bankfull dmax feet 1.3 1.4 1.3
mean depth at bankfull dbkf feet 0.8 0.9 0.8
bankfull width to depth ratio Wbkf/dbkf 9.5 11.1 10.3
depth ratio dmax/dbkf 1.6 1.6 1.6
bank height ratio BHR 3.5 4.1 3.8
floodprone area width Wfpa feet 14 16 15
Entrenchment ratio ER 1.7 1.7 1.7
Sinuosity
valley slope Svalley feet/ foot 0.0033
channel slope Schannel feet/ foot 0.0033
Briar Creek Enhancement: Randolph Road to Providence Road 6
Site Specific Mitigation Plan
Notation Units Existing Conditions
sinuosity K 1.00
Riffle Features
riffle slope Srifne feet/ foot 0.003 0.008 0.006
riffle slope ratio Sniffle/Scnannel 1.0 2.5 1.8
Pool Features
pool slope Spool feet/ foot 0.001 0.002 0.001
pool slope ratio Spool/Scnannel 0.2 0.6 0.4
pool-to-pool spacing Lp_p feet 38 128 83
pool spacing ratio Lp_p/wbkf 4.4 14.8 9.6
maximum pool depth at bankfull dpool feet 1.33 1.33 1.33
pool depth ratio dpool/dbkf 1.6 1.6 1.6
pool width at bankfull Nod feet 8.1 8.1 8.1
pool width ratio wpool/Wbkf 0.9 0.9 0.9
pool cross-sectional area at bankfull Apool SF 6.9 7.1 7.0
pool area ratio Abkf/Apool 1.0 1.0 1.0
Pattern Features
belt width Wblt feet HS HS HS
meander width ratio Wblt/Wbkf HS HS HS
meander length Lm feet HS HS HS
meander length ratio Lm/Wbkf HS HS HS
radius of curvature Rc feet HS HS HS
radius of curvature ratio RJ Wbkf HS HS HS
Notes
HS: Channel has been historically straightened, moved, and/or maintained to prevent pattern
formation.
2.2.2 Channel and Valley Classifications
The Briar Creek and Museum Drive Tributary project corridors are urban reaches bound by
broad valleys and gentle elevation relief. This surrounding fluvial and morphological landform
is classified as Valley Type VIII (Rosgen, 1996). Alluvial terraces and broad floodplains are
typically the predominant depositional features for this valley type; however, due to extensive
urban development these features are much less defined in the Briar Creek watershed. Slightly
entrenched and meandering Rosgen C or E channels are the typical stream types found in Type
VIII valleys, in addition to D, F, and G stream types (Rosgen, 1996). Historical straightening,
dredging, and channel modifications of Briar Creek and Museum Drive Tributary have resulted
in alteration of the channel type.
Urban stream reaches that have been historically maintained and armored are difficult to classify
accurately in the Rosgen channel classification system. Reach 1 of Briar Creek currently
classifies most nearly as a straightened Rosgen G4c channel type. The channel substrate is
dominated by coarse gravel with some of the deeper pools exhibiting finer sandy sediment,
characteristic of an urban watershed. Riprap from past bank stabilization efforts can be found in
Briar Creek Enhancement: Randolph Road to Providence Road 7
Site Specific Mitigation Plan
small portions of the channel bed at the upstream end of the reach. These previous stabilization
activities and channel modifications have prevented the channel from freely adjusting to its
watershed hydrology. Reach 1 is slightly more incised than the remainder of the downstream
project corridor with bank height ratios of 2.2 to 2.8.
Reach 2 currently classifies most nearly as a straightened Rosgen G4c channel. This portion of
the project is also dominated by coarse gravel with pockets of finer sandy sediment throughout.
The historical straightening and dredging of Briar Creek has resulted in increased bank height
ratios in the 1.9 to 2.1 range.
Reach 3 of Briar Creek classifies as a Rosgen F5 channel and is dominated by a coarse sand
substrate. The dominance of sandy substrate in this portion of the project correlates with higher
width/depth ratios, resulting in an over-wide channel unable to carry its bed load. Historic
straightening and dredging continue to prevent this downstream reach from freely adjusting to
channel-forming flow. Deposition occurs both in alternating bars and in mid-channel bars.
Adjacent sewer lines and riprap bank armoring have prevented further widening of the channel.
Museum Drive Tributary classifies most nearly as a straightened Rosgen Gc channel. No
substrate exists within the channel bed as a result of a concrete bed lining. Pockets of medium to
coarse sand were observed at the time of the geomorphic survey. This channel flows through the
broad floodplain of Briar Creek and has been channelized as a storm drainage feature.
2.2.3 Channel Morphology
Overall, Reach 1 of Briar Creek exhibits incised conditions with separation from its floodplain
and bank height ratios ranging from 2.2 to 2.8. The upper portion of this reach is defined by
large, deeply scoured pools and a short riffle structure immediately downstream of the Randolph
Road Bridge. This long section of expansive pools eventually transitions to a section of bedrock
outcrop that provides several well-defined shallow, step riffle structures. Reach 1 remains
incised and disconnected from its floodplain and exhibits few riffle-pools sequences between the
bedrock outcrop and the Eastover Park property boundary. The banks throughout this reach are
steep and are embedded with riprap. Deposition has occurred over a majority of this rip rap and
has allowed for establishment of vegetation including native hardwoods and invasive vine and
shrub species.
Reach 2 continues as an incised channel with slightly lower bank height ratios (ranging from 1.9
to 2.1) than Reach 1. Overall, this reach is defined by very long sandy runs and very few well-
formed pools and riffles. An increase in sediment deposition was observed in this reach,
indicating portions of the channel are over-wide. Stream banks are heavily riprapped with some
fine-grain sandy deposition occurring at bankfull elevation. An increase in the amount of
invasive shrub and vine vegetation was observed throughout the majority of this reach.
Reach 3 of Briar Creek exhibits a large amount of sediment deposition in the form of alternating
sandy benches and mid channel bars. Very few defined riffle-pool sequences are present and a
large percentage of the channel bed is dominated by long sandy runs, indicating an over-wide
channel unable to carry its sediment load. Low flow meanders are beginning to form in portions
of this reach. Briar Creek remains incised and disconnected from its floodplain and exhibits
Briar Creek Enhancement: Randolph Road to Providence Road 8
Site Specific Mitigation Plan
bank height ratios ranging from 1.5 to 1.8. Vegetation along this portion of the channel is
dominated by invasive vine vegetation, providing little additional bank stability atop the riprap
from past bank stabilization.
The Museum Drive Tributary is a straight, concrete-lined constructed channel with no floodplain
access. Riffle and pool features are barely defined; the channel is uniformly sloped with only
slight bedform variation. Vegetation is limited to mowed lawn to the edge of the concrete lining.
2.2.4 Channel Evolution and Stability Assessment
Within the Briar Creek project corridor, a transition in the type of channel evolution is exhibited
from the upstream end at Randolph Road downstream to Providence Road. Channel evolution
models describe the erosional processes that may be occurring and as a result, the overall
stability of a channel at a particular location (Simon, 1986). The overall trend for Briar Creek
shows a transition from a Class IIIAV evolution stage at the upstream end to a Class IV
throughout the central portion of the project and eventually to a Class V toward the downstream
end as shown in Figure 4.
The banks along Reach 1 of Briar Creek exhibit a large amount of riprap from past stabilization
work. As a result, the upstream portion of this Reach (approximately 800 LF) is experiencing
vertical degradation, as evident by the presence of deeply scoured pools and lack of riffle
structures; these are indicators of a Class III channel evolution type. Few small pockets of bank
erosion exist in this area as a result of riprap failure, but very little channel widening is
occurring. Approximately 800 linear feet downstream of Randolph Road, Reach 1 begins to
transition to a Class IV evolution stage. This transition can be attributed to the presence of an
approximate 300-linear foot section of bed rock. This grade control is preventing localized
degradation of the channel bed and allowing for increased widening and bank erosion. The
occurrence of slumped material and steep sandy benches becomes much more prevalent
throughout the remaining portion of Reach 1 along with a few shallow riffles. Reach 1 is
indicative of an entrenched, incised channel with entrenchment ratios ranging from 1.3-1.4, bank
height ratios ranging from 2.2 to 2.8, and width/depth ratios of 8.9 to 10.4.
The majority of Reach 2 exhibits Class IV evolution stage characteristics similar to the lower
portion of Reach 1. The banks along this reach are heavily riprapped, yet channel widening is
more prevalent along the left bank. A large portion of this reach has steep sandy benches and
pockets of bank erosion due to fewer woody species and a larger number of invasive vine and
shrub species. Long sandy runs dominate the channel bed with very few defined riffle-pool
sequences. An increasing number of areas throughout this reach show signs of Class V
evolution; over-wide areas result in the channels inability to carry its bed load and the formation
of alternating sandy bars and mid-channel bars. Reach 2 also shows indications of low flow
meanders forming in several areas within the channel bed. This reach exhibits decreased
incision from Reach 1 with bank height ratios of 1.9 to 2.1; width/depth ratios remain relatively
low at 8.1 to 9.2 in the few stable riffles that were surveyed. The reach is dominated by long
runs with a higher width/depth ratio.
Reach 3 exhibits characteristics of a Class V evolution stage with the continuation of long sandy
runs with a dominance of alternating sandy bars and large mid-channel bars. Width/depth ratios
Briar Creek Enhancement: Randolph Road to Providence Road 9
Site Specific Mitigation Plan
for this reach are higher than upstream portions of Briar Creek at 12.4 to 16.7, which is
characteristic of an over-wide channel unable to effectively carry its sediment load. Alternating
sandy bars are still developing; some grass has established but no woody vegetation has taken
root. These bars are still in flux. Very little bank erosion is prevalent in Reach 3 as a result of
riprap armoring being dominant throughout the project area. Low flow meanders shaped by
alternating bar deposition are more prevalent in this downstream reach. Reach 3 exhibits bank
height ratios of 1.5 to 1.8 and moderate entrenchment ratios of 1.6 to 2.0 with higher width/
depth ratios in the 12.4 to 16.7 than the remainder of the project reaches.
The Museum Drive Tributary exhibits a Class II evolution model. The channel bed of this entire
reach is lined with concrete, preventing any vertical degradation. Additionally, the channel
banks show little to no signs of widening, with minimal scour lines present at bankfull elevation
and no sediment deposition. The Museum Drive Tributary is an incised, constructed channel
with bank height ratios of 3.4 to 4.2. This reach exhibited entrenchment with a ratio of 1.7 and
relatively low width/depth ratios of 9.5 to 11.1.
2.2.5 Discharge and Bankfull Verification
Bankfull stage indicators identified throughout the project corridors of Briar Creek and Museum
Drive Tributary include a break in slope on flat depositional features, scour lines on steep banks,
and minor sediment deposition on vegetation indicative of high water levels. These indicators
are consistent with other NC urban piedmont streams. Bankfull data for the project reach were
compared with the NC piedmont regional curve. Utilizing Manning's equation, approximate
bankfull discharges were calculated using the riffle cross-sectional areas, drainage areas, and
overall channel slope of each reach. The surveyed cross-sectional areas and approximate
bankfull discharges are shown overlaid with the NC regional curve in the attached Figure 5.
Analysis of the bankfull cross-sectional areas for Briar Creek reveal consistent plotting of the
data just above the NC piedmont rural regional curve data, indicating that bankfull stage was
adequately selected throughout the project corridor. Two exceptions to this include cross-section
6 in Reach 2 and cross-section 12 in Reach 3. These bankfull areas plot slightly lower along the
rural regional curve line due to these channel locations being narrower with potentially more
stable bank conditions. Calculation of discharges based on these bankfull cross-sections reveal
similarly consistent results, with data plotting just above the piedmont rural regional curve.
Predicted 2-year event discharges were calculated for each reach utilizing the United States
Geological Survey (USGS) regression equations for calculating peak discharge. This method
was used to compare the estimated bankfull discharge to an extrapolated recurrence interval
relationship. Bankfull discharge is typically expected to occur at a recurrence interval between 1
year and 2 years, and typically less than 1.5 years. A discharge corresponding to a recurrence
interval significantly outside this range could indicate a poor discharge value selection. Table 5
shows the 1.2-year and 1.5-year event discharges as extrapolated from the 2-year, 5-year, and 10-
year USGS regression equations for urban streams. These discharge estimates appear high,
likely because the regression equations were developed with discharge data through the 100-year
event.
Mecklenburg County's HEC-RAS hydraulic model developed for floodplain mapping was also
utilized for hydrologic flow data. The model includes a 2-year discharge for the Briar Creek
Briar Creek Enhancement: Randolph Road to Providence Road 10
Site Specific Mitigation Plan
watershed of 1,542 cubic feet per second (cfs) and a 10-year discharge of 3,772 cfs. An
extrapolation from these values provides an estimate of the 1.2-year and 1.5-year discharge
values. In addition, the surveyed bankfull feature elevations were input into the RAS model at
their corresponding longitudinal stations. A range of flows were run through the model to see
which flows produced a water surface elevation near to these bankfull features. The results of
this modeling indicate that a discharge between 600 and 1,000 cfs corresponds to the bankfull
elevations observed in the field.
Table 5. Summary of Calculated Bankfull Discharges
Briar Creek Briar Creek Briar Creek `Museum Dr.
Reach 1 Reach 2 Reach 3. TributarV.
Cross Section Riffle Riffle Riffle Riffle Riffle Riffle Riffle Riffle Riffle
X3:- X4 X6 X9 X10 X11 X12 X1 X3
Bankfull Area SF 199 200.8 189.6 207.2 203.1 202.1 203.1 7.3 7.2
Manning's Equation

Discharge cfs 818 806 760 814 905 806 897 37 39
NC Rural Curve

Prediction cfs 642 675 698 27.8
NC Urban Curve

Prediction cfs 1687 1761 1814 111.6
Predicted USGS
1.2-year Discharge 2,191 2,314 2,402 30.8
cfs
Predicted USGS
1.5-year Discharge 2,420 2,552 2,646 51.2
cfs
Predicted RAS
1.2-year Discharge 834 834 834 N/A
cfs
Predicted RAS
1.5-year Discharge 1143 1143 1143 N/A
cfs
HEC-RAS Modeled

Discharge cfs 600 - 1,000 600-1,000 600 - 1,000 N/A
Based on this range of analysis, a design discharge of 1,000 cfs was selected for Briar Creek and
38 cfs for the Museum Drive Tributary.
2.2.6 Biological Assessment
The project reach is located within an urbanized watershed. Small pockets of mature trees,
maintained lawns, shrub/scrub vegetation, and invasive species are often typical of urban stream
riparian buffers. The majority of the riparian areas located within the project corridor consist of
upland vegetation communities. These community types transition upstream to downstream;
from a number of mature hardwood species throughout the upper portion of the project corridor
to areas largely affected by invasive and exotic species further downstream.
Reach 1 of Briar Creek, extending downstream from Providence Road to the property boundary
of Eastover Park, exhibits a moderate number of mature hardwood and canopy species that
provide shade to the stream bed. These riparian areas are somewhat narrow as the result of urban
development and maintained lawns in Eastover Park. Typical canopy species along this reach
Briar Creek Enhancement: Randolph Road to Providence Road 11
Site Specific Mitigation Plan
include eastern cottonwood (Populus deltoides), tulip tree (Liriodendron tulipifera), willow oak
(Quercus phellos), box elder (Acer negundo), American sycamore (Platanus occidentalis), sweet
gum (Liquidambar styraciflua), green ash (Fraxinus pennsylvanica), winged elm (Ulmus alata),
and black cherry (Prunus serotina). Understory vegetation along this reach, found directly on
the stream banks and between the pockets of mature trees, includes privet (Ligustrum sinense),
Russian olive (Elaeagnus angustifolia), river birch (Betula nigra), glossy privet (Ligustrum
lucidum), mimosa (Albizia julibrissin), poison ivy (Toxicodendron radicans), red mulberry
(Morus rubra), and elderberry (Sambucus canadensis).
In-stream habitats throughout Reach 1 consist of large deep pools with moderate canopy shade
for fish populations, overhanging shrubs and few shallow pools with moderate cobble substrate
for benthic macroinvertebrate populations. Approximately 200 linear feet of Reach 1 exhibits
bed rock outcrops in the channel bed, providing little to no in-stream habitat other than for a
small amount of periphyton.
Reach 2 of Briar Creek extends downstream from Eastover Park to Meadowbrook Road. A large
portion of this reach along the left bank has been cleared as a result of recent sanitary sewer line
construction. The right bank of this reach exhibits slightly fewer mature hardwood species and a
larger number of exotic and invasive species than Reach 1, offering fewer areas of shade to the
stream bed. Residential back yards including maintained lawns, fence rows, and gardens are
typical of these right bank vegetation communities. Typical canopy species along this reach
include American sycamore, green ash, willow oak, red maple (Acer rubrum), and longleaf pine
(Pinus palustris). A larger number of invasive shrub species can be found throughout this reach
including privet and Russian olive, as well as a larger number of vine and herbaceous species
including Japanese knotweed (Reynoutria japonica), kudzu (Pueraria montana), Johnson grass
(Sorghum halepense), porcelain berry (Ampelopsis brevipedunculata), air potato (Dioscorea
bulbifera), Japanese hops (Humulus japonicus), Nepal grass (Microstegium vimineum), smart
weed (Polygonum pensylvanicum), and various grasses (Festuca spp.).
In-stream habitat for Reach 2 consisted of fewer deep shaded pools for fish populations, small
pockets of undercut banks, overhanging shrubs, and few shallow riffles for benthic
macroinvertebrates. A large portion of this reach is characterized by long sandy runs with no
shade, offering little to no habitat for in-stream aquatic species.
Reach 3 extends from Meadowbrook Road downstream to the bridge at Providence Road. The
riparian corridor along this reach is completely dominated by invasive vine species such as
Japanese hops, air potato, and kudzu. Few solitary trees exist along this reach and provide little
to no in-stream shade including black cherry, and black willow (Salix nigra). Lack of suitable
riparian species is the result of existing adjacent sanitary sewer lines. Vegetation in these areas
has been impacted in the past as a result of sewer line access and more recently due to new
sanitary sewer line construction along the right bank of Briar Creek.
Reach 3 exhibited little in-stream habitat which included a few undercut banks covered by
overhanging vine and shrub vegetation, long runs dominated by sandy substrate, and very few
short riffles for benthic macroinvertebrate populations.
Briar Creek Enhancement: Randolph Road to Providence Road 12
Site Specific Mitigation Plan
The Museum Drive Tributary is located in Eastover Park and extends from Museum Drive to an
approximate 230-linear foot pipe system before entering Briar Creek. Eastover Park is a
maintained lawn area with large mature trees spaced throughout. Fescue is the dominant
vegetation along the lower stream banks and top of bank zones of the stream channel. Nearby
mature tree species, including sweet gum, red oak, red maple, and willow oak, offer moderate
canopy shade for a portion of the channel bed.
A habitat assessment was performed on the Museum Drive Tributary utilizing the Mecklenburg
Habitat Assessment Protocol (MHAP). MHAP is a semi-quantitative process of documenting
existing biological quality, water quality, and overall stream habitat conditions. As part of the
process, the conditions of a variety of habitat parameters are recorded (Table 6) and the reach is
given a score out of 200 total points. Notable parameters of the Museum Drive Tributary that
were documented during this process include a lack of epifaunal substrate for the establishment
of benthic macroinvertebrate populations, a low channel alteration score due to the channel bed
lined with concrete, a lack of existing riffle structures, and a poorly-vegetated buffer zone. Due
to the concrete lining, no interstitial voids were present in the bed for macroinvertebrate habitat,
resulting in a low score for embeddedness. Higher scores on the MHAP were achieved by this
channel among the parameters of sediment deposition and bank stability. Little to no sediment
or substrate is exhibited by this channel as a result of the concrete-lined bed allowing for any
accumulation to be flushed downstream during high flow events.
Table 6. Museum Drive Tributary: Mecklenburq Habitat Assessment Scores
Habitat Parameter Score
1. In-Stream Cover - only 1 habitat type rarely present, includes shallow pools 1
2. Epifaunal Substrate - riffles and runs nonexistent, concrete channel bed 0
3. Embeddedness - no substrate present, no available aquatic living space 0
4. Channel Alteration -100% of channel bed has been lined with concrete 0
5. Sediment Deposition - less than 20% of channel bed affected by sand or silt accumulation 18
6. Frequency of Riffles - channel essentially straight with uniform depth, no defined shallow
riffle structures 0
7. Channel Flow Status - approximately 55-65% of available channel is full 9
8. Bank Vegetative Protection LB - 40% vegetation cover w/ many bare spots 2
RB - 70% vegetation cover, typically grasses 5
9. Bank Stability LB - 30-40% of bank has erosional areas 6
RB - 10-20% of bank has erosional areas 8
10. Vegetated Buffer Zone Width LB - no forested buffer, planted lawn grass 2
RB - no forested buffer, planted lawn grass 2
Total Score: 53
2.2.7 Geology and Soils
The City of Charlotte lies in the Charlotte Belt, which is a geologic zone comprised of
predominantly metavolcanic and plutonic rock types. The geology of the project area is
Devonian and Ordovician age granodiorite rock. The granodiorite is medium-grained, massive
to weakly foliated, and is comprised mainly of plagioclase and quartz (Goldsmith, 1984).
Briar Creek Enhancement: Randolph Road to Providence Road 13
Site Specific Mitigation Plan
The floodplain areas of the proposed project are mapped by the Mecklenburg County Soil
Survey. As shown in Figure 6, the soils found within the project site include Monacan soils with
hydric soil inclusions and Cecil sandy clay loam soils. Monacan soils are deep, moderately well
and somewhat poorly drained soils that formed in recent alluvial sediments of the Piedmont.
Cecil soils are typically very deep and well-drained upland soils that formed in residuum from
felsic rock. The surface layer of the soil is loamy and the subsoil is clayey. Cohesive clay soils
are important for stream enhancement grading; these cohesive soils will hold excavated grades
better than sandy soils.
2.2.8 Potential Constraints
A variety of technical, non-technical, and legal constraints exist for the Briar Creek and Museum
Drive Tributary enhancement project. These constraints involve property ownership concerns,
existing utilities, floodplain issues, regulatory permitting, and vegetation management.
The Briar Creek and Museum Drive Tributary project corridors extend across a number
of public and privately-owned property parcels. Since a portion of the Briar Creek
enhancement and Museum Drive Tributary restoration will be submitted for mitigation
credit, conservation easements will be obtained. Additionally, permanent maintenance
easements will be obtained prior to construction activities for Briar Creek Reaches 2 and
3.
• Existing utilities located adjacent to Briar Creek impose constraints on the amount of
enhancement work that may be proposed within the project corridor. Two existing 27-
inch sanitary sewer lines currently run adjacent to Briar Creek along both right and left
banks from Randolph Road to Providence Road. The sewer lines are approximately 25-
50 feet from the edge of channel. Additionally, a newly constructed 60-inch sanitary
sewer line, utilizing two crossings of Briar Creek, extends from Randolph Road to
Providence Road along the right and left banks. Overhead electric lines are also located
throughout the Briar Creek project corridor and utilize six overhead crossings from
Randolph Road to Providence Road. The adjacent utility poles pose additional
constraints to proposed stream enhancement activities.
• A large number of mature trees exist throughout the Briar Creek and Museum Drive
Tributary project corridors. The mature trees impose constraints on project grading, in
particular on the design of the Museum Drive Tributary alignment.
• Large portions of Reaches 2 and 3 of Briar Creek have riparian buffers that are
dominated by invasive shrub and vine species. An invasive plant management plan will
need to be utilized in order to establish the proposed native vegetation buffer and provide
bank stability.
• In addition to the enhancement of Briar Creek, a proposed greenway trail is proposed
adjacent to Briar Creek by Mecklenburg County Parks and Recreation. The proposed
trail extends from Randolph Road to Providence Road and crosses Briar Creek and the
proposed Museum Drive Tributary alignment near the Eastover Park property boundary.
This trail creates further constraints to the availability of space for proposed enhancement
activities.
The proposed Briar Creek enhancement and Museum Drive Tributary restoration will
require grading within the regulated Briar Creek floodway. As a result, documentation is
required and must show that no rise in 100-year water surface elevations will occur as a
Briar Creek Enhancement: Randolph Road to Providence Road 14
Site Specific Mitigation Plan
result of the proposed enhancement and restoration activities. The channel bed cannot be
raised significantly without causing a rise in the 100-year flood elevation.
3.0 Proposed Design Approach
This section addresses the project goals and design approach for the project reaches.
Enhancement opportunities are limited by urban constraints on Briar Creek. Restoration design
parameters for the Museum Drive Tributary were developed using a reference reach database of
NC piedmont streams. Sediment transport characteristics were used to estimate whether the
proposed design will be stable, or have a tendency to aggrade or degrade. Site plans are included
in Appendix C.
3.1 Restoration Project Goals and Objectives
The project goals of nutrient and sediment removal, streambank stabilization, and improved
habitat as outlined in Section 1.2, Table 2 will be achieved by excavating a floodplain bench,
grading stream banks, providing a riparian buffer, and establishing channel habitat with riffles,
pools and in-stream structures.
3,2 Design Rationale (Channel Dimension, Pattern and Profile)
The enhancement level I/II work was selected for Briar Creek due to urban constraints. Fewer
constraints allow for restoration of the Museum Drive Tributary. Reference reach data were
used to generate design criteria for the tributary restoration. A Rosgen Priority 2 approach was
selected due to the length of channel, existing low-gradient condition, and the existing channel
elevation.
3.2.1 Briar Creek Enhancement Design
Enhancement opportunities on Briar Creek are limited by urban constraints. The design bankfull
discharge was used to develop a bankfull cross-sectional area that will be constructed in short
reaches of channel re-alignment. This cross-section is included in the plan set typical sections
and has an area of 187 SF with a width/ depth ratio of 11.3 and most importantly a bank height
ratio of 1.0. The bankfull bench elevation for the project length was designed based on bankfull
indicators surveyed in the field. In-stream structures will be used to create riffle and pool habitat
within the long shallow runs of the existing project reach.
3.2.2 Museum Drive Tributary Restoration Design
In order to develop design criteria for channel dimension, pattern, and profile for the Museum
Drive Tributary, a reference reach database of NC piedmont stream channels was used (Lowther,
2008). A variety of factors were considered in the selection of representative piedmont reference
streams to be used for the development of design parameters for the Museum Drive Tributary,
including watershed drainage area, percent of watershed developed, and percent impervious
coverage. Since Museum Drive Tributary is a relatively small urban channel (0.20 sq. mile
watershed), approximately 88% of which is developed with 25% impervious coverage, similarly
small urban channels with comparable watershed development were chosen. Sals Branch,
Terrible Creek, and UT to Lake Jeanette are three urban piedmont channels that exhibit suitably
similar watershed characteristics to Museum Drive Tributary. These channels have watersheds
ranging in size from 0.1 to 2.3 square miles and exhibit appropriate slopes of less than I%. The
percentage of developed land use for these watersheds ranges from 15% to 90% with impervious
Briar Creek Enhancement: Randolph Road to Providence Road 15
Site Specific Mitigation Plan
coverage ranging from 8% to 21%. These reference reaches classify as Rosgen C and E channel
types and display geomorphic conditions comparable to the proposed Museum Drive Tributary
restoration. Table 7 summarizes the geomorphic conditions of these channels.
Table 7. Reference Reach Geomorphic Conditions
Notation Units Sals Branch Terrible Creek UT to Lake
Jeanette
min max av min max av ` min max av
stream type E5 C5 C5
drainage area DA sq mi 0.30 2.30 0.10
bankfull discharge Qbkf cfs N/A N/A N/A
Cross-Section Features
bankfull cross-sectional area Abkf SF 13.8 18.0 14.3 22.3 32.5 27.4 19.8 27.1 23.4
average velocity during
bankfull event Vbkf fps N/A N/A N/A
width at bankfull wbkf feet 9.4 12.1 10.8 19.1 19.3 19.2 17.1 20.7 18.9
maximum depth at bankfull dm- feet 1.6 2.8 2.1 1.8 2.4 2.1 2.3 2.4 2.4
mean depth at bankfull dbkf feet 1.2 1.9 1.3 1.2 1.7 1.4 1.2 1.3 1.2
bankfull width to depth ratio wbkWdbkf 7.8 6.4 8.3 15.9 11.4 13.7 14.3 15.9 15.8
depth ratio dm-/dbkf 1.3 1.5 1.6 1.5 1.4 1.5 1.9 1.8 2.0
bank height ratio BHR N/A N/A N/A
floodprone area width wfpe feet N/A N/A N/A
entrenchment ratio ER 9.2 4.0 3.1
Sinuosity
valley slope S„e„ey feet/ foot 0.0150 0.0070 0.0090
channel slope Schenml feet/ foot 0.0080 0.0050 0.0070
sinuosity K 2.00 1.40 1.40
Riffle Features
riffle slope Sane feet/ foot 0.017 0.260 0.017 0.008 0.073 0.029 0.001 0.083 0.025
riffle slope ratio S,m,e/S&eeee, 2.1 32.5 2.1 1.6 14.6 5.8 0.1 11.9 3.6
Pool Features
pool slope Sp-, feet/ foot 0.000 0.000 0.000
pool slope ratio Spwl/Scheeee 0.0 0.0 0.0
pool-to-pool spacing Lp.p feet 14.9 143.5 57.9 11.6 88.6 43.9 20.6 51.8 31.2
pool spacing ratio Lp dwbkf 1.6 11.9 5.4 0.6 4.6 2.3 1.2 2.5 1.7
maximum pool depth at
bankfull
dpi,
feet
N/A
2.97
2.98
3.00
1.11
1.21
1.20
pool depth ratio dp_?dbkf N/A 1.2 1.7 1.4 0.9 0.9 1.0
pool width at bankfull WP_, feet N/A 18.3 22.4 20.4 11.1 14.9 13.0
pool width ratio wpw,/wbkf N/A 1.0 1.2 1.1 0.6 0.7 0.7
pool cross-sectional area at
bankfull
A
c
-
SF
N/A
54.7
66.7
60.7
13.4
16.6
15.0
pool area ratio 11
ee
AbkWAp-I N/A 0.4 0.5 0.5 1.5 1.6 1.6
Briar Creek Enhancement: Randolph Road to Providence Road 16
Site Specific Mitigation Plan
Notation Units Sals Branch Terrible Creek UT to Lake
Jeanette
Pattern Features
belt width wbIt feet 24.4 67.1 40.6 31 70 47 18.3 36.9 24
meander width ratio Wb,t/Wbkf 2.6 5.5 3.8 1.6 3.6 2.5 1.1 1.8 1.3
meander length Lm feet 37.5 163.2 73.4 80.4 180.0 99.4 35.3 94.2 61.9
meander length ratio Lm/Wbkf 4.0 13.5 6.8 4.2 9.3 5.2 2.1 4.6 3.3
radius of curvature Rc feet 11.4 22.2 15.7 20.3 41.3 23.8 7.0 42.8 14.9
radius of curvature ratio Rd Wbkf 1.2 1.8 1.5 1.1 2.1 1.2 0.4 2.1 0.8
Sediment
Particle Size Distribution from Reach-Wide Pebble Count
d5o material for Rosgen classification Very Coarse Sand Very Coarse Sand Coarse Sand
I d5o mm 1.7 1.8 0.8
Notes:
1. NA: Data not available from survey.
Using these reference reaches, design parameters were developed for the Museum Drive
Tributary using dimensionless ratios to convert reference parameters appropriately to the
tributary's drainage size. Table 8 provides the design parameters for the tributary. A
meandering channel with Rosgen C stream type dimensions is used; this channel will be stable
after construction and as vegetation becomes established can narrow to an E type channel with a
lower width/ depth ratio over time. Some of the more aggressive reference parameters (such as
width/depth less than 10, depth ratio greater than 1. 8, or radius of curvature ratio less than 1.2)
were not used because they may not provide appropriate stability for a newly-constructed
channel.
Table 8. Museum Drive Tributary Design Parameters

Notation
Units Design i+

Ran e` Proposed
"'
Conditions
x min`: s m'ax min °' max
stream type C5/E5 C5/E5
drainage area DA sq mi 0.20 0.20
bankfull discharge Qbkf cfs 38 38
Cross-Section Features
bankfull cross-sectional area Abkf SF 6.0 9.0 8.0
average velocity during bankfull event vbkf fps 4.2 6.3 4.75
width at bankfull Wbkf feet 8.0 10.0 10.0
maximum depth at bankfull dmax feet 1.3 1.4 1.2
mean depth at bankfull dbkf feet 0.9 1.0 0.8
bankfull width to depth ratio Wbkf/dbkf 10.0 14.0 12.5
depth ratio dmax/dbkf 1.2 1.6 1.5
bank height ratio BHR 1.0 1.0
Briar Creek Enhancement: Randolph Road to Providence Road 17
Site Specific Mitigation Plan
Notation Units Design
Range Proposed
Conditions
floodprone area width Wfpa feet 18+ 35 95
entrenchment ratio ER 2.2+ 3.5 9.5
Sinuosity
valley slope Svalley feet/ foot 0.0033 0.0033
channel slope Schannel feet/ foot 0.0024 0'0003 0.0027
sinuosity K 1.1 1.4 1.2
Riffle Features
riffle slope Sdffla feet/ foot 0.004 0.011 0.003 0.011
riffle slope ratio SMe/Schannel 1.6 3.6 1.0 3.2
Pool Features
pool slope Spool feet/ foot 0.000 0.000 0.000 0.000
pool slope ratio Spool/Schannel 0.0 0.0 0.0 0.0
pool-to-pool spacing Lp_p feet 12 54 40 103
pool spacing ratio Lp_p/Wbkf 1.5 5.4 4.0 10.3
maximum pool depth at bankfull dpool feet 1.1 2.5 1.4 1.7
pool depth ratio dpool/dbkf 1.2 2.5 1.8 2.1
pool width at bankfull Wpool feet 8.0 14.0 13.5
pool width ratio wpool/Wbkf 1.0 1.4 1.4
pool cross-sectional area at bankfull Apool SF 7.2 18.0 15.0
pool area ratio Abkf/Apool 1.2 2.0 1.9
Pattern Features
belt width Wblt feet 21 55+ 30 70
meander width ratio Wblt/Wbkf 2.6 5.5+ 3.0 7.0
meander length L,,, feet 26 135 80 125
meander length ratio Lm/Wbkf 3.3 13.5 8.0 12.5
radius of curvature Rc feet 14 30 20 30
radius of curvature ratio Rd Wbkf 1.8 3.0 2.0 3.0
3.3 Sediment Transport
The slope and bankfull cross-section of Briar Creek are not changing as a result of the
enhancement efforts. Therefore, we expect the same sediment transport regime as currently
exists for bankfull flows. The watershed supplies a large quantity of fine-grained sediment to
this low-gradient stream. We expect that aggradation will continue to be a problem, but
floodplain benches should allow an appropriate place for excess sediment to settle out during
each storm event, rather than in the middle of the channel as mid-channel bars. It is expected
that this fine-grained sediment will re-mobilize in the next flow event to move downstream but
will be replaced by other fine-grained sediment moving through the system.
Briar Creek Enhancement: Randolph Road to Providence Road 18
Site Specific Mitigation Plan
No sediment was observed in the Museum Drive Tributary, although it is expected to have a
primarily fine-grained sediment load since the entire watershed is piped.
3,4 HEC-RASAna/ysis
Preliminary hydraulic modeling using Mecklenburg County's Briar Creek HEC-RAS model
indicates that the proposed Briar Creek stream enhancement work can be constructed without
causing a rise in the 100-year flood elevation. The model indicates that the excavation of a
bankfull bench will increase the conveyance area of the channel and will decrease flow velocity
and shear stress at many locations during the 100-year flood event.
A detailed hydraulic model will be developed for the final design plans to obtain a Floodplain
Development Permit from Mecklenburg County for the work in the Briar Creek floodplain. The
Museum Drive Tributary will not be modeled as a separate flooding source since it is considered
a minor system and does not have a regulated floodplain.
3,5 In-Stream Structures
Log and boulder structures will be used as part of the Briar Creek enhancement work. Cross
vanes will be used to help center flow in the middle of the channel, take stress of the stream bank
toe, and form scour pools for habitat. Vanes will be used to form pools and provide cover
habitat. Riffles will be constructed to increase oxygenation and provide channel habitat. Double
and single wing deflectors will be used where the channel is overly wide to narrow the low flow
bed.
On the Museum Drive Tributary, constructed riffles may be used in the straight, tangent sections
between bends. Log sills will be used at head and tail of riffles, and log weirs will be used to
create small drops in the system. A series of rock steps will be used at the downstream end of
the channel to tie the tributary elevation into Briar Creek in a stable manner Rosgen B channel
type. The steps have been selected to avoid a wider grading footprint and mature tree loss which
would be necessary to drop the channel gradually along the entire reach. Profile grade will be
protected to prevent the tributary from incising down to the elevation of Briar Creek.
3.6 Vegetation
The first step in the enhancement of vegetation in the Briar Creek riparian buffer is to treat the
invasive species that currently crowd out any native volunteers. As part of this project, the
consultant will be required to develop an invasive control plan with cut and spray herbicide
methods. After initial treatment of invasives, native plant species will be installed. Table 9
summarizes the native plant species that will be utilized in the Briar Creek planting zones.
Species have been arranged into two zones including lower streambanks and upper banks and
benches. Additionally, in order to prevent utility maintenance issues, shorter growing species
were selected for zones under overhead electric lines, while native herbaceous seed mix is being
utilized throughout all planting zones and in areas of sanitary sewer lines.
Briar Creek Enhancement: Randolph Road to Providence Road 19
Site Specific Mitigation Plan
Table 9. Briar Creek Plantinq Zones
Scientific Name Common Name
Lower Streambanks
Corpus amomum Silky dogwood
Salix sericea Silky willow
Sambucus canadensis Elderberry
Bench Upper Banks and Flood lain Buffer
Alnus serrulata Tag alder
Betula nigra River birch
Corylus americana Hazelnut
Corpus amomum Silky dogwood
Diospyros virginiana Persimmon
Fraxinus pennsylvanica Green ash
Lindera benzoin Spicebush
Liriodendron tulipfera Tulip poplar
Nyssa sylvatica Black gum
Platanus occidentalis Sycamore
Quercus rubra Southern red oak
Xanthorhiza simplicissima Yellowroot
Overhead Electric ine Ri hts-of-Wa
Callicarpa americana Beautyberry
Corylus americana Hazelnut
Corpus amomum Silky dogwood
Herbaceous Seed & Sanita Sewer Lines
Elymus virginicus Virginia wild rye
Panicum virgatum Switchgrass
Agrostis stolonifera Creeping bentgrass
Bidens aristosa Beggar ticks
Coreopsis lanceolata Coreopsis
Panicum clandestinum Deer Tongue
Andropogon gerardii Big bluestem
Juncus effusus Soft rush
Polygonum pensylvanicum Pennsylvania smartweed
Schizachyrium scoparium Little bluestem
Sorghastrum nutans Indian grass
Tripsacum dactyloides Gamma grass
Proposed plantings for the Museum Drive Tributary restoration will also be installed according
to two planting zones including lower streambanks and upper banks and benches. Table 10
summarizes the native species that will be utilized for the Museum Drive Tributary planting
zones. Some native species with additional spring and fall color have been chosen for this park
setting. Groups of same species will be planted together for a more organized or landscaped
look for this park setting. Most species will be installed as bare roots, but some 1" caliper trees
will be planted at approximately 50 feet on center throughout the buffer. Existing mature trees
will be protected within the proposed conservation easement and will offer shade and habitat
within the riparian corridor.
Briar Creek Enhancement: Randolph Road to Providence Road Zp
Site Specific Mitigation Plan
Table 10. Museum Drive Tributary Planting Zones
Scientific Name Common Name
Lower Streambanks
Alnus serrulata Tag alder
Corpus amomum Silky dogwood
Physocarpus opulifolius Ninebark
Salix sericea Silky willow
Sambucus canadensis Elderberry
Bench U r`Banks and Flood lain Buffer
Amelancher canadensis Serviceberry
Callicarpa americana Beautyberry
Cercis canadensis Redbud
Corylus americana Hazelnut
Corpus amomum Silky dogwood
Fraxinus pennsylvanica Green ash
flex glabra Inkberry holly
flex verticillata Winterberry holly
Itea virginica Virginia sweetspire
Quercus nigra Water oak
Rosa carolina Carolina rose
Symphoricarpos orbiculatus Coralberry
Viburnum dentatum Arrowwood viburnum
Viburnum nudum Possumhaw viburnum
Xanthorhiza simplicissima Yellowroot
Herbaceous Seed
Elymus virginicus Virginia wild rye
Panicum virgatum Switchgrass
Agrostis stolonifera Creeping bentgrass
Bidens aristosa Beggar ticks
Coreopsis lanceolata Coreopsis
Panicum clandestinum Deer Tongue
Andropogon gerardii Big bluestem
Juncus effusus Soft rush
Polygonum pensylvanicum Pennsylvania smartweed
Schizachyrium scoparium Little bluestem
Sorghastrum nutans Indian grass
Rudbeckia hirta Black-eyed Susan
4.0 Project Accounting
4.1 Project Phasing
The project is planned to be constructed in one phase, as summarized in the schedule below:
1. Approval of site specific mitigation plan for Briar Creek and Museum Drive Tributary.
2. Apply and receive applicable permits, including 401/404, NC DENR sediment and
erosion control, and Mecklenburg County Floodplain Development permit.
3. Advertise for bids.
4. Award contract.
Briar Creek Enhancement: Randolph Road to Providence Road 21
Site Specific Mitigation Plan
5. Construction.
6. Monitoring and reporting.
4,2 Accounting and Financia/Assurances
On June 16, 2004, the City of Charlotte (City) entered into a Mitigation Banking Instrument
(MBI) with the US Army Corps of Engineers (USACE), the Environmental Protection Agency
(USEPA), the US Fish & Wildlife Service (USFWS), the NC Wildlife Resources Commission
(NCWRC), and the NC Division of Water Quality (NCDWQ), collectively referred to as the
Mitigation Bank Review Team (MBRT), to establish an Umbrella Stream and Wetland
Mitigation Bank (Umbrella Bank). This Umbrella Bank is to provide "compensatory mitigation
for unavoidable stream and wetland impacts permitted by the USACE and NCDWQ" (USACE,
2004). The use of the Umbrella Bank is limited to the City of Charlotte and when determined
appropriate, Mecklenburg County and the Charlotte-Mecklenburg Schools.
The Umbrella Bank is sponsored by the City, a municipal entity, and is governed under the NC
Local Government Budget and Fiscal Control Act (NCGS 159-28), which will assure the
completion of all outstanding projects and enforce procedural protocols. The Umbrella Bank is
funded by several sources including CMSWS utility fees and the Umbrella Bank's mitigation
funds from credit sales.
CMSWS storm water utility fees and funds from credit sales will be used for all phases of
design, construction, and monitoring. Funds will be set aside for short-term and long-term
maintenance and monitoring. CMSWS utility fees will be continually used throughout the life of
the project to address unforeseen circumstances or as supplemental revenue. No Clean Water
Management Trust Fund (CWMTF) or other grant funds will be used on Briar Creek Reach 1 or
the Museum Drive Tributary which are being completed for mitigation credit.
The Umbrella Bank is managed using the Permit and Mitigation Information Tracking System
(PerMITS) accounting system to maintain accurate records of debits from the Umbrella Bank. A
record of each debit will be reported to each member of the MBRT within the allotted 30 days
and an annual report will be submitted on the anniversary of the execution of this agreement. All
fiscal operations will be logged through this system and reported to the MBRT on an annual
basis as required by the approved MBI.
Within the City's budgeting and financial tracking system, the Umbrella Bank's revenue,
contracts, fund transfers and expenses are housed in a separated account and tracked
independently from all other storm water projects. In addition, stream and wetland restoration
dedicated revenues and fund transfers are housed within the Umbrella Bank in a separate revenue
account.
4.3 Property Ownership and Easements
Mecklenburg County will hold a conservation easement in perpetuity on the bank site along
Reach 1 of Briar Creek and the City of Charlotte will hold a conservation easement along the
Museum Drive Tributary. The right bank of Briar Creek Reach 1 is currently owned by the
County, so a deed restriction will be used to protect this portion of the project. Mecklenburg
County also currently holds maintenance easements on the remainder of the parcels for Briar
Briar Creek Enhancement: Randolph Road to Providence Road 22
Site Specific Mitigation Plan
Creek Reaches 2 and 3. A GIS map of the property owner information and proposed
conservation easement locations for the bank site is located in Appendix D.
4.3.1 Property Ownership
Title opinions will be completed for the properties where conservation easements are proposed to
be located. As stated in the MBI, bank lands must be free of all liens or encumbrances that may
interfere with preservation or legal constraints related to the conservation easements. Current
property owners along Briar Creek Reach 1 and the Museum Drive Tributary are listed below:
• PID 15515103, Mecklenburg County
• PID 15515117, Museum Plaza II, LLC
• PID 15515116, Museum Plaza One, LP
• PID 15515118, Museum Plaza II, LLC
• PID 15515102, Eastover Ridge, LLC
Sanitary sewer easements parallel both banks of Briar Creek Reach 1. There is a sanitary sewer
easement crossing near the downstream end of the Museum Drive Tributary. A proposed
greenway easement will be located adjacent to the Briar Creek Reach 1 conservation easement.
The greenway will cross through the conservation easement in select locations, as noted on the
plans.
4.3.2 Easements
The conservation easements on Briar Creek Reach 1 and the Museum Drive Tributary will allow
CMSWS to maintain and protect the restoration and enhancement work performed as part of this
project. Activities will be prohibited that are not within the ultimate goals of the Umbrella Bank.
"The conservation easement shall ... preserve all natural areas, and prohibit all use of the
property inconsistent with its use as a mitigation property, including any activity that would
materially alter the biological integrity or functional and educational value of wetlands within the
site, consistent with the Restoration Plan" (USACE, 2004). A copy of the City's Standard
Conservations Easement and the MBI terms and conditions are located in Appendix D.
The conservation easement for the Museum Drive Tributary will be held by the City of Charlotte
and the conservation easement for Briar Creek Reach 1 will be held by Mecklenburg County.
The right bank of Briar Creek Reach 1 is already owned by the County, so a deed restriction will
be used to protect this portion of the project. The easements or deed restrictions will extend the
full length of the two reaches along both banks. The easements will be sealed by a NC
Professional Land Surveyor and recorded with the Mecklenburg County Register of Deeds.
Figure 1 illustrates the proposed conservation easement locations for the project.
The conservation easement on Reach 1 of Briar Creek will extend approximately 20 to 40 feet
beyond top of bank on the left side of the creek. The easement cannot extend farther due to an
existing parking lot, road, and medical plaza development. This easement area overlaps with an
existing 30-foot wide sanitary sewer easement. The conservation easement on the right bank of
Reach 1 will extend 40 to 60 feet beyond the proposed top of bank. The easement overlaps with
an existing sanitary sewer easement up to 45 feet in width. This right bank conservation
easement is adjacent to the proposed greenway easement. The greenway encroaches into the
Briar Creek Enhancement: Randolph Road to Providence Road 23
Site Specific Mitigation Plan
easement at the pedestrian bridge crossing location at the southern end of the Mecklenburg
County property.
Mecklenburg County holds maintenance easements on the remainder of parcels for Briar Creek
Reaches 2 and 3.
The conservation easement on the Museum Drive Tributary will include the stream corridor plus
an average of 50 feet beyond top of bank on both sides of the restored creek. The minimum
easement width is 30 feet from the top of bank, and at all locations of this narrower width on one
bank, the easement on the opposite bank is at least 70 feet, as shown on the plans. The easement
will incorporate several stands of mature trees.
5.0 Mitigation Bank Credits
The City of Charlotte's Umbrella Bank credits will be used primarily for the City's Engineering
and Property Management Department's capital projects. When feasible, the Umbrella Bank
may be used by other City departments, including but not limited to, Charlotte-Mecklenburg
Utilities, the Aviation Department, and political subdivisions such as Mecklenburg County Park
and Recreation and the Charlotte-Mecklenburg Schools.
5,1 Credit Ratios
A credit ratio of 2:1 is requested for Reach 1 of Briar Creek, representing work that qualifies
between Enhancement Level I and Level II. The enhancement work on this reach includes
excavation of a bankfull bench to address cross-section dimension, use of in-stream structures to
address profile, bank grading and buffer planting. Extensive enhancement work is being
undertaken for the additional 4,970 LF of Reaches 2 and 3 of Briar Creek, for which no
mitigation credit is requested.
For the Museum Drive Tributary, a credit ratio of 1:1 is requested based on USACE Mitigation
Guidelines for restoration. A stable bankfull pattern, profile, and cross-section will be restored.
The work on this reach includes daylighting 225 LF of channel that is currently contained within
pipes, excavating a stable bankfull cross-section, restoring a meandering pattern, excavating a
floodplain at bankfull stage, installing in-stream structures to set profile and introduce bedform
diversity, and establishing a contiguous woody buffer.
To meet requirements set forth by the MBI, the City of Charlotte would like to request the
approval by the MBRT of the Mitigation Plan Proposal for Briar Creek Reach 1 and Museum
Drive Tributary in Charlotte, NC. It is the City's request to include the proposed enhancement of
1,750 LF of Briar Creek and restoration of 930 LF of Museum Drive Tributary into the Umbrella
Bank on which this agreement is established and results in credits available for use to
compensate for permitted and unavoidable stream impacts. Proposed mitigation credits are 875
stream mitigation units (SMUs) for 1,750 LF of enhancement work on Briar Creek Reach 1 and
930 SMUs for 930 LF of restoration work on the Museum Drive Tributary.
Briar Creek Enhancement: Randolph Road to Providence Road 24
Site Specific Mitigation Plan
5.2 Credit Release Schedule
The City proposes the following credit release schedule for this project. The credit release
schedule will follow the guidelines and success criteria goals as stated in the MBI.
Table 11. Credit Release Schedule
Percent Museum Drive

Schedule
Credit Briar Creek
Tributary Credits Total Credit
e Credits (SMU) Amount (SMU)
Releas SMU
Initial Release 15% 131 140 271
Construction 10% 88 93 181
Release
After 1 s Monitoring 20%* 175` 186* 361 *
Year*
After 2" Monitoring 10% 87 93 180
Year
After 3` Monitoring

Year 10% 88 93 181
After 4 Monitoring 10% 87 93 180
Year
After 5 Monitoring 25% 219 232 451
Year
Total 100% 875 930 1,805
* Credit release schedule assumes that bankfull event will occur during first year of monitoring.
6.0 Success Criteria
The stream restoration success criteria for the project site will follow approved success criteria
presented in the CMSWS Mitigation Monitoring Guidance and the Interagency Stream
Mitigation Guidelines issued January 2009. Annual monitoring and site visits will occur to
assess the condition of the finished project. Portions of the stream restoration and enhancement
sections of the project will be assigned specific success criteria components for stream
morphology, vegetation, and hydrology. The portions of the project covered under the detailed
monitoring plan will include Reach 1 of Briar Creek and Museum Drive Tributary. An outline
of these components follows.
6.Z Stream Morphological Parameters and Channel Stability
6.1.1 Dimension
Riffle cross-sections on the restoration and enhancement reaches should be stable and should
show little change in bankfull area, maximum depth ratio and width-to-depth ratio. Riffle cross-
sections should generally fall within the parameters defined for channels of the appropriate
Rosgen stream type. If any changes do occur, these changes will be evaluated to assess whether
the stream channel is showing signs of instability. Indicators of instability include a vertically
incising thalweg or eroding channel banks. Changes in the channel that indicate a movement
toward stability or enhanced habitat include a decrease in the width-to-depth ratio in meandering
channels or an increase in pool depth. Remedial action would not be taken if channel changes
indicate a movement toward stability.
Briar Creek Enhancement: Randolph Road to Providence Road 25
Site Specific Mitigation Plan
In order to monitor the channel dimensions, four permanent cross-sections in Briar Creek Reach
1 and four permanent cross-sections in the Museum Drive Tributary will be installed, with two
cross-sections located at riffle sections and two located at pool sections on each monitored reach.
Each cross-section will be permanently marked with pins to establish its location. Cross-section
surveys will be performed during post-construction monitoring years one, three, and five and
will include points measured at all breaks in slope, including top of bank, bankfull, edge of
water, and thalweg.
6.1.2 Profile and Pattern
Longitudinal profile data for the stream reach should show that the bedform features are
remaining stable. The riffles should be steeper and shallower than the pools, while the pools
should be deep with flat water surface slopes. The relative percentage of riffles and pools should
not change significantly from the design parameters. The longitudinal profile should show that
the bank height ratio remains very near to 1.0 for most nearly all of the restoration reach.
A longitudinal profile will be completed for the entire reach of Museum Drive Tributary in years
one, three, and five of the monitoring period. Measurements will include thalweg, water surface,
bankfull, and top of low bank. These profile measurements will be taken at the head of each
riffle, run, pool, and glide, as well as at the maximum pool depth. The survey will be tied to a
permanent benchmark and NC State Plane coordinates. A longitudinal profile for Reach 1 of
Briar Creek will not be performed, as no formal changes are planned for the stream bed profile
within this reach.
6.1.3 Substrate
Substrate materials in the restoration reaches should indicate a progression towards or the
maintenance of coarser materials in the riffle features and smaller particles in the pool features.
A reach-wide pebble count will be conducted in Briar Creek Reach I and the Museum Drive
Tributary during monitoring years 1, 3 and 5.
6,2 Vegetation
The final vegetative success criteria will be the survival of 260 five-year-old planted trees and/or
shrubs per acre in the riparian corridor along restored and enhanced reaches at the end of year
five of the monitoring period. The interim measure of vegetative success for the site will be the
survival of at least 320 three-year-old planted trees per acre at the end of year three of the
monitoring period. The extent of invasive species coverage will also be monitored and
controlled as necessary. Success criteria will not include sewer easement areas which preclude
the planting of woody vegetation.
At the end of the first growing season, species composition, density, and survival will be
evaluated. The restoration site will then be evaluated each subsequent year until the final success
criteria are achieved.
Vegetation monitoring plots will be installed across the restoration site to measure the survival of
the planted trees. The number of monitoring plots required will be based on the CSWS
Mitigation Monitoring Guidance. The size of individual plots will be 100 square meters for
woody tree species and shrubs and one square meter for herbaceous vegetation. Vegetation
Briar Creek Enhancement: Randolph Road to Providence Road 26
Site Specific Mitigation Plan
monitoring will occur in the growing season. Individual plot data will be provided for the
survival phase (years 1-2) and include stem counts, diameter, height, and density, as well as for
the functional phase (years 3-5) and will include additional percent cover and qualitative data for
each plot. Individual seedlings will be marked so they can be found in succeeding monitoring
years. Mortality will be determined from the difference between the previous year's living
planted seedlings and the current year's living planted seedlings.
6,3 Hydrology
One bankfull flow event must be documented on the project within the five-year monitoring
period, as per the City of Charlotte's Umbrella Mitigation Banking Instrument. Bankfull events
will be documented using a crest gage and photographs. Two crest gages will be installed: one
on Briar Creek Reach 1 and the other gage on the Museum Drive Tributary. The crest gage will
be installed on the floodplain within 10 feet of the restored channel at a central site location. The
gage will be checked at each site visit to determine if a bankfull event has occurred. Photographs
will be used to document the occurrence of debris lines and sediment deposition.
6,4 Other Parameters
Photographs will be taken once a year for five years following construction to visually document
stability. Permanent markers will be established so that the same locations and view directions
on the site are monitored each year.
Lateral reference photos should show a stable cross-section with no excessive erosion or
degradation of the banks. The reference photo transects will be taken of both banks at each
permanent cross-section. A survey tape pulled across the section will be centered in the
photographs of the bank. The photographer will make every effort to maintain the same area in
each photo over time.
Longitudinal photos should indicate the absence of developing bars within the channel or vertical
incision. The photographer will make every effort to consistently maintain the same area in each
photo over time.
Grade control structures should remain stable. Deposition of sediment on the bank side of vane
arms is preferable. Maintenance of scour pools on the channel side of vane arms is expected.
Photographs will be taken at each grade control structure along the restored stream. The
photographer will make every effort to consistently maintain the same area in each photo over
time.
7.0 Monitoring Plan
An as-built report documenting the stream restoration will be developed within 60 days of the
planting completion and monitoring equipment installation on the restored site. The monitoring
plan outline is based on the CSWS Mitigation Monitoring Guidance and is outlined in Table 12.
The monitoring report will include elevations, photographs, sampling plot locations, a
description of initial species composition by community type, and monitoring stations. The
report will include a list of the species planted and the associated densities.
Briar Creek Enhancement: Randolph Road to Providence Road 27
Site Specific Mitigation Plan
Monitoring reports will be prepared in the fall of each year of monitoring and submitted to
CMSWS. Based on the Charlotte Storm Water Services Mitigation Monitoring Guidance, the
monitoring reports will include the following:
1. Project background which includes project objectives, project structure, restoration type
and approach, location and setting, history and background.
2. As-built topographic plans of major project elements including such items as grade
control structures, vegetation plots, monitoring cross-sections, and crest gage.
3. Photographs showing views of the restored site taken from fixed point stations.
4. Assessment of the stability of the project based on the cross-sections and longitudinal
profile, where applicable.
4. Vegetative data as described above including the identification of any invasion by
undesirable plant species.
7. A description of damage by animals or vandalism.
8. Wildlife observations.
Table 12. Monitoring Plan Schedule
Monitoring :Task y"` ". PlanfA-1 ftrmal`Bank:
Photo-documentation As-built-
Years 1-5

Vegetation Survey As-built;
Years 1-2: Survival;
Years 3-5: Function
Geomorphic Survey As-built;
Years 1-5
Bankfull Flow Documentation z 1 event'
Biological Survey Years 0, 1 ,3 and 5
Water Quality Analysis Years 0, 1, 3 and 5
Habitat Assessment Years 0, 1, 3 and 5
As-built - is the initial survey performed after construction is complete in order to document the as-constructed
condition.
Year 0 - is performed prior to construction (pre-construction baseline). A minimum of one year of baseline
monitoring is necessary for stream and bmp projects.
Years 1-5 - represent the monitoring events occurring after (post) construction, where Year 1 kicks off after the first
full growing season following the as-built
' Documentation of at least 1 bankfull event is based on credit release schedule outlined in the City of Charlotte's
Umbrella Mitigation Banking Instrument
8.0 Maintenance and Long-Term Management
8,1 Maintenance
Adaptive measures will be developed or appropriate remedial actions will be implemented in the
event that the site or a specific component of the site fails to achieve the success criteria outlined
above. The project -specific monitoring plan developed during the design phase will identify an
appropriate threshold for maintenance intervention based on the monitored items. Any actions
implemented will be designed to achieve the success criteria specified previously, and will
include a work schedule and updated monitoring criteria.
Briar Creek Enhancement: Randolph Road to Providence Road 28
Site Specific Mitigation Plan
&2 Long Term Management Provisions
The City of Charlotte will institute a Long Term Management Plan responsible for assessing the
condition of the mitigation site and implementing maintenance provisions to maintain
performance of the site. The proposed conservation easement will help to ensure that only
MBRT-allowable activities take place. To monitor the project's continued success, the Long
Term Management Plan will be implemented following the five-year monitoring period.
CMSWS will visually inspect all components of the restoration and enhancement project
annually or less frequently as needed to ensure that the project remains stable in perpetuity.
Sources of instability or other deficiencies will be addressed. CMSWS will also send letters to
properties with a conservation easement annually, reminding property owners of the limits and
restrictions of the easement area. Follow-up inspections will be conducted annually or less
frequently as needed to ensure compliance with the easement provisions. Invasive species will
be managed annually or less frequently as needed to ensure the long term survivability of the
planned native vegetation community. All reporting will be documented and kept on file for
future reference.
Briar Creek Enhancement: Randolph Road to Providence Road 29
Site Specific Mitigation Plan
9.0 References
City of Charlotte. Umbrella Stream and Wetland Mitigation Bank - Mitigation Banking
Instrument, 2003.
Goldsmith, Richard, Daniel J. Milton and J. Wright Horton, Jr. Geologic Map of the Charlotte
1° x 2° Quadrangle, North Carolina and South Carolina. Map I-1251-E, Scale 1:250,000.
U.S. Geological Survey, 1988.
Lowther, Brian C. Stream Channel Geomorphology Relationships for North Carolina Piedmont
Reference Streams. North Carolina State University Thesis, 2008.
Rosgen, Dave. Applied River MoMhology. Wildland Hydrology, 1996.
Simon, Andrew and C. R. Hupp. "A model of channel response in disturbed alluvial channels."
U.S. Geological Survey, 1986.
Briar Creek Enhancement: Randolph Road to Providence Road 30
Site Specific Mitigation Plan
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1 Streams Briar Creek
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Figure 5: NC Piedmont Regional Curves with Existing Project Condition Data Overlay
North Carolina Piedmont Regional Curve: Bankfull Area
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Project Reach Figure 6. Soils Map
Streams Briar Creek
Randolph to Providence
WI LDL . V DS 0 450 900 1,800
Feet Mecklenburg County, INC
Appendix A:
Existing Conditions Geomorphic Survey
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Briar XS 1 [Pool]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar creek
cross section Name: Cross section 1
Survey Date: 07/23/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE
---------- FS ELEV NOTE

0 --------------
0 -----------------
631.8654 -----------------------------
POOL
17.3 0 623.61
20.03 0 624.2697 LB
22.11 0 623.851 BKF
25.8 0 624.125
27.6 0 622.8932
29.29 0 620.759
31.66 0 619.8655
35.52 0 618.3511 LCH
35.52 0 618.3983 LEw
39.38 0 617.2167
43.73 0 616.1418
51.04 0 614.8214 TW
53.19 0 614.856
55.31 0 616.1218
57.86 0 617.1766
60.11 0 618.3983 REw
60.11 0 618.3145 RCH
61.96 0 619.7781
63.48 0 621.559
65.44 0 623.7752
67.72 0 625.5884
70.26 0 626.9543
72.01 0 628.6321
74.15 0 629.5077 RB
81.38 0 629.6059
91.2 0 629.6712
101.97 0 629.5339
----------------------------------------------------------------------
Cross Sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 632.88 632.88 632.88
Bankfull Elevation (ft) 623.85 623.85 623.85
Floodprone width (ft) 101.97 ----- -----
Bankfull width (ft) 40.83 20.41 28.32
Entrenchment Ratio 2.5 ----- -----
Mean Depth (ft) 5.68 3.25 6.75
Maximum Depth (ft) 9.03 5.97 9.03
width/Depth Ratio 7.19 3.85 4.19
Bankfull Area (sq ft) 231.79 40.61 191.19
wetted Perimeter (ft) 46.47 20.46 37.95
Hydraulic Radius (ft) 4.99 1.98 5.04
Page 1
Briar XS 1 [Pool]
Begin BKF Station 16.8 16.8 37.21
End BKF station 65.53 37.21 65.53
----------------------------------------------------------------------
Entrainment Calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
slope channel Left Side Right side
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2
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Briar XS 2 [Pool]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
cross section Name: Cross Section 2
Survey Date: 07/23/08
----------------------------------------------------------------------
Cross Section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE
----- FS ELEV NOTE
-----
0 -------------
0 ------------------
628.1655 -----------------------------
POOL
2.05 0 628.0069 LB
3.25 0 626.0364
5.51 0 623.7069
8.23 0 622.997
9.91 0 622.2367
11.11 0 621.7452
12.16 0 617.9699 LCH
12.16 0 617.87 LEW
12.9 0 616.2911
15.58 0 615.1255
18.7 0 614.1149
20.61 0 614.0845 TW
23.99 0 614.1897
27.31 0 614.5604
30.32 0 615.3103
30.38 0 615.2899
33.32 0 615.6799
35.91 0 616.0323
38.44 0 616.0368
40.64 0 615.8116
43.54 0 615.6508
45.22 0 617.1292
47.44 0 617.87 REW
47.44 0 617.9469 RCH
49.27 0 618.712
51.3 0 620.0025
53.53 0 621.5751 BKF
55.16 0 622.6926
56.25 0 623.7591
57.45 0 625.1019
60.67 0 625.8693
63.1 0 626.174
65.33 0 628.0785
67.79 0 629.7993
70.52 0 631.1337
74.97 0 632.2532 LB
81.32 0 632.0498
83.12 0 631.6142
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
channel Left Right
Page 1
Floodprone Elevation (ft)
Bankfull Elevation (ft)
Floodprone width (ft)
Bankfull width (ft)
Entrenchment Ratio
Mean Depth (ft)
Maximum Depth (ft)
width/Depth Ratio
Bankfull Area (sq ft)
wetted Perimeter (ft)
Hydraulic Radius (ft)
Begin BKF station
End BKF station
Briar xs 2 [Pool]
629.08 629.08 629.08
621.58 621.58 621.58
66.76 ----- -----
42.38 21.19 21.19
1.58 ----- -----
5.49 6.53 4.44
7.5 7.5 6.03
7.72 3.24 4.77
232.52 138.47 94.05
48.6 31.61 29.05
4.78 4.38 3.24
11.16 11.16 32.35
53.54 32.35 53.54
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
slope channel Left side Right side
ope
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2
ca
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(4) U01jenaj=j
Briar XS 3 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
Cross Section Name: Cross Section 3
Survey Date: 07/23/08
----------------------------------------------------------------------
Cross Section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
----------
0 -------------
0 ------------------
629.3313 -----------------------------
RIFFLE LB
1.83 0 628.1782
2.87 0 626.8454
5.03 0 624.3083
7.54 0 622.8663
8.91 0 621.3273 BKF
9.81 0 619.5142
10.59 0 618.4791
12.22 0 617.1794
13.27 0 616.7748 LCH
13.27 0 616.5631 LEw
14.85 0 616.236
18.12 0 616.1947
20.81 0 616.3341
23.94 0 615.9675
26.13 0 615.9007 TW
34.78 0 615.9276
36.73 0 615.9277
40.7 0 615.9846
44.36 0 616.0302
46.7 0 616.5631 REw
46.7 0 616.3956 RCH
48.72 0 619.0403
50.93 0 621.2342
52.76 0 623.1749
54.46 0 624.5739
56.18 0 625.8528
58.48 0 626.9603
61.54 0 628.3102
65.9 0 630.1131
68.97 0 630.6679
70.25 0 630.9623 RTB
73.02 0 630.8934
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 626.76 626.76 626.76
Bankfull Elevation (ft) 621.33 621.33 621.33
Floodprone width (ft) 55.12
Bankfull width (ft) 42.11 21.05 21.06
Entrenchment Ratio 1.31 ----- -----
Mean Depth (ft) 4.73 4.74 4.71
Page 1
Briar xs 3 [Riffle]
Maximum Depth (ft) 5.43 5.43 5.42
width/Depth Ratio 8.91 4.44 4.47
Bankfull Area (sq ft) 199 99.86 99.14
wetted Perimeter (ft) 47.04 28.91 28.96
Hydraulic Radius (ft) 4.23 3.45 3.42
Begin BKF Station 8.91 8.91 29.96
End BKF Station 51.02 29.96 51.02
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
slope channel Left side Right side
Shear Stress (lb/sq ft)
Movable Particle (mm)
Page 2
0
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7
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CO CO CMO CMO w w C14 N
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(4) UOIJBA81:?
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to
O
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O
O
CO
Briar XS 4 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
Cross Section Name: Cross Section 4
Survey Date: 07/23/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
----------
0 -------------
0 ------------------
628.3345 -----------------------------
RIFFLE
2.12 0 628.0386 LB
4.65 0 625.1619
5.95 0 624.3667
6.97 0 623.9061
8.45 0 622.215
10.03 0 621.6282
11.37 0 620.9594
12.79 0 620.3976
14.1 0 619.5774
14.32 0 618.5317
15.49 0 618.1441
17.07 0 617.1531
19.23 0 616.0382 LCH
19.23 0 616.0071 LEw
20.48 0 615.8465
22.17 0 615.8591
23.16 0 615.771
24.51 0 615.8363
27.46 0 615.7912
30.26 0 615.8498
31.88 0 615.8735
33.54 0 615.9914
35.4 0 615.9411
37.65 0 616.0065
38.64 0 615.9888
42.24 0 615.5335 TW
43.61 0 615.9483
44 0 616.0071 REw
44 0 616.1815 RCH
45.5 0 617.3195
48.51 0 617.9273
53.07 0 620.382
55.62 0 621.628 BKF
58.04 0 622.7836
60.18 0 623.8039
62.46 0 625.9486
64.97 0 627.7408
67.22 0 628.4714
68.69 0 628.9601
70.29 0 629.2061
72.54 0 629.2453
75.54 0 629.3212
89.9 0 628.4415
Page 1
Briar xS 4 [Riffle]
----------------------------------------------------------------------
Cross Sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 627.73 627.73 627.73
Bankfull Elevation (ft) 621.63 621.63 621.63
Floodprone width (ft) 62.56 ----- -----
Bankfull width (ft) 45.6 22.79 22.8
Entrenchment Ratio 1.37 ----- -----
Mean Depth (ft) 4.4 4.57 4.24
Maximum Depth (ft) 6.1 5.86 6.1
width/Depth Ratio 10.36 4.99 5.38
Bankfull Area (sq ft) 200.78 104.2 96.58
wetted Perimeter (ft) 49.24 30.S 30.11
Hydraulic Radius (ft) 4.08 3.42 3.21
Begin BKF Station 10.03 10.03 32.82
End BKF Station 55.62 32.82 55.62
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen Modified Shields Curve
slope channel Left side Right side
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2
N
N
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N
fd
O w
d x
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7
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co
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co
Briar xs 5 [Pool]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
Cross Section Name: Cross Section 5
Survey Date: 08/05/08
----------------------------------------------------------------------
Cross Section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
----------
0 --------------
0 ------------------
626.9385 ----------------------------
POOL START
3 0 626.5049
5.16 0 625.5927
7.98 0 624.7394
11.09 0 623.8516
14.18 0 623.0596 LB
16.14 0 622.1624
18.43 0 620.3034
20.83 0 619.7999 BKF
22.22 0 618.9733
22.66 0 618.2125
24.14 0 615.689
24.67 0 615.0016
25.71 0 613.8779 LEw
25.71 0 613.8734 LCH
27 0 613.3726
29.54 0 612.9691
31.81 0 612.6819
36.23 0 612.1615 TW
40.13 0 612.4709
44.31 0 612.74
48.47 0 613.3709
50.65 0 613.8689 RCH
50.65 0 613.8779 REw
52.85 0 616.0756
54.15 0 618.2952
55.28 0 619.6926
57.04 0 621.1739
59.71 0 622.4435
62.71 0 624.0503
65.16 0 625.8727
67.32 0 627.426
69.24 0 628.2368 RB
72.28 0 628.5004
77.52 0 628.2929
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 627.44 627.44 627.44
Bankfull Elevation (ft) 619.8 619.8 619.8
Floodprone width (ft) 67.35
Bankfull width (ft) 34.58 17.55 17.03
Page 1
Entrenchment Ratio
Mean Depth (ft)
Maximum Dehth (ft)
width/Dept Ratio
Bankfull Area (sq ft)
wetted Perimeter (ft)
Hydraulic Radius (ft)
Begin BKF Station
End BKF Station
Briar xS 5 [Pool]
1.95 ----- -----
5.85 5.85 5.84
7.64 7.64 7.47
5.91 3 2.91
202.23 102.75 99.48
40.72 28.14 27.51
4.97 3.65 3.62
20.83 20.83 38.38
55.41 38.38 55.41
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
slope channel Left side Right side
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2
rn
W
N
c
'o w
d x
U <
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0
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(q) U01leA213
Briar XS 6 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
Cross Section Name: Cross Section 6
Survey Date: 08/05/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
----------
0 -------------
0 -------------------
626.2648 ----------------------------
RIFFLE ST
2.4 0 625.3099
5.03 0 625.0034
7.39 0 624.6281 LB
9.97 0 623.5137
11.99 0 622.3725
13.71 0 621.5941
16.97 0 620.4994
20.03 0 619.765 BKF
22 0 618.9074
23.22 0 618.4493
25.67 0 617.2896
27.05 0 615.9403
28.27 0 614.1975
30.98 0 613.384 LCH
32.51 0 613.2433 LEw
34.05 0 613.4174
36.19 0 613.1692
38.68 0 613.0266
41.7 0 613.0431
43.57 0 612.8289 TW
47.04 0 613.011
48.88 0 613.2433 REw
50.71 0 613.5162 RCH
52.06 0 614.8986
54.05 0 616.5056
57.51 0 618.1535
59.85 0 620.3915
63.86 0 622.3626
66.29 0 624.5131
68.67 0 625.8649
71.95 0 627.2258 RB
74.06 0 627.9713
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
Channel
Floodprone Elevation (ft) 626.71
Bankfull Elevation (ft) 619.77
Floodprone width (ft) 70.71
Bankfull width (ft) 39.19
Entrenchment Ratio 1.8
Mean Depth (ft) 4.84
Left Right
626.71 626.71
619.77 619.77
20.51 18.68
4.67 5.02
Page 1
Briar xs 6 [Riffle]
Maximum Depth (ft) 6.94 6.74 6.94
width/Depth Ratio 8.1 4.39 3.72
Bankfull Area (sq ft) 189.63 95.8 93.82
wetted Perimeter (ft) 43.55 29.38 27.64
Hydraulic Radius (ft) 4.35 3.26 3.39
Begin BKF Station 20.01 20.01 40.52
End BKF Station 59.2 40.52 59.2
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
,slope channel Left Side Right Side
ope
Shear Stress (lb/sq ft)
Movable Particle (mm)
Page 2
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Briar XS 7 [Run]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
cross section Name: Cross section 7
Survey Date: 08/05/08
------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
--------------
0 ------------
0 ----------------
626.7434 ----------------------------
RUN START
1.88 0 626.6738
4.55 0 627.031
6.9 0 626.6209
7.77 0 626.4424 LB
10.19 0 623.709
13.35 0 624.0015
16.26 0 622.3139
19.41 0 622.7038
21.46 0 621.7769
25.41 0 620.689
28.21 0 618.661 BKF
30.72 0 618.0426
33.04 0 616.9683
34.94 0 616.0424
36.41 0 614.7367
37.77 0 613.2591 LCH
38.01 0 613.1374 LEw
39.1 0 612.7346
42.42 0 612.6104
44.95 0 612.543
47.16 0 612.4818
50.57 0 612.327
52.84 0 612.3111
55.88 0 612.1487 TW
59.8 0 612.5304
60.57 0 613.0359 RCH
60.57 0 613.1374 REw
62.37 0 614.8524
63.41 0 616.9813
66.64 0 618.7846
69.52 0 620.1628
72.07 0 621.629
76.19 0 623.5101
77.21 0 625.3487 RB
80.66 0 625.8306
84.73 0 627.5936
86.19 0 628.1449
93.87 0 628.092
96.33 0 628.1176
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
Page 1
Floodprone Elevation (ft)
Bankfull Elevation (ft)
Floodprone width (ft)
Bankfull width (ft)
Entrenchment Ratio
Mean Depth (ft)
Maximum Depth (ft)
width/Depth Ratio
Bankfull Area (sq ft)
wetted Perimeter (ft)
Hydraulic Radius (ft)
Begin BKF Station
End BKF Station
Briar XS 7 [Run]
Channel Left Right
625.17 625.17 625.17
618.66 618.66 618.66
68.22 ----- -----
38.2 19.81 18.4
1.79 ----- -----
4.54 4.06 5.06
6.51 6.22 6.51
8.41 4.88 3.64
173.45 80.43 93.02
42.71 27.8 27.34
4.06 2.89 3.4
28.21 28.21 48.02
66.42 48.02 66.42
----------------------------------------------------------------------
Entrainment Calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
Slope Channel Left Side Right Side
Shear Stress (lb/sq ft)
Movable Particle (mm)
Page 2
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(74) UOIJen913
Briar XS 8 [Run]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
Cross Section Name: Cross Section 8
Survey Date: 08/05/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE
--- FS ELEV NOTE
-------
0 --------------
0 -----------------
626.0403 -----------------------------
RUN
2.38 0 625.9645
3.6 0 625.5802 LB
3.93 0 622.6205
5.12 0 621.5656
6.38 0 619.7107
9 0 618.6111 BKF
11.35 0 617.4659
13.09 0 616.9634
15.76 0 616.5404
17.3 0 615.7498
17.85 0 614.8738
18.2 0 613.1049 LEw
18.2 0 612.809 LCH
20.57 0 612.1255
22.94 0 612.2779
26.4 0 612.5823
29.96 0 612.5552
33.73 0 612.327
36.49 0 612.1623
40.08 0 611.8382 TW
42.01 0 612.2614
44.4 0 612.6871
45.5 0 613.0689 RCH
45.5 0 613.1049 REw
47.56 0 616.3777
49.57 0 617.9389
52.99 0 619.5578
54.94 0 620.6266
57.48 0 621.7716
59.91 0 623.3103
62.11 0 624.6977
64.5 0 625.8956
66.54 0 626.7052 RB
69.06 0 626.9
----------------------------------------------------------------------
Cross Sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 625.38 625.38 625.38
Bankfull Elevation (ft) 618.61 618.61 618.61
Floodprone width (ft) 59.85 ----- -----
Bankfull width (ft) 41.99 20.99 21
Page 1
Entrenchment Ratio 1.43
Mean Depth (ft) 4.72
Maximum Deppth (ft) 6.77
width/Depth Ratio 8.9
Bankfull Area (sq ft) 198.14
wetted Perimeter (ft) 47.6
Hydraulic Radius (ft) 4.16
Begin BKF Station 9
End BKF station 50.99
Briar XS 8 [Run]
4.23 5.21
6.48 6.77
4.96 4.03
88.78 109.37
29.95 29.76
2.96 3.68
9 29.99
29.99 50.99
----------------------------------------------------------------------
Entrainment Calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen Modified Shields Curve
Channel Left side Right side
slope
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2
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Briar XS 9 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar creek
Reach Name: Briar creek
Cross Section Name: Cross Section 9
Survey Date: 08/05/08
----------------------------------------------------------------------
Cross Section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE
------- FS ELEV NOTE
---
0 -------------
0 ------------------
623.7289 -----------------------------
RIFFLE ST
2.62 0 623.4676
5.68 0 622.6375 LB
7.57 0 621.7402
9.66 0 621.4767
12.35 0 620.4988
14.91 0 620.1388
17.45 0 619.8811
19.56 0 619.3046
21.74 0 618.5163
23.56 0 617.9037
24.85 0 617.3963
26.31 0 616.2142
27.34 0 614.2585
27.85 0 612.7154 LEW
27.85 0 612.5922 LCH
30.87 0 612.6207
33.62 0 612.4523
37.52 0 612.5467
40.26 0 612.4522
42.13 0 612.2786 TV
45.3 0 612.5392
48.61 0 612.4
51.47 0 612.4537
53.38 0 612.4257
55.22 0 612.0589
59.13 0 612.5663 RCH
59.13 0 612.7154 REW
59.68 0 613.7232
60.71 0 614.1884
61.69 0 615.5534
64.18 0 617.5813
65.97 0 618.2879 BKF
68.2 0 618.9122
69.66 0 619.6586
71.34 0 620.1267
73.89 0 620.6358
75.93 0 621.6325
78.68 0 622.2706
81.13 0 622.3729 RB
86.07 0 622.456
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
Page 1
Briar xs 9 [Riffle]
Channel Left Right
Floodprone Elevation (ft) 624.52 624.52 624.52
Bankfull Elevation (ft) 618.29 618.29 618.29
Floodprone width (ft) 86.07 ----- -----
Bankfull width (ft) 43.57 21.87 21.7
Entrenchment Ratio 1.98 ----- -----
Mean Depth (ft) 4.76 4.76 4.75
Maximum Depth (ft) 6.23 6.01 6.23
width/Depth Ratio 9.16 4.6 4.56
Bankfull Area (sq ft) 207.2 104.06 103.15
wetted Perimeter (ft) 49.07 30.72 30.01
Hydraulic Radius (ft) 4.22 3.39 3.44
Begin BKF Station 22.41 22.41 44.28
End BKF Station 65.98 44.28 65.98
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen Modified Shields Curve
Channel Left Side Right side
slope
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2
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(4) UOIIBA913

Briar XS 10 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
cross section Name: Cross Section 10
Survey Date: 08/05/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE
------- FS ELEV NOTE
---
0 -------------
0 ------------------
621.4506 -----------------------------
RIFFLE ST
3.04 0 620.9025 LB
5.52 0 620.1328
7.28 0 618.9123
8.85 0 618.253
10.46 0 617.211
11.65 0 616.1386
13.13 0 614.937
13.83 0 614.6889
15.16 0 614.4435
16.91 0 613.8909
18.78 0 613.5565
20.5 0 613.6153
21.96 0 612.8147
23.36 0 612.187
24.5 0 611.4439
26 0 610.7794 LEW LCH
28.15 0 610.4288
31.56 0 610.4162
34.46 0 610.545
37.65 0 610.6038
40.77 0 610.5916
44.56 0 610.5782
47.97 0 610.582
51.14 0 610.5904
53.68 0 610.5266
54.86 0 610.3461 Tw
56.15 0 610.7388 REw RCH
56.97 0 611.7856
58.41 0 613.0425
58.89 0 614.445
60.82 0 615.3269
63.02 0 615.951 BKF
65.49 0 616.1929
67.84 0 616.5708
69.62 0 617.2104
71.9 0 618.095
75.07 0 619.1282 RB
78.06 0 619.4673
80.59 0 619.5512
83.27 0 620.134
----------------------------------------------------------------------
Cross Sectional Geometry
----------------------------------------------------------------------
Page 1

Briar XS 10 [Riffle]
channel Left Right
Floodprone Elevation (ft) 621.55 621.55 621.55
Bankfull Elevation (ft) 615.95 615.95 615.95
Floodprone width (ft) 83.27 ----- -----
Bankfull width (ft) 51.13 24.75 26.39
Entrenchment Ratio 1.63 ----- -----
Mean Depth (ft) 4.13 3.77 4.46
Maximum De pth (ft) 5.6 5.53 5.6
width/Dept h Ratio 12.39 6.56 5.91
Bankfull area (sq ft) 211.02 93.3 117.72
wetted Perimeter (ft) 54.74 31.39 34.09
Hydraulic Radius (ft) 3.85 2.97 3.45
Begin BKF Station 11.88 11.88 36.63
End BKF Station 63.02 36.63 63.02
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
Channel Left Side Right Side
slope
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2

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Briar xS 11 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar creek
cross section Name: Cross section 11
Survey Date: 08/05/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE
------ FS ELEV NOTE
----
0 -------------
0 --------------------
621.758 ---------------------------
RIFFLE ST
1.81 0 621.6947
3.83 0 621.1637
5.22 0 621.0865 LB
6.99 0 620.6317
8.39 0 619.7558
9.73 0 619.2819
10.79 0 617.7806
12.41 0 617.4941
14.61 0 616.9917
16.09 0 617.0165
18.38 0 616.5318
20.42 0 616.1073
23.09 0 615.504 BKF
25.84 0 615.0869
27.86 0 614.6053
30.02 0 614.3189
32.24 0 614.0592
34.19 0 613.7115
35.57 0 613.1102
36.55 0 611.3415
37.04 0 610.6066 LEW LCH
38.91 0 610.4122
40.69 0 610.2917
41.96 0 610.4172 TW
44.15 0 610.4943
46.66 0 610.453
49.33 0 610.4804
52.15 0 610.4581
55.06 0 610.6207
57.16 0 610.6216
59.3 0 610.5984
61.52 0 610.7239 REW
63.41 0 610.9284 RCH
64.73 0 612.3244
67.66 0 612.3819
70.15 0 612.1711
71.23 0 611.4231
72.8 0 611.0763
73.89 0 611.3788
75.51 0 612.3868
77.5 0 612.8823
79.69 0 615.2383
83.73 0 615.9769
86.75 0 616.7206
92.98 0 617.0452
Page 1

Briar xs 11 [Riffle]
97.68 0 617.2206
102.86 0 616.8721
107.28 0 617.4819
113.24 0 617.9455
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 620.71 620.71 620.71
Bankfull Elevation (ft) 615.5 615.5 615.5
Floodprone width (ft) 106.55 ----- -----
Bankfull width (ft) 58.01 31.3 26.7
Entrenchment Ratio 1.84 ----- -----
Mean Depth (ft) 3.48 3.39 3.6
Maximum Depth (ft) 5.21 5.21 4.92
width/Depth Ratio 16.65 9.23 7.43
Bankfull Area (sq ft) 202.13 106.11 96.01
wetted Perimeter (ft) 62.08 37.96 33.95
Hydraulic Radius (ft) 3.26 2.8 2.83
Begin BKF Station 23.12 23.12 54.42
End BKF Station 81.12 54.42 81.12
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen Modified Shields Curve
Channel Left Side Right side
slope
Shear Stress (lb/sq ft)
Movable Particle (mm)
Page 2
0
N
C I
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IL x
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Briar xS 12 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar Creek
Cross Section Name: Cross Section 12
Survey Date: 08/05/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE
---------- FS
- ELEV NOTE

0 ------------
0 ------------------
621.4291 -----------------------------
RIFFLE ST
3.29 0 621.56
6.12 0 621.5403
10.02 0 621.5235 LB
11.22 0 620.1609
12.59 0 619.1239
14.99 0 618.1701
16.85 0 617.7857
18.31 0 617.3252
20.35 0 617.1324
23.08 0 616.9427
26.2 0 617.2411
28.28 0 617.1733
29.78 0 616.3508
31.23 0 615.5985
32.45 0 614.4035
34.56 0 612.7777
35.69 0 611.3628
36.8 0 610.8868 LCH
38.87 0 610.4425 LEW
40.5 0 610.1176
41.94 0 609.9346 TW
44.61 0 610.0617
48.28 0 610.2614
50.85 0 610.3706
54.56 0 610.1286
57.4 0 610.1053
60.04 0 610.0625
61.57 0 610.307
63.74 0 610.04
65.55 0 609.9687
66.4 0 610.1597 REW RCH
68.2 0 610.6705
70.1 0 612.1276
72.8 0 613.3565
75.08 0 614.2074
76.04 0 614.8919
78.17 0 615.5534 BKF
81.29 0 615.7644
83.69 0 615.3804
87.32 0 615.6525
90.25 0 616.2044
93.13 0 616.7379
96.58 0 617.9296
108.2 0 619.6602 RB
Page 1
Briar XS 12 [Riffle]
----------------------------------------------------------------------
Cross sectional Geometry
-----------------------------------------------------------
Channel
Floodprone Elevation (ft) 621.17
Bankfull Elevation (ft) 615.55
Floodprone width (ft) 97.86
Bankfull width (ft) 50.2
Entrenchment Ratio 1.95
Mean Depth (ft) 4.05
Maximum De pth (ft) 5.62
Width/Dept h Ratio 12.41
Bankfull Area (sq ft) 203.14
wetted Perimeter (ft) 53.49
Hydraulic Radius (ft) 3.8
Begin BKF Station 31.28
End BKF Station 85.95
Left Right
621.17 621.17
615.55 615.55
22.61 32.06
4.62 3.58
5.62 5.58
4.9 7.71
104.4 98.74
29.9 34.35
3.49 2.87
31.28 53.89
53.89 85.95
--------------------------------------------------
Entrainment calculations
--------------------------------------------------
Entrainment Formula: Rosgen Modified Shields Curve
slope channel Left Side Right Side
Shear Stress (lb/sq ft)
Movable Particle (mm)
Page 2
a?
m
N
C I
O w
d x
U A
(0 <
U)
N
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3
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Briar xS 13 [Run]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Briar creek
cross section Name: Cross Section 13
Survey Date: 08/05/08
----------------------------------------------------------------------
Cross Section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
----------
0 -------------
0 -------------------
619.8091 ----------------------------
RUN START
3.01 0 619.9867
5.5 0 620.3148
8.51 0 620.2875 LB
10.89 0 619.7301
12.56 0 618.686
14.6 0 617.7364
16.39 0 616.9419
18.19 0 616.6315
18.9 0 616.2775
20.98 0 616.1349
21.72 0 614.5054 BKF
22.62 0 613.6535
23.25 0 612.2491
24.57 0 610.0247 LCH
25.22 0 610.0223 LEw
26.18 0 609.7824
27.64 0 609.508
31.27 0 609.3415 TW
34.89 0 609.4656
38.81 0 609.6335
42.65 0 609.7196
45.92 0 609.3752
48.77 0 609.461
50.68 0 609.3508
53.65 0 609.9216 REw RCH
54.35 0 611.9269
56.36 0 612.2336
57.78 0 612.505
59.02 0 613.0754
61.38 0 614.068
64.06 0 613.6618
72.12 0 613.0518
74.52 0 613.0606
77.58 0 614.438
79.95 0 616.1504
84.5 0 618.2419
87.03 0 618.7335 RB
89.27 0 619.4106
92.4 0 619.7973
97.13 0 619.4133
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
Page 1
Briar XS 13 [Run]
Channel Left Right
Floodprone Elevation (ft) 619.68 619.68 619.68
Bankfull Elevation (ft) 614.51 614.51 614.51
Floodprone width (ft) 83.73 ----- -----
Bankfull width (ft) 55.96 20.64 35.32
Entrenchment Ratio 1.5 ----- -----
Mean Depth (ft) 3.25 4.55 2.49
Maximum De pth (ft) 5.17 5.17 5.16
width/Dept h Ratio 17.23 4.54 14.18
Bankfull Area (sq ft) 181.8 93.82 87.98
wetted Perimeter (ft) 60.79 28.02 42.36
Hydraulic Radius (ft) 2.99 3.35 2.08
Begin BKF Station 21.72 21.72 42.36
End BKF Station 77.68 42.36 77.68
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
slope Channel Left Side Right side
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2
cn L m co
= Y F
v 3 co z z
W
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W
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0
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Museum XS 1 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Museum Branch
Cross Section Name: Cross Section 1
Survey Date: 07/30/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
----------
0 -------------
0 -------------------
626.4922 ----------------------------
RIFFLE
2.14 0 626.4932
5.85 0 626.5593
8.07 0 626.5577
10.38 0 626.5395
12.94 0 626.5097
15.37 0 626.5083
17.21 0 626.3101 LB
19.26 0 625.7878
21.4 0 625.0212
23.16 0 624.4306
24.83 0 623.722
26.39 0 622.9673 BKF
28.02 0 622.323 LCH
29.12 0 621.8002
29.92 0 621.6964 LEw
30.66 0 621.6234 TW
31.45 0 621.6964 REw
32.2 0 621.8511
33.38 0 622.2073 RCH
36.06 0 623.2482
38.15 0 624.0581
39.92 0 624.6306
42.13 0 625.2936
44.2 0 625.9555
46.27 0 626.6897
48.53 0 627.0748 RB
51.32 0 626.857
54.94 0 626.6842
58.52 0 626.628
62.89 0 626.2766
----------------------------------------------------------------------
Cross Sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 624.32 624.32 624.32
Bankfull Elevation (ft) 622.97 622.97 622.97
Floodprone width (ft) 15.52 ----- -----
Bankfull width (ft) 8.96 4.48 4.48
Entrenchment Ratio 1.73 ----- -----
Mean Depth (ft) 0.81 0.84 0.79
Maximum Depth (ft) 1.35 1.35 1.33
width/Depth Ratio 11.05 5.35 5.7
Page 1
Museum xS 1 [Riffle]
Bankfull Area (sq ft) 7.27 3.74 3.52
wetted Perimeter (ft) 9.43 6.06 6.02
Hydraulic Radius (ft) 0.77 0.62 0.59
Begin BKF Station 26.38 26.38 30.86
End BKF Station 35.34 30.86 35.34
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
slope Channel Left Side Right Side
Shear Stress (lb/sq ft)
Movable Particle (mm)
Page 2
rn
QD
y II
C W
'o x
<
7
N
m
3
Boo.
O
O
N
U)
X W
`o x
UC
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L c
00 N
co
E
W
2
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x
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tD CD w (D co
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N
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Do
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0
O
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co
co co
N
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N
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N
00
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0
O
N
O
Museum XS 2 [Pool]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Museum Branch
cross section Name: Cross Section 2
Survey Date: 07/23/08
------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
-------------
0 -------------
0 ----------------
626.4729 ----------------------------
POOL
1.5 0 626.6783
3.55 0 626.7176
5.88 0 626.7501
8.11 0 626.7758
10.16 0 626.775
12.19 0 626.7167
14.62 0 626.7673
16.71 0 626.7387
19.59 0 626.6094
20.6 0 626.4957 LB
22.39 0 626.1185
23.91 0 625.5115
25.43 0 625.0587
27.41 0 624.3442
29.18 0 623.4615
30.53 0 622.8365
31.81 0 622.2522
32.57 0 621.7806 LCH
33.36 0 621.6049 LEw
34.05 0 621.5056
34.77 0 621.4811 TW
35.75 0 621.6049 REw
36.13 0 621.6912
37.13 0 621.9879 RCH
38.65 0 622.8053 BKF
40.32 0 623.5274
42.25 0 624.2349
44.73 0 625.0423
46.74 0 625.7545
48.8 0 626.5713
50.65 0 627.1949
52.12 0 627.426 RB
54.02 0 627.5032
56.11 0 627.3952
59.76 0 627.4046
68.79 0 626.8378
----------------------------------------------------------------------
Cross Sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 624.14 624.14 624.14
Bankfull Elevation (ft) 622.81 622.81 622.81
Page 1
Floodprone width (ft)
Bankfull width (ft)
Entrenchment Ratio
Mean Depth (ft)
Maximum Depth (ft)
width/Depth Ratio
Bankfull Area (sq ft)
wetted Perimeter (ft)
Hydraulic Radius (ft)
Begin BKF Station
End BKF Station
museum XS 2 [Pool]
14.17 ----- -----
8.07 4.03 4.04
1.75 ----- -----
0.86 0.85 0.86
1.33 1.32 1.33
9.41 4.72 4.69
6.92 3.44 3.48
8.62 5.64 5.63
0.8 0.61 0.62
30.59 30.59 34.62
38.66 34.62 38.66
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
slope channel Left side Right side
shear stress (lb/sq ft)
Movable Particle (mm)
Page 2
,It
(0
N
y I I
C W
o x
a p
? a
U
CO
7
N
?N
_W
M
X ` w
O x
CU
U,o
c w
L Y
c
CO m
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L m
m
II
W
x
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C ?
O
a
c
0
M N co N
CO CD C0 CO
CD LO
N N
co cc
(11) u011ena19
0
(0
CD
N
N
Cn
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v
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C
O
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N
co
co
N p
v ()
N
O
N
O
r
co
v

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04 C14 cli CN
CD CD co f0 co
Museum XS 3 [Riffle]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Museum Branch
Cross Section Name: Cross Section 3
Survey Date: 07/23/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE FS ELEV NOTE
----------
0 -------------
0 ------------------
626.7462 -----------------------------
RIFFLE
3.62 0 626.7002
7.18 0 626.6277
8.91 0 626.6258 LB
11.36 0 626.2298
12.76 0 625.5852
14.8 0 624.7179
16.25 0 624.0028
17.94 0 623.2643
19.43 0 622.5989
21.13 0 621.6327 LCH
22.1 0 621.3908
22.72 0 621.2565 LEW
23.77 0 621.1992 TW
24.61 0 621.2565 REW
25.45 0 621.4584
26.33 0 621.697 RCH
27.88 0 622.507 BKF
28.34 0 622.7468
30.58 0 623.6423
32.76 0 624.4004
35.18 0 625.1484
37.13 0 625.9368
39.54 0 626.6158
43.02 0 627.5102 RB
46.57 0 627.7051
50.14 0 627.4
53.54 0 626.9072
57.94 0 626.5679
62.43 0 626.3397
----------------------------------------------------------------------
Cross Sectional Geometry
----------------------------------------------------------------------
Channel Left Right
Floodprone Elevation (ft) 623.82 623.82 623.82
Bankfull Elevation (ft) 622.51 622.51 622.51
Floodprone width (ft) 14.43 ----- -----
Bankfull width (ft) 8.3 4.13 4.17
Entrenchment Ratio 1.74 ----- -----
Mean Depth (ft) 0.87 0.89 0.86
Maximum Depth (ft) 1.31 1.31 1.31
width/Depth Ratio 9.53 4.67 4.87
Bankfull Area (sq ft) 7.23 3.66 3.56
Page 1
Museum xS 3 [Riffle]
Wetted Perimeter (ft) 8.83 5.72 5.73
Hydraulic Radius (ft) 0.82 0.64 0.62
Begin BKF Station 19.59 19.59 23.72
End BKF Station 27.89 23.72 27.89
---------------------------
Entrainment calculations
--------------------------- ----------

---------- -------

------- --------------------------

--------------------------
Entrainment Formula: Rosgen modified shields curve
Channel Left side Right side
slope
Shear Stress (lb/sq ft)
Movable Particle (mm)
Page 2
rN
C W
'o x
d p
N Q
U
(0
7
co
3
poll
o
O
X W
O X
p
U
U
c w
ML Y
t0
W C
co
E
W
N
G
II
W
x
rn p
c ?
'o
a
C
7
O
U
O
C, a) 00 rl
co CND co CND
D C
N N
C D
(4) u01lena13
N
r-
M
CD
(D
O
CD
cD
Ln
N
co
v
0
O _
co
N
co
O
co
??
N U)
N
O
N
O
co
R
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(ND CND co NCNO CND
Museum XS 4 [Pool]
RIVERMORPH CROSS SECTION SUMMARY
River Name: Briar Creek
Reach Name: Museum Branch
Cross Section Name: Cross Section 4
Survey Date: 07/23/08
----------------------------------------------------------------------
Cross section Data Entry
BM Elevation: 0 ft
Backsight Rod Reading: 0 ft
TAPE
-- FS ELEV NOTE
--------
0 --------------
0 -----------------
626.8396 -----------------------------
POOL
7.96 0 626.8766
10.91 0 626.9233
14.29 0 626.8661
18.26 0 626.8611
20.84 0 626.7522
23.03 0 626.7496 LB
24.85 0 626.477
26.14 0 625.8327
27.64 0 625.3025
29.53 0 624.5419
31.19 0 623.6566
33.07 0 622.8382
34.37 0 622.1788
35.67 0 621.5244 LCH
36.58 0 621.2162
36.91 0 621.1772 LEW
38.06 0 621.048 Tw
39.1 0 621.1772 REW
39.55 0 621.2406
40.89 0 621.559 RCH
41.8 0 622.23
42.1 0 622.38 BKF
42.63 0 622.6361
44.47 0 623.4342
46.67 0 624.3385
48.41 0 624.9961
50.87 0 625.9498
52.75 0 626.6972
55.82 0 627.6676 RB
58.67 0 627.9544
61.8 0 627.7839
64.54 0 627.4152
69.3 0 626.9767
----------------------------------------------------------------------
Cross sectional Geometry
----------------------------------------------------------------------
channel Left Right
Floodprone Elevation (ft) 623.71 623.71 623.71
Bankfull Elevation (ft) 622.38 622.38 622.38
Floodprone width (ft) 14.06 ----- -----
Bankfull width (ft) 8.13 4.08 4.05
Entrenchment Ratio 1.73 ----- -----
Page 1
Museum xs 4 [Pool]
Mean Depth (ft) 0.88 0.85 0.9
Maximum Depth (ft) 1.33 1.33 1.33
width/Depth Ratio 9.28 4.78 4.51
Bankfull Area (sq ft) 7.12 3.48 3.64
wetted Perimeter (ft) 8.7 5.67 5.69
Hydraulic Radius (ft) 0.82 0.61 0.64
Begin BKF station 33.97 33.97 38.05
End BKF Station 42.1 38.05 42.1
----------------------------------------------------------------------
Entrainment calculations
----------------------------------------------------------------------
Entrainment Formula: Rosgen modified shields curve
slope Channel Left side Right Side
Shear Stress (lb/sq ft)
Movable Particle (mm)
Page 2
0
0
0
0
a--0
C
U
a?
U
N
Y
ia)
L
U
L
co
L-
m
0
0
0
0
0
E
E
(D
_N
U)
U_
c6
a-

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0
(%) aaui-I IUGOJGd
O co ((O It N
Briar Reach 1 PC
RIVERMORPH PARTICLE SUMMARY
----------------------------------------------------------------------
River Name: Briar Creek
Reach Name: Briar Creek
Sample Name: Reach 1
survey Date: 08/04/08
Size (mm)
--- TOT # ITEM % CUM %
----------------
0 - 0.062 --------------
2 ----------
2.00 ---------------------------
2.00
0.062 - 0.125 1 1.00 3.00
0.125 - 0.25 4 4.00 7.00
0.25 - 0.50 17 17.00 24.00
0.50 - 1.0 15 15.00 39.00
1.0 - 2.0 7 7.00 46.00
2.0 - 4.0 0 0.00 46.00
4.0 - 5.7 0 0.00 46.00
5.7 - 8.0 0 0.00 46.00
8.0 - 11.3 0 0.00 46.00
11.3 - 16.0 1 1.00 47.00
16.0 - 22.6 2 2.00 49.00
22.6 - 32.0 6 6.00 55.00
32 - 45 7 7.00 62.00
45 - 64 5 5.00 67.00
64 - 90 7 7.00 74.00
90 - 128 8 8.00 82.00
128 - 180 8 8.00 90.00
180 - 256 2 2.00 92.00
256 - 362 3 3.00 95.00
362 - 512 0 0.00 95.00
512 - 1024 0 0.00 95.00
1024 - 2048 0 0.00 95.00
2048 - 5 5.00 100.00
D16 (mm) 0.38
D35 (mm) 0.87
D50 (mm) 24.17
D84 (mm) 141
D95 (mm) 362
D100 (mm) 2048
silt/clay (%) 2
Sand (%) 44
Gravel (%) 21
Cobble (%) 25
Boulder (%) 3
Bedrock (%) 5
Total Particles = 100.
Page 1
C
0
U
a?
..Q
.n
N
U
(Cf
N
Y
L
U
L
co
0
0
0
E
E
a)
_N
U)
a)
_U
m
IL
(%) aaui-? Iu90aad
Briar Reach 2 PC
RIVERMORPH PARTICLE SUMMARY
----------------
River Name: -----------------
Briar Creek ---------- ---------------------------
Reach Name: Briar Creek
Sample Name: Reach 2
Survey Date: 08/04/08
----------------
Size (mm)
-------------- -----------------
TOT # ----------
ITEM % ---------------------------
cum %
---
0 - 0.062 ----------------
2 ----------
1.98 ---------------------------
1.98
0.062 - 0.125 3 2.97 4.95
0.125 - 0.25 17 16.83 21.78
0.25 - 0.50 11 10.89 32.67
0.50 - 1.0 2 1.98 34.65
1.0 - 2.0 0 0.00 34.65
2.0 - 4.0 2 1.98 36.63
4.0 - 5.7 0 0.00 36.63
5.7 - 8.0 3 2.97 39.60
8.0 - 11.3 1 0.99 40.59
11.3 - 16.0 1 0.99 41.58
16.0 - 22.6 9 8.91 50.50
22.6 - 32.0 4 3.96 54.46
32 - 45 6 5.94 60.40
45 - 64 3 2.97 63.37
64 - 90 9 8.91 72.28
90 - 128 9 8.91 81.19
128 - 180 14 13.86 95.05
180 - 256 5 4.95 100.00
256 - 362 0 0.00 100.00
362 - 512 0 0.00 100.00
512 - 1024 0 0.00 100.00
1024 - 2048 0 0.00 100.00
2048 - 0 0.00 100.00
D16 (mm) 0.21
D35 (mm) 2.35
D50 (mm) 22.23
D84 (mm) 138.54
D95 (mm) 179.81
D100 (mm) 256
Silt/Clay (%) 1.98
Sand (%) 32.67
Gravel (%) 28.72
Cobble (%) 36.63
Boulder (%) 0
Bedrock (%) 0
Total Particles = 101.
Page 1
4--0
C
I
O
U
W
W
^,
co
W
W^,
W
L-
C)
L
cu
ML
W
0
0
0
0
E
E
N
N_
C/)
_U
cu
0-
W JOUIJ IUGOJ9d
Briar Reach 3 PC
RIVERMORPH PARTICLE SUMMARY
----------------
River Name: -----------------
Briar Creek ---------- ---------------------------
Reach Name: Briar Creek
Sample Name: Reach 3
Survey Date: 08/04/08
----------------
Size (mm)
--------- -----------------
TOT # ----------
ITEM % ---------------------------
CUM %
--------
0 - 0.062 ----------------
2 ----------
1.94 ---------------------------
1.94
0.062 - 0.125 0 0.00 1.94
0.125 - 0.25 4 3.88 5.83
0.25 - 0.50 24 23.30 29.13
0.50 - 1.0 11 10.68 39.81
1.0 - 2.0 13 12.62 52.43
2.0 - 4.0 0 0.00 52.43
4.0 - 5.7 1 0.97 53.40
5.7 - 8.0 0 0.00 53.40
8.0 - 11.3 2 1.94 55.34
11.3 - 16.0 7 6.80 62.14
16.0 - 22.6 10 9.71 71.84
22.6 - 32.0 12 11.65 83.50
32 - 45 2 1.94 85.44
45 - 64 3 2.91 88.35
64 - 90 2 1.94 90.29
90 - 128 1 0.97 91.26
128 - 180 7 6.80 98.06
180 - 256 2 1.94 100.00
256 - 362 0 0.00 100.00
362 - 512 0 0.00 100.00
512 - 1024 0 0.00 100.00
1024 - 2048 0 0.00 100.00
2048 - 0 0.00 100.00
D16 (mm) 0.36
D35 (mm) 0.77
D50 (mm) 1.81
D84 (mm) 35.35
D95 (mm) 156.6
D100 (mm) 256
Silt/Clay (%) 1.94
Sand (%) 50.49
Gravel (%) 35.92
Cobble (%) 11.65
Boulder (%) 0
Bedrock (%) 0
Total Particles = 103.
Page 1
Particle Size Distribution Report
C . e C C C
LL
w
Z
U-
I-
Z
W
U
or_
W
11
- - -
t0 M N \ r n t}
m iG qt
it 3! x 4t 7t # x
00

90
I
I
I
I
I I
I
I
I
I
I
I I
I

80 I
I I I
I I
I I I
I I I I I
I I
I I
I I
I I I
I I I
I

70 I
I I
I I I I I
I I
I I I I
I I I
I I I
I

60 I
I I
I I
I I I I I
I I I I
I I
I I
I I
I I I
I I I
I

50 I

I I I

I I

I I I

I I I

I I

I I

I I I

I I

I

40 I
I I
I I
I I
I I I
I I I
I I
I I
I I
I I I
I I I
I

30 I
I I
I I I
I I
I I I I
I I I ? I
I I
I I
I I I
I I I
I

20 I I I I I I I I I I I I I I

10 I
I I
I I
I I
I I I I
I I I I
I I I
I I
I I I
I I I
I

0 I
I I I
I I
I I I I
I I I
I I
I
I I I I I
v.I U.UI U.UUI
(no specification provided)
Sample Number: X.S.4
Location: Reach 1 Date: 10-6-08
MACTEC Engineering and Consulting, Inc. Client: Wildlands
Project: Wildlands
Charlotte, North Carolina Project No: 6234-08-4832 Fi ure -og
% +3„ % Gravel
Coarse Fine
27.9 21.2
SIEVE
SIZE PERCENT
FINER SPEC.
PERCENT PASS?
(X=NO)
3in. 83.5
2.5in 83.5
1.5in. 77.7
lin. 63.1
3/4in. 55.6
3/8in. 42.5
#4 34.4
#10 25.9
#20 14.1
#40 5.4
#60 2.7
#100 1.5
#140 1.1
#200 0.9
VrV111V JILC -
% Sand
Coarse Medium
8.5 20.5
% Fines
Fine slit
4.5 0.9
Material Description
Atterbera Limits
PL= LL= P1=
Coefficients
D85= D60= 22.8879 D50= 14.5785
D30= 2.9433 D15= 0.9004 DSO= 0.6364
Cu= 35.97 Cc= 0.59
Classification
USCS= GP AASHTO=
Remarks
Diameter of 3 largest particles
3.90 in, 2.51 in, 2.11 in
Tested By: D Kopitsky Checked By: J Alexander
Particle Size Distribution Report
w
z
Iw
?w
a-
?? ?? ?
t0 M N r r n ? m o
07 ? it 00t0e,, (o?p $?
? ? it ak it it o
?
00

90
I
I
I
I
I I
I
I I
I I
I I
I I I
I I I
I

80 I
I I
I I
I I
I I I
I I I
I I
I I
I I
I I
I I I
I I I
I

70 I I I I I I I I
I I
I I I
I I I
I I I

60 I
I I
I I
I I
I I I
I I I
I I
I I
I I
I I
I I I
I I I
I

5o I
I I I
I I
I I I I
I I I I
I I
I I I I
I I
I

40 I
I I
I I I
I I I I
I 11 I
I I
I I
I I
I I I
I I I
I

30 I
I I
I I
I
I I I
I I I
I f
I I
I I
I I I
I I I
I

20 I I I I I I I I I I I I I

10 I
I I
I I
I I I
I I I I
I I
I I
I I
I I
I I I
I I I
I

0 I I
I I
I I I
I I I I
I I
I I
I I I I I I
%, +3"
SIEVE
SIZE PERCENT
FINER SPEC."
PERCENT PASS?
(X=NO)
3in. 53.1
2.5in 53.1
1.5in. 43.7
lin. 37.3
3/4in. 34.9
3/8in. 26.4
#4 19.6
#10 14.1
#20 8.3
#40 2.8
#60 1.3
#100 0.9
#140 0.8
#200 0.7
Material Description
Atterbera Limits
PL= LL= P1=
Coefficients
D85= D60= D50= 50.6342
D30= 12.5389 D15= 2.3133 D10= 1.0545
Cu= Cc=
Classification
USCS= GP AASHTO=
Remarks
Diameter of 3 largest particles
5.31 in, 2.46 in, 1.78 in
(no specification provided)
Sample Number: X.S.9
Location: Reach 2 Date: 10-6-08
MACTEC Engineering and Consulting, Inc. Client: Wildlands
Project: Wildlands
Charlotte, North Carolina Project No: 6234-08-4832 Fi ure to .(,.o2
"- U.I u.ul u.0ot I
nnn??i nwr
171V111V JILC' 111111.
% Gravel % Sand % Fines
Coarse Fine Coarse Medium Fine silt
18.2 15.3 5.5 11.3 2.1 0.7
Tested By: D Kopitsky Checked By: J Alexander

100
90
80
7C
N
LL
W 6C
Z
u-
Z 5C
W
U
W 4C
M
3C
2(
1C
C
SIEVE
SIZE PERCENT
FINER SPEC!
PERCENT PASS?
(X=NO)
3in. 100.0
2.5in 100.0
1.5in. 80.6
lin. 74.0
3/4in. 66.7
3/8in. 50.4
#4 40.5
#10 29.8
#20 18.8
#40 8.8
#60 4.1
#100 2.0
#140 1.4
#200 1.1
Particle Size Distribution Report
C C C\ C = ?!!
1p N r r n t R Q O
0 # # N 0 OQ 0 O Q
# # # # # # N
#
? I ? ? ? ? ? ? ? I I I I I

I I I I I I I I I I
? ? I I ? ? ? ? I I I I I
I
I ? ? ? ? ? I I I I I I I
?
4
4 ? I
1 I
1 I
i ? ? I l 1 1 1
i
-
?
? I
?
? I
? I
I I I
I I I
I ?
? ?
? I
I I
I I I
I I I
I
? ? I I I ? ? ? I
I I I I I I
I
?
? I
? I I
? ?
?
I
?
I I
I I I
I I
I

IUU IV 1 U.1 U.UI U.UUI
GRAIN SIZE - mm.
% +3" % Gravel % Sand % Fines
Coarse Fine Coarse Medium Fine Silt Clay
0.0 33.3 26.2 10.7 21.0 7.7 1.1
Material Description
Atterbera Limits
PL= LL= PI=
Coefficients
D85= 42.7465 D60= 14.8096 D50= 9.3183
D30= 2.0255 D15= 0.6598 DSO= 0.4672
Cu= 31.70 Cc= 0.59
Classification
USCS= GP AASHTO=
Remarks
Diamter of 4 largest particles
2.44 in, 2.32 in, 2.23 in, 1.64 in
(no specification provided)
Sample Number: X.S.12
Location: Reach 3 Date: 10-6-08
MACTEC Engineering and Consulting, Inc. Client: Wildlands
Project: Wildlands
Charlotte, North Carolina Project No: 6234-08-4832 Figure to-16-o$
Tested By: D Kopitsky Checked By: J Alexander
MAC ` E C
]data Testing Sheet For Wash 200 Grain Size Anal sis
ASTM D6913-04
Project No. ?a3 `a%-LI 43 a, Tested B
Project Name W ; --IC,% S Test Date fGop} ?
R
Boring No. 10-1-0
Reviewed By 30,
Sample Depth - Review Date 10-6.0%
Sample No, MACTEC Lab Location _C'WL7
Assignment Sheet Date --
Tare ID
Tare WT d ?rcr. e?-tr a >< 3 (g) ?erevS}'
Dry Soil + Tare (b) 3. G I1 /
Dry Soil WT (g) 13? 'a a •S ?1
a, l J . n

Sieve #
Sieve M # Weight
Retained

(Grams) °
?0
Retained %

. Passing

Specifications
3 inch `t y8. 16. ej Q 3.
2,S inch t:t 948.*7 16.5 93. S
1 1 /2 -
inch
ra go. c
a a•
77.
l inch a(17,1 G3_ I
3/4-inch # ,A a15 5-71 4"4 -
rJs,?
3/8 - inch 14 Li Li 3 91 r- 5-75
ya• S
# 4 i4 Ll: 37 1.3 C5.6 311, y
L #10 ?
?
P 156
k?Yg.S i
7y 1 i
aS 5?
4- 20 Se- ji ?9a? y 1 ?r.
1140 ?t? 5H it ?
i 60 J??j?ba.'a 7• a. -7
100 56?I.p 5g. 5 I. S
# 740
# 200 J6$7.o 5 g, ?, 9

MAC TE c
Data Testing Sheet For Wash 200 Grain'Size Analysis
ASTM D6913-04
Project No. Ga3k-oA-493'a Tested By
Project Name W, I Test Date
Boring No, (eavh a Reviewed By
Sample Depth Review Date
Sample No, MACTEC Lab Location
Assignment Sheet Date
Tare ID `-?
Tare WT (g)
Dry Soil + Tare (g) -
Dry Soil WT (b) Q ;t
0 IZOK sl
?O-a-o SL
?A
la$-off
a.ti6 :n

Sieve #
Fsleve ID #
?K Weight
Retained
(Grams) °
?0

Retained %

Passing

pecifications
3 - inch 9
1
!E3.

. inch
29-L
0
Ei6.
53./ ?
1 1/2-
inch
i4 C)
3'1s'v• 9
X6.3
4 ?
l -inch j L 3 3?sy , 6 37.
3/4 -inch y a 35CIO, 1 65. ?l. 9 ?
3/8 -inch # y 43 ??, 0 _ a6.
# 4 ?, 5 ksas. ?, c? 11. C °?
n to '59
Saba.
??.
?. I
20 Sef Jq, 6baa, 7 1 '1,
4 40
X60
100 ffi 4
#140

?cio 7?

MACTEC
Data Testing Sheet For Wash 200 Grain Size Analysis
ASTM D6913-04
Project No. (013 t1--hB3a Tested By
oR?SI?
Project Name ?; l d I e„ Test Date /U-)„Bg
Boring No. ?eaGh 3 Reviewed By
Sample Depth Review Date
Sample No. MACTEC Lab Location )v-6 0$
Assignment Sheet Date -? _C h} L7
Tare ID d i Cr-Oar, O f Li I r-r
Tare WT (g)
Dry Soil + Tare (g) 07. aT3 ;n
Dry Soil WT (g) ?aSa.

Sieve #
Sieve ID 4 Weight
Retained
(Grams) °
?°

Retained
%

Passing

pecifications
3 - inch
in ch
1 112-
inch
,
g0.6
I - inch 1366 a .
6 7 4,
3/4 - inch y a 1147.9 33. Cc
3/8 - inch # Iq y a,CO%, Li • G
$ O. 4
#4 # 117 31a?.?, S .S L10.S
n to ?
'5 t;
'a
3c.G
7a.a
a9.g ?i
?
20 Sc #i ?a SS ! . 'a I S . g J
40 ?, 7g5, ?. g• g
;? 60 '037. 25J J. ?
100
?) y9 2,
?S o
a. o
#'740
# 200 5193.x, 9 g. 1. 1 ?
E ui lent used Equipment ID #
GI "3ga6
'N?
Appendix B:
Representative Photographs
tbi' ?!-.. aa? ? ? i?''... • ?4??,^-,?.?i a ;? ? `4r?? pied-'?-'.

a

p

Photo 1- View of Briar Creek XS 1 (Pool), facing downstream. Photo 2-View of Briar Creek XS 3 (Riffle), facing
downstream.

4
Photo 3-View of Briar Creek XS 6 (Riffle), facing
W
Photo 5- View of Briar Creek XS 12 (Riffle), facing
downstream.
1 ? yr
} _. ..
HM
Photo 6-View of Briar Creek XS 13 (Run), facing
downstream.
Wildlands Engineering Page 1
Briar Creek Enhancement - Representative Photographs July 1, 2009

4
4

- .mss i .c' Tr
t.

Photo 7-View of Museum Drive Tributary XS 1, facing Photo 8-View of Museum Drive Tributary facing downstream
u stream to Museum Drive. to ex
iistin i e system.
tF
}
I M 3
I1

a

AW _, Y • •""c

777111
.
lY t ?f ` ' , ' 'tea

Y y
7 a
+? T
i 1 t yt Y

Photo 9-Vice of bed rock outcropping, Briar Creek Reach 1. Photo 10-View of eroding left bank, Briar Greek Reach 1.

r•
?I
f
t ?rlSes ,.%.. ?.
_
?, ?e k ? ,sr•
•
,
?
r
px ._
?
? ? `'
^
??? ? ? i AE`s- ..Y .
L.
T''y'
'
T?
?

_Y
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? 4 •?' ?
•
? ?
?
r ..
?tj::.4 .,
r
.?
yl
? ?..,F
.
•
.?
i f
?
yf
T?
.yq
Photo 11- View of eroding left bank and UT1 confluence with Photo 12-View of eroding left bank, along Briar Creek Reach
Briar Creek Reach 1. 2.
Wildlands Engineering Page 2
Briar Creek Enhancement - Representative Photographs July 1, 2009

CIL
r

s

Photo 13-View of mid-channel bar formation and invasive Photo 14- Vicw of newly constructed sanitary sewer along left
riparian vcr*ctation, Briar C'rcek Rcach 2. bank of Briar Creck Reach 2.
.,'! ?,•L Tit"?? 'y?..ri,??i. i,. :R;?
4
l
t
;
i

??441C -1
y • aA?S
^.L
Photo 14- View of eroding banks and large mid-channel bars, Photo 15- View of eroding banks and large mid-channel bars,
Briar Creek Reach 3, facing downstream. I Briar Creek Reach 3, facing ;am.
Page 3
July 1, 2009
Appendix C:
Restoration Plan Sheets
Appendix D:
City of Charlotte MBI General Provisions

I t
4*> -
4'
VIITOA,
rt.r
A-A
"AFT, 4 1,
7
.' t' 4r 2 :`, Owner. Museum Plaza II, LLC
'F
PID
' 15515117 .?
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3 NO-
00
.Owner: Museum Plaza One, LP
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PID 15515116 '
g °
v Rd Owner: Mecklenburg Co
PID 15515103
n
Le l
r *?` Owner: Museum Plaza II, LLC
'r PID 15515118
4,4 F
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04 r?
Y war ,
r
a? Q? ? J _ iss ? ,
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.•+ 4 Spa' ...
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all
+ ' ? ? a a :;t Owner Eastover Ridge, LLC f'
PID 15515102
n
j
411.
} Y
L V
le'a9 a to I
Museum Drive Tributary - Streams
Figure D-1. Conservation Parcels
Reach 1 -Proposed Conservation Easement Briar Creek
Reach 2 Proposed Stream Alignment Randolph to Providence
Reach 3
WILDLAN-DS 0 150 300 600
eet Mecklenburg County, NC
AGREEMENT TO ESTABLISH
THE CITY OF CHARLOTTE
UMBRELLA STREAM AND WETLAND MITIGATION BANK
IN MECKLENBURG COUNTY, NORTH CAROLINA
This Agreement to establish a Mitigation Bank (hereinafter called the "Mitigation Banking
Instrument" or "MBI", is made and entered into this _ day of , 2003, by and
between the City of Charlotte ("Sponsor"), and the U. S. Army USACE of Engineers
("USACE"), the Environmental Protection Agency ("USEPA"), the U.S. Fish and Wildlife
Service ("USFWS"), the North Carolina Wildlife Resources Commission ("NCWRC"), and the
North Carolina Division of Water Quality ("NCDWQ"). The Corps, together with the State and
Federal agencies that execute this MBI, are hereinafter collectively referred to as the Mitigation
Bank Review Team, "Review Team" or "MBRT".
WHEREAS the purpose of this Agreement is to establish an umbrella mitigation bank
(Umbrella Bank) providing compensatory mitigation for unavoidable stream and wetland
impacts separately authorized by Section 404 of the Clean Water Act and Section 10 of the
Rivers and Harbors Act permits in appropriate circumstances; and
WHEREAS the Sponsor retains legal rights to create stream and wetland mitigation banks
(Bank Sites) in Mecklenburg County and is developing plans to establish and/or maintain stream
and non-tidal emergent, scrub-shrub, and forested wetland communities at future project sites
(Bank Sites). This MBI provides that Bank sites shall become a part of the mitigation bank upon
written approval of the site specific mitigation plan for such site by the MBRT, acting through
the USACE.
WHEREAS the Sponsor will be the record owner of conservation easements of certain parcels of
land located in Mecklenburg County, North Carolina, described in Bank Site Specific Mitigation
Plan (Mitigation Plan)/MBI Addendums.
WHEREAS the agencies comprising the MBRT agree that the Umbrella Bank and its general
provisions are suitable for future inclusion of mitigation bank sites, and that implementation of
Site Specific Mitigation Plans is likely to result in net gains in stream and wetland functions at
the Bank Sites, and have therefore approved the use of this MBI;
THEREFORE, it is mutually agreed among the parties to this Agreement that the following
provisions are adopted and will be implemented upon signature of this MBI.
General Provisions
1. The goal of the Umbrella Bank is to restore, enhance, create and preserve stream and/or
non-tidal stream and wetland systems and their functions and values to compensate in
appropriate circumstances for unavoidable stream and wetland impacts authorized by Section
404 of the Clean Water Act and Section 10 of the Rivers and Harbors Act permits in
circumstances deemed appropriate by the USACE after consultation, through any applicable
permit review process, with members of the MBRT.
2. Use of credits from the Umbrella Bank to offset stream or wetland impacts authorized by
Clean Water Act permits must be in compliance with the Clean Water Act and implementing
regulations, including but not limited to the 404(b)(1) Guidelines; the National Environmental
Policy Act and all other applicable Federal and State legislation, rules and regulations. This
agreement has been drafted following the guidelines set forth in the proposed " Federal Guidance
for the Establishment, Use and the Operation of Mitigation Banks," 60 Fed. Reg. 58605,
November 28, 1995 (Guidance).
3. The MBRT shall be chaired by the representative of the USACE, Wilmington District.
The MBRT shall review site-specific mitigation plans, and monitoring and accounting reports as
described below. In addition, the MBRT will review proposals for remedial actions proposed by
the Sponsor, or any of the agencies represented on the MBRT. The MBRT's role and
responsibilities are more fully set forth in Sections Il. C. 3 and 6 of the Guidance. The MBRT
will work to reach consensus on its actions.
4. The USACE, after consultation with the appropriate Federal and State review agencies
through the applicable permit review process, shall make final decisions concerning the amount
and type of compensatory mitigation to be required for unavoidable, permitted wetland or stream
impacts, and whether or not the use of credits from the Umbrella Bank is appropriate to offset
those impacts. In the case of permit applications and compensatory mitigation required solely
under the Section 401 Water Quality Certification rules of North Carolina, the N.C. Division of
Water Quality (NCDWQ) will determine the amount of credits that can be withdrawn from the
Umbrella Bank.
5. The parties to this Agreement understand and agree that, where practicable, on-site, in-
kind compensatory mitigation is preferred, unless use of the Umbrella is determined by the
USACE to be environmentally preferable.
Mitigation Plan
6. A detailed description of the baseline conditions for each Bank Site will be contained in
the Site Specific Mitigation Plans.
7. The Sponsor agrees to perform all necessary work, in accordance with the provisions of
the Mitigation Banking Instrument and approved Site Specific Mitigation Plans, to establish and
/or maintain the Bank Sites, until (i) credits have been exhausted or banking activity is
voluntarily terminated with written notice by the Bank Sponsor provided to the USACE and
other members of the MBRT, in compliance with Paragraph 9, below and (ii) it has been
determined that the debited Bank has satisfied all the conditions herein and in the Site Specific
Mitigation Plans.
8. Site Specific Mitigation Plan: Site Specific Mitigation Plans shall be submitted to the
MBRT for review and written approval for each stream and/or wetland Bank Site proposed as
part of the Umbrella Bank. The MBRT shall make best efforts to review and comment on all
submittals within 60 days of receipt of such submittal. The Site Specific Mitigation Plan shall
include a detailed discussion of the goals and objectives of the site, ownership of the bank lands,
the size (acreage and/or linear footage) of wetlands, streams, or other aquatic resources proposed
for inclusion at the Bank Site, site conditions and location, mitigation design plans, preservation
mechanisms, credit ratios, success criteria, phasing, accounting, monitoring plan, financial
assurances, preliminary title opinion, and long-term maintenance provisions.
9. In the event the Site Specific Mitigation Plan is not approved, the MBRT shall provide
the Sponsor with specific reasons or rationale for not approving the site. Subsequently, the
Sponsor may resubmit the Site Specific Mitigation Plan with specific modification or
justification that addresses the MBRT concerns. In the event of approval, in the form of a letter
from the USACE, acting on behalf of the MBRT, the Bank Site shall be deemed a portion of the
Bank and credits shall be released consistent with the schedule of credit availability in the MBI.
Due to fluctuations in credit demand, certain sites may be left undeveloped or withdrawal of the
site from the Bank may be permissible if no pre-sale or other credits have been debited from the
site. The Sponsors must provide written notice to the MBRT proposing to withdraw from the
Umbrella Bank either entire Bank Sites, or approved phases of Bank Sites, from which credits
have not been debited and where the removal of such phases does not detract or have any
adverse effect on the remaining phases. Such a withdrawal must be approved by the USACE
and the MBRT. Regardless of any termination, the sponsor remains responsible for any work,
including construction, monitoring, and remedial action (if necessary) on those phases where
debits have occurred.
10. The sponsor agrees to perform all necessary work to monitor the Bank Sites and to
demonstrate compliance with the Success Criteria established in the Site Specific Mitigation
Plans. Members of the MBRT may conduct, at their own expense and in coordination with other
Federal and State resource agencies, field investigations to determine the functions and values of
the Bank Sites. The MBRT's best professional judgement shall be used to determine wetland,
stream, upland, and habitat functions and values. Any written reports resulting from such
investigations will be promptly provided to the Sponsor and its designated agents.
11. The Sponsor shall monitor Bank Sites as described in the Site Specific Mitigation Plans,
until such time as the MBRT determines that the performance criteria described in the Mitigation
Plans have been met.
12. The Sponsor is responsible for assuring the success of the restoration, creation,
enhancement and preservation activities at the Bank Sites, and for the overall operation and
management of the Umbrella Bank.
I
13. The Sponsor shall submit to each member of the MBRT, an annual report describing the
status of the Umbrella Bank, condition of Bank Sites and relating the conditions of the Bank
Sites to the Site Specific Mitigation Plan Success Criteria. The Sponsor shall provide to each
member of the MBRT the reports described in each Site Specific Mitigation Plan as well as an
accounting of the Umbrella Mitigation Bank.
14. The USACE shall review said reports, and may, at any time, after consultation with the
Sponsor and the MBRT, direct the Sponsor to take remedial action at the Bank Sites. Remedial
action required by the USACE shall be designed to achieve the performance criteria specified
above. All remedial actions required under this paragraph shall include a work schedule and
monitoring criteria that will take into account physical and climatic conditions.
15. The Sponsor shall implement any remedial measures required pursuant to the above.
16. In the event the Sponsor determines that remedial action may be necessary to achieve the
required performance criteria, it shall provide notice of such proposed remedial action to all
members of the MBRT. No remedial actions shall be taken without risk to mitigation credit
calculation without the concurrence of the USACE, in consultation with the MBRT.
17. The members of the MBRT will be allowed reasonable access to the Bank Sites for the
purposes of inspection of the Bank Sites and compliance monitoring of the Site Specific
Mitigation Plans.
Use of Mitigation Credits
18. The Geographical Service Area (GSA) is the designated area wherein a bank can
reasonably be expected to provide appropriate compensation for impacts to streams and/or
wetlands or other aquatic resources. The GSA for this Umbrella Bank shall include the Catawba
and Yadkin watersheds Hydrologic Units (HU) 03050103, 03050101, and 03040105 in North
Carolina. The Bank is intended to provide mitigation for City of Charlotte and Mecklenburg
County public projects located within the jurisdictional limits of Mecklenburg County. Every
attempt will be made to mitigate for impacts within the same river basin, for example the
Catawba (including HU 03050103 and 03050101) or Yadkin (HU 03040105). Where possible
the bank sponsor will attempt to mitigate within the same HU as impact, but reserves the right to
utilize the bank on a case-by-case basis for public projects anywhere within the jurisdictional
limits of Mecklenburg County. Use of a Bank Site to compensate for impacts outside of the
Mecklenburg County GSA may be considered by the USACE or the permitting agency on a
case-by-case basis.
19. Site Specific Mitigation Plans are intended to result in specific forms, amounts and
types, in acres (wetlands) or linear feet (streams) of compensatory mitigation. Each Site Specific
Mitigation Plan will detail the anticipated mitigation credits categorized by form and type
anticipated to be generated at the site.
4
20. It is anticipated by the parties to this agreement that use of mitigation credits shall be
"in-kind;" that is, that non-tidal wetland credits will be used to offset non-tidal wetland impacts
and stream impacts will be used to offset stream impacts.
21. It is anticipated by the parties that in most cases in which the USACE, after consultation
with the MBRT, has determined that mitigation credits from the Umbrella Bank may be used to
offset wetland impacts authorized by Section 404 permits, for every one acre of impacts, two
credits will be debited from the Umbrella Bank. One of those credits must be a restoration
credit; the remaining credit will be made up of any combination of restoration, enhancement,
creation or preservation credits, as selected by the Sponsor and approved by the USACE during
its permit process. Deviations from this compensation ratio may be authorized by the USACE
on a case-by-case basis where justified by considerations of functions of the wetlands impacted,
the severity of the wetland impacts, whether the compensatory mitigation is in-kind, and the
physical proximity of the wetland impacts to the Bank Site, except that in all cases, a minimum
of a one-to-one ratio of impact acres to restoration mitigation credits (acres) must be met.
22. It is anticipated by the parties that in most cases in which the USACE, after consultation
with the MBRT, has determined that mitigation credits from the Umbrella Bank may be used to
offset stream impacts authorized by Section 404/Section 10 permits, compensation ratios shall
generally follow the guidelines provided in the North Carolina Stream Mitigation Guidelines
(April 2003). Deviations from this may be authorized by the USACE on a case-by-case basis
where justified by considerations of functions of the streams impacted, the severity of the stream
impacts, whether the compensatory mitigation is in-kind, and the physical proximity of the
stream impacts to the Bank Site.
23. It is anticipated by the parties that due to the duration of the anticipated longevity of the
Umbrella Bank, deviations from this compensation ratio may be made if new guidance is
developed by the USACE.
24. Notwithstanding the above, all decisions concerning the appropriateness of using credits
from the Umbrella Bank to offset impacts to waters, streams and wetlands, as well as all
decisions concerning the amount and type of such credits to be used to offset water, stream, and
wetland impacts authorized by Department of the Army permits, shall be made by the USACE,
pursuant to Section 404 of the Clean Water Act and implementing regulations and guidance,
after notice of any proposed use of the Umbrella Bank (or Bank site) to the members of the
MBRT, and consultation with the members of the MBRT concerning such use. Notice to and
consultation with the members of the MBRT shall be through the applicable permit review
process.
25. As general guidance for the Umbrella Bank, Fifteen percent (15%) of each Bank Site's
total restoration and/or enhancement credits shall be available for sale immediately upon
completion of all of the following:
a. Execution of this MBI by the Sponsor, the USACE, and other agencies eligible for
membership in the MBRT who choose to execute this Agreement;
b. Approval of Site Specific Mitigation Plan(s);
c. Recordation of the preservation mechanism described in paragraph 32 of this MBI, as
well as a title opinion covering the property acceptable to the USACE;
26. Additionally, the Sponsor must complete the initial physical and biological
improvements to each bank site pursuant to its mitigation plan no later than the first full year
following initial debiting of the Umbrella Bank for the Bank Site.
27. Subject to the Sponsor's continued satisfactory completion of all required success criteria
and monitoring, additional restoration mitigation credits for each Bank site will be available
for sale by or withdrawal by the Sponsor on the following schedule:
WETLANDS:
- 10% after first year, if interim success measures are met (total 25%);
- 10% after second year; if interim success measures are met (total 35%);
- 10% after third year; if interim success measures are met (total 45%);
- 15% after fourth year; if interim success measures are met (total 60%);
- 15% after fifth year, if Success Criteria are met (total 75%); and
- 25% after fifth year, if the bank site meets the overall objectives and Success Criteria set
forth in mitigation plan (total 100%).
STREAMS:
- Construction release:
10 % upon completion of all initial physical and biological improvements made pursuant
to the mitigation plan: (25% cumulative)
-After year 1:
10% if no bankfull event occurs: 20% if bankfull event has occurred, channel is stable
and all other success criteria met (35% or 45% cumulative).
-After year 2:
10% if the first bankfull event occurred in a previous year or a bankfull event does not
occur in this year. 20% if the first bankf ill event occurs in this year, channel is stable
and all other success criteria met (45% or 55% cumulative).
-After year 3:
10% or 20% (same as year 2) (55% or 65% cumulative).
-After year 4:
10% or 20% (same as year 2 and year 3) (65% or 75% cumulative)
-After year 5:
25% if at least one bankfull event has occurred in the previous year(s). 35% if the first
bankfull event occurs in year 5 and the MBRT makes a determination of functional
success as defined in the mitigation plan.
PRESERVATION:
100% of the preservation credits shall be available immediately upon satisfaction of 25 (a), (b),
and (c), above.
28. The above schedules apply only to the extent the Sponsor documents acceptable survival and
growth of planted vegetation, attainment of acceptable stream/wetland hydrology as described
under the success criteria in the monitoring section of the mitigation plan. With the exception of
preservation sites, The final 25% of credits will be available for sale only upon a determination
by the MBRT of functional success as defined in the mitigation plan.
29. Additionally, it is anticipated that Site Specific Mitigation Plans may contain alternative
release conditions as described above for specific Bank Sites. The alternatives will be made only
upon mutual agreement by USACE and Sponsor.
30. The Sponsor has developed an accounting procedure (PerMITS, Permit and Mitigation
Information Tracking System) that is acceptable to the MBRT for maintaining accurate records
of debits made from the Umbrella Bank. This procedure allows the generation of a report by the
Sponsor showing credits used at the time they are debited from the Umbrella Bank, which the
Sponsor shall provide within 30 days of the debit to each member of the MBRT. In addition, the
Sponsor shall prepare an annual report, on each anniversary of the date of execution of this
agreement, showing all credits used, and the balance of credits remaining, to each member of the
MBRT, until such time as all of the credits have been utilized, or this agreement is otherwise
terminated. All reports shall identify credits debited and remaining by type of credit and shall
include for each reported debit the USACE Action ID number for the permit for which the
credits were utilized.
Property Disposition
31. The Sponsor shall obtain and hold conservation easements, in a form acceptable to the
MBRT, sufficient to protect the Bank Sites in perpetuity. The conservation easement shall be
perpetual, preserve all natural areas, and prohibit all use of the property inconsistent with its use
as mitigation property, including any activity that would materially alter the biological integrity
or functional and educational value of wetlands within the Bank site, consistent with the
mitigation plan. The purpose of the conservation easement will be to assure that future use of the
Bank Sites will result in the restoration, protection, maintenance and enhancement of wetland
functions described in the mitigation plan. The Sponsor shall deliver a title opinion acceptable to
the USACE covering the mitigation property. The property shall be free and clear of any
encumbrances that would conflict with its use as mitigation, including, but not limited to, any
liens that have priority over the recorded preservation mechanism. The Sponsor shall maintain
and preserve the Bank sites consistent with the goals of the Mitigation Bank, and shall take all
actions necessary to enforce the terms, conditions and restrictions of the conservation easement.
Financial Assurances
32. The mitigation sites in the Umbrella Bank are proposed for use toward City of Charlotte and
Mecklenburg County public projects. The Umbrella Bank will primarily be used for capital
projects performed under the supervision or direction of the City's Engineering and Property
Management Department. If possible and practicable, the Umbrella Bank may also be available
for use by other City departments, including but not limited to Charlotte-Mecklenburg Utility
Department, the Aviation Department, and political subdivisions such as Mecklenburg County
and such departments as Mecklenburg County Storm Water Services, Mecklenburg County
Parks and Recreation and the Charlotte-Mecklenburg Schools. The Bank will not be offered as
mitigation for any projects other than public projects of those entities listed in this paragraph.
33. The parties to this Agreement understand that the City of Charlotte is a municipal corporation
of the State of North Carolina subject to the Local Government Budget and Fiscal Control Act,
N.C.G.S. 159-28, and that no obligation may be incurred for a capital project unless funds are
appropriated in accordance therewith. The Fiscal Control Act provides the necessary financial
assurances to ensure completion of all remaining mitigation work, required reporting and
monitoring, and any remedial work required pursuant to this MBI. In addition, the use of this
bank is limited to the Bank Sponsor, which will be required to assume responsibility as permittee
for completion of mitigation used to offset permitted impacts. When the USACE determines it is
appropriate, the Bank may also be utilized to offset authorized impacts of projects of
Mecklenburg County and the Charlotte-Mecklenburg Schools.
34. The Umbrella Bank has its own distinct cost center number within the City's budgeting and
financial tracking system. Therefore all accounting for revenues, contract encumbrances, fund
transfers, and expenses, will be performed and reported independent from all other Storm Water
Division capital budget or operating budget accounting. A distinct revenue account will be used
to account for only stream/wetland-restoration-dedicated revenues and fund transfers. The
Sponsor shall provide the MBRT with an annual estimate of the cost of work required by this
agreement, and a statement of funds available to perform that work, after each annual budget of
the Sponsor is adopted.
Lone-term Management
35. The Sponsor shall implement the long-term management measures described in the Site
Specific Mitigation Plans for each Bank Site by a time frame set forth for each Bank Site in the
Site Specific Mitigation Plan.
Miscellaneous
36. Any member of the MBRT may terminate its participation in the MBRT with notice in
writing to all other parties to this agreement. Termination shall be effective seven (7) days from
placing said notices in the United States mail. Member withdrawal shall not affect any prior sale
of credits and all remaining parties shall continue to implement and enforce the terms of this
MBI. Except for termination as described above, this agreement may be modified only with the
written agreement of all remaining parties to this agreement at the time of the modification.
37. Any delay or failure of Sponsor shall not constitute a default hereunder if and to the
extent that such delay or failure is primarily caused by any act, event or conditions beyond the
Sponsor's reasonable control and significantly adversely affects its ability to perform its
obligations hereunder including: (i) acts of God, lightning, earthquake, fire, landslide, drought,
hurricane, storm, flood, or interference by third parties; (ii) condemnation or other taking by any
governmental body; (iii) change in applicable law, regulation, rule, ordinance or permit
condition, or the interpretation or enforcement thereof, (iv) any order, judgment, action or
determination of any federal, state or local court, administrative agency or government body; or
(v) the suspension or interruption of any permit, license, consent, authorization or approval. If
the performance of the Sponsor is affected by any such event, Sponsor shall give written notice
thereof to the MBRT as soon as is reasonably practicable. If such event occurs before the final
availability of all credits for sale, the Sponsor shall take remedial action to restore the property to
its condition prior to such event, in a manner sufficient to provide adequate mitigation to cover
credits that were sold prior to such delay or failure to compensate for impacts to waters,
including wetlands, authorized by Department of the Army permits. Such remedial action shall
be taken by the Sponsor only to the extent necessary and appropriate, as determined by the
MBRT.
38. No third party shall be deemed a beneficiary hereof and no one except the signatories
hereof, their successors and assigns, shall be entitled to seek enforcement hereof.
39. This MBI constitutes the entire agreement between the parties concerning the subject
matter hereof and supersedes all prior agreements or undertakings.
40. In the event any one or more of the provisions contained in this MBI are held to be
invalid, illegal or unenforceable in any respect, such invalidity, illegality or unenforceablility
will not affect any other provisions hereof, and this MBI shall be construed as if such invalid,
illegal or unenforceable provision had not been contained herein.
41. This MBI shall be governed by and construed in accordance with the laws of North
Carolina and the United States as appropriate.
42. This MBI may be executed by the parties in any combination, in one or more
counterparts, all of which together shall constitute but one and the same instrument.
43. The terms and conditions of this MBI shall be binding upon, and inure to the benefit of
the parties hereto and their respective successors.
44. All notices and required reports shall be sent by regular mail to each of the parties at their
respective addresses, provided below:
10
Sponsor:
City of Charlotte, Engineering and Property Management
C/O Ms. Mary C. Murray, Charlotte Storm Water Services
600 East Fourth Street
Charlotte, North Carolina 28202-2844
USAGE:
Mr. Scott McLendon
U.S. Army USACE of Engineers, Regulatory Division
Asheville Regulatory Field Office
151 Patton Avenue, Room 208
Asheville, NC 28801-5006
USEPA:
Ms. Becky Fox
U.S. Environmental Protection Agency
1349 Firefly Road
Whittier, NC 28789
USFWS:
Ms. Denise Moldenhauer
U.S. Fish and Wildlife Service, Fish and Wildlife Enhancement
160 Zillicoa Street, Suite C
Asheville, NC 28801-1082
NCDWQ:
Mr. John Dorney
NCDENR, Division of Water Quality, 401/ Wetlands Unit
2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604
NCWRC:
Mr. Ron Linville
North Carolina Wildlife Resources Commission
3855 Idlewild Road
Kernersville, NC 27284
IN WITNESS WHEREOF, the parties hereto have executed this Agreement entitled
"Agreement To Establish The City of Charlotte - Mecklenburg County Umbrella Stream
and Wetland Mitigation Bank In Mecklenburg County, North Carolina":
By:
Date:
Sponsor: Pamela A. Syfert, City Manager, City of Charlotte
By:
U.S. Army Corps of Engineers:
Date:
12
IN WITNESS WHEREOF, the parties hereto have executed this Agreement entitled
"Agreement To Establish The City of Charlotte - Mecklenburg County Umbrella Stream
and Wetland Mitigation Bank In Mecklenburg County, North Carolina":
By:
Date:
U.S. Environmental Protection Agency:
13
IN WITNESS WHEREOF, the parties hereto have executed this Agreement entitled
"Agreement To Establish The City of Charlotte - Mecklenburg County Umbrella Stream
and Wetland Mitigation Bank In Mecklenburg County, North Carolina":
By:
Date:
U.S. Fish and Wildlife Service:
14
IN WITNESS WHEREOF, the parties hereto have executed this Agreement entitled
"Agreement To Establish The City of Charlotte - Mecklenburg County Umbrella Stream
and Wetland Mitigation Bank In Mecklenburg County, North Carolina":
By:
N.C. Division of Water Quality:
Date:
15
IN WITNESS WHEREOF, the parties hereto have executed this Agreement entitled
"Agreement To Establish The City of Charlotte - Mecklenburg County Umbrella Stream
and Wetland Mitigation Bank In Mecklenburg County, North Carolina":
By:
N.C. Wildlife Resources Commission:
Date:
16
Appendix E:
Jurisdictional Stream & Wetland Determinations
s
UT3
Perennial RPW
Wetland AA iy
0.02 Acre i

Project Reach Jurisdictional Wetland Jurisdictional Waters
Proposed Greenway Jurisdictional Stream (RPW) Briar Creek
Randolph to Providence
WILDLANDS 0 450 900 1,800
Feet Mecklenburg County, NC
it North Carolina Division of Water Quality - Stream Identification Form; Version 3.1
Date: 07/16/2008 Projecliriar Creek - Randolph Latitude. N 35,196143°
Evaluator:N,1LJ Site: SCP1 Longitude: NN; 130.813332
Total Points: Other Museum Branch (Perennial)
Stream is at least intermittent ^! c/, County:
if? 19 or pefennial if? 30 r+4•JV Mecklenhurl; e 9 Quad Nanie:
A. Geomorphology (Subtotal = 10.5 ___) Absent l Weak Moderate Strong
1 ' Continuous bed and bank 3.i l? 0 } 1 2 3 l
2 Sinuosity
I ( 0 1 2 3
i
# 3 In-channel structure riffle-pool sequence 0 1 2 t 3
4 Sod texture or stream substrate sorting 0 1 j 2 3

5. Active/relic floodplain O
0
1 t
? 2
3
16 Depositional bars or benches I 0 1 2 3
7. Braided channel 0 1 i 2 3
8. Recent alluvial deposits I ,({ 0 1 2 3
9' Natural levees l,tl?
--- 0 1 2 3
- ----
10. Headcuts I
--
0
1
2
3

! 11. Grade controls j
0
05
1 _
1.5
12. Natural valley or drainageway 0 05 1 , 1.5 ,
i 13 Second or greater order channel on existing
, 1
USGS or NRCS map or other documented No= 0 Yes = 3
evidence
Man-made ditches are not rated: see discussions in manual
B. Hydrology (Subtotal = 8.0
i 14 Groundwater flov4discharge U 0 1 2 3
15 Water in channel and > 48 his since rain, or 0 1 2

Water in channel -- dry or growing season ' 0 3
16. Leaflitter 1 , 1.5 1 0.5 0
l 17 Sediment on plants or debris 0 0.5 1 1.5
18
debris lins or
piles (Wrack
lines) ll,
O
05
1
15
19.
r
ieatures
Ydre soils ( _ P )P esent? I> - No
No Yes 1.5
C. Biology ,Subtotal = 6.00
20'. Fibrous roots in channel ;_I) 3 2 1 ( 0
-_ - - tl
21' . Rooted plants in channel 3.O 3 2 1 p
_-
22 Crayfish 0 05 1 l 1 5
23 Bivalves 0 1 2 3
24 Fish 0 0.5 , 1-- 1.5
25 Amphibians 0 0 5 . 1 1.5
- - - -
26 Macrobenthos (note diversity and abundance) ( 0 0,5
1 1.5
21 Filamentous algae; periphyton , 0 1 1 2 3
28 Iron oxidizing bacterialfungus 0 05 1 1.5
---
29i. Wetlanc plants in streambed i FAC = 0.5; FACW = 0.75: OBL = 1 5 SAV = 2.0; Other-=-
Items 20 and 21 focus on the presence of upland plants. Item 29 focuses on the presence of aquatic or wetland plants.
Sketch
Notes (use back side of this form for additional notes
100% of channel bed is lined with concrete. Bed and banks
are we?I-maintained grass C'iiannel exhibits perennial flow due to upstream drainage area (- 160 acre-}-and surface
runoff.
• North Carolina Division of Water Quality - Stream Identification Form; Version 3.1
Date: 07/16/2008
Evaluator: N11J
Total Points:
Stream is at least rnterrnittent
if = 19 of perenmai if _ 30
Projecilriar Creek - Randolph
Site: SUP2
County:
Latitude: N ;35,194168°
Longitude: W 80.812526°
Other UTI to Briar Creek
e a Ouad Nanie: (Perennial)
A. Geomorphology (Subtotal = 20.5 ) Absent I Weak Moderate Strong
1' Continuous bed and bank 0 1 3
2. Sinuosity 0 1
2
3 In-channel structure riffle-pool sequence _; d 0 1 2 3
4 Soil texture or stream substrate sorting ; ) 0 1 2 1 3
5 Actrve/relic floodplain 0 1 2 3
6. Depositional bars or benches U 0 1 3
7 Braided channel 0 1 2 3
8. Recent alluvial deposits H) 0 1 2 3
9' Natural levees 1.0 0 1 2 3
10 Headcuts t) 0 1 2 3
11 Grade controls Lt) 0 05 1 1.5
12 Natural valley or drainageway I i 0 05 r 1 1.5
13 Second or greater order channel on existing
USGS or NRCS map or other documented No= 0 Yes = 3
evidence. + Of
Man-made ditches are not rated. see discussions in manual
B Hydrology (Subtotal = 10.5 )
14 Groundwater flow/discharge I _ 0 2_
3
- -
1 S Water in channel and = 48 his since rain, or 0 1 2 3
Water in channel -- dry or growing season 1)
16. Leaflitter 1.1) 1.5 1 0.5 0
17 Sediment on plants or debris I i) 0 05 1 1.5
18 Organic debris lines or piles (Wrack lines) i)1 0 0.5 1 1.5
19. Hydric sods (redoximorphic features) presents No = 0 Yes = 1.5
C. Biology (Subtotal = 8.00 20'. Fibrous roots in channel 3.0 3 2 1 1 0
21''. Rooted plants in channel 1.() 3 2 i 1 0
22, Crayfish 0 G5
1 1 5
23. Bivalves 0 2 3
3
24. Fish 0.5 0 0.5 1 1.5
_ - __ -r-- -- -.. - - -
25 Amphibians 1.5 0 05 15
- -
26. Macrobenthos (note diversity and abundance) 0 0.5 1 1.5
27. Filamentous algae, penphyton 0 1 2 3
28. Iron oxidizing bacteria/fungus 0 0.5 1 15
29` Wetland plants in streambed i FAC = 0.5: FACW = 0 75, OBL = 1 5 SAV = 2.0; Other = 0
Items 20 and 21 focus on the presence of upland plants, Item 29 focuses on the presence of aquatic or wetland plants.
Notes (use back side of this form for additional notes) Sketch
North Carolina Division of Water Quality - Stream Identification Form; Version 3.1
Date: 07/16/12008
Evaluator :N1IJ
Total Points:
Sbeam is at least rnterrnittent
if a 19 ot perennial it z 30
Projectj;riar Creek - Randolph
Site: SCP3
County:
141
Latitude: N 511801820'
Longitude: W 8!1.81 rq,' °
Other UT" to Briar Creek
e g Quad !Name: (Perennial)
A. Geomorphology (Subtotal = 23,5 Absent Weak Moderate
1 ' Continuous bed and bank 0 1

2 Sinuosity .
?.ill
0
1
2
3 In-channel structiire riffle-pool sequence 2,O 0 1 2
! 4 Soil texture or stream substrate sorting 0 p 1
' 5. Acute/relic floodplain I 0 1 2
6 Depositional bars or benches I 1 ! 2
7 Braided channel 0 1 2
8 Recent alluvial deposits 2.0 0 1 2
9 Natural levees 10 3 i- __-
10 Headcuts 2.(i 0 1 2
11 Grade controls
y -_ 1 il l 0 0.5 1
j 12 Natural valley or drainageway i f, 0 05 1
13 Second or greater order channel on existinc
USGS or NRCS map or other documented
' Man-made ditches are not rated. see discussions in manual
B. Hydrology (Subtotal
No= 0 Yes = 3
3
3
3
3
3
3
3 ---
3
3
1.5
1.5
- -- 0
15 Water in channel and 48 hrs. since rain, or 0
Wate 1 2 3
4 Water NC b
r in channel hor groNn season 1 1 I' 1 2 3
I {
16. Lea fitter _. ! 1.5 1 05 p
17. Sediment on plants or debris 0 0,5 1 1.5
18 Organic debris lines or piles (Wrack lines) I 0 I 0.5 1 1 5
19. Hydric soils (redoximorphic features) present? 1 .S No = 0 i Yes= 1 5
C Biology (Subtotal = 10.50
20' Fibrous roots in channel ) 3 2 _ 1 0
i'. Rooted plants in channel ; (1 3 r
2 ?-
1
0
22 Crayfish 0 05 1 1
5
23 Bivalves 0 1 j 2 .
3
24. Fish
_. i Il 0 05 r-
1.5
25 Amphibians ; U 0 _ 0.5 1 1 5
26 Macrobenthos (note diversity and abundance) 0 0.5 t 1 5 -
27. Filamentous algae; pertphyton t l 0 1 2 3 -
28 Iron oxidizing bacteria/fungus 0 05 1 1.5
29Wetland plants in streambed FAC = 0 5 FACW = 0 75; OBL = 1 5 SAV = 20
Other = 0
Items 20 and 21 focus on the presence of upland plants. Item 29 focuses on the presence of aquatic or .
wetland plants-
Notes (use backside of this form for additional notes.) Sketch
North Carolina Division of Water Quality - Stream Identification Form; Version 3.1
Date: (17/16/2008 ProjecUtiar (:reek - Randolph Latitude: N 35.185836°
Evaluator:h,1LJ Site: SCP4 Longitude: W 80.816954`
Total Points: Other - U'I'3 to Briar Creek
beam is at least inter County
mittent
it R 19 cr perennial if Q,00 ??: M a 9 Ouad tdanre: (Perennial) J
z 30 38ecklenburg 1______-___
A. Geomorphology (Subtotal = 20.0 ) Absent Weak Moderate Strong
1' Continuous bed and bank ;.1; 0 1 2 3
2 Sinuosity I Ili 0 1 2 3
k 3 In-channel structure riffle- pool sequence 2.0 0 1 2 3
4. Soil texture or stream substrate sorting 2,0 0 1 2 3
5. Active/relic floodplain ?.0 0 1 2 3
6 Depositional bars or benches 1.0 0 1 2 3
i 7. Braided channel 0 1 2 3
I _ _ . --- -_---
8. Recent alluvial deposits 1.0 0 1 2 3
9 " Natural levees 2,0 0 1 2 I 3
10, Headcuts LO 0 1 2 3
11 Grade controls 1,0 0 0.5 1 } 1.5
12 Natural valley or drainageway 0 05
1 15
_-- I - -
13 Second or greater order channel on existing
USGS or NRCS map or other docutrrented No= 0 Yes= 3
evidence ; o?
Man-made ditches are not rated, see discussions in manual
B Hydrology (Subtotal = 8.5? ----
14 Groundwater tbwldischarge l 0 1 2 3
15 Water in channel and 48 hrs since rain, or 0 1 2 3
Water in channel -- dry or growing season )
16. Leaflitter (} 1.5 1 0,5 0
17 Sediment on plants or debris In 1 0 U5 1 1.5
` 18 Organic debris lines or piles (Wrack j ine es) . 1.O 0 0.5 1 1 1.5
19 H dnc soils redoximorphic features e No 0 Yes = = 1.5
C Biology (Subtotal = 9.50 )
0 Fibrous roots in channel 3 2 1 1 0
21 Rooted plants in channel 3.0 3 2 j 1 0
22 Crayfish 0 05 1 1 5
23. Bivalves 0 1 2 3
- -
i 24. Fish 0 0.5 j 1 1.5
25 Amphibians I .it 0 O S 1 1 5
26 Macrobenthos (note diversity and abundance) U,; 0 05 1 1.5
27. Filamentous algae periphyton ?.t• 0 1 1 2 3
1 28 Iron oxidizing bacterialfungus 0 0.5 1 1.5
29 Wetland plants in streambed FAC = 0 5, FACW = 0 75; OBL = 1 5 SAV = 2 0, other = 0
Items 20 and 21 focus on the presence of upland plants, Rem 29 focuses on the presence of aquatic or wetland plants.
Sketch:
Notes (use back side of this form for additional notes )
Lower portion of this channel has been impacted by recent
sewer line construction acti'vilies.
North Carolina Division of Wallet Quality - Stream Identification Form; Version 31
Date. 07116/2008
Evaluator: MI J
Total Points:
Sbearn is at least intem9ftent
it ? 19 or perennial it 1 30
ProjecUriar Creek - Randolph
Site: S(T5
County:
Mecklenhur
Latitude: N 35.19906„
Longitude: NN' 80.812424
Other Briar Creek (Perennial)
e g Quad Name:
A. Geomorphology (Subtotal = 26.5 ) Absent Weak Moderate Stror
1' Continuous bed and bank 0 1 2 3
2 Sinuosity I.''i 0 1 2 3
3 In-channel structure riffle-pool sequence ? O 0 1 + 2 3
14 Soil texture or stream substrate sorting ,.1) 0 1 I_ 2 3
1 5 Active/refic floodplain 1. 0 1 1 2 3
6 Depositional bars or benches ?,I I! 0 1 2 3
7 Braided channel 0 1 2 3
8 Recent alluvial deposits 3.O 0 1 2 3
9 11 Natural levees 0 0 1 2 3
10 Headcuts 0 1 2 3
11 Grade controls I n 0 0.5 1 1.5
} 12 Natural valley or drainageway 1:5 0 05 1 1.5
13 Second or greater order channel on gxistina
USGS or NRCS map or other documented No = 0 Yes = 3
evidence_ ;,t;1
' Man-made ditches are not rated. see discussions in manual
B Hydrology (Subtotal = 11.5 1
14 Groundwater floWdischarge
15. Water in channel and > 48 hrs
Water in channel - dry or grov
16. Leaflitter
17. Sediment on plants or debris
18 Organic debris lines or piles (Wrack lines) ) .i
19. Hydric soils (redoximorphic features) present? 1.5
0 05 1 15
0 0.5 1 1.5
No - 0 T Yes = 1.5
'I 0 1 2 3
:e rain, or
season i; 0
; 1
2
3
l 1 5 1 0.5 0
C. Biology (Subtotal= 14.00 )
20' Fibrous roots in channel ;,O) 3 2 1 0
21 Rooted plants in channel , 1) 3 2 I 1 0
22 Crayfish (1.) 0 05
1
1 5
23 Bivalves
0
1 2
3 --
24 Fish
25 Amphibians
-- - ):t
I ; 0
0- 0.5 1
05 .-
I 1 1.5

1,5
26. Macrobenthos (note diversity and abundance) 0 0.5 i 1 1.5
27. Filamentous algae periphyton _ U 0 1 2 3
28 Iron oxidizing bacteria/fungus I( 0 1 0 5 1 1 5
29" Wetland plants in streambed FAC = 0 5, FACW = 0175; OBL = 1 5 SAV 2.0; Other = 0
Items 20 and 21 focus on the presence of upland plants. Item 29 focuses on the presence of aquatic or wetland plants-
Notes' (use backside of this form for additional notes.)
Sketch.
OFFICE USE ONLY: USACE AID# DWQ #
------------------- ------ - ---------- ------------------- - ----------------------------
SCP1 - Museum Branch (Perennial)
STREAM QUALITY ASSESSMENT WORKSHEET
1. Applicant's Name: MCSWS 2. Evaluator's Name: Matt Jenkins
3. Date of Evaluation: 7/16/08 4. Time of Evaluation: 1:00pm
5. Name of Stream: Museum Branch 6. River Basin: Catawba 03050103
7. Approximate Drainage Area: 163 acres 8. Stream Order: First
9. Length of Reach Evaluated: 200 if 10. County: Mecklenburg,
11. Location of reach under evaluation (include nearby roads and landmarks): From downtown Charlotte, head south on E. Trade
Street, continue onto Elizabeth Ave. Turn right at Charlottetowne Ave./ Independence Blvd. Turn left at E. 4`h St and continue onto
Randolph Rd. Travel approximately 1 mile to Museum Plaza and turn right.
12. Site Coordinates (if known): N 35.196143°, W 80.813332°
13. Proposed Channel Work (if any): restoration
14. Recent Weather Conditions: no rain within the past 48 hours
15. Site conditions at time of visit: sunny, 90°
16. Identify any special waterway classifications known: -Section 10 -Tidal Waters -Essential Fisheries Habitat
-Trout Waters -Outstanding Resource Waters _ Nutrient Sensitive Waters -Water Supply Watershed (I-IV)
17. Is there a pond or lake located upstream of the evaluation point? YES NO If yes, estimate the water surface area:
18. Does channel appear on USGS quad map? YES (D 19. Does channel appear on USDA Soil Survey? YES
20. Estimated Watershed Land Use: 100 % Residential % Commercial % Industrial % Agricultural
% Forested % Cleared / Logged _% Other ( )
21. Bankfull Width: 9 feet 22. Bank Height (from bed to top of bank): 4-5 feet
23. Channel slope down center of stream: X Flat (0 to 2%) -Gentle (2 to 4%) -Moderate (4 to 10%) -Steep (>10%)
24. Channel Sinuosity: X Straight -Occasional Bends -Frequent Meander -Very Sinuous -Braided Channel
Instructions for completion of worksheet (located on page 2): Begin by determining the most appropriate ecoregion based on
location, terrain, vegetation, stream classification, etc. Every characteristic must be scored using the same ecoregion. Assign points to each
characteristic within the range shown for the ecoregion. Page 3 provides a brief description of how to review the characteristics identified in the
worksheet. Scores should reflect an overall assessment of the stream reach under evaluation. If a characteristic cannot be evaluated due to site or
weather conditions, enter 0 in the scoring box and provide an explanation in the comment section. Where there are obvious changes in the character
of a stream under review (e.g., the stream flows from a pasture into a forest), the stream may be divided into smaller reaches that display more
continuity, and a separate form used to evaluate each reach. The total score assigned to a stream reach must range between 0 and 100, with a score
of 100 representing a stream of the highest quality.
Total Score (from reverse): 38 Comments: Channel bottom is completely lined with concrete. Channel
exhibits perennial flow from -160 drainage area and surface runoff.
Evaluator's Signature Date
This channel evaluation form is intended to be used only as a guide to assist landowners and environmental professionals in
gathering the data required by the United States Army Corps of Engineers in order to make a preliminary assessment of
stream quality. The total score resulting from the completion of this form is subject to USACE approval and does not imply a
particular mitigation ratio or requirement. Form subject to change - version 05/03. To Comment, please call 919-876-8441 x 26.
STREAM QUALITY ASSESSMENT WORKSHEET
SCP1- Museum Branch (Perennial)
ECOREG ION POINT RANGE SCORE
# CHARACTERISTICS
Coastal Piedmont Mountain
Presence of flow / persistent pools in stream
0
5
0-4
0-5
3
1 no flow or saturation = 0• strong flow = max points) -
2 Evidence of past human alteration 0-6 0-5 0-5 0
extensive alteration = 0• no alteration = max oints
3 Riparian zone 0-6 0-4 0-5 1
no buffer = 0• contiguous, wide buffer = max points)
4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 2
extensive discharges = 0• no discharges = max points)
5 Groundwater discharge 0-3 0-4 0-4 1
no discharge = 0• springs, seeps, wetlands etc. = max points)
6 Presence of adjacent floodplain 0- 4 0- 4 0- 2 4
y? no flood lain = 0• extensive flood lain = max oints
7 Entrenchment / floodplain access 0-5 0-4 0-2 3
p (deeply entrenched = 0• frequent flooding = max ints
8 Presence of adjacent wetlands
j 0-6 0-4 0-2 0
acent wetlands = max points)
no wetlands = 0- large ad
9 Channel sinuosity 0-5 0-4 0-3 0
extensive channelization = 0• natural meander = max points)
10 Sediment input 0-5 0-4 0-4 4
extensive deposition= 0• little or no sediment = max points)
11 Size & diversity of channel bed substrate NA* 0-4 0-5 0
fine homogenous = 0• large, diverse sizes = max points)
12 Evidence of channel incision or widening 0-5 0-4 0-5 4
> d 1 incised = 0• stable bed & banks = max oints
E 13 Presence of major bank failures 0-5 0-5 0-5 5
severe erosion = 0; no erosion stable banks = max oints
14 Root depth and density on banks
0-3
0-4
0-5
1
no visible roots = 0• dense roots throughout = max ints
Impact by agriculture or livestock production
0-5
0-4
0-5
4
15 substantial impact --0• no evidence = max points)
16 Presence of riffle-pool/ripple-pool complexes 0-3 0-5 0-6 1
no riffles/ripples or pools = 0• well-developed = max points)
F
d
1 Habitat complexity o-6 0-6 0-6 1
little or no habitat = 0• frequent, varied habitats = max points)
Canopy coverage over streambed 0-5 0-5 0-5 2
18 no shading vegetation = 0• continuous canopy = max points)
19 Substrate embeddedness NA* 0-4 0-4 2
(deeply embedded = 0• loose structure = max
20 Presence of stream invertebrates 0-4 0-5 0-5 0
no evidence = 0• common numerous types = max oints

2l Presence of amphibians 0-4 0-4 0-4 0
O no evidence = 0; common numerous types = max oints
04
22 Presence of fish 0-4 0-4 0-4 0
0 no evidence = 0; common numerous types = max Dints)
Evidence of wildlife use 0-6 0-5 0-5 0
23 no evidence = 0; abundant evidence = max points)
Total Points Possible 100 100 100
TOTAL SCORE (also enter on first page) 38
* These characteristics are not assessed in coastal streams.
OFFICE USE ONLY: USACE AID# DWQ
-- - - - --- ------ ----
SCP2 - UTI to Briar Creek (Perennial)
M STREAM QUALITY ASSESSMENT WORKSHEET

1. Applicant's Name: MCSWS 2. Evaluator's Name: Matt Jenkins
3. Date of Evaluation: 7/16/08 4. Time of Evaluation: 2:00pm
5. Name of Stream: UTI to Briar Creek 6. River Basin: Catawba 03050103
7. Approximate Drainage Area: 435 acres 8. Stream Order: Second
9. Length of Reach Evaluated: 50 If 10. County: Mecklenburg
11. Location of reach under evaluation (include nearby roads and landmarks): From downtown Charlotte, head south on E. Trade
Street, continue onto Elizabeth Ave. Turn right at Charlottetowne Ave./ Independence Blvd Turn left at E 4`h St and continue onto
Randolph Rd. Travel approximately 1 mile to Museum Plaza and turn right
12. Site Coordinates (if known): N 35.195168°, W 80.812526°
13. Proposed Channel Work (if any): N/A
14. Recent Weather Conditions: no rain within the past 48 hours
15. Site conditions at time of visit: sunny, 90°
16. Identify any special waterway classifications known: -Section 10 -Tidal Waters -Essential Fisheries Habitat
-Trout Waters -Outstanding Resource Waters _ Nutrient Sensitive Waters -Water Supply Watershed (I-IV)
17. Is there a pond or lake located upstream of the evaluation point? ES NO If yes, estimate the water surface area: 3 acres
18. Does channel appear on USGS quad map? Q NO 19. Does channel appear on USDA Soil Survey? Q NO
20. Estimated Watershed Land Use: 90 % Residential _% Commercial _% Industrial _% Agricultural
10 % Forested _% Cleared / Logged _% Other
21. Bankfull Width: 18 feet 22. Bank Height (from bed to top of bank): 4-6 feet
23. Channel slope down center of stream: X Flat (0 to 2%) -Gentle (2 to 4%) -Moderate (4 to 10%) -Steep (> 10%)
24. Channel Sinuosity: Straight X Occasional Bends -Frequent Meander -Very Sinuous -Braided Channel
Instructions for completion of worksheet (located on page 2): Begin by determining the most appropriate ecoregion based on
location, terrain, vegetation, stream classification, etc. Every characteristic must be scored using the same ecoregion. Assign points to each
characteristic within the range shown for the ecoregion. Page 3 provides a brief description of how to review the characteristics identified in the
worksheet. Scores should reflect an overall assessment of the stream reach under evaluation. If a characteristic cannot be evaluated due to site or
weather conditions, enter 0 in the scoring box and provide an explanation in the comment section. Where there are obvious changes in the character
of a stream under review (e.g., the stream flows from a pasture into a forest), the stream may be divided into smaller reaches that display more
continuity, and a separate form used to evaluate each reach. The total score assigned to a stream reach must range between 0 and 100, with a score
of 100 representing a stream of the highest quality.
Total Score (from reverse): 56 Comments:
Evaluator's Signature Date
This channel evaluation form is intended to be used only as a guide to assist landowners and environmental professionals in
gathering the data required by the United States Army Corps of Engineers in order to make a preliminary assessment of
stream quality. The total score resulting from the completion of this form is subject to USACE approval and does not imply a
particular mitigation ratio or requirement. Form subject to change - version 05/03. To Comment, please call 919-876-8441 x 26.
STREAM QUALITY ASSESSMENT WORKSHEET
SCP2 - UT1 to Briar Creek (Perenninh
# CHARACTERISTICS ECOREGION POIN T RANGE
SCORE
Coastal Piedmont Mountain
1 Presence of flow / persistent pools in stream

no flow or saturation = 0• strong flow = max points) 0-5 0-4 0-5 4
2 Evidence of past human alteration

extensive alteration = 0• no alteration = max points) 0-6 0-5 0-5 2
3 Riparian zone

no buffer = 0• contiguous, wide buffer = max points) 0-6 0-4 0-5 2
4 Evidence of nutrient or chemical discharges

extensive discharges = 0• no discharges = max points) 0-5 0-4 0-4 2
5 Groundwater discharge

U
no discharge = 0• springs, seeps, wetlands etc. = max points) 0-3 0-4 0-4 4
0-4
6 Presence of adjacent floodplain
no fllain = 0• extensive flood lain = max points) 0-4 0-4 0-2 3
Entrenchment / floodplain access 0- 5 0- 4 0- 2 3
(deeply entrenched = 0• frequent flooding = max points)
8 Presence of adjacent wetlands

no wetlands = 0• large adjacent wetlands = max points) 0-6 0-4 0-2 0
9 Channel sinuosity

extensive channelization = 0• natural meander = max points) 0-5 0-4 0-3 2
10 Sediment input 0-5 0-4 0-4 1
extensive d sition= 0• little or no sediment = max points)
11 Size & diversity of channel bed substrate *

fine homogenous = 0• large, diverse sizes = max points) NA 0-4 0-5 2
12 Evidence of channel incision or widening

>
(deeply incised = 0• stable bed & banks = max points) 0-5 0-4 0-5 3
F" 13 Presence of major bank failures

.a
severe erosion = 0• no erosion, stable banks = max points) 0-5 0-5 0-5 5

14 Root depth and density on banks

H no visible roots = 0• dense roots throughout = max oints 0-3 0-4 0-5 2

15 Impact by agriculture or livestock production
substantial impact --0• no evidence = max points) 0-5 0-4 0-5 4
16 Presence of riffle-pool/ripple-pool complexes

F
no riffles/riles or pools = 0• well-developed = max oints 0-3 0-5 0-6 4
d 17 Habitat complexity 0-6 0-6 0-6 4
little or no habitat = 0• frequent, varied habitats = max points)

18 Canopy coverage over streambed

x no shading vegetation = 0• continuous canopy = max points) 0-5 0-5 0-5 3
19 Substrate embeddedness NA* 0-4 0-4 1
(deeply embedded = 0• loose structure = max
20 Presence of stream invertebrates 0-4 0-5 0-5 0
no evidence = 0• common, numerous types = max oints
21 Presence of amphibians 0-4 0-4 0-4 4
O no evidence = 0• common, numerous types = max oints
a
O
22 Presence of fish
0-4
0-4
0-4
1
no evidence = 0; common, numerous types = max oints

23 Evidence of wildlife use
0-6
0-5
0-5
0
no evidence = 0• abundant evidence = max ints
Total Points Possible 100 100 100
TOTAL SCORE (also enter on first page) 56
* These characteristics are not assessed in coastal streams.
OFFICE USE ONLY: USACE AID#
DWQ#
.... ___... ------------- ...... -_.__... .. _.-_._J
SCP3 - UT2 to Briar Creek (Perennial)
STREAM QUALITY ASSESSMENT WORKSHEET`
1. Applicant's Name: MCSWS 2. Evaluator's Name: Matt Jenkins
3. Date of Evaluation: 7/16/08 4. Time of Evaluation: 2:30pm
5. Name of Stream: UT2 to Briar Creek 6. River Basin: Catawba 03050103
7. Approximate Drainage Area: 435 acres 8. Stream Order: Second
9. Length of Reach Evaluated: 50 If 10. County: Mecklenburg
11. Location of reach under evaluation (include nearby roads and landmarks): From downtown Charlotte, head south on E. Trade
Street, continue onto Elizabeth Ave. Turn right at Charlottetowne Ave./ Independence Blvd. Turn left at E 4`n St and continue onto
Randolph Rd. Travel approximately 2 miles and turn right onto Meadowbrook Road After approximatey `/4 mile turn right onto
Placid Pl.
12. Site Coordinates (if known): N 35.186182°, W 80.815924°
13. Proposed Channel Work (if any): N/A
14. Recent Weather Conditions: no rain within the past 48 hours
15. Site conditions at time of visit: sunny, 90°
16. Identify any special waterway classifications known: -Section 10 -Tidal Waters -Essential Fisheries Habitat
-Trout Waters -Outstanding Resource Waters Nutrient Sensitive Waters -Water Supply Watershed (I-IV)
17. Is there a pond or lake located upstream of the evaluation point? YES (?D If yes, estimate the water surface area:
18. Does channel appear on USGS quad map? 0 NO 19. Does channel appear on USDA Soil Survey? Q NO
20. Estimated Watershed Land Use: 90 % Residential _% Commercial _% Industrial _% Agricultural
10 % Forested _% Cleared / Logged _% Other
21. Bankfull Width: 12 feet 22. Bank Height (from bed to top of bank): 4-6 feet
23. Channel slope down center of stream: X Flat (0 to 2%) -Gentle (2 to 4%) -Moderate (4 to 10%) -Steep (>10%)
24. Channel Sinuosity: Straight X Occasional Bends -Frequent Meander -Very Sinuous -Braided Channel
Instructions for completion of worksheet (located on page 2): Begin by determining the most appropriate ecoregion based on
location, terrain, vegetation, stream classification, etc. Every characteristic must be scored using the same ecoregion. Assign points to each
characteristic within the range shown for the ecoregion. Page 3 provides a brief description of how to review the characteristics identified in the
worksheet. Scores should reflect an overall assessment of the stream reach under evaluation. If a characteristic cannot be evaluated due to site or
weather conditions, enter 0 in the scoring box and provide an explanation in the comment section. Where there are obvious changes in the character
of a stream under review (e.g., the stream flows from a pasture into a forest), the stream may be divided into smaller reaches that display more
continuity, and a separate form used to evaluate each reach. The total score assigned to a stream reach must range between 0 and 100, with a score
of 100 representing a stream of the highest quality.
Total Score (from reverse): 51
Evaluator's Signature Date
This channel evaluation form is intended to be used only as a guide to assist landowners and environmental professionals in
gathering the data required by the United States Army Corps of Engineers in order to make a preliminary assessment of
stream quality. The total score resulting from the completion of this form is subject to USACE approval and does not imply a
particular mitigation ratio or requirement. Form subject to change - version 05/03. To Comment, please call 919-876-8441 x 26.
STREAM QUALITY ASSESSMENT WORKSHEET
SCP3 - UT2 to Briar Creek (Perennial)

#
C
C ECOREGION POINT RANGE
HARA
TERISTICS SCORE
Coastal Piedmont Mountain

1 Presence of flow / persistent pools in stream
0 - 5
0 - 4
0 - 5
4
no flow or saturation = 0• strong flow = max points
2 Evidence of past human alteration 0-6 0-5 0-5 2
extensive alteration = 0• no alteration = max points)
3 Riparian zone 0-6 0-4 0-5 2
no buffer = 0• contiguous, wide buffer = max oints
4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 1
extensive dischar es - 0 no dischar es = max oints
a 5 Groundwater discharge 0-3 0-4 0-4 4
Q no discharge = 0• springs, sees wetlands etc. = max points)

am
6 Presence of adjacent floodplain
0-4
0-4
0-2
2
y
, no flood lain = 0• extensive flood lain = max oints

a Entrenchment / floodplain access 0- 5 0- 4 0- 2 2
(deeply entrenched = 0• frequent flooding = max ints
8 Presence of adjacent wetlands
j 0-6 0-4 0-2 0
no wetlands = 0• large ad
acent wetlands = max points)
9 Channel sinuosity 0-5 0-4 0-3 2
extensive channelization = 0• natural meander = max ints
10 Sediment input 0-5 0-4 0-4 2
extensive deposition= 0• little or no sediment = max points)
11 Size & diversity of channel bed substrate NA* 0-4 0-5 2
fine homogenous = 0• large, diverse sizes = max points)
12 Evidence of channel incision or widening 0-5 0-4 0-5 2
(deeply incised = 0• stable bed & banks = max points)

13 Presence of major bank failures
0-5
0-5
0-5
3
severe erosion = 0• no erosion, stable banks = max points)

14 Root depth and density on banks
0-3
0-4
0-5
3
F no visible roots = 0• dense roots throughout = max points)

15 Impact by agriculture or livestock production
0-5
0-4
0-5
4
substantial impact ?• no evidence = max points)
16 Presence of riffle-pool/ripple-pool complexes 0-3 0-5 0-6 3
no riffles/ripples or pools = 0• well-developed = max points)
F

1 Habitat complexity
0-6
0-6
0-6
4
F little or no habitat = 0• frequent, varied habitats = max points)
*
,1
18 Canopy coverage over streambed
0-5
0-5
0-5
2
no shading vegetation = 0• continuous canopy = max points)
19 Substrate embeddedness NA* 0-4 0-4 2
(deeply embedded = 0• loose structure = max
20 Presence of stream invertebrates 0-4 0-5 0-5 1
no evidence = 0• common, numerous types = max points)
>4
U' 21 Presence of amphibians 0-4 0-4 0-4 2
O no evidence = 0• common, numerous types = max points)
*4
O
22 Presence of fish
0-4
0-4
0-4
2
00 no evidence = 0• common, numerous types = max points)
23 Evidence of wildlife use 0-6 0-5 0-5 0
no evidence = 0• abundant evidence = max points)
Total Points Possible 100 100 100
TOTAL SCORE (also enter on first page) 51
* These characteristics are not assessed in coastal streams.
OFFICE USE ONLY:
-- ------ ---------
USACE AID#
ry
STREAM QUALITY ASSESSMENT WORKSHEET 1
DWQ
--- ------ -
SCP4 - UT3 to Briar Creek (Perennial)
1. Applicant's Name: MCSWS 2. Evaluator's Name: Matt Jenkins
3. Date of Evaluation: 7/16/08 4. Time of Evaluation: 3:15pm
5. Name of Stream: UT3 to Briar Creek 6. River Basin: Catawba 03050103
7. Approximate Drainage Area: 245 acres 8. Stream Order: Second
9. Length of Reach Evaluated: 50 if 10. County: Mecklenburg
11. Location of reach under evaluation (include nearby roads and landmarks): From downtown Charlotte, head south on E. Trade
Street, continue onto Elizabeth Ave. Turn right at Charlottetowne Ave./ Indevendence Blvd. Turn left at E. 4`h St and continue onto
Randolph Rd. Travel approximately 2 miles and turn right onto Meadowbrook Road. After approximatey '/4 mile turn right onto
Placid Pl.
12. Site Coordinates (if known): N 35.185836°, W 80.816954°
13. Proposed Channel Work (if any): N/A
14. Recent Weather Conditions: no rain within the past 48 hours
15. Site conditions at time of visit: sunny, 90°
16. Identify any special waterway classifications known: -Section 10 -Tidal Waters -Essential Fisheries Habitat
-Trout Waters -Outstanding Resource Waters Nutrient Sensitive Waters -Water Supply Watershed (I-IV)
17. Is there a pond or lake located upstream of the evaluation point? YES Q If yes, estimate the water surface area:
18. Does channel appear on USGS quad map? 0 NO 19. Does channel appear on USDA Soil Survey? Q NO
20. Estimated Watershed Land Use: 90 % Residential _% Commercial _% Industrial _% Agricultural
10 % Forested _% Cleared / Logged _% Other ( )
21. Bankfull Width: 6-8 feet 22. Bank Height (from bed to top of bank): 5-6 feet
23. Channel slope down center of stream: X Flat (0 to 2%) -Gentle (2 to 4%) -Moderate (4 to 10%) -Steep (>10%)
24. Channel Sinuosity: Straight X Occasional Bends -Frequent Meander -Very Sinuous -Braided Channel
Instructions for completion of worksheet (located on page 2): Begin by determining the most appropriate ecoregion based on
location, terrain, vegetation, stream classification, etc. Every characteristic must be scored using the same ecoregion. Assign points to each
characteristic within the range shown for the ecoregion. Page 3 provides a brief description of how to review the characteristics identified in the
worksheet. Scores should reflect an overall assessment of the stream reach under evaluation. If a characteristic cannot be evaluated due to site or
weather conditions, enter 0 in the scoring box and provide an explanation in the comment section. Where there are obvious changes in the character
of a stream under review (e.g., the stream flows from a pasture into a forest), the stream may be divided into smaller reaches that display more
continuity, and a separate form used to evaluate each reach. The total score assigned to a stream reach must range between 0 and 100, with a score
of 100 representing a stream of the highest quality.
Total Score (from reverse): 43 Comments: Lower portion of channel has been impacted by recent sewer
line construction activities.
Evaluator's Signature Date
This channel evaluation form is intended to be used only as a guide to assist landowners and environmental professionals in
gathering the data required by the United States Army Corps of Engineers in order to make a preliminary assessment of
stream quality. The total score resulting from the completion of this form is subject to USACE approval and does not imply a
particular mitigation ratio or requirement. Form subject to change - version 05/03. To Comment, please call 919-876-8441 x 26.
STREAM QUALITY ASSESSMENT WORKSHEET
SCP4 - UT3 to Briar Creek (Perennial)
ECOREG ION POINT RANGE SCORE
# CHARACTERISTICS
Coastal Piedmont Mountain

1 Presence of flow / persistent pools in stream
0-5
0-4
0-5
4
no flow or saturation = 0• strong flow = max points)

2 Evidence of past human alteration
o-6
0-5
0-5
1
extensive alteration = 0• no alteration = max oints
3 Riparian zone 0-6 0-4 0-5 1
no buffer = 0• contiguous, wide buffer = max points)
4 Evidence of nutrient or chemical discharges 0-5 0-4 0-4 2
extensive discharges = 0• no discharges = max points)
5 Groundwater discharge 0-3 0-4 0-4 4
no discharge = 0• springs, sees wetlands etc. = max points)
V 6 Presence of adjacent floodplain 0- 4 0- 4 0- 2 2
y, no flood lain = 0• extensive flood lain = max points)
?i Entrenchment / floodplain access 0- 5 0- 4 0- 2 2
p" (deeply entrenched = 0• frequent flooding = max ints
8 Presence of adjacent wetlands 0-6 0-4 0-2 0
no wetlands = 0• large adjacent wetlands = max points)
9 Channel sinuosity 0-5 0-4 0-3 1
extensive channelization = 0• natural meander = max points)
10 Sediment input 0-5 0-4 0-4 2
extensive deposition-- 0• little or no sediment = max points)
11 Size & diversity of channel bed substrate NA* 0-4 0-5 3
fine homogenous = 0• large, diverse sizes = max points)
12 Evidence of channel incision or widening 0-5 0-4 0-5 2
(deeply incised = 0• stable bed & banks = max points)

13 Presence of major bank failures
0-5
0-5
0-5
3
severe erosion = 0• no erosion, stable banks = max points)
14 Root depth and density on banks 0-3 0-4 0-5 2
Ei no visible roots = 0• dense roots throughout = max points)

15 Impact by agriculture or livestock production
0-5
0-4
0-5
4
substantial impact =0; no evidence = max points)
16 Presence of riffle-pool/ripple-pool complexes 0-3 0-5 0-6 3
no riffles/ri les or Dols = 0 well-develo d = max ints
E 17 Habitat complexity 0-6 0-6 0-6 2
varied habitats = max points)
little or no habitat = 0• frequent

18 ,
Canopy coverage over streambed
0-5
0-5
0-5
0
no shading vegetation = 0• continuous canopy = max points)
19 Substrate embeddedness NA* 0-4 0-4 2
(deeply embedded = 0• loose structure = max
20 Presence of stream invertebrates 0-4 0-5 0-5 1
no evidence = 0• common, numerous types = max points)

21 Presence of amphibians 0-4 0-4 0-4 2
O no evidence = 0• common, numerous types = max omts

Q
22 Presence of fish
0-4
0-4
0-4
0
no evidence = 0• common, numerous types = max points)
23 Evidence of wildlife use 0-6 0-5 0-5 0
no evidence = 0• abundant evidence = max points)
Total Points Possible 100 100 100
TOTAL SCORE (also enter on first page) 43
* These characteristics are not assessed in coastal streams.
OFFICE USE ONLY:
- - ------------------------------------
USACE AID#
DWQ#.
_ _-_ ---- --- ..------------- -
SCP5 Briar Creek (Perennial)
STREAM QUALITY ASSESSMENT WORKSHEET

1. Applicant's Name: MCSWS 2. Evaluator's Name: Matt Jenkins
3. Date of Evaluation: 7/16/08 4. Time of Evaluation: I:00pm
5. Name of Stream: Briar Creek 6. River Basin: Catawba 03050103
7. Approximate Drainage Area: 18 sq. miles 8. Stream Order:
9. Length of Reach Evaluated: 1,5001f 10. County: Mecklenburg
11. Location of reach under evaluation (include nearby roads and landmarks): From downtown Charlotte, head south on E. Trade
Street, continue onto Elizabeth Ave. Turn right at Charlottetowne Ave./ Independence Blvd. Turn left at E. 4`h St and continue onto
Randolph Rd. Travel approximately 1 mile to Museum Plaza and turn right.
12. Site Coordinates (if known): N 35.19906°, W 80.812424°
13. Proposed Channel Work (if any): restoration
14. Recent Weather Conditions: no rain within the past 48 hours
15. Site conditions at time of visit: sunny, 90°
16. Identify any special waterway classifications known: -Section 10 -Tidal Waters -Essential Fisheries Habitat
-Trout Waters -Outstanding Resource Waters Nutrient Sensitive Waters -Water Supply Watershed (I-IV)
17. Is there a pond or lake located upstream of the evaluation point? ES NO If yes, estimate the water surface area: 7-8 acres
18. Does channel appear on USGS quad map? Q NO 19. Does channel appear on USDA Soil Survey? Q NO
20. Estimated Watershed Land Use: 80 % Residential 10 % Commercial % Industrial _% Agricultural
10 % Forested % Cleared / Logged _% Other ( )
21. Bankfull Width: 40-45 feet 22. Bank Height (from bed to top of bank): 12-13 feet
23. Channel slope down center of stream: X Flat (0 to 2%) -Gentle (2 to 4%) -Moderate (4 to 10%) -Steep (>10%)
24. Channel Sinuosity: Straight X Occasional Bends -Frequent Meander -Very Sinuous -Braided Channel
Instructions for completion of worksheet (located on page 2): Begin by determining the most appropriate ecoregion based on
location, terrain, vegetation, stream classification, etc. Every characteristic must be scored using the same ecoregion. Assign points to each
characteristic within the range shown for the ecoregion. Page 3 provides a brief description of how to review the characteristics identified in the
worksheet. Scores should reflect an overall assessment of the stream reach under evaluation. If a characteristic cannot be evaluated due to site or
weather conditions, enter 0 in the scoring box and provide an explanation in the comment section. Where there are obvious changes in the character
of a stream under review (e.g., the stream flows from a pasture into a forest), the stream may be divided into smaller reaches that display more
continuity, and a separate form used to evaluate each reach. The total score assigned to a stream reach must range between 0 and 100, with a score
of 100 representing a stream of the highest quality.
Total Score (from reverse): 67 Comments:
Evaluator§ Signature Date
This channel evaluation form is intended to be used only as a guide to assist landowners and environmental professionals in
gathering the data required by the United States Army Corps of Engineers in order to make a preliminary assessment of
stream quality. The total score resulting from the completion of this form is subject to USACE approval and does not imply a
particular mitigation ratio or requirement. Form subject to change - version 05/03. To Comment, please call 919-876-8441 x 26.
STREAM QUALITY ASSESSMENT WORKSHEET
SUF5 Briar Creek (Perennial
# CHARACTERISTICS r "iil 1 nr?l?vc.
1 1 SCORE
Coastal Piedmont Mountain
1 Presence of flow / persistent pools in stream

no flow or saturation = 0; strong flow = max points) 0-5 0-4 0-5 4
2 Evidence of past human alteration

extensive alteration = 0• no alteration = max points) 0-6 0-5 0-5 2
3 Riparian zone

no buffer = 0• contiguous, wide buffer = max points) 0-6 0-4 0-5 3
4 Evidence of nutrient or chemical discharges

extensive discharges = 0• no discharges = max points) 0-5 0-4 0-4 2
a 5 Groundwater discharge

U
no discharge = 0• springs, seeps, wetlands etc. = max points) 0-3 0-4 0-4 4

6 Presence of adjacent floodplain
no flood lain = 0• extensive flood lain = max points) 0-4 0-4 0-2 4

00 Entrenchment / floodplain access 0- 5 0- 4 0- 2 2
(deeply entrenched = 0• frequent flooding = max ints
8 Presence of adjacent wetlands

no wetlands = 0• large adjacent wetlands = max points) 0-6 0-4 0-2 0
9 Channel sinuosity

extensive channelization = 0• natural meander = max points) 0-5 0-4 0-3 1
10 Sediment input 0-5 0-4 0-4
3
extensive deposition-- 0• little or no sediment = max points)
11 Size Aliversity of channel bed substrate B'

fine homogenous = 0• large, diverse sizes = max points) NA 0-4 0-5 3
12 Evidence of channel incision or widening

>'
(deeply incised = 0• stable bed & banks = max points) 0-5 0-4 0-5 3

13 Presence of major bank failures
a severe erosion = 0• no erosion, stable banks = max points) 0-5 0-5 0-5 4

14 Root depth and density on banks
0-3
0-4
0-5
3
H no visible roots = 0• dense roots throughout = max points)

15 Impact by agriculture or livestock production

substantial impact =0• no evidence = max points) 0-5 0-4 0-5 4
16 Presence of riffle-poollripple-pool complexes

no riffles/ripples or pools = 0• well-developed = max points) 0-3 0-5 0-6 3
d 1 Habitat complexity 0-6 0-6 0-6 4
little or no habitat = 0• fruen varied habitats = max points)
Canopy coverage over streambed
18
no shading vegetation = 0• continuous canopy = max points) 0-5 0-5 0-5 3
19 Substrate embeddedness NA" 0-4 0-4 3
(deeply embedded = 0• loose structure = max
20 Presence of stream invertebrates 0-4 0-5 0-5 2
no evidence = 0• common numerous types = max oints
21 Presence of amphibians 0-4 0-4 0-4 4
O no evidence = 0• common numerous types = max points)
04
O
22 Presence of fish
0-4
0-4
0-4
4
no evidence = 0• common, numerous types = max ints
r23 Evidence of wildlife use 0- 6 0- 5 0- 5 2
no evidence = 0- abundant evidence = max points)
Total Points Possible 100 100 100
TOTAL SCORE (also enter on first page) 67
These characteristics are not assessed in coastal streams.
2
OFFICE USE ONLY: USACE AID# DWQ #
------- -- ------ --- ----- -- --
SCP6 -UT4 to Briar Creek (Perennial)
STREAM QUALITY ASSESSMENT WORKSHEET
1. Applicant's Name: MCSWS 2. Evaluator's Name: Matt Jenkins
3. Date of Evaluation: 7/16/08 4. Time of Evaluation: 4:00 pm
5. Name of Stream: UT4 to Briar Creek 6. River Basin: Catawba 03050103
7. Approximate Drainage Area: 432 acres 8. Stream Order: First
9. Length of Reach Evaluated: 50 if 10. County: Mecklenburg
11. Location of reach under evaluation (include nearby roads and landmarks): From downtown Charlotte head south on E. Trade
Street, continue onto Elizabeth Ave. Turn right at Charlottetowne Ave./ Independence Blvd. Turn left at E. 4`h St and continue onto
Randolph Rd. Travel approximately 2 miles and turn right onto Meadowbrook Road. After approximates `/4 mile turn right onto
Placid Pl.
12. Site Coordinates (if known): N 35.183472°, W 80.818907°
13. Proposed Channel Work (if any): N/A
14. Recent Weather Conditions: no rain within the past 48 hours
15. Site conditions at time of visit: sunny, 90°
16. Identify any special waterway classifications known: -Section 10 -Tidal Waters -Essential Fisheries Habitat
-Trout Waters -Outstanding Resource Waters Nutrient Sensitive Waters -Water Supply Watershed (I-IV)
17. Is there a pond or lake located upstream of the evaluation point? (J NO If yes, estimate the water surface area: 1.4 acres
18. Does channel appear on USGS quad map? Q NO 19. Does channel appear on USDA Soil Survey? Q NO
20. Estimated Watershed Land Use: 90 % Residential % Commercial _% Industrial % Agricultural
10 % Forested _% Cleared / Logged _% Other ( )
21. Bankfull Width: 10-12 feet 22. Bank Height (from bed to top of bank): 1-3 feet
23. Channel slope down center of stream: -Flat (0 to 2%) X Gentle (2 to 4%) -Moderate (4 to 10%) -Steep (>10%)
24. Channel Sinuosity: X Straight -Occasional Bends -Frequent Meander -Very Sinuous -Braided Channel
Instructions for completion of worksheet (located on page 2): Begin by determining the most appropriate ecoregion based on
location, terrain, vegetation, stream classification, etc. Every characteristic must be scored using the same ecoregion. Assign points to each
characteristic within the range shown for the ecoregion. Page 3 provides a brief description of how to review the characteristics identified in the
worksheet. Scores should reflect an overall assessment of the stream reach under evaluation. If a characteristic cannot be evaluated due to site or
weather conditions, enter 0 in the scoring box and provide an explanation in the comment section. Where there are obvious changes in the character
of a stream under review (e.g., the stream flows from a pasture into a forest), the stream may be divided into smaller reaches that display more
continuity, and a separate form used to evaluate each reach. The total score assigned to a stream reach must range between 0 and 100, with a score
of 100 representing a stream of the highest quality.
Total Score (from reverse): 45 Comments:
Evaluator§ Signature Date
This channel evaluation form is intended to be used only as a guide to assist landowners and environmental professionals in
gathering the data required by the United States Army Corps of Engineers in order to make a preliminary assessment of
stream quality. The total score resulting from the completion of this form is subject to USACE approval and does not imply a
particular mitigation ratio or requirement. Form subject to change - version 05/03. To Comment, please call 919-876-8441 x 26.
STREAM QUALITY ASSESSMENT WORKSHEET
SCP6 4JT4 to Mar Creek fPPronniall
# CHARACTERISTICS ECOREGION POINT RANGE
SCORE
Coastal Piedmont Mountain
1 Presence of flow / persistent pools in stream

no flow or saturation = 0• strong flow = max points) 0-5 0-4 0-5 3
2 Evidence of past human alteration

extensive alteration = 0• no alteration = max points) 0-6 0-5 0-5 0
3 Riparian zone

no buffer = 0• contiguous, wide buffer = max points) 0- 6 0- 4 0- 5 1
4 Evidence of nutrient or chemical discharges

extensive discharges = 0; no discharges = max points) 0-5 0-4 0-4 2
a 5 Groundwater discharge

U
no discharge = 0• springs, seeps, wetlands etc. = max points) 0-3 0-4 0-4 4
6 Presence of adjacent floodplain

no floc lain = 0• extensive flood lain = max points) 0- 4 0- 4 0- 2 2
Entrenchment / floodplain access
p' (deeply entrenched = 0• frequent flooding = max points) 0-5 0-4 0-2 3
8 Presence of adjacent wetlands

no wetlands = 0- large adjacent wetlands = max points) 0-6 0-4 0-2 0

9 Channel sinuosity
extensive channelization = 0• natural meander = max points) 0-5 0-4 0-3 1
10 Sediment input 0-5 0-4 0-4 3
extensive deposition-- 0• little or no sediment = max points)
11 Size Aliversity of channel bed substrate *

fine homogenous = 0- large, diverse sizes = max points) NA 0-4 0-5 3
12 Evidence of channel incision or widening

,>4
(deeply incised = 0• stable bed & banks = max points) 0-5 0-4 0-5 3
13 Presence of major bank failures

04
severe erosion = 0• no erosion, stable banks = max points) 0-5 0-5 0-5 5
C1
14 Root depth and density on banks
3
0
0
4
F no visible roots = 0• dense roots throughout = max points) - - 0-5 2

15 Impact by agriculture or livestock production
substantial impact ?• no evidence = max points) 0-5 0-4 0-5 4
16 Presence of riffle-pool/ripple-pool complexes

E
no riffles/ripples or pools = 0• well-developed = max points) 0-3 0-5 0-6 2

1 Habitat complexity 0-6 0-6 0-6 1
little or no habitat = 0• frequent, varied habitats = max points)

18 Canopy coverage over streambed
x
no shading vegetation = 0• continuous canopy = max points)
0-5
0-5
0-5
0
19 Substrate embeddedness NA* 0-4 0-4 3
(deeply embedded = 0• loose structure = max
20 Presence of stream invertebrates

no evidence = 0• common numerous types = max points) 0-4 0-5 0-5 0
L7 21 Presence of amphibians 0-4 0-4 0-4 3
O no evidence = 0• common, numerous types = max oints
04 C Presence of fish 0-4 0-4 0-4 0
F
d no evidence = 0• common, numerous types = max points)
23 Evidence of wildlife use 0-6 0-5 0-5 0
no evidence = 0• abundant evidence = max points)
Total Points Possible 100 100 100
TOTAL SCORE (also enter on first page) 45
* 'T'hese characteristics are not assessed in coastal streams.
APPROVED JURISDICTIONAL DETERMINATION FORM
U.S. Army Corps of Engineers
This form should be completed by following the instructions provided in Section IV of the JD Form Instructional Guidebook.
SECTION 1: BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD): August 15, 2008
B. DISTRICT OFFICE, FILE NAME, AND NUMBER:Asheville Regional Office
C. PROJECT LOCATION AND BACKGROUND INFORMATION: Briar Creek -Randolph Road, Charlotte, NC -Briar Creek &
Wetland AA
State:NC County/parish/borough: Mecklenburg City: Charlotte
Center coordinates of site (]at/long in degree decimal format): Lat. 35.19906° Long. 80.812424° W.
Universal Transverse Mercator:
Name of nearest waterbody: Briar Creek
Name of nearest Traditional Navigable Water (TNW) into which the aquatic resource flows: Sugar Creek
Name of watershed or Hydrologic Unit Code (HUC): 03050103
0 Check if map/diagram of review area and/or potential jurisdictional areas is/are available upon request.
Check if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a
different JD form.
D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
Office (Desk) Determination. Date: August 15, 2008
Field Determination. Date(s): July 16, 2008
SECTION 11: SUMMARY OF FINDINGS
A. RHA SECTION 10 DETERMINATION OF JURISDICTION.
There At`e`u0 "navigable waters of the U.S." within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the
review area. [Required]
E] Waters subject to the ebb and flow of the tide.
El Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
Explain:
B. CWA SECTION 404 DETERMINATION OF JURISDICTION.
There„' _ . "waters of the U.S." within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [Required]
1. Waters of the U.S.
a. Indicate presence of waters of U.S. in review area (check all that apply): t
TNWs, including territorial seas
Wetlands adjacent to TNWs
® Relatively permanent waters2 (RPWs) that flow directly or indirectly into TNWs
Non-RPWs that flow directly or indirectly into TNWs
® Wetlands directly abutting RPWs that flow directly or indirectly into TNWs
Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs
Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs
Impoundments of jurisdictional waters
Q Isolated (interstate or intrastate) waters, including isolated wetlands
b. Identify (estimate) size of waters of the U.S. in the review area:
Non-wetland waters: -50 linear feet: 4-6 width (ft) and/or 0.01 acres.
Wetlands: 0.02 acres.
c. Limits (boundaries) of jurisdiction based on 0900*
Elevation of established OHWM (if known):
Non-regulated waters/wetlands (check if applicable):3
Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional.
Explain:
' Boxes checked below shall be supported by completing the appropriate sections in Section III below.
' For purposes of this form, an RPW is defined as a tributary that is not a TNW and that typically flows year-round or has continuous flow at least "seasonally"
(e.g., typically 3 months).
' Supporting documentation is presented in Section III.F.
SECTION III: CWA ANALYSIS
A. TNWs AND WETLANDS ADJACENT TO TNWs
The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete
Section III.A.1 and Section III.D.1. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections III.A.1 and 2
and Section III.D.I.; otherwise, see Section III.B below.
1. TNW
Identify TNW:
Summarize rationale supporting determination:
Wetland adjacent to TNW
Summarize rationale supporting conclusion that wetland is "adjacent":
B. CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY):
This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps
determine whether or not the standards for jurisdiction established under Rapaoos have been met.
The agencies will assert jurisdiction over non-navigable tributaries of TNWs where the tributaries are "relatively permanent
waters" (RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3
months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round
(perennial) flow, skip to Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow,
skip to Section III.D.4.
A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and
EPA regions will include in the record any available information that documents the existence of a significant nexus between a
relatively permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even
though a significant nexus finding is not required as a matter of law.
If the waterbodya is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the
waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must
consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for
analytical purposes, the tributary and all of its adjacent wetlands is used whether the review area identified in the JD request is
the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.B.1 for
the tributary, Section III.B.2 for any onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite
and offsite. The determination whether a significant nexus exists is determined in Section III.C below.
1. Characteristics of non-TNWs that flow directly or indirectly into TNW
(i) General Area Conditions:
Watershed size: Pick List
Drainage area: Pick List
Average annual rainfall: inches
Average annual snowfall: inches
(ii) Physical Characteristics:
(a) Relationship with TNW:
? Tributary flows directly into TNW.
? Tributary flows through Pick List tributaries before entering TNW.
Project waters are Pick List river miles from TNW.
Identify flow route to TNWs:
Tributary stream order, if known:
Project waters are Pick List river miles from RPW.
Project waters are Pick List aerial (straight) miles from TNW.
Project waters are Fick List aerial (straight) miles from RPW.
Project waters cross or serve as state boundaries. Explain:
° Note that the Instructional Guidebook contains additional information regarding swales, ditches, washes, and erosional features generally and in the and
West.
5 Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to flow into tributary b, which then flows into TNW.
(b) General Tributary Characteristics (check all that apply):
Tributary is: ? Natural
? Artificial (man-made). Explain:
? Manipulated (man-altered). Explain:
Tributary properties with respect to top of bank (estimate):
Average width: feet
Average depth: feet
Average side slopes: Pick List.
Primary tributary substrate composition (check all that apply):
? Silts ? Sands ? Concrete
? Cobbles ? Gravel ? Muck
? Bedrock ? Vegetation. Type/% cover:
? Other. Explain:
Tributary condition/stability [e.g., highly eroding, sloughing banks]. Explain:
Presence of run/riffle/pool complexes. Explain:
Tributary geometry: Pick List
Tributary gradient (approximate average slope): %
(c) Flow:
Tributary provides for: )
Estimate average number of flow events in review area/year: tick List
Describe flow regime:
Other information on duration and volume:
Surface flow is: Pick List. Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
Tributary has (check all that apply):
? Bed and banks
? OHWM6 (check all indicators that apply):
? clear, natural line impressed on the bank ?
? changes in the character of soil ?
? shelving ?
? vegetation matted down, bent, or absent ?
? leaf litter disturbed or washed away ?
? sediment deposition ?
? water staining ?
? other (list):
the presence of litter and debris
destruction of terrestrial vegetation
the presence of wrack line
sediment sorting
scour
multiple observed or predicted flow events
abrupt change in plant community
? Discontinuous OHWM.7 Explain:
If factors other than the OHWM were used to determ
Q High Tide Line indicated by:
? oil or scum line along shore objects
? fine shell or debris deposits (foreshore)
? physical markings/characteristics
? tidal gauges
? other (list):
me lateral extent of CWA jurisdiction (check all that apply):
Mean High Water Mark indicated by:
? survey to available datum;
? physical markings;
? vegetation lines/changes in vegetation types.
(iii) Chemical Characteristics:
Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.).
Explain:
Identify specific pollutants, if known:
'A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where
the OHWM has been removed by development or agricultural practices). Where there is a break in the OHWM that is unrelated to the waterbody's flow
regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break.
'Ibid.
(iv) Biological Characteristics. Channel supports (check all that apply):
? Riparian corridor. Characteristics (type, average width):
? Wetland fringe. Characteristics:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
2. Characteristics of wetlands adjacent to non-TNW that now directly or indirectly into TNW
(i) Physical Characteristics:
(a) General Wetland Characteristics:
Properties:
Wetland size:0.02 acres
Wetland type. Explain:linear system, floodplain drainage.
Wetland quality. Explain: natural, no disturbances; little to no vegetation within wetland boundary.
Project wetlands cross or serve as state boundaries. Explain:
(b) General Flow Relationship with Non-TNW:
Flow is: Intermittent flow. Explain: wetland exhibited hydric soil indicators with no inundation or standing water
present. Wetland is a linear system that drains a large floodplain area to Briar Creek.
Surface flow is: Confined
Characteristics: area is approximately 3-4 feet wide with approximately 3 foot banks.
Subsurface flow: Yes. Explain findings: soils exhibited saturation within the upper 12 inches of the surface.
? Dye (or other) test performed:
(c) Wetland Adjacency Determination with Non-TNW:
® Directly abutting
? Not directly abutting
? Discrete wetland hydrologic connection. Explain:
? Ecological connection. Explain:
? Separated by berm/barrier. Explain:
(d) Proximity (Relationship) to TNW
Project wetlands are 10-15 river miles from TNW.
Project waters are 10-15 aerial (straight) miles from TNW.
Flow is from: Wetland to navigable waters.
Estimate approximate location of wetland as within the 50 -100-year floodplain.
(ii) Chemical Characteristics:
Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed
characteristics; etc.). Explain: Wetland AA exhibited water marks, water-stained leaves, sediment deposits, drainage
patterns, and saturation within the upper 12 inches of the soil profile. The soils exhibited hydric soil indicators including
low chroma (7.5YR 5/2) and many distinct mottles (5YR 4/6).
Identify specific pollutants, if known: N/A.
(iii) Biological Characteristics. Wetland supports (check all that apply):
® Riparian buffer. Characteristics (type, average width): forested, >100 feet.
? Vegetation type/percent cover. Explain:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
3. Characteristics of all wetlands adjacent to the tributary (if any)
All wetland(s) being considered in the cumulative analysis: 1
Approximately ( 0.02 ) acres in total are being considered in the cumulative analysis.
For each wetland, specify the following:
Directly abuts? (Y/N) Size (in acres) Directly abuts? (Y/N) Size (in acres)
Wetland AA - Y 0.02
Summarize overall biological, chemical and physical functions being performed: wetland provides some flood storage of
water as well as pollutant removal from surrounding upland areas.
C. SIGNIFICANT NEXUS DETERMINATION
A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed
by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity
of a TNW. For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent
wetlands, has more than a speculative or insubstantial effect on the chemical, physical and/or biological integrity of a TNW.
Considerations when evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow
of water in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent
wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distance (e.g. between a
tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or
outside of a floodplain is not solely determinative of significant nexus.
Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and
discussed in the Instructional Guidebook. Factors to consider include, for example:
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to
TNWs, or to reduce the amount of pollutants or flood waters reaching a TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and
other species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that
support downstream foodwebs?
• Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or
biological integrity of the TNW?
Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented
below:
Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNWs. Explain
findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section III.D:
Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into
TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its
adjacent wetlands, then go to Section III.D:
3. Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of
presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to
Section III.D:
D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL
THAT APPLY):
1. TNWs and Adjacent Wetlands. Check all that apply and provide size estimates in review area:
TNWs: linear feet width (ft), Or, acres.
Wetlands adjacent to TNWs: acres.
RPWs that flow directly or indirectly into TNWs.
Tributaries of TNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that
tributary is perennial: Briar Creek was determined to be a perennial channel and exhibited a strong bed and bank, strong
perennial flow, and an average ordinary high water width of 40-50 feet. Biological sampling within this channel revealed a
strong presence of amphibians and fish, and a weak presence of benthic macroinvertebrates and bivalves. Briar Creek scored
67 out of a possible 100 points on the USACE Stream Quality Assessment Worksheet and 52 out of a possible 71 points on
the NCDWQ Stream Classification Form, indicating perennial status (SCP5, enclosed).
? Tributaries of TNW where tributaries have continuous flow "seasonally" (e.g., typically three months each year) are
jurisdictional. Data supporting this conclusion is provided at Section II1.B. Provide rationale indicating that tributary flows
seasonally:
Provide estimates for jurisdictional waters in the review area (check all that apply):
® Tributary waters: 6,700 linear feet 40-50 width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Non-RPWss that flow directly or indirectly into TNWs.
? Waterbody that is not a TNW or an RPW, but flows directly or indirectly into a TNW, and it has a significant nexus with a
TNW is jurisdictional. Data supporting this conclusion is provided at Section III.C.
Provide estimates for jurisdictional waters within the review area (check all that apply):
? Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Wetlands directly abutting an RPW that flow directly or indirectly into TNWs.
® Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands.
? Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale
indicating that tributary is perennial in Section III.D.2, above. Provide rationale indicating that wetland is
directly abutting an RPW:
® Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary is
seasonal in Section 111.13 and rationale in Section III.D.2, above. Provide rationale indicating that wetland is directly
abutting an RPW: Wetland AA is directly connected to Briar Creek via a surface water connection. This linear system
flows through a culvert located at an existing sewer line and outfalls directly into Briar Creek.
Provide acreage estimates for jurisdictional wetlands in the review area: 0.02 acres.
5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs.
Wetlands that do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent
and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisidictional. Data supporting this
conclusion is provided at Section III.C.
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs.
Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and
with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this
conclusion is provided at Section III.C.
Provide estimates for jurisdictional wetlands in the review area: acres.
7. Impoundments of jurisdictional waters:
As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional.
Q Demonstrate that impoundment was created from "waters of the U.S.," or
Demonstrate that water meets the criteria for one of the categories presented above (1-6), or
Demonstrate that water is isolated with a nexus to commerce (see E below).
E. ISOLATED [INTERSTATE OR INTRA-STATE] WATERS, INCLUDING ISOLATED WETLANDS, THE USE,
DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY
SUCH WATERS (CHECK ALL THAT APPLY):"
'See Footnote # 3.
a To complete the analysis refer to the key in Section III.D.6 of the Instructional Guidebook.
10 Prior to asserting or declining CWA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA HQ for
review consistent with the process described in the Corps/EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos.
? which are or could be used by interstate or foreign travelers for recreational or other purposes.
? from which fish or shellfish are or could be taken and sold in interstate or foreign commerce.
? which are or could be used for industrial purposes by industries in interstate commerce.
? Interstate isolated waters. Explain:
? Other factors. Explain:
Identify water body and summarize rationale supporting determination:
Provide estimates for jurisdictional waters in the review area (check all that apply):
? Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
? Wetlands: acres.
NON-JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALL THAT APPLY):
? If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers
Wetland Delineation Manual and/or appropriate Regional Supplements.
Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce.
? Prior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solely on the
"Migratory Bird Rule" (MBR).
? Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain:
? Other: (explain, if not covered above):
Provide acreage estimates for non-jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR
factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional
judgment (check all that apply):
? Non-wetland waters (i.e., rivers, streams): linear feet width (ft).
? Lakes/ponds: acres.
? Other non-wetland waters: acres. List type of aquatic resource:
? Wetlands: acres.
Provide acreage estimates for non-jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such
a finding is required for jurisdiction (check all that apply):
? Non-wetland waters (i.e., rivers, streams): linear feet, width (ft).
? Lakes/ponds: acres.
? Other non-wetland waters: acres. List type of aquatic resource:
? Wetlands: acres.
SECTION IV: DATA SOURCES.
A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where checked
and requested, appropriately reference sources below):
® Maps, plans, plots or plat submitted by or on behalf of the applicant/consultant:
® Data sheets prepared/submitted by or on behalf of the applicant/consultant.
? Office concurs with data sheets/delineation report.
? Office does not concur with data sheets/delineation report.
? Data sheets prepared by the Corps:
? Corps navigable waters' study:
? U.S. Geological Survey Hydrologic Atlas:
? USGS NHD data.
? USGS 8 and 12 digit HUC maps.
® U.S. Geological Survey map(s). Cite scale & quad name:
® USDA Natural Resources Conservation Service Soil Survey. Citation:
? National wetlands inventory map(s). Cite name:
? State/Local wetland inventory map(s):
? FEMA/FIRM maps:
? 100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929)
® Photographs: ® Aerial (Name & Date):
or ® Other (Name & Date):see attached report.
? Previous determination(s). File no. and date of response letter:
? Applicable/supporting case law:
? Applicable/supporting scientific literature:
APPROVED JURISDICTIONAL DETERMINATION FORM
U.S. Army Corps of Engineers
This form should be completed by following the instructions provided in Section IV of the JD Form Instructional Guidebook.
SECTION 1: BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD): August 15, 2008
B. DISTRICT OFFICE, FILE NAME, AND NUMBER:Asheville Regional Office
C. PROJECT LOCATION AND BACKGROUND INFORMATION: Mint Museum, Charlotte, NC - Museum Branch
State:NC County/parish/borough: Mecklenburg City: Charlotte
Center coordinates of site (lat/long in degree decimal format): Lat. 35.185836° N, Long. 80.816954° W.
Universal Transverse Mercator:
Name of nearest waterbody: Briar Creek
Name of nearest Traditional Navigable Water (TNW) into which the aquatic resource flows: Sugar Creek
Name of watershed or Hydrologic Unit Code (HUC): 03050103
® Check if map/diagram of review area and/or potential jurisdictional areas is/are available upon request.
? Check if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a
different JD form.
D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
® Office (Desk) Determination. Date: August 15, 2008
® Field Determination. Date(s): July 16, 2008
SECTION Ill: SUMMARY OF FINDINGS
A. RHA SECTION 10 DETERMINATION OF JURISDICTION.
There Are no "navigable waters of the U.S." within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the
review area. [Required]
? Waters subject to the ebb and flow of the tide.
? Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
Explain:
B. CWA SECTION 404 DETERMINATION OF JURISDICTION.
There Are "waters of the U.S." within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [Required]
1. Waters of the U.S.
a. Indicate presence of waters of U.S. in review area (check all that apply): t
TNWs, including territorial seas
Wetlands adjacent to TNWs
® Relatively permanent waterS2 (RPWs) that flow directly or indirectly into TNWs
? Non-RPWs that flow directly or indirectly into TNWs
? Wetlands directly abutting RPWs that flow directly or indirectly into TNWs
? Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs
? Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs
? Impoundments of jurisdictional waters
? Isolated (interstate or intrastate) waters, including isolated wetlands
b. Identify (estimate) size of waters of the U.S. in the review area:
Non-wetland waters: -600 linear feet: 5 width (ft) and/or 0.07 acres.
Wetlands: 0.00 acres.
c. Limits (boundaries) of jurisdiction based on: 1987 Delineation Mannal
Elevation of established OHWM (if known):623 feet.
Z. Non-regulated waters/wetlands (check if applicable) :3
Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional.
Explain:
' Boxes checked below shall be supported by completing the appropriate sections in Section III below.
For purposes of this form, an RPW is defined as a tributary that is not a TNW and that typically flows year-round or has continuous flow at least "seasonally"
(e.g., typically 3 months).
3 Supporting documentation is presented in Section III.F.
SECTION 111: CWA ANALYSIS
A. TNWs AND WETLANDS ADJACENT TO TNWs
The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete
Section III.A.1 and Section III.D.I. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections III.A.I and
and Section II1.D.1.; otherwise, see Section IILB below.
1. TNW
Identify TNW:
Summarize rationale supporting determination:
Wetland adjacent to TNW
Summarize rationale supporting conclusion that wetland is "adjacent":
B. CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY):
This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps
determine whether or not the standards for jurisdiction established under Ropanos have been met.
The agencies will assert jurisdiction over non-navigable tributaries of TNWs where the tributaries are "relatively permanent
waters" (RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3
months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round
(perennial) flow, skip to Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow,
skip to Section III.D.4.
A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and
EPA regions will include in the record any available information that documents the existence of a significant nexus between a
relatively permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even
though a significant nexus finding is not required as a matter of law.
If the waterbodya is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the
waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must
consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for
analytical purposes, the tributary and all of its adjacent wetlands is used whether the review area identified in the JD request is
the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.B.1 for
the tributary, Section III.B.2 for any onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite
and offsite. The determination whether a significant nexus exists is determined in Section I11.C below.
1. Characteristics of non-TNWs that flow directly or indirectly into TNW
(i) General Area Conditions:
Watershed size: Pick List
Drainage area: Pick List
Average annual rainfall: inches
Average annual snowfall: inches
(ii) Physical Characteristics:
(a) Relationship with TNW:
? Tributary flows directly into TNW.
? Tributary flows through Pick List tributaries before entering TNW.
Project waters are Pick List river miles from TNW.
Identify flow route to TNW5:
Tributary stream order, if known:
Project waters are Pick List river miles from RPW.
Project waters are Pick List aerial (straight) miles from TNW.
Project waters are Pick List aerial (straight) miles from RPW.
Project waters cross or serve as state boundaries. Explain:
° Note that the Instructional Guidebook contains additional information regarding swales, ditches, washes, and erosional features generally and in the and
West.
5 Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to flow into tributary b, which then flows into TNW.
(b) General Tributary Characteristics (check all that apply):
Tributary is: ? Natural
? Artificial (man-made). Explain:
? Manipulated (man-altered). Explain:
Tributary properties with respect to top of bank (estimate):
Average width: feet
Average depth: feet
Average side slopes: Pick List.
Primary tributary substrate composition (check all that apply):
? Silts ? Sands ? Concrete
? Cobbles ? Gravel ? Muck
? Bedrock ? Vegetation. Type/% cover:
? Other. Explain:
Tributary condition/stability [e.g., highly eroding, sloughing banks]. Explain:
Presence of run/riftle/pool complexes. Explain:
Tributary geometry: Pick List
Tributary gradient (approximate average slope): %
(c) Flow:
Tributary provides for: Pick List
Estimate average number of flow events in review area/year: Pick List
Describe flow regime:
Other information on duration and volume:
Surface flow is: Pick List. Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
Tributary has (check all that apply):
? Bed and banks
? OHWM6 (check all indicators that apply):
? clear, natural line impressed on the bank ?
? changes in the character of soil ?
? shelving ?
? vegetation matted down, bent, or absent ?
? leaf litter disturbed or washed away ?
? sediment deposition ?
? water staining ?
? other (list):
El Discontinuous OHWM.' Explain:
the presence of litter and debris
destruction of terrestrial vegetation
the presence of wrack line
sediment sorting
scour
multiple observed or predicted flow events
abrupt change in plant community
If factors other than the OHWM were used to determine lateral extent of CWA jurisdiction (check all that apply):
Q High Tide Line indicated by: Q Mean High Water Mark indicated by:
? oil or scum line along shore objects ? survey to available datum;
? fine shell or debris deposits (foreshore) ? physical markings;
? physical markings/characteristics ? vegetation lines/changes in vegetation types.
? tidal gauges
? other (list):
(iii) Chemical Characteristics:
Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.).
Explain:
Identify specific pollutants, if known:
'A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where
the OHWM has been removed by development or agricultural practices). Where there is a break in the OHWM that is unrelated to the waterbody's flow
regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break.
'Ibid.
(iv) Biological Characteristics. Channel supports (check all that apply):
? Riparian corridor. Characteristics (type, average width):
? Wetland fringe. Characteristics:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
2. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW
(i) Physical Characteristics:
(a) General Wetland Characteristics:
Properties:
Wetland size: acres
Wetland type. Explain:
Wetland quality. Explain:
Project wetlands cross or serve as state boundaries. Explain:
(b) General Flow Relationship with Non-TNW:
Flow is: Pick List. Explain:
Surface flow is: Pick List
Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
(c) Wetland Adjacency Determination with Non-TNW:
? Directly abutting
? Not directly abutting
? Discrete wetland hydrologic connection. Explain:
? Ecological connection. Explain:
? Separated by berm/barrier. Explain:
(d) Proximity (Relationship) to TNW
Project wetlands are Pick List river miles from TNW.
Project waters are Pick List aerial (straight) miles from TNW.
Flow is from: Pick List.
Estimate approximate location of wetland as within the Pick List floodplain.
(ii) Chemical Characteristics:
Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed
characteristics; etc.). Explain:
Identify specific pollutants, if known:
(iii) Biological Characteristics. Wetland supports (check all that apply):
? Riparian buffer. Characteristics (type, average width):
? Vegetation type/percent cover. Explain:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
3. Characteristics of all wetlands adjacent to the tributary (if any)
All wetland(s) being considered in the cumulative analysis: Pick Lbt
Approximately ( ) acres in total are being considered in the cumulative analysis.
For each wetland, specify the following:
Directly abuts? (Y/N) Size (in acres) Directly abuts? (Y/N) Size (in acres)
Summarize overall biological, chemical and physical functions being performed:
C. SIGNIFICANT NEXUS DETERMINATION
A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed
by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity
of a TNW. For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent
wetlands, has more than a speculative or insubstantial effect on the chemical, physical and/or biological integrity of a TNW.
Considerations when evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow
of water in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent
wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distance (e.g. between a
tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or
outside of a floodplain is not solely determinative of significant nexus.
Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and
discussed in the Instructional Guidebook. Factors to consider include, for example:
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to
TNWs, or to reduce the amount of pollutants or flood waters reaching a TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and
other species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that
support downstream foodwebs?
• Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or
biological integrity of the TNW?
Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented
below:
1. Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNWs. Explain
findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section III.D:
2. Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into
TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its
adjacent wetlands, then go to Section III.D:
Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of
presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to
Section III.D:
D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL
THAT APPLY):
1. TNWs and Adjacent Wetlands. Check all that apply and provide size estimates in review area:
? TNWs: linear feet width (ft), Or, acres.
? Wetlands adjacent to TNWs: acres.
RPWs that flow directly or indirectly into TNWs.
® Tributaries of TNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that
tributary is perennial: Museum Branch was determined to be a perennial channel and exhibited a strong bed and bank,
moderate flow, and an average ordinary high water width of 8-9 feet. In the past, the channel bed was completely lined with
concrete, however this channel still exhibits perennial flow from its 160 acre watershed. Museum Branch scored 38 out of a
possible 100 points on the USACE Stream Quality Assessment Worksheet and 24.5 out of a possible 71 points on the
NCDWQ Stream Classification Form (SCP1, enclosed).
? Tributaries of TNW where tributaries have continuous flow "seasonally" (e.g., typically three months each year) are
jurisdictional. Data supporting this conclusion is provided at Section III.B. Provide rationale indicating that tributary flows
seasonally:
Provide estimates for jurisdictional waters in the review area (check all that apply):
® Tributary waters: 600 linear feet 5 width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
3. Non-RPWss that flow directly or indirectly into TNWs.
? Waterbody that is not a TNW or an RPW, but flows directly or indirectly into a TNW, and it has a significant nexus with a
TNW is jurisdictional. Data supporting this conclusion is provided at Section I11.C.
Provide estimates for jurisdictional waters within the review area (check all that apply):
? Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Wetlands directly abutting an RPW that flow directly or indirectly into TNWs.
? Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands.
? Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale
indicating that tributary is perennial in Section III.D.2, above. Provide rationale indicating that wetland is
directly abutting an RPW:
? Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary is
seasonal in Section III.B and rationale in Section I11.D.2, above. Provide rationale indicating that wetland is directly
abutting an RPW:
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs.
? Wetlands that do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent
and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisidictional. Data supporting this
conclusion is provided at Section III.C.
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs.
Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and
with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this
conclusion is provided at Section III.C.
Provide estimates for jurisdictional wetlands in the review area: acres.
7. Impoundments of jurisdictional waters.
As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional.
? Demonstrate that impoundment was created from "waters of the U.S.," or
? Demonstrate that water meets the criteria for one of the categories presented above (1-6), or
? Demonstrate that water is isolated with a nexus to commerce (see E below).
E. ISOLATED INTERSTATE OR INTRA-STATES WATERS, INCLUDING ISOLATED WETLANDS, THE USE,
DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY
SUCH WATERS (CHECK ALL THAT APPLY):"
? which are or could be used by interstate or foreign travelers for recreational or other purposes.
'See Footnote # 3.
e To complete the analysis refer to the key in Section III.D.6 of the Instructional Guidebook.
10 Prior to asserting or declining CWA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA HQ for
review consistent with the process described in the Corps/EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos.
? from which fish or shellfish are or could be taken and sold in interstate or foreign commerce.
? which are or could be used for industrial purposes by industries in interstate commerce.
? Interstate isolated waters. Explain:
? Other factors. Explain:
Identify water body and summarize rationale supporting determination:
Provide estimates for jurisdictional waters in the review area (check all that apply):
? Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
? Wetlands: acres.
NON-JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALL THAT APPLY):
? If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers
Wetland Delineation Manual and/or appropriate Regional Supplements.
Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce.
? Prior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solely on the
"Migratory Bird Rule" (MBR).
? Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain:
? Other: (explain, if not covered above):
Provide acreage estimates for non-jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR
factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional
judgment (check all that apply):
? Non-wetland waters (i.e., rivers, streams): linear feet width (ft).
? Lakes/ponds: acres.
? Other non-wetland waters: acres. List type of aquatic resource:
? Wetlands: acres.
Provide acreage estimates for non jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such
a finding is required for jurisdiction (check all that apply):
? Non-wetland waters (i.e., rivers, streams): linear feet, width (ft).
? Lakes/ponds: acres.
? Other non-wetland waters: acres. List type of aquatic resource:
? Wetlands: acres.
SECTION IV: DATA SOURCES.
A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where checked
and requested, appropriately reference sources below):
® Maps, plans, plots or plat submitted by or on behalf of the applicant/consultant:
® Data sheets prepared/submitted by or on behalf of the applicant/consultant.
? Office concurs with data sheets/delineation report.
? Office does not concur with data sheets/delineation report.
? Data sheets prepared by the Corps:
? Corps navigable waters' study:
? U.S. Geological Survey Hydrologic Atlas:
? USGS NHD data.
? USGS 8 and 12 digit HUC maps.
® U.S. Geological Survey map(s). Cite scale & quad name:
® USDA Natural Resources Conservation Service Soil Survey. Citation:
? National wetlands inventory map(s). Cite name:
? State/Local wetland inventory map(s):
? FEMA/FIRM maps:
? 100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929)
® Photographs: ® Aerial (Name & Date):
or ® Other (Name & Date):see attached report.
? Previous determination(s). File no. and date of response letter:
? Applicable/supporting case law:
? Applicable/supporting scientific literature:
? Other information (please specify):
APPROVED JURISDICTIONAL DETERMINATION FORM
U.S. Army Corps of Engineers
This form should be completed by following the instructions provided in Section IV of the JD Form Instructional Guidebook
SECTION 1: BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD): August 15, 2008
B. DISTRICT OFFICE, FILE NAME, AND NUMBER:Asheville Regional Office
C. PROJECT LOCATION AND BACKGROUND INFORMATION: Briar Creek -Randolph Road, Charlotte, NC - UTI to Briar
Creek
State:NC County/parish/borough: Mecklenburg City: Charlotte
Center coordinates of site (lat/long in degree decimal format): Lat. 35.195168° N, Long. 80.812526°W.
Universal Transverse Mercator:
Name of nearest waterbody: Briar Creek
Name of nearest Traditional Navigable Water (TNW) Into which the aquatic resource flows: Sugar Creek
Name of watershed or Hydrologic Unit Code (HUC): 03050103
® Check if map/diagram of review area and/or potential jurisdictional areas is/are available upon request.
? Check if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a
different JD form.
D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
® Office (Desk) Determination. Date: August 15, 2008
® Field Determination. Date(s): July 16, 2008
SECTION I1: SUMMARY OF FINDINGS
A. RHA SECTION 10 DETERMINATION OF JURISDICTION.
There Are no "navigable waters of the U.S. within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the
review area. [Required]
? Waters subject to the ebb and flow of the tide.
? Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
Explain:
B. CWA SECTION 404 DETERMINATION OF JURISDICTION.
There " a "waters of the U.S." within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [Required]
1. Waters of the U.S.
a. Indicate presence of waters of U.S. in review area (check all that apply): t
TNWs, including territorial seas
Wetlands adjacent to TNWs
® Relatively permanent watersz (RPWs) that flow directly or indirectly into TNWs
Non-RPWs that flow directly or indirectly into TNWs
? Wetlands directly abutting RPWs that flow directly or indirectly into TNWs
? Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs
Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs
Impoundments of jurisdictional waters
Isolated (interstate or intrastate) waters, including isolated wetlands
b. Identify (estimate) size of waters of the U.S. in the review area:
Non-wetland waters: -50 linear feet: 18-20 width (ft) and/or 0.02 acres.
Wetlands: 0.00 acres.
c. Limits (boundaries) of jurisdiction based on: 1987 Delineation Manual
Elevation of established OHWM (if known):
2. Non-regulated waters/wetlands (check if applicable) :3
Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional.
Explain:
1 Boxes checked below shall be supported by completing the appropriate sections in Section III below.
For purposes of this form, an RPW is defined as a tributary that is not a TNW and that typically flows year-round or has continuous flow at least "seasonally"
(e.g., typically 3 months).
' Supporting documentation is presented in Section III.F.
SECTION III: CWA ANALYSIS
A. TNWs AND WETLANDS ADJACENT TO TNWs
The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete
Section III.A.I and Section III.D.1. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections III.A.1 and 2
and Section III.D.1.; otherwise, see Section IILB below.
1. TNW
Identify TNW:
Summarize rationale supporting determination:
Wetland adjacent to TNW
Summarize rationale supporting conclusion that wetland is "adjacent":
B. CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY):
This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps
determine whether or not the standards for jurisdiction established under Rapanos have been met.
The agencies will assert jurisdiction over non-navigable tributaries of TNWs where the tributaries are "relatively permanent
waters" (RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3
months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round
(perennial) flow, skip to Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow,
skip to Section III.D.4.
A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and
EPA regions will include in the record any available information that documents the existence of a significant nexus between a
relatively permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even
though a significant nexus finding is not required as a matter of law.
If the waterbody4 is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the
waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must
consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for
analytical purposes, the tributary and all of its adjacent wetlands is used whether the review area identified in the JD request is
the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.B.1 for
the tributary, Section 111.6.2 for any onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite
and offsite. The determination whether a significant nexus exists is determined in Section II1.C below.
1. Characteristics of non-TNWs that now directly or indirectly into TNW
(i) General Area Conditions:
Watershed size: Pick List
Drainage area: Pick List
Average annual rainfall: inches
Average annual snowfall: inches
(ii) Physical Characteristics:
(a) Relationship with TNW:
? Tributary flows directly into TNW.
? Tributary flows through Pick List tributaries before entering TNW.
Project waters are Pick List river miles from TNW.
Identify flow route to TN W5:
Tributary stream order, if known:
Project waters are Pick List river miles from RPW.
Project waters are Pick List aerial (straight) miles from TNW.
Project waters are Pick List aerial (straight) miles from RPW.
Project waters cross or serve as state boundaries. Explain:
Note that the Instructional Guidebook contains additional infonnation regarding swales, ditches, washes, and erosional features generally and in the avid
West.
Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to flow into tributary b, which then flows into TNW.
(b) General Tributary Characteristics (check all that apply):
Tributary is: ? Natural
? Artificial (man-made). Explain:
? Manipulated (man-altered). Explain:
Tributary properties with respect to top of bank (estimate):
Average width: feet
Average depth: feet
Average side slopes: Pick List.
Primary tributary substrate composition (check all that apply):
? Silts ? Sands ? Concrete
? Cobbles ? Gravel ? Muck
? Bedrock ? Vegetation. Type/% cover:
? Other. Explain:
Tributary condition/stability [e.g., highly eroding, sloughing banks]. Explain:
Presence of run/riftlc/pool complexes. Explain:
Tributary geometry: Pick List
Tributary gradient (approximate average slope): %
(c) Flow:
Tributary provides for: Pick List
Estimate average number of flow events in review area/year: Pick List
Describe flow regime:
Other information on duration and volume:
Surface flow is: Pick List. Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
Tributary has (check all that apply):
? Bed and banks
? OHWM6 (check all indicators that apply):
? clear, natural line impressed on the bank ?
? changes in the character of soil ?
? shelving ?
? vegetation matted down, bent, or absent ?
? leaf litter disturbed or washed away ?
? sediment deposition ?
? water staining ?
? other (list):
the presence of litter and debris
destruction of terrestrial vegetation
the presence of wrack line
sediment sorting
scour
multiple observed or predicted flow events
abrupt change in plant community
El Discontinuous OHWM.' Explain:
If factors other than the OHWM were used to determ
High Tide Line indicated by:
? oil or scum line along shore objects
? fine shell or debris deposits (foreshore)
? physical markings/characteristics
? tidal gauges
? other (list):
me lateral extent of CWA jurisdiction (check all that apply):
Mean High Water Mark indicated by:
? survey to available datum;
? physical markings;
? vegetation lines/changes in vegetation types.
(iii) Chemical Characteristics:
Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.).
Explain:
Identify specific pollutants, if known:
°A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where
the OHWM has been removed by development or agricultural practices). Where there is a break in the OHWM that is unrelated to the waterbody's flow
regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break.
'Ibid.
(iv) Biological Characteristics. Channel supports (check all that apply):
? Riparian corridor. Characteristics (type, average width):
? Wetland fringe. Characteristics:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
2. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW
(i) Physical Characteristics:
(a) General Wetland Characteristics:
Properties:
Wetland size: acres
Wetland type. Explain:
Wetland quality. Explain:
Project wetlands cross or serve as state boundaries. Explain:
(b) General Flow Relationship with Non-TNW:
Flow is: Pick List. Explain:
Surface flow is: Pick List
Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
(c) Wetland Adjacency Determination with Non-TNW:
? Directly abutting
? Not directly abutting
? Discrete wetland hydrologic connection. Explain:
? Ecological connection. Explain:
? Separated by berm/barrier. Explain:
(d) Proximity (Relationship) to TNW
Project wetlands arc Pick List river miles from TNW.
Project waters are Pick List aerial (straight) miles from TNW.
Flow is from: Pick List.
Estimate approximate location of wetland as within the Pick List tloodplain.
(ii) Chemical Characteristics:
Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed
characteristics; etc.). Explain:
Identify specific pollutants, if known:
(iii) Biological Characteristics. Wetland supports (check all that apply):
? Riparian buffer. Characteristics (type, average width):
? Vegetation type/percent cover. Explain:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
3. Characteristics of all wetlands adjacent to the tributary (if any)
All wetland(s) being considered in the cumulative analysis: Pick List
Approximately ( ) acres in total are being considered in the cumulative analysis.
For each wetland, specify the following:
Directly abuts? (Y/N) Size (in acres) Directly abuts? (Y/N) Size (in acres)
Summarize overall biological, chemical and physical functions being performed:
C. SIGNIFICANT NEXUS DETERMINATION
A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed
by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity
of a TNW. For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent
wetlands, has more than a speculative or insubstantial effect on the chemical, physical and/or biological integrity of a TNW.
Considerations when evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow
of water in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent
wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distance (e.g. between a
tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or
outside of a floodplain is not solely determinative of significant nexus.
Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and
discussed in the Instructional Guidebook. Factors to consider include, for example:
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to
TNWs, or to reduce the amount of pollutants or flood waters reaching a TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and
other species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that
support downstream foodwebs?
• Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or
biological integrity of the TNW?
Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented
below:
Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNWs. Explain
findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section I11.13:
Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into
TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its
adjacent wetlands, then go to Section III.D:
3. Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of
presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to
Section 111.13:
D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL
THAT APPLY):
1. TNWs and Adjacent Wetlands. Check all that apply and provide size estimates in review area:
El TNWs: linear feet width (ft), Or, acres.
Wetlands adjacent to TNWs: acres.
RPWs that flow directly or indirectly into TNWs.
Tributaries of TNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that
tributary is perennial: This unnamed tributary to Briar Creek was determined to be a perennial channel and exhibited a strong
bed and bank, strong perennial flow, and an average ordinary high water width of 18-20 feet. Biological sampling within this
channel revealed a strong presence of amphibians and a weak presence of fish. UT1 to Briar Creek scored 56 out of a
possible 100 points on the USACE Stream Quality Assessment Worksheet and 39 out of a possible 71 points on the NCDWQ
Stream Classification Form, indicating perennial status (SCP2, enclosed).
? Tributaries of TNW where tributaries have continuous flow "seasonally" (e.g., typically three months each year) are
jurisdictional. Data supporting this conclusion is provided at Section III.B. Provide rationale indicating that tributary flows
seasonally:
Provide estimates for jurisdictional waters in the review area (check all that apply):
® Tributary waters: 50 linear feet 18-20 width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
3. Non-RPWs8 that flow directly or indirectly into TNWs.
? Waterbody that is not a TNW or an RPW, but flows directly or indirectly into a TNW, and it has a significant nexus with a
TNW is jurisdictional. Data supporting this conclusion is provided at Section III.C.
Provide estimates for jurisdictional waters within the review area (check all that apply):
? Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Wetlands directly abutting an RPW that flow directly or indirectly into TNWs.
Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands.
Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale
indicating that tributary is perennial in Section III.D.2, above. Provide rationale indicating that wetland is
directly abutting an RPW:
? Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary is
seasonal in Section II1.B and rationale in Section II1.D.2, above. Provide rationale indicating that wetland is directly
abutting an RPW:
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs.
Wetlands that do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent
and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisidictional. Data supporting this
conclusion is provided at Section III.C.
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs.
? Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and
with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this
conclusion is provided at Section III.C.
Provide estimates for jurisdictional wetlands in the review area: acres.
7. Impoundments of jurisdictional waters .9
As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional.
? Demonstrate that impoundment was created from "waters of the U.S.," or
? Demonstrate that water meets the criteria for one of the categories presented above (1-6), or
Demonstrate that water is isolated with a nexus to commerce (see E below).
E. ISOLATED [INTERSTATE OR INTRA-STATEI WATERS, INCLUDING ISOLATED WETLANDS, THE USE,
DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY
SUCH WATERS (CHECK ALL THAT APPLY):"
which are or could be used by interstate or foreign travelers for recreational or other purposes.
'See Footnote # 3.
e To complete the analysis refer to the key in Section III.D.6 of the Instructional Guidebook.
10 Prior to asserting or declining CWA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA HQ for
review consistent with the process described in the Corps/EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos.
? from which fish or shellfish are or could be taken and sold in interstate or foreign commerce.
? which are or could be used for industrial purposes by industries in interstate commerce.
? Interstate isolated waters. Explain:
Other factors. Explain:
Identify water body and summarize rationale supporting determination:
Provide estimates for jurisdictional waters in the review area (check all that apply):
Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
? Wetlands: acres.
NON-JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALL THAT APPLY):
If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers
Wetland Delineation Manual and/or appropriate Regional Supplements.
? Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce.
? Prior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solely on the
"Migratory Bird Rule" (MBR).
Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain:
? Other: (explain, if not covered above):
Provide acreage estimates for non-jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR
factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional
judgment (check all that apply):
Non-wetland waters (i.e., rivers, streams): linear feet width (ft).
Lakes/ponds: acres.
Other non-wetland waters: acres. List type of aquatic resource:
Wetlands: acres.
Provide acreage estimates for non-jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such
a finding is required for jurisdiction (check all that apply):
Non-wetland waters (i.e., rivers, streams): linear feet, width (ft).
Lakes/ponds: acres.
Other non-wetland waters: acres. List type of aquatic resource:
Wetlands: acres.
SECTION IV: DATA SOURCES.
A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where checked
and requested, appropriately reference sources below):
® Maps, plans, plots or plat submitted by or on behalf of the applicant/consultant:
Data sheets prepared/submitted by or on behalf of the applicant/consultant.
? Office concurs with data sheets/delineation report.
? Office does not concur with data sheets/delineation report.
0 Data sheets prepared by the Corps:
Corps navigable waters' study:
U.S. Geological Survey Hydrologic Atlas:
? USGS NHD data.
? USGS 8 and 12 digit HUC maps.
U.S. Geological Survey map(s). Cite scale & quad name:
USDA Natural Resources Conservation Service Soil Survey. Citation:
Q National wetlands inventory map(s). Cite name:
? State/Local wetland inventory map(s):
U FEMA/FIRM maps:
100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929)
Photographs: ® Aerial (Name & Date):
or ® Other (Name & Date):see attached report.
Previous determination(s). File no. and date of response letter:
Applicable/supporting case law:
Applicable/supporting scientific literature:
Other information (please specify):
APPROVED JURISDICTIONAL DETERMINATION FORM
U.S. Army Corps of Engineers
This form should be completed by following the instructions provided in Section IV of the JD Form Instructional Guidebook.
SECTION l: BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD): August 15, 2008
B. DISTRICT OFFICE, FILE NAME, AND NUMBER: Asheville Regional Office
C. PROJECT LOCATION AND BACKGROUND INFORMATION: Briar Creek -Randolph Road, Charlotte, NC - UT2 to Briar
Creek
State:NC County/parish/borough: Mecklenburg City: Charlotte
Center coordinates of site (lat/long in degree decimal format): Lat. 35.186182° N, Long. 80.815924° W.
Universal Transverse Mercator:
Name of nearest waterbody: Briar Creek
Name of nearest Traditional Navigable Water (TNW) into which the aquatic resource flows: Sugar Creek
Name of watershed or Hydrologic Unit Code (HUC): 03050103
® Check if map/diagram of review area and/or potential jurisdictional areas is/are available upon request.
? Check if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a
different JD form.
D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
® Office (Desk) Determination. Date: August 15, 2008
® Field Determination. Date(s): July 16, 2008
SECTION H: SUMMARY OF FINDINGS
A. RHA SECTION 10 DETERMINATION OF JURISDICTION.
There Are no "navigable waters of the U.S." within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the
review area. [Required]
? Waters subject to the ebb and flow of the tide.
? Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
Explain:
B. CWA SECTION 404 DETERMINATION OF JURISDICTION.
There Are "waters of the U.S." within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [Required]
1. Waters of the U.S.
a. Indicate presence of waters of U.S. in review area (check all that apply): '
TNWs, including territorial seas
Wetlands adjacent to TNWs
O Relatively permanent waters2 (RPWs) that flow directly or indirectly into TNWs
Non-RPWs that flow directly or indirectly into TNWs
? Wetlands directly abutting RPWs that flow directly or indirectly into TNWs
Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs
? Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs
Impoundments of jurisdictional waters
? Isolated (interstate or intrastate) waters, including isolated wetlands
b. Identify (estimate) size of waters of the U.S. in the review area:
Non-wetland waters: -50 linear feet: 12 width (ft) and/or 0.01 acres.
Wetlands: 0.00 acres.
c. Limits (boundaries) of jurisdiction based on: 1987 Delineation Manual
Elevation of established OHWM (if known):
2. Non-regulated waters/wetlands (check if applicable) :3
Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional.
Explain:
' Boxes checked below shall be supported by completing the appropriate sections in Section III below.
For purposes of this form, an RPW is defined as a tributary that is not a TNW and that typically flows year-round or has continuous flow at least "seasonally"
(e.g., typically 3 months).
I Supporting documentation is presented in Section 111T.
SECTION III: CWA ANALYSIS
A. TNWs AND WETLANDS ADJACENT TO TNWs
The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete
Section III.A.1 and Section III.D.I. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections III.A.1 and 2
and Section III.D.I.; otherwise, see Section III.B below.
1. TNW
Identify TNW:
Summarize rationale supporting determination:
Wetland adjacent to TNW
Summarize rationale supporting conclusion that wetland is "adjacent":
B. CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY):
This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps
determine whether or not the standards for jurisdiction established under Rapanos have been met.
The agencies will assert jurisdiction over non-navigable tributaries of TNWs where the tributaries are "relatively permanent
waters" (RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3
months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round
(perennial) flow, skip to Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow,
skip to Section III.D.4.
A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and
EPA regions will include in the record any available information that documents the existence of a significant nexus between a
relatively permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even
though a significant nexus finding is not required as a matter of law.
If the waterbody4 is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the
waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must
consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for
analytical purposes, the tributary and all of its adjacent wetlands is used whether the review area identified in the JD request is
the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.B.1 for
the tributary, Section III.B.2 for any onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite
and offsite. The determination whether a significant nexus exists is determined in Section III.C below.
1. Characteristics of non-TNWs that flow directly or indirectly into TNW
(i) General Area Conditions:
Watershed size: Pick List
Drainage area: Pick List
Average annual rainfall: inches
Average annual snowfall: inches
(ii) Physical Characteristics:
(a) Relationship with TNW:
? Tributary flows directly into TNW.
? Tributary flows through Pick List tributaries before entering TNW.
Project waters are Pick List river miles from TNW.
Identify flow route to TNW5:
Tributary stream order, if known:
Project waters are Pick List river miles from RPW.
Project waters are Pick List aerial (straight) miles from TNW.
Project waters are Pick List aerial (straight) miles from RPW.
Project waters cross or serve as state boundaries. Explain:
Note that the Instructional Guidebook contains additional information regarding swales, ditches, washes, and erosional features generally and in the and
West.
5 Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to flow into tributary b, which then flows into TNW.
(b) General Tributary Characteristics (check all that apply):
Tributary is: ? Natural
? Artificial (man-made). Explain:
? Manipulated (man-altered). Explain:
Tributary properties with respect to top of bank (estimate):
Average width: feet
Average depth: feet
Average side slopes: Pick List.
Primary tributary substrate composition (check all that apply):
? Silts ? Sands ? Concrete
? Cobbles ? Gravel ? Muck
? Bedrock ? Vegetation. Type/% cover:
? Other. Explain:
Tributary condition/stability [e.g., highly eroding, sloughing banks]. Explain:
Presence of run/riffle/pool complexes. Explain:
Tributary geometry: Pick List
Tributary gradient (approximate average slope): %
(c) Flow:
Tributary provides for:
Estimate average number of flow events in review area/year: Pick List
Describe flow regime:
Other information on duration and volume:
Surface flow is: Pick List. Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
Tributary has (check all that apply):
? Bed and banks
? OHWM6 (check all indicators that apply):
? clear, natural line impressed on the bank ?
? changes in the character of soil ?
? shelving ?
? vegetation matted down, bent, or absent ?
? leaf litter disturbed or washed away ?
? sediment deposition ?
? water staining ?
? other (list):
F1 Discontinuous OHWM.' Explain:
the presence of litter and debris
destruction of terrestrial vegetation
the presence of wrack line
sediment sorting
scour
multiple observed or predicted flow events
abrupt change in plant community
If factors other than the OHWM were used to determine lateral extent of CWA jurisdiction (check all that apply):
0 High Tide Line indicated by: 0 Mean High Water Mark indicated by:
? oil or scum line along shore objects ? survey to available datum;
? fine shell or debris deposits (foreshore) ? physical markings;
? physical markings/characteristics ? vegetation lines/changes in vegetation types.
? tidal gauges
? other (list):
(iii) Chemical Characteristics:
Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.).
Explain:
Identify specific pollutants, if known:
'A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where
the OHWM has been removed by development or agricultural practices). Where there is a break in the OHWM that is unrelated to the waterbody's flow
regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break.
'Ibid.
(iv) Biological Characteristics. Channel supports (check all that apply):
? Riparian corridor. Characteristics (type, average width):
? Wetland fringe. Characteristics:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
2. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW
(i) Physical Characteristics:
(a) General Wetland Characteristics:
Properties:
Wetland size: acres
Wetland type. Explain:
Wetland quality. Explain:
Project wetlands cross or serve as state boundaries. Explain:
(b) General Flow Relationship with Non-TNW:
Flow is: Pick List. Explain:
Surface flow is: Pick List
Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
(c) Wetland Adjacency Determination with Non-TNW:
? Directly abutting
? Not directly abutting
? Discrete wetland hydrologic connection. Explain:
? Ecological connection. Explain:
? Separated by berm/barrier. Explain:
(d) Proximily (Relationship) to TNW
Project wetlands are Pick List river miles from TNW.
Project waters are Pick List aerial (straight) miles from TNW.
Flow is from: Pick List.
Estimate approximate location of wetland as within the Pick List floodplain.
(ii) Chemical Characteristics:
Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed
characteristics; etc.). Explain:
Identify specific pollutants, if known:
(iii) Biological Characteristics. Wetland supports (check all that apply):
? Riparian buffer. Characteristics (type, average width):
? Vegetation type/percent cover. Explain:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
3. Characteristics of all wetlands adjacent to the tributary (if any)
All wetland(s) being considered in the cumulative analysis: Pick List
Approximately ( ) acres in total are being considered in the cumulative analysis.
For each wetland, specify the following:
Directly abuts? (Y/N) Size (in acres) Directly abuts? (Y/N) Size (in acres)
Summarize overall biological, chemical and physical functions being performed:
C. SIGNIFICANT NEXUS DETERMINATION
A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed
by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity
of a TNW. For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent
wetlands, has more than a speculative or insubstantial effect on the chemical, physical and/or biological integrity of a TNW.
Considerations when evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow
of water in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent
wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distance (e.g. between a
tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or
outside of a floodplain is not solely determinative of significant nexus.
Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and
discussed in the Instructional Guidebook. Factors to consider include, for example:
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to
TNWs, or to reduce the amount of pollutants or flood waters reaching a TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and
other species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that
support downstream foodwebs?
• Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or
biological integrity of the TNW?
Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented
below:
Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNWs. Explain
findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section 111.13:
Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into
TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its
adjacent wetlands, then go to Section 111.13:
3. Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of
presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to
Section 111.13:
D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL
THAT APPLY):
1. TNWs and Adjacent Wetlands. Check all that apply and provide size estimates in review area:
TNWs: linear feet width (ft), Or, acres.
Wetlands adjacent to TNWs: acres.
RPWs that flow directly or indirectly into TNWs.
10 Tributaries of TNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that
tributary is perennial: This unnamed tributary to Briar Creek was determined to be a perennial channel and exhibited a strong
bed and bank, perennial flow, and an average ordinary high water width of 12 feet. Biological sampling within this channel
revealed a moderate presence of fish and amphibians and a weak presence of benthic macroinvertebrates. UT2 to Briar Creek
scored 51 out of a possible 100 points on the USACE Stream Quality Assessment Worksheet and 43 out of a possible 71
points on the NCDWQ Stream Classification Form, indicating perennial status (SCP3, enclosed).
? Tributaries of TNW where tributaries have continuous flow "seasonally" (e.g., typically three months each year) are
jurisdictional. Data supporting this conclusion is provided at Section III.B. Provide rationale indicating that tributary flows
seasonally:
Provide estimates for jurisdictional waters in the review area (check all that apply):
® Tributary waters: 50 linear feet 12 width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
3. Non-RPWs8 that flow directly or indirectly into TNWs.
? Waterbody that is not a TNW or an RPW, but flows directly or indirectly into a TNW, and it has a significant nexus with a
TNW is jurisdictional. Data supporting this conclusion is provided at Section III.C.
Provide estimates for jurisdictional waters within the review area (check all that apply):
? Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Wetlands directly abutting an RPW that flow directly or indirectly into TNWs.
Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands.
? Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale
indicating that tributary is perennial in Section III.D.2, above. Provide rationale indicating that wetland is
directly abutting an RPW:
? Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary is
seasonal in Section III.B and rationale in Section III.D.2, above. Provide rationale indicating that wetland is directly
abutting an RPW:
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs.
Wetlands that do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent
and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisidictional. Data supporting this
conclusion is provided at Section III.C.
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs.
Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and
with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this
conclusion is provided at Section III.C.
Provide estimates for jurisdictional wetlands in the review area: acres.
Impoundments of jurisdictional waters.9
As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional.
? Demonstrate that impoundment was created from "waters of the U.S.," or
? Demonstrate that water meets the criteria for one of the categories presented above (1-6), or
? Demonstrate that water is isolated with a nexus to commerce (see E below).
E. ISOLATED INTERSTATE OR INTRA-STATE1 WATERS, INCLUDING ISOLATED WETLANDS, THE USE,
DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY
SUCH WATERS (CHECK ALL THAT APPLY):"
which are or could be used by interstate or foreign travelers for recreational or other purposes.
"See Footnote # 3.
9 To complete the analysis refer to the key in Section III.D.6 of the Instructional Guidebook.
10 Prior to asserting or declining CWA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA HQ for
review consistent with the process described in the Corps/EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos.
? from which fish or shellfish are or could be taken and sold in interstate or foreign commerce.
? which are or could be used for industrial purposes by industries in interstate commerce.
? Interstate isolated waters. Explain:
? Other factors. Explain:
Identify water body and summarize rationale supporting determination:
Provide estimates for jurisdictional waters in the review area (check all that apply):
? Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
? Wetlands: acres.
NON-JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALL THAT APPLY):
? If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers
Wetland Delineation Manual and/or appropriate Regional Supplements.
? Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce.
? Prior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solely on the
"Migratory Bird Rule" (MBR).
? Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain:
? Other: (explain, if not covered above):
Provide acreage estimates for non jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR
factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional
judgment (check all that apply):
? Non-wetland waters (i.e., rivers, streams): linear feet width (ft).
? Lakes/ponds: acres.
? Other non-wetland waters: acres. List type of aquatic resource:
? Wetlands: acres.
Provide acreage estimates for non-jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such
a finding is required for jurisdiction (check all that apply):
? Non-wetland waters (i.e., rivers, streams): linear feet, width (ft).
? Lakes/ponds: acres.
? Other non-wetland waters: acres. List type of aquatic resource:
? Wetlands: acres.
SECTION IV: DATA SOURCES.
A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where checked
and requested, appropriately reference sources below):
® Maps, plans, plots or plat submitted by or on behalf of the applicant/consultant:
® Data sheets prepared/submitted by or on behalf of the applicant/consultant.
? Office concurs with data sheets/delineation report.
? Office does not concur with data sheets/delineation report.
? Data sheets prepared by the Corps:
? Corps navigable waters' study:
U.S. Geological Survey Hydrologic Atlas:
? USGS NHD data.
? USGS 8 and 12 digit HUC maps.
® U.S. Geological Survey map(s). Cite scale & quad name:
USDA Natural Resources Conservation Service Soil Survey. Citation:
? National wetlands inventory map(s). Cite name:
State/Local wetland inventory map(s):
? FEMA/FIRM maps:
? 100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929)
® Photographs: ® Aerial (Name & Date):
or ® Other (Name & Date):see attached report.
? Previous determination(s). File no. and date of response letter:
? Applicable/supporting case law:
? Applicable/supporting scientific literature:
? Other information (please specify):
APPROVED JURISDICTIONAL DETERMINATION FORM
U.S. Army Corps of Engineers
This form should be completed by following the instructions provided in Section IV of the JD Form Instructional Guidebook.
SECTION 1: BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD): August 15, 2008
B. DISTRICT OFFICE, FILE NAME, AND NUMBER:Asheville Regional Office
C. PROJECT LOCATION AND BACKGROUND INFORMATION: Briar Creek -Randolph Road, Charlotte, NC - UT3 to Briar
Creek
State:NC County/parish/borough: Mecklenburg City: Charlotte
Center coordinates of site (lat/long in degree decimal format): Lat. 35.186182° 1, Long. 80.815924° W.
Universal Transverse Mercator:
Name of nearest waterbody: Briar Creek
Name of nearest Traditional Navigable Water (TNW) Into which the aquatic resource flows: Sugar Creek
Name of watershed or Hydrologic Unit Code (HUC): 03050103
® Check if map/diagram of review area and/or potential jurisdictional areas is/are available upon request.
Check if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a
different JD form.
D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
Office (Desk) Determination. Date: August 15, 2008
Field Determination. Date(s): July 16, 2008
SECTION II: SUMMARY OF FINDINGS
A. RHA SECTION 10 DETERMINATION OF JURISDICTION.
There A'it uo "navigable waters of the U.S." within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the
review area. [Required]
E] Waters subject to the ebb and flow of the tide.
Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
Explain:
B. CWA SECTION 404 DETERMINATION OF JURISDICTION.
There Are "waters of the U.S." within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [Required]
1. Waters of the U.S.
a. Indicate presence of waters of U.S. in review area (check all that apply): t
13 TNWs, including territorial seas
Wetlands adjacent to TNWs
Relatively permanent waters2 (RPWs) that flow directly or indirectly into TNWs
E] Non-RPWs that flow directly or indirectly into TNWs
$` Wetlands directly abutting RPWs that flow directly or indirectly into TNWs
Q Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs
] Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs
Impoundments of jurisdictional waters
0 Isolated (interstate or intrastate) waters, including isolated wetlands
b. Identify (estimate) size of waters of the U.S. in the review area:
Non-wetland waters: -50 linear feet: 4-6 width (ft) and/or 0.01 acres.
Wetlands: 0.00 acres.
c. Limits (boundaries) of jurisdiction based on: t"7144441
iilan?i iu tl
Elevation of established OHWM (if known):
2. Non-regulated waters/wetlands (check if applicable) 3
Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional.
Explain:
' Boxes checked below shall be supported by completing the appropriate sections in Section 111 below.
'- For purposes of this form, an RPW is defined as a tributary that is not a TNW and that typically flows year-round or has continuous flow at least "seasonally"
(e.g., typically 3 months).
' Supporting documentation is presented in Section III.F.
SECTION 111: CWA ANALYSIS
A. TNWs AND WETLANDS ADJACENT TO TNWs
The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete
Section III.A.1 and Section III.D.1. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections H1.A.] and
and Section III.D.I.; otherwise, see Section HLB below.
1. TNW
Identify TNW:
Summarize rationale supporting determination:
Wetland adjacent to TNW
Summarize rationale supporting conclusion that wetland is "adjacent":
B. CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY):
This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps
determine whether or not the standards for jurisdiction established under Ropsnos have been met.
The agencies will assert jurisdiction over non-navigable tributaries of TNWs where the tributaries are "relatively permanent
waters" (RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3
months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round
(perennial) flow, skip to Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow,
skip to Section III.D.4.
A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and
EPA regions will include in the record any available information that documents the existence of a significant nexus between a
relatively permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even
though a significant nexus finding is not required as a matter of law.
If the waterbody° is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the
waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must
consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for
analytical purposes, the tributary and all of its adjacent wetlands is used whether the review area identified in the JD request is
the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section HI.B.I for
the tributary, Section III.B.2 for any onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite
and offsite. The determination whether a significant nexus exists is determined in Section III.C below.
1. Characteristics of non-TNWs that flow directly or indirectly into TNW
(i) General Area Conditions:
Watershed size: Pick List
Drainage area: Pick List
Average annual rainfall: inches
Average annual snowfall: inches
(ii) Physical Characteristics:
(a) Relationship with TNW:
? Tributary flows directly into TNW.
? Tributary flows through Pick List tributaries before entering TNW.
Project waters are Pick List river miles from TNW.
Identify flow route to TNW5:
Tributary stream order, if known:
Project waters are Pick List river miles from RPW.
Project waters are Pick List aerial (straight) miles from TNW.
Project waters are Pick List aerial (straight) miles from RPW.
Project waters cross or serve as state boundaries. Explain:
" Note that the Instructional Guidebook contains additional information regarding swales, ditches, washes, and erosional features generally and in the and
West.
Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to flow into tributary b, which then flows into TNW.
(b) General Tributary Characteristics (check all that apply):
Tributary is: ? Natural
? Artificial (man-made). Explain:
? Manipulated (man-altered). Explain:
Tributary properties with respect to top of bank (estimate):
Average width: feet
Average depth: feet
Average side slopes: Pick List.
Primary tributary substrate composition (check all that apply):
? Silts ? Sands ? Concrete
? Cobbles ? Gravel ? Muck
? Bedrock ? Vegetation. Type/% cover:
? Other. Explain:
Tributary condition/stability [e.g., highly eroding, sloughing banks]. Explain:
Presence of run/ritflc,ipool complexes. Explain:
Tributary geometry: Pick List
Tributary gradient (approximate average slope): %
(c) Flow:
Tributary provides for.
Estimate average number of flow events in review area/year: ?t
Describe flow regime:
Other information on duration and volume:
Surface flow is: Pick List Characteristics:
Subsurface flow: Pick Lilst. Explain findings:
? Dye (or other) test performed:
Tributary has (check all that apply):
? Bed and banks
? OHWM6 (check all indicators that apply):
? clear, natural line impressed on the bank ?
? changes in the character of soil ?
? shelving ?
? vegetation matted down, bent, or absent ?
? leaf litter disturbed or washed away ?
? sediment deposition ?
? water staining ?
? other (list):
E] Discontinuous OHWM.' Explain:
the presence of litter and debris
destruction of terrestrial vegetation
the presence of wrack line
sediment sorting
scour
multiple observed or predicted flow events
abrupt change in plant community
If factors other than the OHWM were used to determine lateral extent of CWA jurisdiction (check all that apply):
High Tide Line indicated by: Mean High Water Mark indicated by:
? oil or scum line along shore objects ? survey to available datum;
? fine shell or debris deposits (foreshore) ? physical markings;
? physical markings/characteristics ? vegetation lines/changes in vegetation types.
? tidal gauges
? other (list):
(iii) Chemical Characteristics:
Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.).
Explain:
Identify specific pollutants, if known:
6A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where
the OHWM has been removed by development or agricultural practices). Where there is a break in the OHWM that is unrelated to the waterbody's flow
regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break.
'Ibid.
(iv) Biological Characteristics. Channel supports (check all that apply):
? Riparian corridor. Characteristics (type, average width):
? Wetland fringe. Characteristics:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
2. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW
(i) Physical Characteristics:
(a) General Wetland Characteristics:
Properties:
Wetland size: acres
Wetland type. Explain:
Wetland quality. Explain:
Project wetlands cross or serve as state boundaries. Explain:
(b) General Flow Relationship with Non-TNW:
Flow is: Pick List. Explain:
Surface flow is: Pick List
Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
(c) Wetland Adjacency Determination with Non-TNW:
? Directly abutting
? Not directly abutting
? Discrete wetland hydrologic connection. Explain:
? Ecological connection. Explain:
? Separated by berm/barrier. Explain:
(d) Proximity (Relationship) to TNW
Project wetlands are Pick List river miles from TNW.
Project waters are Pick List aerial (straight) miles from TNW.
Flow is from: Pick List.
Estimate approximate location of wetland as within the Pick List tloodplain.
(ii) Chemical Characteristics:
Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed
characteristics; etc.). Explain:
Identify specific pollutants, if known:
(iii) Biological Characteristics. Wetland supports (check all that apply):
? Riparian buffer. Characteristics (type, average width):
? Vegetation type/percent cover. Explain:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
3. Characteristics of all wetlands adjacent to the tributary (if any)
All wetland(s) being considered in the cumulative analysis: Piet[ List
Approximately ( ) acres in total are being considered in the cumulative analysis.
For each wetland, specify the following:
Directly abuts? (Y/N) Size (in acres) Directly abuts? (Y/N) Size (in acres)
Summarize overall biological, chemical and physical functions being performed:
C. SIGNIFICANT NEXUS DETERMINATION
A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed
by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity
of a TNW. For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent
wetlands, has more than a speculative or insubstantial effect on the chemical, physical and/or biological integrity of a TNW.
Considerations when evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow
of water in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent
wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distance (e.g. between a
tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or
outside of a floodplain is not solely determinative of significant nexus.
Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and
discussed in the Instructional Guidebook. Factors to consider include, for example:
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to
TNWs, or to reduce the amount of pollutants or flood waters reaching a TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and
other species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that
support downstream foodwebs?
• Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or
biological integrity of the TNW?
Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented
below:
1. Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNWs. Explain
findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section III.D:
2. Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into
TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its
adjacent wetlands, then go to Section III.D:
3. Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of
presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to
Section 111.D:
D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL
THAT APPLY):
1. TNWs and Adjacent Wetlands. Check all that apply and provide size estimates in review area:
Q TNWs: linear feet width (ft), Or, acres.
0 Wetlands adjacent to TNWs: acres.
RPWs that now directly or indirectly into TNWs.
ED Tributaries of TNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that
tributary is perennial: This unnamed tributary to Briar Creek was determined to be a perennial channel and exhibited a strong
bed and bank, perennial flow, and an average ordinary high water width of 4-6 feet. Biological sampling within this channel
revealed a moderate presence of amphibians and a weak presence of benthic macroinvertebrates. UT3 to Briar Creek scored
43 out of a possible 100 points on the USACE Stream Quality Assessment Worksheet and 38 out of a possible 71 points on
the NCDWQ Stream Classification Form, indicating perennial status (SCP4, enclosed).
? Tributaries of TNW where tributaries have continuous flow "seasonally" (e.g., typically three months each year) are
jurisdictional. Data supporting this conclusion is provided at Section III.B. Provide rationale indicating that tributary flows
seasonally:
Provide estimates for jurisdictional waters in the review area (check all that apply):
® Tributary waters: 50 linear feet 4-6 width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
3. Non-RPWss that flow directly or indirectly into TNWs.
Waterbody that is not a TNW or an RPW, but flows directly or indirectly into a TNW, and it has a significant nexus with a
TNW is jurisdictional. Data supporting this conclusion is provided at Section III.C.
Provide estimates for jurisdictional waters within the review area (check all that apply):
Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Wetlands directly abutting an RPW that flow directly or indirectly into TNWs.
? Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands.
? Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale
indicating that tributary is perennial in Section III.D.2, above. Provide rationale indicating that wetland is
directly abutting an RPW:
? Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary
seasonal in Section I11.13 and rationale in Section III.D.2, above. Provide rationale indicating that wetland is directly
abutting an RPW:
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs.
Wetlands that do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent
and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisidictional. Data supporting this
conclusion is provided at Section III.C.
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs.
Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and
with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this
conclusion is provided at Section III.C.
Provide estimates for jurisdictional wetlands in the review area: acres.
7. Impoundments of jurisdictional waters.9
As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional.
? Demonstrate that impoundment was created from "waters of the U.S.," or
? Demonstrate that water meets the criteria for one of the categories presented above (1-6), or
? Demonstrate that water is isolated with a nexus to commerce (see E below).
E. ISOLATED ]INTERSTATE OR INTRA-STATE] WATERS, INCLUDING ISOLATED WETLANDS, THE USE,
DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY
SUCH WATERS (CHECK ALL THAT APPLY):"
which are or could be used by interstate or foreign travelers for recreational or other purposes.
'See Footnote # 3.
e To complete the analysis refer to the key in Section III.D.6 of the Instructional Guidebook.
10 Prior to asserting or declining CWA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA HQ for
review consistent with the process described in the Corps/EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos.
? from which fish or shellfish are or could be taken and sold in interstate or foreign commerce.
? which are or could be used for industrial purposes by industries in interstate commerce.
? Interstate isolated waters. Explain:
? Other factors. Explain:
Identify water body and summarize rationale supporting determination:
Provide estimates for jurisdictional waters in the review area (check all that apply):
Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
? Wetlands:
acres.
NON-JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALL THAT APPLY):
If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers
Wetland Delineation Manual and/or appropriate Regional Supplements.
? Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce.
? Prior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solel on the
"Migratory Bird Rule" (MBR).
? Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain:
Other: (explain, if not covered above):
Provide acreage estimates for non-jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR
factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional
judgment (check all that apply):
? Non-wetland waters (i.e., rivers, streams): linear feet width (ft).
? Lakes/ponds: acres.
Other non-wetland waters: acres. List type of aquatic resource:
Wetlands: acres.
Provide acreage estimates for non-jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such
a finding is required for jurisdiction (check all that apply):
? Non-wetland waters (i.e., rivers, streams): linear feet, width (ft).
? Lakes/ponds: acres.
? Other non-wetland waters: acres. List type of aquatic resource:
Wetlands: acres.
SECTION 1V: DATA SOURCES.
A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where checked
and requested, appropriately reference sources below):
Maps, plans, plots or plat submitted by or on behalf of the applicant/consultant:
Data sheets prepared/submitted by or on behalf of the applicant/consultant.
? Office concurs with data sheets/delineation report.
? Office does not concur with data sheets/delineation report.
Data sheets prepared by the Corps:
Corps navigable waters' study:
M U.S. Geological Survey Hydrologic Atlas:
? USGS NHD data.
? USGS 8 and 12 digit HUC maps.
U.S. Geological Survey map(s). Cite scale & quad name:
USDA Natural Resources Conservation Service Soil Survey. Citation:
National wetlands inventory map(s). Cite name:
State/Local wetland inventory map(s):
FEMA/FIRM maps:
100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929)
Photographs: ® Aerial (Name & Date):
or ® Other (Name & Date):see attached report.
Q Previous determination(s). File no. and date of response letter:
Applicable/supporting case law:
? Applicable/supporting scientific literature:
Other information (please specify):
Identify type(s) of waters:
APPROVED JURISDICTIONAL DETERMINATION FORM
U.S. Army Corps of Engineers
This form should be completed by following the instructions provided in Section IV of the JD Form Instructional Guidebook
SECTION 1: BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD): August 15, 2008
B. DISTRICT OFFICE, FILE NAME, AND NUMBER:Asheville Regional Office
C. PROJECT LOCATION AND BACKGROUND INFORMATION: Briar Creek - Randolph Road, Charlotte, NC - UT4 to Briar
Creek
State:NC County/parish/borough: Mecklenburg City: Charlotte
Center coordinates of site (lat/long in degree decimal format): Lat. 35.183472° N, Long. 80.818907° .
Universal Transverse Mercator:
Name of nearest waterbody: Briar Creek
Name of nearest Traditional Navigable Water (TNW) into which the aquatic resource flows: Sugar Creek
Name of watershed or Hydrologic Unit Code (HUC): 03050103
0 Check if map/diagram of review area and/or potential jurisdictional areas is/are available upon request.
Check if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a
different JD form.
D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
0 Office (Desk) Determination. Date: August 15, 2008
® Field Determination. Date(s): July 16, 2008
SECTION II: SUMMARY OF FINDINGS
A. RHA SECTION 10 DETERMINATION OF JURISDICTION.
There X i e "navigable waters of the U.S." within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the
review area. [Required]
[ Waters subject to the ebb and flow of the tide.
Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
Explain:
B. CWA SECTION 404 DETERMINATION OF JURISDICTION.
There Are "waters of the U.S." within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [Required]
1. Waters of the U.S.
a. Indicate presence of waters of U.S. in review area (check all that apply):'
TNWs, including territorial seas
Wetlands adjacent to TNWs
Relatively permanent waters2 (RPWs) that flow directly or indirectly into TNWs
E] Non-RPWs that flow directly or indirectly into TNWs
Wetlands directly abutting RPWs that flow directly or indirectly into TNWs
NAR Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs
Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs
Impoundments of jurisdictional waters
Isolated (interstate or intrastate) waters, including isolated wetlands
b. Identify (estimate) size of waters of the U.S. in the review area:
Non-wetland waters: -50 linear feet: 10-12 width (ft) and/or 0.01 acres.
Wetlands: 0.00 acres.
c. Limits (boundaries) of jurisdiction based on ?l u
Elevation of established OHWM (if known):
2. Non-regulated waters/wetlands (check if applicable) :3
Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional.
Explain:
' Boxes checked below shall be supported by completing the appropriate sections in Section III below.
'' For purposes of this form, an RPW is defined as a tributary that is not a TNW and that typically flows year-round or has continuous flow at least "seasonally"
(e.g., typically 3 months).
' Supporting documentation is presented in Section III.F.
SECTION III: CWA ANALYSIS
A. TNWs AND WETLANDS ADJACENT TO TNWs
The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete
Section III.A.1 and Section III.D.1. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections III.A.I and
and Section III.D.I.; otherwise, see Section 111.13 below.
1. TNW
Identify TNW:
Summarize rationale supporting determination:
Wetland adjacent to TNW
Summarize rationale supporting conclusion that wetland is "adjacent":
B. CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY):
This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps
determine whether or not the standards for jurisdiction established under Rapanos have been met.
The agencies will assert jurisdiction over non-navigable tributaries of TNWs where the tributaries are "relatively permanent
waters" (RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3
months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round
(perennial) flow, skip to Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow,
skip to Section III.D.4.
A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and
EPA regions will include in the record any available information that documents the existence of a significant nexus between a
relatively permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even
though a significant nexus finding is not required as a matter of law.
If the waterbody4 is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the
waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must
consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for
analytical purposes, the tributary and all of its adjacent wetlands is used whether the review area identified in the JD request is
the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.B.1 for
the tributary, Section III.B.2 for any onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite
and offsite. The determination whether a significant nexus exists is determined in Section III.C below.
1. Characteristics of non-TNWs that flow directly or indirectly into TNW
(i) General Area Conditions:
Watershed size: Pick List
Drainage area: Pick List
Average annual rainfall: inches
Average annual snowfall: inches
(ii) Physical Characteristics:
(a) Relationship with TNW:
? Tributary flows directly into TNW.
? Tributary flows through Pick List tributaries before entering TNW.
Project waters are Pick List river miles from TNW.
Identify flow route to TN W5:
Tributary stream order, if known:
Project waters are Pick List river miles from RPW.
Project waters are Pick List aerial (straight) miles from TNW.
Project waters are Pick List aerial (straight) miles from RPW.
Project waters cross or serve as state boundaries. Explain:
° Note that the Instructional Guidebook contains additional information regarding swales, ditches, washes, and erosional features generally and in the arid
West.
S Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to flow into tributary b, which then flows into TNW.
(b) General Tributary Characteristics (check all that apply):
Tributary is: ? Natural
? Artificial (man-made). Explain:
? Manipulated (man-altered). Explain:
Tributary properties with respect to top of bank (estimate):
Average width: feet
Average depth: feet
Average side slopes: Pick List.
Primary tributary substrate composition (check all that apply):
? Silts ? Sands ? Concrete
? Cobbles ? Gravel ? Muck
? Bedrock ? Vegetation. Type/% cover:
? Other. Explain:
Tributary condition/stability [e.g., highly eroding, sloughing banks]. Explain:
Presence of run/riffle/pool complexes. Explain:
Tributary geometry: Pick List
Tributary gradient (approximate average slope): %
(c) Flow:
Tributary provides for: K"010
Estimate average number of flow events in review area/year: Eck List
Describe flow regime:
Other information on duration and volume:
Surface flow is: Pick List. Characteri stics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
Tributary has (check all that apply):
? Bed and banks
? OHWM6 (check all indicators that apply):
? clear, natural line impressed on the bank ?
? changes in the character of soil ?
? shelving ?
? vegetation matted down, bent, or absent ?
? leaf litter disturbed or washed away ?
? sediment deposition ?
? water staining ?
? other (list):
the presence of litter and debris
destruction of terrestrial vegetation
the presence of wrack line
sediment sorting
scour
multiple observed or predicted flow events
abrupt change in plant community
? Discontinuous OHWM.7 Explain:
If factors other than the OHWM were used to determ
High Tide Line indicated by:
? oil or scum line along shore objects
? fine shell or debris deposits (foreshore)
? physical markings/characteristics
? tidal gauges
? other (list):
ine lateral extent of CWA jurisdiction (check all that apply):
Mean High Water Mark indicated by:
? survey to available datum;
? physical markings;
? vegetation lines/changes in vegetation types.
(iii) Chemical Characteristics:
Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.).
Explain:
Identify specific pollutants, if known:
'A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where
the OHWM has been removed by development or agricultural practices). Where there is a break in the OHWM that is unrelated to the waterbody's flow
regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break.
'Ibid.
(iv) Biological Characteristics. Channel supports (check all that apply):
? Riparian corridor. Characteristics (type, average width):
? Wetland fringe. Characteristics:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
2. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW
(i) Physical Characteristics:
(a) General Wetland Characteristics:
Properties:
Wetland size: acres
Wetland type. Explain:
Wetland quality. Explain:
Project wetlands cross or serve as state boundaries. Explain:
(b) General Flow Relationship with Non-TNW:
Flow is: Pick List. Explain:
Surface flow is: Pick List
Characteristics:
Subsurface flow: Pick List. Explain findings:
? Dye (or other) test performed:
(c) Wetland Adjacency Determination with Non-TNW:
? Directly abutting
? Not directly abutting
? Discrete wetland hydrologic connection. Explain:
? Ecological connection. Explain:
? Separated by berm/barrier. Explain:
(d) Proximity (Relationship) to TNW
Project wetlands are Pick List river miles from TNW.
Project waters are Pick List aerial (straight) miles from TNW.
Flow is from: Pick List.
Estimate approximate location of wetland as within the Pick List floodplain.
(ii) Chemical Characteristics:
Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed
characteristics; etc.). Explain:
Identify specific pollutants, if known:
(iii) Biological Characteristics. Wetland supports (check all that apply):
? Riparian buffer. Characteristics (type, average width):
? Vegetation type/percent cover. Explain:
? Habitat for:
? Federally Listed species. Explain findings:
? Fish/spawn areas. Explain findings:
? Other environmentally-sensitive species. Explain findings:
? Aquatic/wildlife diversity. Explain findings:
3. Characteristics of all wetlands adjacent to the tributary (if any)
All wetland(s) being considered in the cumulative analysis: Pick Lht
Approximately ( ) acres in total are being considered in the cumulative analysis.
For each wetland, specify the following:
Directly abuts? (Y/N) Size (in acres) Directly abuts? (Y/N) Size (in acres)
Summarize overall biological, chemical and physical functions being performed:
C. SIGNIFICANT NEXUS DETERMINATION
A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed
by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity
of a TNW. For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent
wetlands, has more than a speculative or insubstantial effect on the chemical, physical and/or biological integrity of a TNW.
Considerations when evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow
of water in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent
wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distance (e.g. between a
tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or
outside of a floodplain is not solely determinative of significant nexus.
Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and
discussed in the Instructional Guidebook. Factors to consider include, for example:
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to
TNWs, or to reduce the amount of pollutants or flood waters reaching a TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and
other species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that
support downstream foodwebs?
• Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or
biological integrity of the TNW?
Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented
below:
1. Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNWs. Explain
findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section III.D:
Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into
TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its
adjacent wetlands, then go to Section III.D:
Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of
presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to
Section III.D:
D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL
THAT APPLY):
1. TNWs and Adjacent Wetlands. Check all that apply and provide size estimates in review area:
TNWs: linear feet width (ft), Or, acres.
Q Wetlands adjacent to TNWs: acres.
RPWs that flow directly or indirectly into TNWs.
® Tributaries of TNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that
tributary is perennial: This unnamed tributary flows to Briar Creek from an elevated outfall; the channel gradient at its
confluence with Briar Creek is rather steep. This channel was determined to be perennial and exhibited perennial flow and an
average ordinary high water width of 10-12 feet. Biological sampling within this channel revealed a moderate presence of
amphibians. UT4 to Briar Creek scored 45 out of a possible 100 points on the USACE Stream Quality Assessment
Worksheet and 31.25 out of a possible 71 points on the NCDWQ Stream Classification Form, indicating perennial status
(SCP6, enclosed).
? Tributaries of TNW where tributaries have continuous flow "seasonally" (e.g., typically three months each year) are
jurisdictional. Data supporting this conclusion is provided at Section III.B. Provide rationale indicating that tributary flows
seasonally:
Provide estimates for jurisdictional waters in the review area (check all that apply):
® Tributary waters: 50 linear feet 10-12 width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Non-RPWs8 that flow directly or indirectly into TNWs.
? Waterbody that is not a TNW or an RPW, but flows directly or indirectly into a TNW, and it has a significant nexus with a
TNW is jurisdictional. Data supporting this conclusion is provided at Section II1.C.
Provide estimates for jurisdictional waters within the review area (check all that apply):
? Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Wetlands directly abutting an RPW that flow directly or indirectly into TNWs.
Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands.
? Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale
indicating that tributary is perennial in Section III.D.2, above. Provide rationale indicating that wetland is
directly abutting an RPW:
Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary is
seasonal in Section II1.B and rationale in Section III.D.2, above. Provide rationale indicating that wetland is directly
abutting an RPW:
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs.
Wetlands that do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent
and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisidictional. Data supporting this
conclusion is provided at Section III.C.
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs.
Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and
with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this
conclusion is provided at Section III.C.
Provide estimates for jurisdictional wetlands in the review area: acres.
Impoundments of jurisdictional waters .9
As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional.
? Demonstrate that impoundment was created from "waters of the U.S.," or
? Demonstrate that water meets the criteria for one of the categories presented above (1-6), or
? Demonstrate that water is isolated with a nexus to commerce (see E below).
E. ISOLATED INTERSTATE OR INTRA-STATEI WATERS, INCLUDING ISOLATED WETLANDS, THE USE,
DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY
SUCH WATERS (CHECK ALL THAT APPLY):"
? which are or could be used by interstate or foreign travelers for recreational or other purposes.
"See Footnote # 3.
v To complete the analysis refer to the key in Section III.D.6 of the Instructional Guidebook.
10 Prior to asserting or declining CWA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA HQ for
review consistent with the process described in the Corps/EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos.

? from which fish or shellfish are or could be taken and sold in interstate or foreign commerce.
? which are or could be used for industrial purposes by industries in interstate commerce.
? Interstate isolated waters. Explain:
Other factors. Explain:
Identify water body and summarize rationale supporting determination:
Provide estimates for jurisdictional waters in the review area (check all that apply):
Tributary waters: linear feet width (ft).
? Other non-wetland waters: acres.
Identify type(s) of waters:
Wetlands: acres.
F. NON-JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALL THAT APPLY):
If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers
Wetland Delineation Manual and/or appropriate Regional Supplements.
Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce.
? Prior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solely on the
"Migratory Bird Rule" (MBR).
Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain:
Other: (explain, if not covered above):
Provide acreage estimates for non-jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR
factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional
judgment (check all that apply):
Non-wetland waters (i.e., rivers, streams): linear feet width (ft).
Lakes/ponds: acres.
Other non-wetland waters: acres. List type of aquatic resource:
Wetlands: acres.
Provide acreage estimates for non jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such
a finding is required for jurisdiction (check all that apply):
Non-wetland waters (i.e., rivers, streams): linear feet, width (ft).
Lakes/ponds: acres.
Other non-wetland waters: acres. List type of aquatic resource:
Wetlands: acres.
SECTION IV: DATA SOURCES.
A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where checked
and requested, appropriately reference sources below):
Maps, plans, plots or plat submitted by or on behalf of the applicant/consultant:
Data sheets prepared/submitted by or on behalf of the applicant/consultant.
? Office concurs with data sheets/delineation report.
? Office does not concur with data sheets/delineation report.
Data sheets prepared by the Corps:
Corps navigable waters' study:
U.S. Geological Survey Hydrologic Atlas:
? USGS NHD data.
? USGS 8 and 12 digit HUC maps.
U.S. Geological Survey map(s). Cite scale & quad name:
USDA Natural Resources Conservation Service Soil Survey. Citation:
National wetlands inventory map(s). Cite name:
State/Local wetland inventory map(s):
FEMA/FIRM maps:
100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929)
Photographs: ® Aerial (Name & Date):
or ® Other (Name & Date):see attached report.
Previous determination(s). File no. and date of response letter:
Q Applicable/supporting case law:
Applicable/supporting scientific literature:
-'<',' Other information (please specify):
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