19991219 Ver 1_COMPLETE FILE_19991101

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
1 ILF!WAA
•
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
February 3, 2000
Franklin County
DWQ Project # 991219
APPROVAL of 401 Water Quality Certification and ADDITIONAL CONDITIONS
Mr. Douglas May
385 May Road
Louisburg, NC 27549
Dear Mr. May:
You have our approval, in accordance with the attached conditions and those listed below, to place fill material in 0.08 acres
of wetlands for the purpose of constructing an irrigation pond near NC 56 and SR 1224 as described in your application dated
November 1, 1999. After reviewing your application, we have decided that this fill is covered by General Water Quality
Certification Number 3108. This certification allows you to use Nationwide Permit Number 26 when the Corps of Engineers
issues it. In addition, you should get any other federal, state or local permits before you go ahead with your project including (but
not limited to) Sediment and Erosion Control, Coastal Stormwater, Non-Discharge and Water Supply Water shed regulations.
This approval will expire when the accompanying 404 or CAMA permit expires unless otherwise specified in the General
Certification.
This approval is only valid for the purpose and design that you described in your application except as modified below. If
you change your project, you must notify us and you may be required to send us a new application. If the property is sold, the new
owner must be given a copy of this Certification and approval letter and is thereby responsible for complying with all conditions.
If total wetland fills for this project (now or in the future) exceed one acre, compensatory mitigation may be required as described
in 15A NCAC 2H.0506 (h) (6) and (7). For this approval to be valid, you must follow the conditions listed in the attached
certification and any additional conditions listed below.
1. Deed notifications or similar mechanisms shall be placed on all lots with remaining jurisdictional wetlands to notify the state in
order to assure compliance for future wetland and/or water impact. These mechanisms shall be put in place within 30 days of the
date of this letter or the issuance of the 404 Permit (whichever is later).
If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act ?+ithm oU
days of the date that you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North
Carolina General Statutes to the Office of Administrative Hearings, P.O. Box 27447, Raleigh, N.C. 27611-7447. This certification and
its conditions are final and binding unless you ask for a hearing.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have
any questions, please telephone John Domey at 919-733-9646.
I e ly.
Stevens
Attachment
cc: Corps of Engineers Raleigh Field Office
Raleigh DWQ Regional Office
File copy
Central Files
990499.1tr
Division of Water Quality • Non-Discharge Branch
1621 Mail Service Center Raleigh NC 27669-1621 Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer • 50% recycled/10% post consumer paper
MEMORANDUM
TO: John Dorney
Non-Discharge Branch
Regional Contact: Beth Barnes
WO Supervisor: Ken Schuster
Date:
SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS
Facility Name Douglas May County Franklin
Project Number 99 1219 County2
Recd From APP Region Raleigh
Received Date 11/1/99 Recvd By Region
Project Type Irrigation Pond
Certificates Stream Stream Impacts (ft.)
..
Permit Wetland Wetland Wetland Stream Class Acres Feet
Type Type Impact Score Index Prim. Supp. Basin Req. Req.
26 HWF O Y O N F-28-(34.5) WSIV NSW 30,301. 0.08
F_ P-7 _0N r x
Mitigation Wetland
MitigationType Type Acres Feet

Is Wetland Rating Sheet Attached? Q Y O N Did you request more info? Q Y O N
Have Project Changes/Conditions Been Discussed With Applicant? Q Y O N
Is Mitigation required? Q Y O N Recommendation: 0 Issue O Issue/Cond O Deny
Provided by Region: Latitude (ddmmss) 360607
Longitude (ddmmss) 782039
Comments:
This proposed project needs a site visit. I have left two message on Mr_ Mays answering machine. I
s age the project be placed on HOLD until a site visit has been made.
Having made the sate visit, RRO recommends issue,
cc: Regional Office Page Number 1
Central Office
Facility `Name Douglas May County Franklin
Project Number 99 1219 Regional Contact: Beth Barnes
Date:
Comments (continued from page 1):
cc: Regional Office
Central Office Page Number 2
State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
A ••
NC ENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCEs
December 30, 1999
DWQ Project #: 991219
Franklin County
CERTIFIED MAIL-RETURN RECEIPT REQUESTED
Mr. Douglas May
385 May Road
Louisburg, North Carolina 29549
Dear Mr. May:
The Division of Water Quality has reviewed your plans for the discharge of fill material into 1,200
feet of streams and/or wetlands located at NC 46 SR 1224 in Franklin County for pond construction. Based
on this review, we have identified significant uses, which would be removed or degraded by this project.
Insufficient evidence is present in our files to conclude that your project must be built as planned in waters
and/or wetlands in accordance with 15A NCAC 2H .0506. Therefore, unless modifications of the proposal
are made as described below, we will have to move toward denial of your 401 Certification as required by
15A NCAC 2H.0507(e) and will place this project on hold as incomplete until we receive this additional
information, we are requesting (by copy of this letter) that the U.S. Army Corps of Engineers place your
project on administrative hold.
Please provide us with information supporting your position that states your project must be
constructed as planned and that you have no practicable alternative to placing fill in these waters and/or
wetlands. Specifically we can not agree to approve your plans without a site visit by our Raleigh Regional
office staff. Ms. Beth Barnes has attempted in vain to reach you. Please call her at 919-571-4700 to
schedule a site visit.
Please respond within three weeks of the date of this letter by sending a copy of this information to
me and one copy to Ms. Beth Barnes, Raleigh Regional Office at 919-571-4700. If we do not hear from
you in three weeks, we will assume that you no longer want to pursue this project and we will consider the
project as withdrawn. I can be reached at 919-733-9646 if you have any questions.
cc: Raleigh DWQ Regional Office
Wilmington Office Corps of Engineers
Central Files
File Copy
Raleigh Field Office Corps of Engineers
4 Sin 1
Jo R. o .
Wetlands/401 Unit 1621 Mail Service Center Raleigh, North Carolina 27669-1621
Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper
MEMORANDUM
TO:
SUBJECT:
John Dorney
Non-Discharge Branch
Regional Contact:
WO Supervisor:
Date:
WETLAND STAFF REPORT AND RECOMMENDATIONS
Facility Name Douglas May County Franklin
Project Number 99 1219 Courlty2
Recvd From APP Region Raleigh
Received Date 11/1/99 Recvd By Region
Project Type Irrigation Pond
Certificates Stream Stream Impacts (ft.)
Permit Wetland Wetland Wetland Stream Class Acres Feet • - -
Type Type Impact Score index Prim. Supp. Basin Req. Req. - ''
F26 -F nWr W7- _0N F- 28-7-l.Si «"SIV NSW 30,301. 0.08 F_ ?-
F_ F_ PT _0N
Mitigation Wetland
MitigationType Type Acres Feet

Is Wetland Rating Sheet Attached? Q Y O N Did you request more info? Q Y O N
Have Project Changes/Conditions Been Discussed With Applicant? Q Y O N
Is Mitigation required? p Y O N Recommendation: Q issue O Issue/fond O Deny
Provided by Region: Latitude (ddmmss) 360607 Longitude (ddmmss) 782039
Comments:
This proposed project needs a site visit I have left two message on Mr. Mays answering machine.
suggest the project be placed on HOLD until a cite visit has been made.
cc: Regional Office Page Number 1
Central Office
Facility Name Douglas May County Franklin
Project Number 99 1219 Regional Contact: Beth Barnes
Date:
Comments (continued from page 1):
cc: Regional Office
Central Office Page Number 2
Subject: expl.
Date: Fri, 03 Dec 1999 15:53:48 -0500
From: Beth Barnes <[e-mail]> -
To: Cyndi Bell <[e-mail]>
GS?-5??oo?s =
I telephoned # 991217 for an overall sheet showing all impacts with
building foot print , and I telephones # 991219 for a site visit ( wants _
to build a pond along/within the stream). -
/J'(
/
I of 1 12/7/99 9:32 A?/I

DWQ ID:
C3i?
CORPS ACTION ID :
NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE
r `..
?,?- t Fr?T
Le i
PRE-CONSTRUCTION NOTIFICATION APPLICATION
FOR NATIONWIDE PERMITS THAT REQUIRE:
1) NOTIFICATION TO THE CORPS OF ENGINEERS Vol
2) APPLICATION FOR SECTION 401 CERTIFCATION w i }
3) COORDINATION WITH THE NC DIVISION OF COASTAL
SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE PRIME
FIELD OFFICE OF THE CORPS OF ENGINEERS (SEE AGENCY ADDRESSES S _,, SEVEN
(7) COPIES MUST BE SENT TO THE NC DIVISION OF
ER
QUALITY, ATTN: JOHN DORNEY, 4401 REEDY CREEK ROAD,
RALEIGH, NC 27607. PLEASE PRINT OR TYPE.
1. OWNER'S NAME: pou?koS
2. MAILING ADDRESS: '395 Hqj P-L
SUBDIVISION NAME
CITY: 4LAISbu?q STATE: Ne- ZIP CODE: -7 5 q
PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DIFFERENT FROM
MAILING ADDRESS ABOVE): i ?TtP cygES - lZt,k{ f- on-h 512. 122-Y •3 /K%lrI on
rte Ak
3. TELEPHONE NUMBER: (HOME) gl9'q4;2D6!r (WORK)glq q(/&
4. IF APPLICABLE: AGENT'S NAME OR RESPONSIBLE CORPORATE OFFICIAL, ADDRESS,
PHONE NUMBER:
5. LOCATION OF WORK (PROVIDE A MAP, PREFERABLY A COPY OF USGS TOPOGRAPHIC
MAP OR AERIAL PHOTOGRAPHY WITH SCALE):
COUNTY: Get n k_(, .l7 - NEAREST TOWN: I-0 u iiba i 5

SPECIFIC LOCATION (INCLUDE ROAD NUMBERS, LANDMARKS, ECT.)
s-ee a?ached map
6. IMPACTED OR NEAREST STREAM/RIVER: ?Y • b. ] a y e ve r
RIVER BASIN:
7a. IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDAL SALTWATER, (SA),
HIGH QUALITY WATERS (HQW), OUTSTANDING RESOURSE WATERS (ORW), WATER
SUPPLY (WS-I OR WS-II)? YES ( ) NO (X .) IF YES, EXPLAIN:
7b. IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COASTAL
MANAGEMENT AREA OF ENVIROMENTAL CONCERN (AEC)? YES ( ) NO (yC )
7c. IF THE PROJECT IS LOCATED WITHIN A COASTAL COUNTY (SEE PAGE 7 FOR LIST OF
COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION?
8a. HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON THIS
PROJECT? YES c ' NO (?() IF YES, PROVIDE ACTION I.D. NUMBER OF PREVIOUS
PERMIT AND ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401
CERTIFICATION):
8b. ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE
FUTURE? YES ( ) NO V' ,) IF YES, DESCRIBE ANTICIPATED WORK:
9a. ESTIMATED TOTAL NUMBERS OF ACRES IN TRACT OF LAND: 220
9b. ESTIMATED TOTAL NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE:
,off mpefs
10a. NUMBER OF ACRES OF WETLANDS IMPACTED BY THE PROPOSED PROJECT BY: O V AM65

FILLING:
FLOODING:
DRAINAGE : 90 .4C ePS
EXCAVATION:
OTHER:
TOTAL ACRES TO BE IMPACTED: +'d
10b. (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF
RELOCATED, PROVIDE DISTANCE BOTH BEFORE AND AFTER RELOCATION:
LENGTH BEFORE: 1 Q / FT AFTER: FT
WIDTH BEFORE
(based on normal high water contours): FT
AVERAGE DEPTH BEFORE: `/ FT AFTER: (O FT
(2) STREAM CHANNEL IMPACTS WILL RESULT FROM: (CHECK ALL THAT APPLY)
OPEN CHANNEL RELOCATION: PLACEMENT OF PIPE IN CHANNEL:
CHANNEL EXCAVATION: COONSTRUCTION OF A DAM/FLOODING: V
OTHER:
11. IF CONSTRUCTION OF A POND IS PROPOSED, WHAT IS THE SIZE OF THE WATERSHED
DRAINING TO THE POND? WHAT IS THE EXPECTED
POND SURFACE AREA?
12. DISCTIPTION OF PROPOSED WORK INCLUDING DISCUSSION OF TYPE OF MECHANICAL
EQUIPMENT TO BE USED? (ATTACH PLANS; 81/2 BY 11 DRAWINGS ONLY)
a/yo Dvyw ?ans1'i?GfG r? ds!/ig ha.11,4-2ed awl ca
j0a lei
13. -PURPOSE OF PROPOSED WORK:
14. STATE REASONS WHY IT IS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED OUT IN
WETLANDS (INCLUDE ANY MEASURES TAKEN TO MINIMIZE WETLAND IMPACTS)
Af /s7- 5-a77kti & .fl i e * hu;/e' c 46 n a/ ,de(!::2?60I-e 0,1,6 q?ja/A45:v aCAel!

15. YOU ARE REQUIRED TO CONTA THE US FIS AND WILDLIFE SERVICE AND%OR a7
NATIONAL MARINE FISHERIES SE REG ING THE PRESENCE OF ANY FEDERALY
LISTED OR PROPOSED FOR LISTING E GERED OR THREATENED SPECIES OR
CRITICAL HABITAT IN THE PERMIT THAT MAY BE AFFECTED BY THE PROPOSED
PROJECT. DATE CONTACTED:
16. YOU ARE REQUIRED TO CO CT STATE HISTORIC PRESERVATION OFFICER /j/v 7-
(SHPO) REGARDING THE PRES OF HISTORIC PROPERTIES IN THE PERMIT AREA yEcOF4
WHICH MAY BE AFFECTED BY OPOSED PROJECT. DATE CONTACTED
i
17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OT THE USE OF
PUBLIC (STATE) LAND? YES ( ) NO ( ) (IF NO, GO TO 16)
a. IF YES, DOES THE PROJECT REQUIRE PREPERATION OF AN ENVIRONMENTAL
DOCUMENT PURUANT TO THE REQUIREMENTS OF THE NORTH CAROLINA
ENVIRONMENTAL POLICY ACT? YES( ) NO( )
b. IF YES, HAS THE DOCUMENT BEEN REFIEWED THROUGH THE NORTH CAROLINA
DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE YES ( ) NO ( )
IF ANSWER 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATIONFROM THE STATE
CLEARINGHOUSE WITH THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT.
QUESTIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD BE
DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH
CAROLINA DEPARTMENT OF ADMINISTRATION, 116 WEST JONES STREET, RALEIGH,
NORTH CAROLINA 27603-8003, TELEPHONE [phone].
18. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION IF PROPOSED
ACTIVITY INVOLVES THE DISCHARGE OF EXCAVATED OF FILL MATERIAL INTO
WETLANDS:
a. WETLAND DELINEATION MAP SHOWING ALL WETLANDS, STREAMS, LAKES, AND
PONDS ON THE PROPERTY (FOR NATIONWIDE PERMIT NUMBERS 14, 18, 21, 26, 29,
AND 38). ALL STREAM (INTERMITTENT AND PERMANENT) ON THE PROPERTY
MUST BE SHOWN ON THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS 50 FEET
OF 1 INCH EQUALS 100 FEET OF THEIR EQUIVALENT.
b. IF AVAILABLE, REPRESENTATIVE PHOTOGRAPH OF WETLANDS TO BE IMPACTED
BY PRODUCT.
c. IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA
SHEETS RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE.
d. ATTACH A COPY OF THE STORMWATER MANAGEMENT PLAN IF REQUIRED.
e. WHAT IS LAND USE OF SURROUNDING PROPOERTY? /' af7?tl?elC!/,?

f. IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL?
g. SIGNED AND DATED AGENT AUTHORIZATION LETTER, IF APPLICABLE.
NOTE: WTLANDS OR WATERS OF THE US MAY NOT BE IMPACTED PRIOR TO:
1) ISSUANCE OF A SECTION 404 CORPS OF ENGINEERS PERMIT,
2) EITHER THE ISSUANCE OR WAIVER OF A 401 DIVISION OF WATER QUALITY
CERTIFICATION, AND
3) (IN THE TWENTY COASTAL COUNTIES ONLY), A LETTER FROM THE NORTH
CAROLINA DIVISION OF COASTAL MANAGEMENT STATING THE PROPOSED
ACTIVITY IS CONSISTENT WITH THE NORTH CAROLINA COASTAL
MANAGEMENT PROGRAM,
'/'a , ??? / >
OWNER'S/AGE 'S SIGNATURE DATE
(AGENT'S SIGNATURE VALID ONLY
IF AUTHORIZATION LETTER FROM
THE OWNER IS PROVIDED).
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State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
Douglas May
385 May Road
Louisburg NC 27549
Dear Mr. May:
1 • •
WPM
NC ENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
PAYMENT October 20, 1999
RECEIVED
Yi
On October 18, 1999 the Division of Water Quality received your request for a
401 Certification for irrigation. Your application is being returned since payment was not
received with the application. In order for DWQ to review and process your request, you
must send a check in the amount of $200.00 made payable to the N.C. Division of Water
Quality.
If you have any questions, please call Cyndi Bell at 919-733-9721.
jJincer
n R. Dorney

Wetlands/401 Unit 4401 Reedy Creek Road Raleigh, North Carolina 27607
Telephone [phone] FAX # [phone]
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Civic En
13108 S. Summit ? OWft, KS 68062
913-393-3417 ? 913-390-5248 fax
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FROM: Scott McGee, P.E.
page: 3 including cover
RE: ?i . lucre

COMMENTS:
CORPORATE OFFICE: RE04ONAL OFFICE:
1008 NOIti7N d'X Street, "e'C 13108 S. Summit
Bat rN119, AR 72712 Olathe, KS 60052
501-4648950.501-464-9040 fax [phone] tax
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Civil Engineering Inc.
13108 S. Summit ? Olathe, KS 66062
913-393-3417 ? 913-390-5248 fax
June 14, 2000
Todd St. John, P.E.
NCDENR
1621 Mail Service Center
Raleigh, NC 27699
[phone]
[phone] Fax
Re: Lowe's Home Center in KemerRyille. NC
Ozark Civil Engineering Project #99.0029
DWQ Project #991207
Dear Mr. St. Johns:
As we discussed in our meeting on June a in regards to the above reference project, a plunge
pool or detention basin has been created at the end of the box culvert section. This is added in
conjunction with the energy dissipators at the pipe exit. The weir will control the smaller storm
events, 2, 5 and 10 year, through the controlled pipe section at the bottom of the box. Velocity
will be controlled through the 6-inch pipe at 3.35 feet per second. Attached are the calculations
and a sketch of what we discussed.
Please let me know if this looks like an acceptable solution to further reducing the exit velocities
in lower frequency storms. Thank you for your time in meeting with us on the project. I look
forward to hearing from you.
Sincerely,
Scott McGee, P.E.
Regional Manager
Enclosure: Calculation Sheet
Cc: Jennifer Frye, Winston-Salem Regional Office
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COMMENTS:
---......---.__._._..1. __.__w.9_._._.
REGIONA! OFFICE
31,08 & Summit
1008 Nonhwest "J" Street, Suite "C" Olathe, KS 83052
Bentonville, AR 727'2
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Civil Engineering Inc.
13108 S. Summit a Olathe, KS 86062
913-393-3417 ? 913-390-5248 fax
June 14, 2000
.....
Todd St. John, Pp, E.
NCDFNR
1621 Mail Service Center
Fta%lgh. -NC 27699
[phone]
[phone] Fax
Re' Lowe's Home Center in Kernersviile, NC
Ozark Civil Engineering Project #99.0029
DWQ Project #991207
Dear Mr. St. Johns:
As we discussed in our meeting on June 6'?' in regards to the above reference project, a plunge
pool or detention basin has been created at the end of the box culvert section. This is added in
conjunction with the energy dissipators at the pipe exit. The weir will control the smaller storm
events, 2, 5 and 10 year, through the controlled pipe section at the bottom of the box. Velocity
will be controlled through the 6-inch pipe at 3.35 feet per second. Attached are the calculations
and a sketch of what we discussed.
Please let me know if this looks like an acceptable solution to further reducing the exit velocities
in lower frequency storms. Thank you for your time in meeting with us on the project. I look
forward to hearing from you
Sincereiy.
;r
I-Sco McGee,
Regional Manager
Enclosures Calculation Sheet
Cc Jennifer Frye, Winston-Salem Regional Office

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MAY 71 2000 15:07 FR _04)ES--PROPERTY MNGT 3?6 55$ 1643 T(--j 9150'4649040 P.;-2/02
/
State of North Carolina
Department of Environment 0
_ a.l09, Natural Resgg es ....... _ . - °/
kYA A
,
Divistan of Water Quality.
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director NCDENR
May 24, 2000
CE TELD FRAIL RETIMN RECEIPT EXQUESTHD
Mr. Nicky Wagoner
Lowe's Company
HWY 268 East North ---
Wilkesboro, NC 28656
Re- Lawts XernersWle
Forsyth County
DWQ # 991=
DewMr-;Wagoner....
The Division of Water Quality has reviewed your most recent submittal dated April 19, 2000, and received
by this Office May 1. 2000, for a 401 Certification for the subject project. Your application was not
complete since the following information has not been provided The information is needed by DWQ in
order for us to decide whether this project can be approved.
Stormwater pond plans and specifications - This Office requires all plan details, including those for the
outlet structure. Also, the location of the outfall structure is located too close to the forebay and should be
relocated at the opposite end from the inlet. Please fill out the attached worksheet which will aid in a timely
review of the stormwater management plans.
Stream impacts - It is not clear from the plans and your response if the proposed impacts will be 499 feet as
proposed. Staff from our Regional Office determined that the Sediment and Erosion Control plans
submitted to the Division of Land Resources indicate stream impacts in excess of 500 feet. Also, this Office
is concerned that the hydraulic encrgy at the exit of the proposed culvert and dissipator will be excessive,
requiring additional impacts through stream hardening. The calculated velocity of approximately 9 feet per
second from the discharge of the proposed culvert seems excessive. Please keep in mind that all stream
channel and bank work :rust be indicated as impact.
I can be reached at 919-733-1786 if you have any questions. Until this information is received, I will place
this project on hold due to incomplete information (15A NCAC 2H.0507(a)(4)).
Attachment
cc: Winston-Salem DWQ Regional Office
Todd St. John
Central Files
File Copy
4401 Reedy Crook Road, Raleigh, NC 27607
An Equal Opportunity Affirmative Action Employer
?P
Telephone [phone] FAX [phone]
50% recycled/ 10% post-consumer paper
** TOTAL PAGE.02 **
MRY 31 2eee 15:0'7 FR LOWES-PROPERTY i^NGT 336 656 3643 TO 915014649040. D.01/02
I-
LOWE'S
COMPANIES. INC. "Ono o tht it70 Bpt Co P-Mia to Wont r in Aftwee. "
Box lilt, N. Witte re, NC 28836 (Hwy 268 feast) (336) 6584000 Fax (336) GM2616
FAX Cover Sheet
Date: ? - J/` d
TO: /FAX:
FROM: ItIb X14 Phone: 336-656- l,??G3
14 V
Number-- of pages including. cover sheet: ?
If all pages are not received, please call 336.658-
r
CONFIDENTiAl1TY NOTICE:
The information carmkied in this facsimfle nwssage, and in any accompanying documents, constitutes
confidential information which belongs to Lowe's Companies. Inc. And its suWidiarles. TMs information is
intended only for the use of the individual or entity names above. If you are not the intended rec0ent of
the nforrnatrom you are hereby notified that any disclosure. Copying. distribution, or" taking of any
action in reliance on this information, is strictly prohibited. If you have received this facsitrtile message in
error, please immediately no" us by telephone to arrange for its return to us. Thank you.
COMMENTS:
zark
Civil Engineering Inc.
1008 NW "J" St., Suite "C" Bentonville, AR 72712
501-464-8850 telephone [phone] fax
April 19, 2000
John R. Dorney
NCDENR
4401 Reedy Creek Road
Raleigh, NC 27607
Dear Mr. Dorney:
Re: Lowe's Home Center in Kernersville, NC
Ozark Civil Engineering Project #99.0029
DWQ Project #991207
In response to your letter to Mr. Nicky Wagoner of Lowe's Home Centers, Inc. dated April 6,
2000, the following additional information is provided to add sufficient evidence to conclude that
the project must be built as planned.
To provide you with an overview of the project, the site is located off South Main Street in
Kernersville, North Carolina and consists of 20.85 acres with the building space limited to
approximately 12 acres. The limitation is the result of a combination of the following issues:
City buffer rules (approximately 1.0 acre), existing steep topography (approximately 4.0 acres),
and floodway limitations (approximately 3.5 acres). The proposed building will be approximately
115,000 square feet (2.64 acres) with 675 parking spaces (2.51 acres) and approximately
68,400 square feet (1.57 acres) of driveway space within the parking lot. The issues that
Lowe's faces to develop this site are to stay out of the perennial jurisdictional channel on the
south side of the property and to fill less than 50% of the flood plain. The site is bisected with
an intermittent non jurisdictional channel, which is governed by the North Carolina Division of
Water Quality. The site falls from north to south approximately 20 feet, which makes it difficutt
to design the project and avoid these issues.
1. Please provide us with information supporting your position that states your project
must be constructed as planned and that you have no practicable alternative to
placing fill in these waters and/or wetlands.
When the original request for wetlands impact was made in November 1999,
Ozark Civil Engineering had evaluated the site and looked at numerous layout
possibilities that would work for the building and have the least environmental
impact. See Attachments A and B for alternative site plans that were evaluated
in hopes of minimizing environmental impacts.
John Dorney
April 19, 2000
Page 2
2. Can you culvert this stream and install downstream energy dissipation and not
exceed the 500 foot threshold for NWP26? Detailed drawings and calculations will
be needed to demonstrate this.
Ozark Civil Engineering will utilize energy dissipators and will not impact more
than 500 feet of stream. The energy dissipators are designed utilizing the
Federal Highway Administration's HY8 Energy program. A Contra Costa
dissipator model was used to estimate the reduction in velocity with the
introduction of baffle piers. The calculated reduction was from 19.87 feet per
second to 8.99 feet per second. Velocity will be further reduced by the bends
placed in the box as required to construct the box out of the stream bed.
Overall impact to the stream channel is 495 feet including head wall and end
wall apron lengths. See Attachment C for the drawings to comply with this
request and Attachment E exhibiting the corresponding calculations and data.
We have also included our drainage analysis.
3. Any documentation such as maps and narrative that you can supply to address
alternative designs for your project may be helpful in our review of your 401
Certification.
See response #1
4. This project will require compensatory mitigation as described in 15A NCAC
2H. 0506(h)
Lowe's Home Centers, Inc. is prepared to assume the financial responsibility
for mitigation.
5. Your mitigation proposal is insufficient because we have no evidence in our files that
the NC Wetlands Restoration Program will accept this payment.
We are awaiting a response from the NC Wetlands Restoration Program, and
they typically do not respond until after receiving input from NCDENR.
It should be noted that Lowe's has modified the building as much as possible, and moved the
building to the east and north to pull it out of the area of the stream as much as possible (see
Attachment D). This is the best site plan that will impact the least amount of stream, will meet
the 50% flood plain buffer and satisfy the City requirements. Lowe's has redesigned their
building in an attempt to accommodate all requirements.
John Dorney
April 19, 2000
Page 3
We ask for your concurrence and approval of the proposed lay out. If you have additional
questions concerning this matter, feel free to contact me.
Sincerely,
Todd A. Butler, P.E.
President
cc: Jennifer Frye, NCDENR Winston-Salem Regional Office
Nicky Wagoner, Lowe's Home Centers, inc.
Kevin Martin, Soil & Environmental Consultants, Inc
Ozark Civil Engineering
file
i
/
/ NON-FEASIBLE SITE PLAN I -
/ ILLUSTRATING ENCROACH ENT
ONTO ROAD
1 I J _?' i
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ATTACHMENT E
Page 1 of 11
'fie ? ?? h ??'
111:51H, VIA Fm ra rY1

Type: Contra Costa
Title: Kernersviile
Date: 4117100
Units: English
Shape: Rectangular
Flow 536.000 ft'fs
Velocity (Vo) 19.870 ftls
Depth (Yo) 4.500 ft
Reference depth 4.500 h
Froude(Fr) 1.651
Span 6.000 ft
Tailwatet depth (TW) 0.000 ft
Basin width 18 ft
L21H2 7
Sill height factor 0.090
Results;
Ll 11.083 ft
L2 22.167 ft
L3 22.134 ft
Outlet velocity (VB) 8.995 ftis
Hl. 1.583 h
H2 3.167 ft
H3 0.746 ft
WB 18.000 ft
Critical depth (Yc) 2.857 ft
Maximum depth (Y2) 8.294 ft
Outlet depth (YB) 2.857 ft
ATTACHMENT E
Page 2 of 11

i
W ili i~IS
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VQ
17 N N N
N N N ,i
®i 114k
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a 611
bf Z C 5? l3

ATTACHMENT E
Page 3 of 11
Chapter 8: HEC 14
Contra Costa Energy Dissipators
Go to Chapter 9 Go to Table of Contents
8-A Contra Costa Energy Dissipator
Introduction
The Contra Costa energy dissipator (8A1) was developed at the University of
California, Berkeley, in conjunction with Contra Costa County, California. The
dissipator was developed to meet the following conditions:
1. to reestablish natural channel flow conditions downstream from the culvert
outlet,
2. to have self-cleaning and minimum maintenance properties,
3. to drain by gravity when not in operation,
4. to be easily and economically constructed, and
5. to be applicable for a wide range of culvert sizes and operating
conditions.
Field experience with this dissipator has been very limited. Its use should not be
extended beyond the range of the model tests.
The dissipator is best suited to small and medium size culverts of any cross section
where the depth of flow at the outlet is less than the culvert height. It is applicable
for medium and high velocity effluents: The dissipater design is such that a ow
leaving the structure will be at minimum energy when operating without tailwater.
When tailwater is present, the performance will improve. A sketch of the dissipator
arrangement is shown in Figure-8-A-1,.
Design Discussion
The initial step is to determine the equivalent depth of flow (ye) at the culvert outfall:
For box culverts:
Ye = yn or y brink.
ATTACHMENT E
Page 4 of 11
For oval, elliptical, circular, or other shapes: convert the areas of flow at the culvert
outfall to an equivalent rectangular cross section with a width equal to twice the
depth of flow ye = (A/2)112. In so doing, the design information is applicable to oval,
elliptical, and circular culverts.
The Froude number is computed by using ye rather than the actual depth of flow at
the culvert outfall, Fr = V / gy.e 1. By entering Figure 8-A-2 with Fr2, and an
assumed value of L2 /h2, a trial height of the second baffle, h2 can be determined.
he equation of the lines in Figure 8-A-2 has been changed slightly from that
presented in the original paper to compensate for replacing the depth of flow in a
circular pipe (yo) by the equivalent rectangular flow depth, ye. The original equation:
L2 /(h2 Fr2) =1.2(h2 /yo)-1.83
has been revised to
L2 /(h2 Fr2) =1.35(h2 /ye)-1.83
8-A-1
The remaining two equations, used for determining other dimensions of the
dissipator, remain unchanged; these are given below and plotted on Figure 8-A-3
and Figure 8-A-4.
L3 /1-2 =3.75(h2 /1-2 )0.68 8-A-2
Y2 /h2 =1.3(L2 /h2 )0.36 8-A-3
The three equations may be used for proportioning the dissipator but Figure 8-A-2,
Figure 8-A-3, and Figure 8-A-4 are more convenient and practical to use for design
purposes. The value of L2th2 varied from 2.5 to 7.0 in the experiments and a value
of 3.5 is recommended for best performance wherever economically feasive T e
value of h2/ye should always be greater than unity. After determining values of h 2
and L from Figure 8-A-2, the dimension L can be obtained by entering Fgrure 8-A-
2 ----.. 3
3 with L2 and the assumed value of L2/h2. Should the dimensional proportioning
thus obtained be uneconomical or fail to properly fit the site, a second value of L 2/h2
is assumed and the process repeated.
From FAure 8_A-2, the height h1 of the first baffle is half the height of the second
baffle h2 , and the position of the first baffle is half way between the culvert outlet
and the second baffle or 1-2/2. Side slopes of the trapezoidal basin for all
experimental runs were 1 H:1 V. The width of basin (W) may vary from one to three
times the width of the culvert. The floor of the basin should be essentially level. The
height of the end sill may vary from 0.06y2 to 0.10y2. After obtaining satisfactory
ATTACHMENT E
Page 5 of 11
basin dimensions, the approximate maximum water surface depth, y 2, without
tailwater, can be obtained from Figure 8-A=4.
Design Procedure
The dissipator design should only be applied within the design limitations:
2.5<L2 /h2 <7.0
D<W<3D
yo <D/2
side slopes of 1 H:1 V
The following steps outline the procedure for the design of the Contra Costa energy
dissipator:
Step 1. Analyze flow conditions that are expected to occur at the outfall of culvert
for the design discharge. If the depth of flow at the outlet is one half culvert diameter
or less, the Contra Costa dissipator is applicable.
Step 2. Compute ye:
Ye =yo ; for rectangular
ye =(A/2) 1/2; for other shapes.
Step 3. Compute the parameter Fr2 =Vol/gye
Step 4. The width of the basin floor is selected to conform to the natural channel.
if there is no defined channel, the width is set at a maximum of three times the
culvert width.
Step 5. Assume a value of L21h2 between 2.5 and 7 and with the aid of Figure 8_
A-2 and Figure 8-A-3, determine h2, L2 and L3: Give due consideration to the
optimum value of L2/h2 =3.5 as well as to the engineering and economic
requirements of the particular situation. Repeat the procedure, if necessary, until a
dissipator is defined which optimizes the design requirements. The first baffle height
(hj) is 0.5h2.
Step 6. The approximate maximum water surface depth without tailwater can be
obtained for the final arrangement from Figure 8-A-4.
Step 7. Riprap may be necessary downstream especially for the low tailwater
cases. See Chapter 2 for design recommend ations.Free board and a cutoff wall also
ATTACHMENT E
Page 6 of 1.1
should be considered to prevent overtopping and undermining of the basin.
Example Problem
Given:
Diameter of culvert 1.219 m
Q = 8.490 m 3/s
yo = 0.701 m
Vo =12.192 m/s
A=0.696 m2
Find:
A Contra Costa energy dissipator dimensions.
Solution:
1. yo =0.701 m = D/2, OK.
2. Ye =(0.696/2)1/2 =0.590 M.
3. Fr2 =V02/g(ye)=12.1922 /9.81 x0.590=25.7
4. W=2D=2.438 m
5. By assuming L2/h2=3.5 and entering i ure_ 8-A-2 with Fr2 =25.7, a value of
3.50 is obtained for h2 /ye. Therefore,
h2 = 3.50(0.590) = 2.065 m and
hi = 0.5(2.065) = 1.032 m
L2 = 3.5(2.065) = 7.228 m
Entering Ejjure 8-A-3 with L2 = 7.2 meters and L2/h2 =3.5, L3 is found to
be 11.6 meters. If the maximum rise in water surface, without tailwater, is
desired, this can be obtained from Fiaure 8-A-4. Strictly speaking, the
value of y2 from this chart applies for a bottom width W/D = 2 and 1 H:1 V
side slopes. For the problem at hand, these values are essentially
correct.
6. Entering lure 8-_A-4 with h2 = 2.1 m and L2 /h2 = 3.5, gives y2 = 4.2 meters.
ATTACHMENT E
Page 7 of 11
If the height of end sill is based on this value,
h3 = 0.09(y2 )=0.09(4.2)=0.4 m
if the above proportioning proves compatible with the topography at the site and the
dissipator is economically satisfactory, the above dimensions are final; if not, a
different value of L2 /h2 is selected and the design procedure repeated. Assuming
the first computation is acceptable, the various dimensions of the dissipator are:
Dimensions in Meters
WW First Baffle Second Baffle End Sill
Hor. Distance 2.4 3.7 7.3 18.9
Height -- 1.1 2.1 0.4
Length (baffle) -- 2.4 2.4 3.2
Figure 8-A-1. Contra Costa Energy Dissipator
ATTACHMENT E
Page 8 of 11

1OD c '
So . ??
i
*3

I Y

I

1S

T
61 ,

i
i g
2.S _

M F vy f

i.3 3 t.9 J ? 5 ? 7 a '? ao
J.
T
p
r
r
r
Figure 8-A-2. Baffle Height, Contra Costa Energy Dissipator
ATTACHMENT E
Page 9 of 11
o
T
cp
L3
0
c
0 .1 2 3 4 5 6 7 o 9 0 ,, 12
L2 (m)
Figure S-A-3. Length of Contra Costa Energy Dissipator
figure _ mA=3.-Length o --EontrwCosi:a- ner9y _ F DEs-sPator_
kn
kj i
ATTACHMENT E
Page 10 of 11
14-
Y2
(m)
Or>
N
r

CURVES PLOTTED FROM THE
FORMULA
h.1.3 o.s
2 ( h z
)
where WID = 2
2 3 4
hz (m)
Figure 8-A-4. Depth over Baffle-Contra Costa Energy Dissipator
Figure 8-A-4. Depth over Baffle - Contra Costa Energy Dissipator
8-B Hook Type Energy Dissipator
The Hook or Aero-type energy dissipator was developed at the University of California in
cooperation with the California Division of Highways and the Bureau of Public Roads (8B1).
The dissipator was developed primarily for large arch culverts with low tailwater but can be
used with box or circular conduits without difficulty. The applicable range of Froude numbers, is
from 1.8 to 3.0. Two hydraulic model studies were made in developing the design. The first
used a basin with wingwalls warped from vertical at the culvert outlet to side slopes of 1.5H:1 V
at the end sill, and a tapered basin floor as shown in Figure 8-B_1. In the second study, the
warped basin was replaced with a trapezoidal channel of constant cross section such as shown
in Fiure_8-B-5.
Warped Wingwalls Type Basin
ATTACHMENT E
Page 11 of 11
-{--f-`` ?.? ?©? 1 Q • i V f' ?l J.JC O..J J LCJ 1 .• J _ a ? .? ?? - . r-? r _._ _ _
Y
r? State of North Carolina
Department of Environment ?? e
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Govemor NC[)ENR
?+
Bill Holman, Secretary NORTH CAROL VA DePARTMENT OF
Kerr T. Stevens, Director ENVIRONMENT AN NATURAL REsouRCES
N ril 6, 20 1
PO Profs fiF9 Ter,
I„ owe's Company Inc. Forsyth Co uy _...._.-.--
CERTIFIED MAIL-RETM RECEIPT REQM17ED ?? j ? 2?{)U
Attn: W. Nicky Wagoner
HWY 268 East North
Wilkesboro, NC 28656
Dear Mr. Wagoner:
The Division of Water Quality has reviewed your plans for the discharge ( fill material into 499
linear feet of streams located at South Main Street and Business 40 in Forsyth Cour for construction of a
Lowe's in Kernersvillo as described in your application dated February 24. 2000• Ic: ifficient evidence is
present in our files to conclude that your project must be built as planned in waters idtor wetlands in
accordance with 15A NCAC 2H 0506. Therefore, unless modifications of the prol sal are made as
described below, we will have to move toward denial of your 401 Certification as n :uired by 15A NCAC
2H.0507(e) and will place this project on hold as incomplete until we receive this a ditional information.
we are mQuesang (by Copy of this letter) that the U.S. Army Corps of Engineers ph t your project on
administrative hold.
Please provide us with information supporting your position that states yot project must be
constnuted as planned and that you have no practicable alternative to placing fill in nese waters zW:)r
wetlands. Specifically can you culvert this stream and install downstream energy d sipation (i.e., riprap;
and not exceed the 500 foot duwhoid for NWP26? Detailed drawings and calculati is will be needed to
demonstrate this. Any documentation such as maps and narrative that you can supp to address alternative
designs for your project may be helpful in our review of your 401 Certification. Al t this project will
require compensatory mitigation as desenbed in 15A NCAC 29 .0506(h). Your rn. gation proposal is
insufficient because we have no evidence in our files that the NC Wetlands Restora )n Program will a: cept
this payment.
Please respond within three weeks of the date of this letter by sending a cc y of this information to
me and to the Ms. Jennifer Frye, Winston-Salem Regional Office at (336) 771-460( If we do not heat from
you in three weeks, we will assume that you no longer want to pursue this project a i we will consider the
project as withdrawn. I can be. reached at 919-733=9646 if you have any questions.
i el
?10 R. o y
c;c- Nvinsm-salomI) vQRegional Office
Raleigh Field Office Ccnps of Engineers
Central Files
File Copy
Kevin Manin; Soil & Environmental Consultants
Ron Ferrell: WRP
WWands1441 Umti62; Wail Service Center Raleigh, North Carolina 27t 9.1621
Telephone [phone]FAX [phone]
An Noal oppvnunit) Affr radyc A.tion Ermpioycr
50% rccyc; a 10% pout =mumer pater
*: t:
** 70-Al- PAGE . 02,,
r
r
APR :3 2000 14:10 FR
LOWE'S
COMPANIES. INC.
Sox 1111, N. Wiik1
FAX Cover Sheet
,:,Jb bJb C010 iu 7.JVlYV ?JJ rJ .v+
r of the 100 Best Co. catties to Work for in Affwi09!"
(336156v8.40ot? E x [phone]
Date: ,._? `/.3 " a 6
TO: ,--1cJ ?ctc. FAX:c d
-64
?- G
FROM: Phone: 33E 658-_
.I
Number of pages including cover sheet:
If all pages are not received, please tali 336-656 _
COMMENTS: S Ilk
i
i The information contained in this facsimile message, and in any accam- Inying documents, constitutes
confidential information which belongs to Lowe's Companies. Inc. And i , subsidiaries. This irtfom Wri, is
intended onty for the use of the indwiduai or entity names above. Is yap ire not the intended recipient of
Ithi?y'nformation. you are hereby notified that any disclosure. Copying. d wbution. or the taking of any
action in reiiance on this information. is stnotiy prohibited. if you nave r -eivea this facsimile message in
I error. please immediately notify us t;y teiaphone to arrange for is retun to us. Thank you.

Quick TR-55 Version: 5.46 SIN:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
Time Flow Time Flow
(hrs) (cfs)
-------- (hrs)
-------- (cfs)
---------
--------
18.6 -
1 22.4 1
18.7 1 22.5 1
18.8 1 22.6 1
18.9 1 22.7 1
19.0 1 22.8 1
19.1 1 22.9 1
19.2 1 23.0 1
19.3 1 23.1 1
19.4 1 23.2 1
19.5 1 23.3 1
19.6 1 23.4 1
19.7 1 23.5 1
19.8 1 23.6 1
19.9 1 23.7 1
20.0 1 23.8 1
20.1 1 23.9 1
20.2 1 24.0 0
20.3 1 24.1 0
20.4 1 24.2 0
20.5 1 24.3 0
20.6 1 24.4 0
20.7 1 24.5 0
20.8 1 24.6 0
20.9 1 24.7 0
21.0 1 24.8 0
21.1 1 24.9 0
21.2 1 25.0 0
21.3 1 25.1 0
21.4 1 25.2 0
21.5 1 25.3 0
21.6 1 25.4 0
21.7 1 25.5 0
21.8 1 25.6 0
21.9 1 25.7 0
22.0 1 25.8 0
22.1 1 25.9 0
22.2 1
22.3 1
Page 5

Quick TR-55 Version: 5.46 S/N:
»»> GRAPHICAL PEAK DISCHARGE METHOD <<<<<
Kernersville, NC
Pre-Developed Graphical Peak Discharge
CALCULATED
DISK FILE: D:\projects\KERNPREI.GPD
Drainage Area (acres) 21.86 ---> 0.0342 sq.mi.
Runoff Curve Number (CN) 72
Time of Concentration,Tc (hrs) .27
Rainfall Distribution (Type) II
Pond and Swamp Areas (%) 0 ---> 0.0 acres
Storm #1 Storm #2 Storm #3
--------
Frequency (years) --------
2 --------
10 25
Rainfall, P, 24-hr (in) 3.5 5.1 5.7
Initial Abstraction, Ia (in) 0.778 0.778 0.778
Ia/p Ratio 0.222 0.153 0.136
Unit Discharge, * qu (csm/in) 645 681 689
Runoff, Q (in) 1.12 2.28 2.75
Pond & Swamp Adjustment Factor 1.00 1.00 1.00
PEAK DISCHARGE, qp (cfs)
-------------------------------
------ 25
------------- 53
--------- 65
---------
Summary of Computations for qu
Ia/p #1 0.100 0.100 0.100
CO #1 2.553 2.553 2.553
Cl #1 -0.615 -0.615 -0.615
C2 #1 -0.164 -0.164 -0.164
qu (csm) #1 707.898 707.898 707.898
Ia/p #2 0.300 0.300 0.300
CO #2 2.465 2.465 2.465
Cl #2 -0.623 -0.623 -0.623
C2 #2 -0.117 -0.117 -0.117
qu (csm) #2 604.844 604.844 604.844
* qu (csm) 645 681 689
* Interpolated f or computed Ia/p ratio (betw een Ia/p #1 & Ia/p #2)
If computed Ia /p exceeds Ia/p limits, boun ding limit for Ia/p is used.
2
log(qu) = CO + ( Cl * log(Tc) ) + ( C2 * (log(Tc)) )
qp (cfs) = qu( csm) * Area(sq.m i.) * Q(in.) * (Pond & Swa mp Adj.)
Quick TR-55 Version: 5.46 SIN:
>>>>> GRAPHICAL PEAK DISCHARGE METHOD ««<
Kernersville, NC
Pre-Developed Graphical Peak Discharge
CALCULATED
DISK FILE: D:\projects\KERNPRE2.GPD
Drainage Area (acres) 21.86 --->
Runoff C urve Number (CN) 72
Time of Concentration,Tc (hrs) .27
Rainfall Distribution (Type) II
Pond and Swamp Areas (%) 0 --->
Storm #1
Frequency (years) 50
Rainfall, P, 24-hr (in) 6.5
0.0342 sq.mi.
0.0 acres
Storm #2 Storm #3
-------- --------
100 1 inch
7.3 1.0
Initial Abstraction, Ia (in) 0.778 0.778 0.778
Ia/p Ratio 0.120 0.107 0.778
Unit Discharge, * qu (csm/in) 698 705 311
Runoff, Q (in) 3.41 4.09 0.01
Pond & Swamp Adjustment Factor 1.00 1.00 1.00
PEAK DISCHARGE, qp (cfs)
---------------------------------- 81
-------------- 98
----------- 0
---------
Summary of Computations for qu
Ia/D #1 0.100 0.100 0.500
CO #1 2.553 2.553 2.203
Cl #1 -0.615 -0.615 -0.516
C2 #1 -0.164 -0.164 -0.013
qu (csm) #1 707.898 707.898 310.570
Ia/p #2 0.300 0.300 0.500
CO #2 2.465 2.465 2.203
Cl #2 -0.623 -0.623 -0.516
C2 #2 -0.117 -0.117 -0.013
qu (csm) #2 604.844 604.844 310.570
* qu (csm) 698 705 311
* Interpolated f or computed Ia/p ratio (betw een Ia/p #1,& Ia/p #2)
If computed Ia /p exceeds Ia/p limits, boun ding limit for Ia/p is used.
2
log(qu) = CO + ( Cl * log(Tc) ) + ( C2 * (log(Tc)) )
qp (cfs) = qu( csm) * Area(sq.m i.) * Q(in.) * (Pond & Swa mp Adj.)

Quick TR-55 Version: 5.46 SIN:
»»> GRAPHICAL PEAK DISCHARGE METHOD ««<
Kernersville, NC
Post-Development Graphical Peak Discharge
CALCULATED
DISK FILE: D:\projects\KERNPSTI.GPD
Drainage Area (acres) 16.44 ---> 0.0257 sq.mi.
Runoff Curve Number (CN) 98
Time of Concentration,Tc (hrs) .1
Rainfall Distribution (Type) II
,Pond and Swamp Areas M 0 ---> 0.0 acres
Storm #1
-- Storm #2
-------- Storm #3
--------
Frequency (years) ------
2 10 25
Rainfall, P, 24-hr (in) 3.5 5.1 5.7
Initial Abstraction, Ia (in) 0.041 0.041 0.041
Ia/p Ratio 0.012 0.008 0.007
Unit Discharge, * qu (csm/in) 1010 1010 1010
Runoff, Q (in) 3.27 4.86 5.46
Pond & Swamp Adjustment Factor 1.00 1.00 1.00
PEAK DISCHARGE, qp (cfs)
-------------------------------
------ 85
------------- 126
--------- 142
---------
Summary of Computations for qu
Ia/-o #1 0.100 0.100 0.100
CO #1 2.553 2.553 2.553
Cl #1 -0.615 -0.615 -0.615
C2 #1 -0.164 -0.164 -0.164
qu (csm) #1 1009.997 1009.997 1009.997
Ia/p #2 0.100 0.100 0.100
CO #2 2.553 2.553 2.553
Cl #2 -0.615 -0.615 -0.615
C2 #2 -0.164 -0.164 -0.164
qu (csm) #2 1009.997 1009.997 1009.997
* qu (csm) 1010 1010 1010
* Interpolated f or computed Ia/p ratio (betw een Ia/p #1 & Ia/p #2)
If computed Ia /p exceeds Ia/p limits, boun ding limit for Ia/p is used.
2
log(qu) = CO + ( Cl * log(ic) ) + ( C2 * (log(ic)) )
qp (cfs) = qu( csm) * Area(sq.m i.) * Q(in.) * (Pond & Swa mp Adj.)
Quick TR-55 Version: 5.46 SIN:
>>>>> GRAPHICAL PEAK DISCHARGE METHOD <<<<<
Kernersviile, NC
Post-Development Graphical Peak Discharge
CALCULATED
DISK FILE: D:\projects\KERNPST2.GPD
Drainage Area (acres) 16.44 ---> 0.0257 sq.mi.
Runoff Curve Number (CN) 98
Time of Concentration,Tc (hrs) .1
Rainfall Distribution (Type) II
Pond and Swamp Areas () 0 ---> 0.0 acres
Storm #1 Storm #2 Storm #3
--------
Frequency (years) --------
50 --------
100 1 inch
Rainfall, P, 24-hr (in) 6.5 7.3 1.0
Initial Abstraction, Ia (in) 0.041 0.041 0.041
Ia/p Ratio 0.006 0.006 0.041
Unit Discharge, * qu (csm/in) 1010 1010 1010
Runoff, Q (in) 6.26 7.06 0.79
Pond & Swamp Adjustment Factor 1.00 1.00 1.00
PEAK DISCHARGE, qp (cfs)
-------------------------------
------ 162
------------- 183
--------- 21
---------
Summary of Computations for qu
Ia/p #1 0.100 0.100 0.100
CO #1 2.553 2.553 2.553
Cl #1 -0.615 -0.615 -0.615
C2 #1 -0.164 -0.164 -0.164
qu (csm) #1 1009.997 1009.997 1009.997
Ia/p #2 0.100 0.100 0.100
CO #2 2.553 2.553 2.553
C1 #2' -0.615 -0.615 -0.615
C2 #2 -0.164 -0.164 -0.164
qu (csm) #2 1009.997 1009.997 1009.997
* qu (csm) 1010 1010 1010
* Interpolated f or computed Ia/p ratio (betw een Ia/p #1`& Ia/p #2)
If computed Ia /p exceeds Ia/p limits, boun ding limit for Ia/p is used.
2
log(qu) = CO + ( Cl * log(Tc) ) + ( C2 * (log(Tc)) )
qp (cfs) = qu( csm) * Area(sq.m i.) * Q(in.) * (Pond & Swa mp Adj.)

Quick TR-55 Version: 5.46 SIN:
>>>>> DETENTION STORAGE ESTIMATE ««<
Kernersville, NC
Detention Storage for 2 10 25 year storms
CALCULATED
DISK FILE: D:\projects\KERNPOND.DET
Drainage Area (acres)
Rainfall Distribution (Type)
Frequency (years)
Peak Inflow, qi (cfs)
Inflow Runoff, Q (in)
Peak Outflow, qo (cfs)
qo/qi Ratio
* Vs/Vr Ratio
Inflow Volume, Vr (ac-ft)
STORAGE VOLUME, Vs (ac-ft)
----------------------------
Summary of Volume Computations
------------------------------
CO
Cl
C2
C3
* Vs/Vr
Storm #1
2
85
3.27
25
0.294
0.383
4.5
16.44 0.0257 sq.mi.
II
Storm #2 Storm #3
-------- --------
10 25
126 142
4.86 5.46
53 65
0.421 0.458
0.311 0.294
6.7 7.5
1.7 2.1 2.2
-------------------------------
0.682 0.682 0.682
-1.430 -1.430 -1.430
1.640 1.640 1.640
-0.804 -0.804 -0.804
0.383 0.311 0.294
2 3
* Vs/Vr = CO + ( C1*(qo/qi) ) + ( C2*(qo/qi) ) + ( C3*.(qo/qi) )
Graphical Peak Discharge File Used for Inflow Data:
D:\projects\KERNPSTI.GPD
Graphical Peak Discharge File Used for Outflow Data:
D:\projects\KERNPREI.GPD
Quick TR-55 Version: 5.46 SIN:
>>>>> DETENTION STORAGE ESTIMATE <<<<<
Kernersville, NC
Detention Storage for 50 100 and 1 inch storm
CALCULATED
DISK FILE: D:\projects\KERNPON2.DET
Drainage Area (acres) 16.44 0.0257 sq.mi.
Rainfall Distribution (Type) II
Storm #1 Storm #2
-- Storm #3
--------
Frequency (years) --------
50 ------
100 1 inch
Peak Inflow, qi (cfs) 162 183 21
Inflow Runoff, Q (in) 6.26 7.06 .79
Peak Outflow, qo (cfs) 81 98 0
qo/qi Ratio 0.500 0.536 0.000
* Vs/Vr Ratio 0.276 0.263 0.682
Inflow Volume, Vr (ac-ft) 8.6 9.7 1.1
STORAGE VOLUME, Vs (ac-ft)
------------------------------ 2.4
----------- 2.5
--------------- 0.7
-------
Summary of Volume Computations
CO 0.682 0.682 0.682
Cl -1.430 -1.430 -1.430
C2 1.640 1.640 1.640
C3 -0.804 -0.804 -0.804
* Vs/Vr 0.276 0.263 0.682
2 3
* Vs/Vr = CO + ( C1*(qo/qi) ) + ( C2*(qo/qi) ) + ( C3* (qo/qi) )
Graphical Peak Discharge File Used for Inflow Data:
D:\projects\KERNPST2.GPD
Graphical Peak Discharge File Used for Outflow Data:
D:\projects\KERNPRE2.GPD
APPENDIX B
Flood Information

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APPENDIX C
CALCULATIONS
Pond, Orifice & Weir Design
• Project: Kernersville, NC Ozark Civil Engineering, Inc.
Project #: 99-0029
Water Quality Calculations (TSS)
POND 1
Water Quality Calculations
Drainage Area = 16.44 Acres
Impervious Area = 14.01 Acres
Percent Impervious = 85.2%
Permanent Pool Depth = 3 feet
From Chart: For 85% TSS REMOVAL (30' VEGETATED FILTER REQUIRED)
Percentage Above 80% 3.36 Corresponding Chart Number
Percentage Below 90% 3.74 Corresponding Chart Number
Percent Impervious 85.2% 3.55 Linear Estimate
Surface Area Required
3.55 /100 * 16.44 = 0.5842 Acres
25,445.68 Feet
Check
Volume Controlled From 1 inch Stone Required
Formula Used: Rv = .05 +.009(l)
Rv = 0.8170 in./in.
Volume Required = 1" x Rv x 1"/12'x Drainage Area
Volume Required = 1.1193 Acre-Feet
48,754.53 Cubic Feet (CF)
Forebay Volume Required (20% Min
Permanent Pool Volume Provide = 74,570.00
Forebay Volume = 14,914.00 CF 20%
Volume Provided = 16,636.00 CF 22%
(sufficient ?) YES
2/3100
END OF CALCULATIONS
Project: Kernersville, NC Ozark Civil Engineering, Inc. 2/3100
Project #: 99-0029
Water Quality Calculations (TSS)
TSS SA/DA Ratio Charts
Chart 1 For 85% TSS REMOVAL IN THE PIEDMONT
Permanent Pool Depth (feet)
% Impervious Cover 3.0 4.0 5.0 6.0 7.0 8.0 9.0
10% 0.59 0.49 0.43 0.35 0.31 0.29 0.26
20% 0.97 0.79 0.70 0.59 0.51 0.46 0.44
30% 1.34 1.08 0.97 0.83 0.70 0.64 0.62
40% 1.73 1.43 1.25 1.05 0.90 0.82 0.77
50% 2.06 1.73 1.50 1.30 1.09 1.00 0.92
60% 2.40 2.03 1.71 1.51 1.29 1.18 1.10
70% 2.88 2.40 2.07 1.79 1.54 1.35 1.26
80% 3.36 2.78 2.38 2.10 1.86 1.60 1.42
90% 3.74 3.10 2.66 2.34 2.11 1.83 1.67
Chart 2 For 85% TSS REMOVAL (30' VEGETATED FILTER REQUIRED)
Permanent Pool Depth (feet)
% Impervious Cover 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
10% 0.90 0.80 0.70 0.60 0.50 0.00 0.00 0.00 0.00 0.00
20% 1.70 1.30 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50
30% 2.50 2.20 1.90 1.80 1.60 1.50 1.30 1.20 1.00 0.90
40% 3.40 3.00 2.60 2.40 2.10 1.90 1.60 1.40 1.10 1.00
50% 4.20 3.70 3.30 3.00 2.70 2.40 2.10 1.80 1.50 1.30
60% 5.00 4.50 3.80 3.50 3.20 2.90 2.60 2.30 2.00 1.60
70% 6.00 5.20 4.50 4.10 3.70 3.30 2.90 2.50 2.10 1.80
80% 6.80 6.00 5.20 4.70 4.20 3.70 3.20 2.70 2.20 2.00
90% 7.50 6.50 5.80 5.30 4.80 4.30 3.80 3.30 2.80 1.30
100% 8.20 7.40 6.80 6.20 5.60 5.00 4.40 3.80 3.20 2.60
Chart 3 For 90% TSS REMOVAL (NO VEGETATED FILTER REQUIRED)
Permanent Pool Depth (feet)
% Impervious Cover 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
10% 1.30 1.00 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10
20% 2.40 2.00 1.80 1.70 1.50 1.40 1.20 1.00 0.90 0.60
30% 3.50 3.00 2.70 2.50 2.20 1.90 1.60 1.30 1.10 0.80
40% 4.50 4.00 3.50 3.10 2.80 2.50 2.10 1.80 1.40 1.10
50% 5.60 5.00 4.30 3.90 3.50 3.10 2.70 2.30 1.90 1.50
60% 7.00 6.00 5.30 4.80 4.30 3.90 3.40 2.90 2.40 1.90
70% 8.10 7.00 6.00 5.50 5.00 4.50 3.90 3.40 2.90 2.30
80% 9.40 8.00 7.00 6.40 5.70 5.20 4.60 4.00 3.40 2.80
90% 10.70 9.00 7.90 7.20 6.50 5.90 5.20 4.60 3.90 3.30
100% 12.00 10.00 8.80 8.10 7.30 6.60 5.80 5.10 4.30 3.60
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Area 1 - Wet Pond
Drainage Area 16.44 Acres
Impervious Area 14.01 Acres
Percent Impervious 85.2%
Minimum Required Surface Area of Pond
A .01q provides greater than 75% trapping efficiency
q Peak inflow rate for 10 year event
C I A =
q = CIA 0.98 5.1 16.44 82.17
A =.01q x 43560 35,792.00 SF
Minimum Sediment Storage Volume
.5 inch of sediment per acre of basin drainage area
Acres Min. (inches) (feet)
16.44 0.5 8.2 1.0 minimum
OR
Simple Method (1) _
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Voume = 48,754.53 CF
Depth Volume / Area
1.4 Feet Deep
FIGURE 1
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GRAPHIC SCALE
0 low 2000 REFERENCE: USGS 7.5 MINUTE
KER`NERSViLLE, NORTH CAROLINA

1 inch = 2000 fL 1969 - REVISED 1994
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Civil Engineering Inc.
STORM WATER MANAGEMENT REPORT
FOR THE PROPOSED LOWE'S HOME CENTER
IN
KERNERSVILLE, NORTH CAROLINA
Ozark Civil Engineering Project No. 99.0029
January 18, 2000
DISTRIBUTION
Lowe's Home Centers, Inc.
File
OZARK CIVIL ENGINEERING, INC.
1010 NW X St., Suite "I" ? Bentonville, AR 72712
501-464-8850 telephone ? 501-464-9040 fax
c
7
TABLE OF CONTENTS
STORM WATER MANAGEMENT REPORT
FOR THE PROPOSED
LOWE'S HOME CENTER
IN.
KERNERSVILLE, NORTH CAROLINA
Ozark Civil Engineering Project No. 99.0029
No. Description
Storm Water Management Report
APPENDICES
A. TR-55 Data Sheets
B. Flood Information
C. Calculations - Pond, Orifice & Weir Design
D. Sediment Calculations
FIGURES
1. Pre-Developed Area
2. Post-Developed Area
3. USGS
7
rFar k
Civil Eng ni eering Inc.
1010 NW "J" St., Suite "I" . Bentonville, AR 72712
501-464-8850 telephone . [phone],0 fax
Storm Water Management Report
For the Proposed Lowe's Home Center
In Kernersville, North Carolina
Project # 99.0029
EXECUTIVE SUMMARY
The site's overall drainage area surface flows into a drainage ditch, which splits
the property, or flows directly into Smith Creek located at the south property line.
The proposed development is designed to follow the same pattern and will be
released at a rate less than the pre-developed rate for the 2, 10, 25 and 50 year
storm events. The detention pond is additionally designed to control the runoff
from the 1 inch storm, which will pass through a forebay pond. A three foot
permanent pool is provided in the pond in order to capture the total suspended
solids as set forth by the NCDENR Best Management Practices guidelines dated
April 1999. The 1 inch storm event will be released over 50 plus hours through a
designed orifice outlet.
A vegetated berm between the forebay and main detention body will be
established with a combination of Spike Rush, Cattails, Sawgrass, Blackneedie
Rush, Lizard Tail and/or Fresh Water Needle Rush. Additionally, a 6:1 bench is
provided at the permanent pool elevation. See the construction plans for detail
drawings.
The following report describes the assumptions and calculations made during the
design of the storm water management facilities. Tables have been provided
throughout the report for easy reference.
Project Description
The following is the storm water management report for the proposed Lowe's
Home Centers located near the intersection of South Main Street and Harmon
Creek Road, in the City of Kernersville, Forsyth County, North Carolina. The
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 2
cover sheet of the construction drawings presents. a vicinity map of the site and
surrounding area. The proposed Lowe's Home Center will contain an 115,438
square foot store. All of the development has been accounted for in the storm
water calculations. The proposed road improvements to Harmon Creek Road
have been accounted for in the drainage system. The system will contain a main
detention pond body and a forebay area for removal of suspended solids.
The Storm Water Management (SWM) facilities are required to control the first
(1 ") inch of runoff from the site and has been sized to control the 2, 10, 25 and 50
year storm events. All release rates will be restricted to be less than or equal to
pre-developed rates. The calculations show a decrease in the release rate from
the pond discharge point. The 100-year storm event will pass through the top of
the outlet control structure and out the exit pipe. An emergency spillway has
been provided in the pond bank.
The SWM facilities will also serve as sediment basins during the construction
phase. Also note that the pond will be a wet detention pond in order to satisfy
the requirements of the Division of Water Quality of NCDENR. These
calculations are also included with this report. The first (1n) inch of rainfall
volume will be released over a period of between two and five days.
PRE-DEVELOPED CONDITIONS
The overall drainage area consists of approximately 21.86 acres. The site has
steep terrain with some rural housing with grassed open space. The majority of
the drainage area flows to a central ditch then into Smith Creek located at the
southern end of the property then onto the Yadkin River Basin. Figure 1 shows
the approximate drainage area and drainage ditches across the property. The
layout and design of the proposed detention basin will allow discharge below the
pre-developed rate.
Off-site water from the development to the north is received onto the subject
property by a large box drainage structure. The drainage from the box is
received from two interlinked detention ponds that meet pre-developed rates.
This box will be extended through the site and will not enter the on-site detention
basin.
Surface runoff from the subject property enters Smith Creek then onto the Yadkin
River Basin. A separate analysis will be completed for the impact to the flood
plain and drainage ditch to be filled. Figure 3 is a copy of the USGS for the
project area.
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 3
According to the FEMA Flood Insurance Rate Map the site lies within the SFHA
Zone AE and A which mandates that flood insurance be purchased for most
developments located within this zoning classification. The southern end of the
site lies within the 100-year flood plain. The 100-year flood elevation is elevation
872 MSL. The finished floor elevation of the proposed building is 895 MSL.
Appendix B contains FEMA flood information for the site.
Runoff calculations under existing conditions
The site is made up of steep terrain with some rural residential development. A
drainage ditch splits the property and flows south to Smith Creek. The runoff for
both the existing and developed condition was calculated using Technical
Release 55 (TR-55). This method considers land use, time of travel for runoff,
rainfall events and the size of the area in order to determine the storm water
runoff. The rainfall events were determined from the rainfall data maps from the
Erosion and Settlement Design Manual for North Carolina dated September 1,
1988.
The rainfall amounts will vary based on the design storm. The area is also
analyzed to determine its current land use and a runoff curve number is then
generated for the site. Next, the time of concentration, travel time in minutes
from the most remote point of the drainage basin to the outlet point is determined
and these items are used in the calculation to determine the runoff flow (Q)
before development.
Runoff curve number
The runoff curve number is based on land use for the area and percent of the
area with that type of use. For example, pavement has a runoff curve number of
98 as it is almost entirely made of impervious area. This number also takes into
account the soil type as determined by the soil conservation service. The soils
are then classified as type A.B.C. or D with each having varying rates of runoff.
This site is comprised primarily of type B soils. A weighted curve number for this
site with type B soils is calculated taking in consideration of existing structures
and pavement. The weighted curve number was calculated as 72.
Time of concentration
The time of concentration is based on three types of travel path: Sheet flow for
up to 150 feet, shallow concentrated flow and / or open channel flow in ditches or
pipes.
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 4
The most remote time of concentration is comprised of sheet flow for 150 feet at
4.67% slope. The runoff then becomes shallow concentrated flow for another
469 feet at 10.0%. Finally, runoff is conveyed into a ditch for 747 feet at 1.61 %
slope into Smith Creek. From the TR-55 calculations, we determined the time of
concentration to be as follows:
150' sheet flow at 4.67%, 469' shallow concentrated flow at 10.0% and 747'
channel flow at 1.61 %
TC = 0.27 hours = 16.2 minutes
Runoff Calculations - Tabular Hydrograph Method
Per TR-55, the runoff was calculated for both areas, and a hydrograph generated
from these calculations. This was accomplished for the 2, 10, 25, 50 and 100-
year storm events based on the curve number and time of concentration. The
results are as follows.
Pre-developed
Storm Event Run Off
2 Year 25 cfs
10 Year 53 cfs
25 Year 65 cfs
50 Year 81 cfs
100 Year 98 cfs
POST-DEVELOPED CONDITIONS
In the developed conditions, the site is drained into one basin with a forebay
treatment pond. The outlet box from the development to the north will be routed
through the site. The following tables break down.the basins into areas.
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 5
Post-developed Drainage Areas
Area Acres Description
1.0 14.90 Building, parking lot, detention pond and landscape
areas
1.1 1.54 Harmon Creek Road improvements
Subtotal 16.44 Total Area of Detention
2.0 5.42 Undisturbed, pervious flood plain area - south side of
building and detention pond
Total 21.86 Total Drainage Area
Runoff Calculations: Developed Conditions
In the developed state, runoff from 16.44 acres is taken to the pond. This
assumes a conservative 98% impervious area because the area is primarily
made up of building rooftop, asphalt parking lot and streets. The site will be fully
developed during the construction period.
Runoff Curve Number:
A curve number of 98 is used due to the large area of impervious area (building
and parking lot).
Time of concentration:
The time of concentration in the developed condition that was used in the design
was a very conservative 0.1. This is the minimum value that TR-55 will allow.
Post-developed (Tc) TC= 0.1 hours= 6 mins
Stormwater Management Report
Executive Summary, Kernersville, NC/99-0029
Page 6
Graphical Peak Discharge
The runoff for 'the developed condition is calculated using TR-55. The
calculations were performed for the 2,10,25, 50 & 100 year storm events. The
results are as follows:
Post-developed Conditions
Storm Event Run Off
2 Year 85 cfs
10 Year 126 cfs
25 Year 142 cfs
50 Year 162 cfs
100 Year 183 cfs
SWM Facilities Sizing and Routing
The SWM facilities as seen on the grading plan are sized to accommodate the
required storage volume as determined by TR-55 so that the pre-developed
release rates for the subareas are not exceeded.
Pond
Storm Event Required Volume Required Volume
1 inch 1.12 ac-ft 48,755 cf
2 Year 1.70 ac-ft 74,052 cf
10 Year 2.10 ac-ft 91,476 cf
25 Year 2.20 ac-ft 95,832 cf
50 Year 2.40 ac-ft 104,544 cf
100 Year 2.50 ac-ft 108,900 cf
The pond will have a bottom elevation of 873 MSL, Permanent Pool Elevation of
876, Top of control structure elevation of 878.66, top berm elevation of 881 MSL,
and an emergency spillway elevation of 880 MSL. The forebay volume is
approximately 16,636 cf. The side slope is 3:1 (horizontal to vertical) down to a
vegetated perimeter shelf with 6:1 (horizontal to vertical) side slopes at 876 MSL.
The total volume of the pond is 3.72 ac-ft.
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 7
The required volumes were utilized with the "growth" function in Microsoft
Excel TM to estimate the elevation at which the volumes are achieved. Using
these elevations, the head on the outlet structure for each storm event was used
to determine the proper weir and orifice outlet size in order to control for the pre-
developed flow rate. For example, the 2-year storm event to release at the pre-
developed 2-year flow rate.
The outlet structure for the pond will consist of a box outlet structure with an
orifice to control the first one (1") inch rainfall and maintain the permanent pool
elevation. A weir opening in the box will control the 2, 10, 25 and 50 year storm
events. The 100-year storm will be released through the top of the control
structure box.
The outlets were sized using the following equations:
Orifice Q=0.6A(2gh)112
Weir Q=3.33(b)(h)312
For the pond, these equations (refer to calculations in appendix C) determined
that a 3 inch orifice at elevation 876 will control the one (1") inch rainfall and a
15 foot wide weir opening at elevation 877.33 will control the 2, 10, 25 and 50
year storm events with the top of the box at the 50 year storm event height of
878.66 (see detail in appendix C).
Pond
Storm Stage Volume Release
1 inch 877.33 1.12 ac-ft 0.26 cfs
2 Year 877.93 1.70 ac-ft 23.28 cfs
10 Year 878.35 2.10 ac-ft 51.16 cfs
25 Year 878.45 2.20 ac-ft 59.19 cfs
50 Year 878.66 2.40 ac-ft 76.38 cfs
100 Year 878.76 2.50 ac-ft 183 cfs
Stormwater Management Report
Executive Summary
Kernersville, NC/99-0029
Page 8
Conclusions
Based on the provided data, the proposed pond discharge will not exceed the
pre-developed release rate into the receiving systems.
The design is based on and limited by the weather data, the analysis and their
applicability as presented herein. This development, with recommended
improvements constructed per the site development plans prepared by Ozark
Civil Engineering, Inc., is deemed not to increase existing endangerment to life or
property in the surrounding area.
Respectfully submitted,
Scott P. McGee, P.E.
Regional Manager ``1`10vo
094
Todd A. Butler, P.E.
President
APPENDIX A
TR-55 DATA SHEETS

Quick TR-55 Ver.5.46 SIN:
Executed: 15:14:12 02-01-2000 D:\projects\KERNPOND.TCT
Kernersville, NC
Pre-Developed Time of Concentration
Tc COMPUTATIONS FOR: Area 1
SHEET FLOW (Applicable to Tc only)
Segment ID AB
Surface description Grass
Manning's roughness coeff., n 0.2400
Flow length, L (total < or = 300) ft 150.0
Two-yr 24-hr rainfall, P2 in 3.500
Land slope, s ft/ft 0.0467
0.8
.007 * (n*L)
T = -------------- hrs 0.22 _ 0.22
0.5 0.4
P2 * s
SHALLOW CONCENTRATED FLOW
Segment ID BC
Surface (paved or unpaved)? Unpaved
Flow length, L ft 469.0
Watercourse slope, s ft/ft 0.1001
0.5
Avg.V = Csf * (s) ft/s 5.1047
where: Unpaved Csf = 16.1345
Paved Csf = 20.3282
T = L / (3600*V) hrs 0.03 = 0.03
CHANNEL FLOW
Segment ID CD
Cross Sectional Flow Area, a sq.ft 32.50
Wetted perimeter, Pw ft 14.50
Hydraulic radius, r = a/Pw ft 2.241
Channel slope, s ft/ft 0.0161
Manning's roughness coeff., n 0.0350
2/3 1/2
1.49 * r * s
V = -------------------- ft/s 9.2514
n
Flow length, L ft 747
T = L / (3600*V) hrs 0.02 = 0.02
TOTAL TIME (hrs) 0.27
Quick TR-55 Ver.5.46 SIN:
Executed: 15:14:37 02-01-2000
Kernersville, NC
Pre-Developed Curve Number
RUNOFF CURVE NUMBER SUMMARY
Subarea Area CN
Description (acres) (weighted)
------------- --------- ------------
21.86 72
Quick TR-55 Ver.5.46 SIN:
Executed: 15:14:37 02-01-2000
Kernersville, NC
Pre-Developed Curve Number
RUNOFF CURVE NUMBER DATA
Composite Area:
AREA CN
SURFACE DESCRIPTION (acres)
-------------------------------- --------- ----
Open Space with grass cover 19.36 69
Impervious area - buildings, 2.50 98
COMPOSITE AREA ---> 21.86 72.3 ( 72 )

Quick TR-55 Version: 5.46 SIN:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13 .
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
Page 1
»» Input Parameters Used to Compute Hydrograph <<<<
Subarea AREA CN Tc * Tt Precip. I Runoff Ia/p
Description (acres)
--------- (hrs)
------ (hrs) (in) I
------------------- (in) input/used
------------------
---------------
Area 1 ------------
20.32 73.0
- 0.30
------- 0.00 3.50 1
------------------- 1.18 .21 .30
------------------
---------------
* Travel time ------------
from subarea -------
outfall to com posite watershed ou tfall point.
Total area = 20.32 acres or 0.03175 sq.mi
Peak discharge = 22 cfs
>>>> Computer Modifications of input Parameters <<<<<
Input Values Rounded Values Ia/p
Subarea Tc * Tt Tc * Tt Interpolated Ia/p
Description (hr)
------- (hr)
--------- (hr)
-------- (hr)
--------- (Yes/No) Messages
-------------------------------
---------------
Area 1 0.27 0.00 0.30
----- 0.00
--------- No --
-------------------------------
---------------
* Travel time ----------------
from subarea out ---
fall to composite watershed outfall point.

}
Quick TR-55 Version: 5.46 SIN:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
»» Summary of Subarea Times to Peak ««
Subarea
--------------
Area 1
--------------
Composite Watershed
Peak Discharge at
Composite Outfall
(cfs)
--------------
22
--------------
22
Page 2
Time to Peak at
Composite Outfall
(hrs)
------------
12.3
------------
12.3

Quick TR-55 Version: 5.46 S/N:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
Composite Hydrograph Summary (cfs)
Page 3
Subarea 11.0 11.3 11.6 11.9 12.0 12.1 12.2 12.3 12.4
Description hr
- hr
------- hr
------- hr
-------- hr
------ hr
------- hr
-------- hr
------- hr
------
---------------
Area 1 -------
0 0 0
-- 0
------- 2
------- 9
------- 20
------- 22
-------- 17
------
---------------
Total (cfs) --------
0 -------
0 -----
0 0 2 9 20 22 17
---------------
Subarea ---------
12.5 -------
12.6 -------
12.7 -------
12.8 -------
13.0 -------
13.2 -------
13.4 -------
13.6 ------
13.8
Description hr
-- hr
------- hr
------- hr
------- hr
------- hr
------- hr
------- hr
------- hr
------
---------------
Area 1 -------
11 8 6
- 5
------- 4
------- 3
------- 3
------- 3
------- 2
------
---------------
Total (cfs) ---------
11 -------
8 ------
6 5 4 3 3 3 2
---------------
Subarea --------
14.0 --------
14.3 ------
14.6 -------
15.0 -------
15.5 --------
16.0 -------
16.5 ------
17.0 -------
17.5
Description hr
-- hr
-------- hr
------ hr
------- hr
------- hr
------- hr
-------- hr
------ hr
-------
---------------
Area 1 ------
2 2 2
----- 2
------- 1
------- 1
------- 1
-------- 1
------ 1
-------
---------------
Total ( cfs ) --------
2 -------
2 --
2 2 1 1 1 1 1
---------------
Subarea ---------
18.0 -------
19.0 -------
20.0 -------
22.0 ----------------------------------
26.0
Description hr
-------- hr
------- hr
------- hr
------- hr
----------------------------------
---------------
Area 1 -
1 1
---- 1
------- 1
------- 0
----------------------------------
---------------
Total (cfs) ---------
1 ---
1 1 1 0
C
Quick TR-55 Version: 5.46 SIN:
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-24-2000 14:44:13
Watershed file: --> D:\projects\KERNPOND.WSD
Hydrograph file: --> D:\projects\KERNPOND.HYD
Kernersville, NC
Pre-Developed Watershed Data
Time Flow Time Flow
(hrs) (cfs)
------ (hrs)
-------- (cfs)
---------
--------
11.0 ---
0 14.8 2
11.1 0 14.9 2
11.2 0 15.0 2
11.3 0 15.1 2
11.4 0 15.2 2
11.5 0 15.3 1
11.6 0 15.4 1
11.7 0 15.5 1
11.8 0 15.6 1
11.9 0 15.7 1
12.0 2 15.8 1
12.1 9 15.9 1
12.2 20 16.0 1
12.3 22 16.1 1
12.4 17 16.2 1
12.5 11 16.3 1
12.6 8 16.4 1
12.7 6 16.5 1
12.8 5 16.6 1
12.9 4 16.7 1
13.0 4 16.8 1
13.1 4 16.9 1
13.2 3 17.0 1
13.3 3 17.1 1
13.4 3 17.2 1
13.5 3 17.3 1
13.6 3 17.4 1
13.7 2 17.5 1
13.8 2 17.6 1
13.9 2 17.7 1
14.0 2 17.8 1
14.1 2 17.9 1
14.2 2 18.0 1
14.3 2 18.1 1
14.4 2 18.2 1
14.5 2 18.3 1
14.6 2 18.4 1
14.7 2 18.5 1
Page 4
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&x P Z Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
June 17, 2005
firth Carolina 27699.1650
,J, Raleigh, North Carolina 27604
9-733.6893 / Internet: http:/412o enr.state.nc.us/ncwetlands
Steven J. Levitas
Kilpatrick Stockton LLP
3737 Glenwood Ave Suite 400
Raleigh NC 27612
Re: Utilizing David Lenat for Biological Evaluations at The Preserve DWQ # 99-1233
Dear Steve,
It is the opinion of the 401 Unit that David Lenat is the best macroinvertebrate taxonomist
currently doing consulting work in North Carolina. While we hope that at some point Mr. Lenat
would be willing to go through the process to get his laboratory Certified, the fact that he has not
done so at this point in no way diminishes his taxonomic abilities. We will accept any
macroinvertebrate monitoring information submitted by 'you from Mr Lenat as though his lab is
Certified.
Sincerely,
?t6 7-
Cyn - Karoly
Supervisor, 401 Permitting Unit
Cc: David Lenat, 3706 Corbin St, Raleigh, NC 27612
Larry Eaton
files
,mative Action Employer - 50% Recycled/10% Post Consumer Paper
Nof Carolina
Nturully
KILPATRICK
\ STOCKTON LLP
Attorneys at Law
May 16, 2005
VIA FACSIMILE AND U.S. MAIL
Ms. Cyndi Karoly
Supervisor, Wetlands Unit
Division of Water Quality
1650 Mail Service Center
Steven J. Levitas
direct dial 919 420 1707
direct fax [phone]
[e-mail]
Q?c??onRE?
MAY 1 7 2005
Raleigh, NC 27699-1650 DENR - WATER QUALITY
WETLANDS AND STORMWATER BRANCH
Re: The Preserve at Jordan Lake, Chatham County
Environmental Monitoring Program, DWQ Project # 991233
Dear Cyndi:
Thank you for taking the time to talk with me last week concerning the environmental
monitoring program for The Preserve at Jordan Lake ("The Preserve"). At your suggestion, I
also had a follow-up conversation on this subject with John Dorney. As we discussed, the
laboratory that performs the monitoring program recently discovered that its subcontractor,
MacTec Engineering and Consulting, Inc. ("MacTec"), lost its only employee certified to
conduct macrobenthos sampling and analysis. To our knowledge, MacTec was the only firm
in North Carolina certified to conduct this work. I am writing to propose an alternative
approach to performing the macrobenthic sampling and analysis required by the 401
Certification for The Preserve.
As an initial matter, I would note that Condition 7. of the 401 Certification dealing
with environmental monitoring is not clearly drafted. (It appears a phrase or sentence may
have inadvertently been omitted.) To the extent that this condition can be read to require
macrobenthic sampling, it does not require that such sampling be performed by a certified
party. However, the monitoring plan proposed by The Preserve and approved by DWQ does
specify that a certified party would be used.
Our review of the North Carolina-certified labs for macrobenthos testing indicates
that Pennington & Associates ("Pennington") in Cookeville, Tennessee is the closest North
Carolina-certified lab. Because of the distance of this lab from the site, using Pennington is
not an economically practical alternative. Mr. Dorney acknowledged the shortage of
box- -b 2- 4 Tr__
Suite 400 3737 Glenwood Avenue
Raleigh NC 27612
t 919 420 1700 f 919 420 1800
www.KilpatrickStockton.com
ATLANTA AUGUSTA CHARLOTTE LONDON NEW YORK RALEIGH STOCKHOLM WASHINGTON WINSTON-SALEM
Ms. Cyndi Karoly
May 16, 2005
Page 2
certified macrobenthic analysts in North Carolina and indicated that he does not think it
necessary that we attempt to engage the services of a certified party from out of state. We
agreed that the certification is less important than having the work performed appropriately
by a well trained and well qualified individual.
Accordingly, we propose that the required work be performed by Lenat Consulting
Services, Inc. ("Lenat"), who was suggested by John as well as by Matt Matthews of DWQ's
Aquatic Toxicology Unit; Dave Penrose, formerly of DWQ; and Larry Eaton of the DWQ
Wetlands Unit. Mr. David Lenat, Lenat's principal, worked for DWQ for twenty-five years
and another five years for North Carolina State University as the lead person in the field of
benthic macroinvertebrates. He is certified by the Ecological Society of America as a Senior
Ecologist. We request that DWQ approve the use of Lenat to perform the macrobenthos
sampling and analysis for The Preserve. (Please note that this action does not require a
modification of the 401 Certification.) Because we discovered the loss of MacTec services
only recently and the macrobenthos testing must be performed by the end of May, on the
strength of the recommendation received, we have gone ahead and engaged Lenat to perform
the macrobenthos sampling and analysis for this sampling event. However, if this approach
is not acceptable to DWQ, we can discuss alternative arrangements once we hear from you.
Thanks very much for your assistance. We look forward to receiving your response.
With best wishes,
SJL/CAB/j s
cc: Mr. John Dorney
Mr. J. David Edwards
Dr. Charles H. Peacock
Mr. John Melvin
Sincerely yours,
KILPATRICK STOCKTON LLP
Steven J. Levitas
l
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P. E. Director
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
April 13, 2004
CERTIFIED MAIL - RETURN RECEIPT REQUESTED
Mr. J. David Edwards
The Preserve at Jordan Lake Golf Club
840 The Preserve Trail
Chapel Hill, NC 27517
Dear Mr. Edwards:
RE: 2003 Water Quality Monitoring report
The Preserve at Jordan Lake
DWQ # 99-1233
Chatham County
On May 31, 2004 the Division received three copies of the 2003 Water Quality Monitoring
report for the above-mentioned project. This report was required by the 401 Water Quality
Certification issued to you on August 9, 2000 following a Public Hearing that the Division held on
this project. As you know, the 401 Certification required annual reports to be submitted by April
1 st of each year. According to our records, the report that we received on May 31, 2004 is the
first report received in response to this requirement. Therefore the reports due to DWQ by April
1, 2001, April 1, 2002, and April 1, 2003 apparently were not submitted. The report states that it
summarizes all water quality data collected to date on the site. The Division will address the
compliance of the project with the 401 Certification requirement once the following items have
been addressed.
Upon reviewing the report, the following items will need to be addressed. We have
compared this report to the approved monitoring plan dated October 27, 2000. Please address
these items and submit a revised plan for DWQ review.
1. Phase II
a. The November TSS data are missing. Please address this issue.
b. On Table 1, the footnote states "Note: no DO - Mar, Jun, Oct and Nov".
Please elaborate and explain the missing data.
C. Data on dissolved oxygen, ammonia nitrogen and TKN are missing.
Please address this issue.
d. The subsequent sheets of Table 1 and Table 2 do not have a first column
a first column that describes the representative sample rows. Please
modify the table accordingly.
N. C. Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [phone]
A%h
RM
Customer Service
1-877-623-6748
e. The macrobenthos analysis refers to Stream 1, Stream 2, etc. while the
monitoring plan refers to MB 1, MB 2, etc. Please clarify this issue in your
written response.
f. The monitoring plan requires sediment samples. Please provide these
data or discuss why they are not available. Please clarify this issue in your
written response.
g. Please address the elevated levels of total P, ortho P, Nitrate, chloroplyll a
and turbidity for SW2 in June of 2003. Also address what remedial
actions (if any) need to be taken to resolve this issue.
h. Coliform data should also be presented as geometic means in addition to
averages and standard deviations.
2. Phase
a. The following data appear to be missing from this monitoring phase -
Ammonia nitrogen, TKN, chlorophyll a, fecal coliform and one set of
pesticide data (only two sets provided rather than the three that are
required). Please provide these data or discuss why they are not
available.
b. The subsequent sheets of Table 1 and Table 2 do not have a first column
that describes the representative sample rows. Please modify the table
accordingly.
C. Groundwater - Only two samples appear to have been taken rather than
the three that were required. Please provide these data or discuss why
they are not available.
d. Macrobenthos data - Why was stream number 3 not sampled?
L The monitoring plan requires sediment samples. Please provide these
data or discuss why they are not available.
3 Overall issues related to the report
a. Please consolidate the water chemistry data into graphs (Y axis for
concentration and X axis from time) so we can more readily examine the
data for trends. The data tables should continue to be provided.
b. Please discuss any data that are greater than the standards or guidelines
in both Phase I and Phase II of the monitoring. Please also address any
remedial actions needed to address these exceedances.
C. Macrobenthos data - Who collected and identified the aquatic insect
samples? The monitoring plan requires a DWQ-certified lab. Please
address this matter in your written response.
d. Macrobenthos data - There appears to have been a decline in
macrobenthos numbers, taxa number, Dominants in Common and EPT
taxa in streams 1 and 4 from Phase I to Phase II. Please address this
issue in your written response and discuss what remedial actions (if any)
you plan to take to address this issue..
Please submit responses to these issues within the next three (3) weeks so we can
complete our review of the monitoring reports. Also please address measures you will take to
ensure that future reports are received in a timely manner.
N. C. Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [phone]
AE Customer Service
1-877-623-6748
W
A
I can be reached at 919-733-9646 if you have any questions.
Si*q ely yours,
Cc: Ken Schuster, DWQ Raleig Re ional Office
File copy
Central files
Derb Carter, Southern Environmental Law Center, 200 West Franklin Street,
Suite 330, Chapel Hill, NC 27516-2520
Elaine Chiasso; Haw River Assembly; P.O. Box 187, Bynum, NC 27228
N. C. Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [phone]
I W%
Customer Service
1-877-623-6748
W ATFR4
?O p
? r
C3 'C
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P. E. Director
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
April 13, 2004
CERTIFIED MAIL - RETURN RECEIPT REQUESTED
Mr. J. David Edwards
The Preserve at Jordan Lake Golf Club
840 The Preserve Trail
Chapel Hill, NC 27517
Dear Mr. Edwards:
RE: 2003 Water Quality Monitoring report
The Preserve at Jordan Lake
DWQ # 99-1233
Chatham County
On May 31, 2004 the Division received three copies of the 2003 Water Quality Monitoring
report for the above-mentioned project. This report was required by the 401 Water Quality
Certification issued to you on August 9, 2000 following a Public Hearing that the Division held on
this project. As you know, the 401 Certification required annual reports to be submitted by April
1 gt of each year. According to our records, the report that we received on May 31, 2004 is the
first report received in response to this requirement. Therefore the reports due to DWQ by April
1, 2001, April 1, 2002, and April 1, 2003 apparently were not submitted. The report states that it
summarizes all water quality data collected to date on the site. The Division will address the
compliance of the project with the 401 Certification requirement once the following items have
been addressed.
Upon reviewing the report, the following items will need to be addressed. We have
compared this report to the approved monitoring plan dated October 27, 2000. Please address
these items and submit a revised plan for DWQ review.
1. Phase 11
a. The November TSS data are missing. Please address this issue.
b. On Table 1, the footnote states "Note: no DO - Mar, Jun, Oct and Nov".
Please elaborate and explain the missing data.
C. Data on dissolved oxygen, ammonia nitrogen and TKN are missing.
Please address this issue.
d. The subsequent sheets of Table 1 and Table 2 ,do not have a first column
a first column that describes the representative sample rows. Please
modify the table accordingly.

N. C. Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [phone] Customer Service
1-877-623-6748
e. The macrobenthos analysis refers to Stream 1, Stream 2, etc. while the
monitoring plan refers to MB 1, MB 2, etc. Please clarify this issue in your
written response.
f. The monitoring plan requires sediment samples. Please provide these
data or discuss why they are not available. Please clarify this issue in your
written response.
g. Please address the elevated levels of total P, ortho P, Nitrate, chloroplyll a
and turbidity for SW2 in June of 2003. Also address what remedial
actions (if any) need to be taken to resolve this issue.
h. Coliform data should also be presented as geometic means in addition to
averages and standard deviations.
2. Phase
a. The following data appear to be missing from this monitoring phase -
Ammonia nitrogen, TKN, chlorophyll a, fecal coliform and one set of
pesticide data (only two sets provided rather than the three that are
required). Please provide these data or discuss why they are not
available.
b. The subsequent sheets of Table 1 and Table 2 do not have a first column
that describes the representative sample rows. Please modify the table
accordingly.
C. Groundwater - Only two samples appear to have been taken rather than
the three that were required. Please,?.provide these data or discuss why
they are not available.
d. Macrobenthos data - Why was stream number 3 not sampled?
L The monitoring plan requires sediment samples. Please provide these
data or discuss why they are not available.
3 Overall issues related to the report
a. Please consolidate the water chemistry data into graphs (Y axis for
concentration and X axis from time) so we can more readily examine the
data for trends. The data tables should continue to be provided.
b. Please discuss any data that are greater than the standards or guidelines
in both Phase I and Phase II of the monitoring. Please also address any
remedial actions needed to address these exceedances.
C. Macrobenthos data - Who collected and identified the aquatic insect
samples? The monitoring plan requires a DWQ-certified lab. Please
address this matter in your written response.
d. Macrobenthos data - There appears to have been a decline in
macrobenthos numbers, taxa number, Dominants in Common and EPT
taxa in streams 1 and 4 from Phase I to Phase II. Please address this
issue in your written response and discuss what remedial actions (if any)
you plan to take to address this issue.. .
Please submit responses to these issues within the next three (3) weeks so we can
complete our review of the monitoring reports. Also please address measures you will take to
ensure that future reports are received in a timely manner.
N. C. Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [phone]
Customer Service
1-877-623-6748
n
' I can be reached at 919-733-9646 if you have any questions.
Si*erely yours,
n o ey
Cc: Ken Schuster, DWO Raleig Re ional Office
File copy
Central files
Derb Carter, Southern Environmental Law Center, 200 West Franklin Street,
Suite 330, Chapel Hill, NC 27516-2520
Elaine Chiasso; Haw River Assembly; P.O. Box 187, Bynum, NC 27228
N. C. Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [phone] Customer Service
1-877-623-6748
G4
wAr?R
J ( ¦?¦/A??QG
Mr. Derb Carter, Jr.
Southern Environmental Law Center
200 West Franklin Street
Suite 330
Chapel Hill, NC 27516-2520
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Denart rent of FnvirnnmPnt and Mahiral R>on-CeS
SStr.t_ Q000 -tor
lity n
uty
April 14, 200
Dear Mr. Carter:
RE: Request for water quality monitoring reports
The Preserve
Chatham County
DWQ # 99-1233
Thank you for your letter of April 2, 2004 concerning the water quality monitoring reports
for The Preserve project in Chatham County. Please find enclosed copies of 1) the monitoring
plan dated October 27, 2000, 2) DWQ's written approval for the plan (dated November 6, 2000),
3) the 2003 Water Quality Monitoring Report (dated March 31, 2004), and 4) a copy of recent
DWQ correspondence (dated April 13, 2004) concerning deficiencies in the 2003 Water Quality
Monitoring Report. The copies of the monitoring plan and monitoring report are duplicates of the
original reports which you may either keep or copy and return to DWQ.
I can be reached at 919-733-9646 if you have any questions.
S
?'I ome
Cc: Steve Mitchell, DWQ Raleigh Rffice
Elaine Chiasso; Haw River Assembly, P.O. Box 187, Bynum, NC 27228
J. David Edwards; The Preserve at Jordan Lake Golf Club, 840 The Preserve Trail,
Chapel Hill, NC 27517
File copy
Central files
N. C. Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 [phone]
Customer Service
1-877-623-6748
State of North Carolina
Department.of Environment
and Natural Resources
Division of Water Quality
Wft
Am Now
James B. Hunt, Jr., Governor NCDENR
Bill Holman, Secretary NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
Kerr T. Stevens, Director
November 6, 2000
Mr. Mark Ashness
CE Group
Post Office Box 219
Pittsboro, NC
Regarding: Water Quality Plan
Harris Track, Chatham County
DWQ# 991233
Dear Mr. Ashness:
The Division of Water Quality has received and reviewed the Environmental
Monitoring Program for the Preserve at Jordan Lake Golf Club (October 31, 2000). The
received monitoring plan addresses -all of the concerns expressed by DWQ staff. We look
forward to working with your consultants as work progresses with this project.
Fomey
Cc: DWQ Raleigh Regional Office
Raleigh Field Office-US Army Corps of Engineers
Rex Gleason, DWQ Mooresville Regional Office
Kevin Martin, Soil & Environmental Consultants
Ron Ferrell, WRP
Diana Haywood, Haw River Assembly
Chatham County Water Supply
Jay Sauber, DWQ
Keith Megginson. Chatham County Planner
Central Files
File Copy
Wetlands/401 Unit • 4401 Reedy Creek Road • Raleigh, North Carolina 27607
Telephone [phone] FAX # [phone]
An Equal opportunity Affirmative Action Employer
50% recycled/ 10% post consumer paper

Environmental Monitoring Program
The Preserve at Jordan Lake Golf Club
Chatham County, North Carolina
October 27, 2000
Prepared By:
Turf & Environmental management Associates
Raleigh, North Carolina
Environmental Monitoring Program
The Preserve at Jordan Lake Golf Club
Chatham County, North Carolina
October 27, 2000
Prepared By:
Turf & Environmental management Associates
Raleigh, North Carolina
Table of Contents
1.0 Introduction 1
2.0 Phase I: Background Construction and Development Phase - Surface
Water, Groundwater, and Sediment Quality 2
2.1. Sample Locations 2
2.2. Sample Frequency 3
2.3. Sample Variables 3
2.4. Field Methods 5
2.5. Laboratory Methods 10
3.0 Phase II: Surface Water, Groundwater, and Sediment Quality During
Operations 11
3.1. Sample Locations 11
3.2. Sample Frequency 11
3.3. Sample Variables 12
3.4. Field Methods 12
Laboratory Methods 12
4.0 Data Storage, Reporting, and Criteria for Management Response
4.1. Data Storage and Reporting 13
4.2. Data Analysis 13
4.3. Criteria for Management Response 14
5.0 Field Quality Control and General Water and Sediment Sampling
Considerations 17
5.1. General Measures 17
5.2. Prevention of Sample Contamination 17
5.3. Field Quality Control 18
6.0 References 19
Appendix I 20
Turf & Environmental Management Associates, Inc.
Raleigh, North Carolina
1 Environmental Monitoring Program
1.0 Introduction
Page
A water quality monitoring program has been established for The Preserve at Jordan Lake Golf
Club. The monitoring program will include monitoring of surface water, pond sediments, and
ground water. The monitoring plan, based on sound, scientific principles will:
1. Establish a baseline of water and sediment quality prior to construction,
2. Provide data that will establish environmental conditions, thus providing a basis for
measuring compliance with environmental regulations, and
3. Ensure that Integrated Pest Management is functioning properly.
An adaptation from a model proposed by Madhun and Freed (1990) notes that there are four
basic types of monitoring which can occur: 1) Reconnaissance - periodic observation to disclose
changes or trends. With IPM employed this is an integral part of this program; 2) Surveillance -
to comply with an enforcement program. Pesticide application licensing programs require record-
keeping which may be monitored at any time. This will be required by law and serves as a record
of a part of the cultural program; 3) Subjective - spot-checking for broad or open-ended
exploration of problems. A superintendent with training and experience in the golf course
management industry has the background and resources to investigate problems and make
intelligent decisions; and 4) Objective - to provide data for use in developing or confirming the
results of on-going programs. Monitoring operations at The Preserve at Jordan Lake Golf Club
will focus on maintaining environmental quality and obtaining information on which to make
adjustments in cultural programs using all of these approaches.
Results of the Environmental Water Quality monitoring program provide feedback to the golf
course superintendent, and thus provide a useful management tool. For example, the results of the
program are used in determining the correct application rates and timing of pesticides and
fertilizers, and the optimum operation of irrigation programs.
The Environmental Monitoring Program is established in two phases that coincide with golf
course development. Phase I is during the construction and development phase and immediate
post-development time-frame, and Phase II is the post-development, operational golf course.

Environmental Monitoring Program Page 2
2.0 PHASE I: BACKGROUND CONSTRUCTION AND DEVELOPMENT PHASE -
' SURFACE WATER, GROUNDWATER, SEDIMENT QUALITY AND MACROBENTHOS
MONITORING.
The goal of Phase I is to establish background surface water, groundwater, sediment quality and
' macrobenthos population data at The Preserve at Jordan Lake Golf Club.
2.1. Sample Locations.
Surface Water. Surface water on the property are several unnamed tributaries which
ultimately egress the property to Jordan Lake. Water will be sampled at locations on the
' creeks that are described below and shown on attached map (SW means surface water):
• Sample Station SW-1, SW-2, & SW-3. Surface water test location at discharge
' location
• Sample Station SW-4 & SW-5. Surface water test location upstream of project
Obtaining water samples from the same location is important so that comparisons can be
made. Sample stations will be located and permanently marked in the field, identified on
' maps, and photographed so that stations are easily located during subsequent sampling
efforts. Data from these sample stations will allow an assessment of the quality of the
water.
Groundwater. Surficial groundwater will be sampled at nine locations that will be
determined by the geologist based on flow directions. Four wells will be up-gradient, and
t five wells will be down-gradient of the golf course. Locations will be described once they
are determined, and will be given below and shown on attached map (MW means monitor
well).
' Sample Station MW-1 thru MW4 and MW-9 are downgradient
Sample Station MW-5 thru MW-8 are upgradient.
' Groundwater sample stations will be field marked, identified on maps, and photographed.
Data from these sample stations will allow an assessment of the quality of the groundwater
on the site.

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Sediment Pond sediment will be sampled from the sediments of three tributaries. The
' location is described below and shown on attached map (S means sediment).
Sample Stations S-1 thru S-3 are down age dient
• Sample Station S-4 thru S-6 are u&Eadient to measure sediment that may be
' entering the property.
The sediment sampling station will be impounded during construction. Thus, in
' subsequent sampling phases, the location will be changed from the tributary to the pond
that will be constructed.
' Macrobenthos Sampling for benthic macroinvertebrates will be conducted at four
locations. The location is described below and shown on attached map ( MB means
macrobenthos ).
' Sample Stations MB-1 thru MB-3 are downgradient
Sample Station MB4 is upgradient
2.2. Sample Frequency. The goal of Phase I is to define conditions at the site.
' Surface Water. Surface water samples will be collected three times prior to beginning
Phase H. Depending on the construction schedule, one sample event will be in Winter
' (December, January, February), Spring (March, April, May), one in Summer (June, July,
August), and one in Autumn (September, October, November). Should water not be
available on a given sample date, two additional attempts should be made to obtain a
1 sample within the time period.
Groundwater. Groundwater samples will be collected three times during this phase.
Sediment. Sediment will be collected one time during the spring sample time.
' Macrobenthos. Macrobenthos samples will be collected one time prior to any construction
activity in the fall or winter.
This phase of the monitoring program will be converted to Phase H when grassing has been
completed.
' 2.3. Sample Variables. Surface water, groundwater and sediments will be analyzed for the
variables listed in Table 1. Macrobenthos parameters are discussed in the following section.
' The inclusion of pesticides in the analytes was based on several factors that are detailed in the
Integrated Pest Management plan (in preparation) for The Preserve at Jordan Lake Golf Club.
The primary factors were potential quantity of a chemical that may be used at the club, and the
' chemical's mobility, leaching potential, persistence and toxicity based on data in the scientific

Environmental Monitoring Program Page 4
literature and computer models. Restrictions have been placed on pesticides and herbicides that
have a high leaching potential; those that have a low to moderate leaching potential will be used
sparingly; and those that will be used most frequently have a very low to no leaching potential and
a rapid degradation time.
Table 1. Variables to be Analyzed (s) in Surface- and Ground- Water and'Sediments at
The Preserve at Jordan Lake Golf Club.

Variable PHASE I and H Environmental Monitoring Prograin
Surface Water Ground Water Sediment
Field Analyses
pH X X
Water Temperature X X
Specific Conductance X X
Dissolved Oxygen X
Laboratory Analyses
Nitrate Nitrogen X X
Ammonia Nitrogen X
Total Kjeldahl Nitrogen X
Orthophosphate
Phosphorus X
Total Phosphorus X X X
Fecal coliforms X
Total Dissolved Solids X X
Chlorophyll a X
Turbidity X
Mecoprop X X
Chlorpyrifos X X X
Propiconozole X X X
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2.4. Field Methods. Variables, container type, preservation and holding times for water samples
t are given in Table 2, and for sediment samples in Table 3.
' Surface Water. A number of variables will be measured on-site, including pH, water
temperature, dissolved oxygen, and specific conductance. pH will be measured with a pH
probe that has been calibrated just prior to use. Specific conductance will be measured
' with a calibrated specific conductance meter. Dissolved oxygen will be measured with a
dissolved oxygen probe (or by wet chemistry methods) that has been properly calibrated.
Water temperature will be measured with a temperature probe attached to the specific
conductance meter or the dissolved oxygen meter.
Surface water will be sampled by obtaining 'discrete' grab samples of water. Discrete grab
' samples are taken at a selected location, depth and time, and then analyzed for the
constituents of interest. Water will be collected in sample bottles that face upstream, and
water is transferred to sample containers that include proper preservatives and labels. The
' sample containers are immediately placed in a cooler with ice and are taken to a laboratory
for analysis.
' A chain-of-custody program is followed to assure that proper transportation and storage
practices are documented and that the appropriate analyses are being conducted.
A field sampling log of surface water sampling and observations will be maintained. The
' log book documents site conditions, including stream water depth, weather conditions,
and field measurements and observations. An example of a page from a field log is given in
Appendix I.
Groundwater. Groundwater elevation is determined for each well on each sampling date.
' After measuring water elevation, the standing water in the well is removed, and replaced
by fresh formation water. The quantity of water removed is determined from the well
volume and recharge rate. In general, high-yield wells are purged of three well casing
volumes of water and low-yield wells are pumped to dryness. Each well is purged using a
portable pump or with a Teflon® bailer that is cleaned between well samples. Water is
suitable for sampling when three consecutive measures of water have stable pH,
' temperature and specific conductance readings.
Wells are allowed to recharge after purging to allow the system to equilibrate. Depth to
the water table is re-measured, recorded and water samples are extracted. Extraction
' occurs with a pump, or a dedicated Teflon® bailer. Water temperature, pH, and specific
conductance are measured in water that will not be used for laboratory analyses. Water
samples are taken and decanted or drained into an appropriate sample container that has
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the proper preservatives and is labeled. Samples are transferred from the sample device to
the sample container in a manner that will minimize turbulence and the loss of volatile
compounds. Samples are immediately placed in a cooler with ice and transported to the
analytical laboratory. Whenever non-dedicated equipment is used, cleaning procedures
' outlined by the EPA (1986) will be instituted. Special attention will be given to
thoroughly cleaning samplers, tubing, and other equipment. And, to ensure that the
sample is not contaminated, blanks will be collected and analyzed.
' A chain-of-custody program is followed to assure that proper transportation and storage
practices are documented and that the appropriate analyses are being conducted.
A field sampling log on groundwater sampling and observations will be maintained. The
log book documents site conditions, including water depth, observations, weather
' conditions, and field measurements. An example of a page from a field log is given in
Appendix I.
' Sediment. Sediment will be collected with a gravity type sediment coring device or by
hand. Sampling will occur at three locations around the edge of the creek and will be
composited into one sample in the field. The three samples will be collected from near
f shore sediments. The approximate top 10-cm of the sediment will retained and analyzed
for the variables listed in Table 1.
A chain-of-custody program is followed to assure that proper transportation and storage
' practices are documented and that the appropriate analyses are being conducted. A field
sampling log on sediment sampling and observations will be maintained. The log book
documents site conditions, including water depth, sediment texture, observations, and
' weather conditions. An example of a page from a field log is given in Appendix I.
Macrobenthos. Macro-benthos sampling. Standard qualitative collection methods for
small 1` and 2nd order streams are inappropriate. Therefore, it is recommended that an
abbreviated collection technique be used. This technique is a modification of the standard
method in which only four samples are collected (rather than ten): one kick net sample,
one sweep net sample, one leaf-pack and "visuals". It is recommended that all organisms
are collected and processed during using this survey type. This collection method is
referred to in this guidance as a Qua14 technique. A list of all taxa collected, taxa richness
' values (total and EPT), EPT abundance and biotic index values should be given for each
sample collected using this method.
' This collection protocol is semi-quantitative. The result is lists of taxa and relative
abundance values (DWQ assigns Rare, Common and Abundant value to 1-2, 3-9 and 10
or more specimens, respectively). One of the primary objectives of semi-qualitative
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surveys is to make within or between site comparisons and to determine the presence or
absence of benthic macroinvertebrate species with various tolerances to water pollution.
When conducting these types of surveys, attempts are made to collect as many taxa as
possible in an allotted time period and usually requires some experience to select the most
' productive habitat. A disadvantage of semi-qualitative methods is that no information on
standing crop or biomass can be generated.
DWQ protocols for processing benthic macroinvertebrate samples are discussed in the
Standard Operating Procedures manual (NCEBNR 1997). Benthic macroinvertebrate
' samples collected by biologists are "picked" and preserved in the field. It is not necessary
to know the total number of organisms from a specific habitat type when qualitative or
semi-qualitative samples are collected. It is only necessary to know if those taxa are
' present and if they are rare, common or abundant. Specimens are "picked" from the
sample and preserved in 6 dram vials using 95% ethanol. Larger organisms (dragonflies,
crayfish, Megaloptera) are preserved in larger containers. Standard qualitative collection
' methods will take approximately 1 1/2 to 2 hours for a team of three biologists to collect
and Qual4 collection methods will take approximately one hour per site. Field processing
samples in this fashion minimizes laboratory processing.
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Table, 2. Variables, Container Type, Preservation, and Holding Tunes for Water Samples in
Surface- and Ground- Water at The Preserve at Jordan Lake Golf Club.
Variable Container Preservation Holding Analytical Method
Type Time
pH not not applicable not EPA 150.1
applicable applicable
Water Temperature not not applicable not EPA 170.1
applicable applicable
Specific not not applicable not EPA 120.1
Conductance applicable applicable
Dissolved Oxygen not not applicable not EPA 360.1
applicable applicable
Nitrate Nitrogen PG Cool, 4-C 48 h EPA 353.1
Ammonia Nitrogen P,G Cool, 4-C 48 h EPA 350.1, 350.2
Total Nitrogen P,G Cool, 4`®C 7 d APHA 4500 or EPA summation for
Kjeldahl, nitrate, and ammonia
nitrogen
Orthophosphate P,G Cool, 4-C 48 h EPA 365.4, 365.1, 365.2
Phosphorus
Total Phosphorus P.G Cool, 4`® C, 28 d EPA 365.4
H2SO4 to pH <2
Fecal coliform P,G Cool, 4-IvC 6 h Standard Methods 9222
Total Dissolved P,G Cool, 4-C 7 d EPA 160.1
Solids
Chlorophyll a P,G Cool, 4-C; keep filter water Standard Methods 10200
in the dark within 24 h,
and then
store filtrate
in desiccant
in freezer;
28 d once
filtered and
stored in
desiccant
Turbidity P,G Cool, 4-wC 48 h EPA 180.1
Mecoprop G Cool, 4-C 7 d EPA 8150, GC with ECD
Target detection limit= 2.50 O
Chlorpyrifos G Cool, 4-C 7 d extraction: EPA 3510 liquid/liquid
analysis: EPA 8080 GC ECD
Target detection limit= 0.2-glO
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Propiconozole G Cool, 4-C 7 d EPA 8080
Target detection limit= 2- #
From: USEPA, Methods for Chemical Analysis of Water and Wastes, E13A-600/4-79-020, updated 1983.
USEPA, Analytical Support Branch, Operations and Quality Control Manual, June 1985.
USEPA, Test Methods for Evaluating Solid Waste, SW-846, 1986, updated in 1987.
USGS. Laboratory Theory and Methods for Sediment Analysis.
40 CFR Part 136 Table II: Required Containers, Preservation Techniques and Holding Times
(Water/Wastewater Samples), 1988.
note that container yes are `G' for ass and 'P' for plastic.
Table 3. Variables, Container Type, Preservation, and Holding Times for Sediment
Samples at -he Preserve at Jordan Lake Golf Club.
Variable Container 'Preservation` Holding Analytical Method
Type Time
Chlorpyrifos Glass Jar Cool, 4 -wC 14 d extraction: EPA 3510 liquid/liquid
analysis: EPA 8080 GC ECD
Propiconozole Glass Jar Cool, 4 `wC 14 d extraction: EPA 3510 liquid/liquid
anal sis: EPA 8080
Total Phosphorus P,G Cool, 4 `®C 14 d EPA 365.4
From:
USEPA, Methods for Chemical Analysis of Water and Wastes, EPA-600/4-79-020, updated 1983.
USEPA, Analytical Support Branch, Operations and Quality Control Manual, June 1985.
USEPA, Test Methods for Evaluating Solid Waste, S'W-846, 1986, updated in 1987.
USGS. Laboratory Theory and Methods for Sediment Analysis.
40 CFR Part 136 Table II: Required Containers, Preservation Techniques and Holding Times
(Water/Wastewater Samples), 1988.
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2.5. Laboratory Methods. The Laboratory used for sample analysis must retain certification by
the Environmental Protection Agency (EPA) or its designated State Agency to conduct chemical
analysis on surface water and drinking water. Certification of the laboratory is maintained by
successful performance of the EPA Water Pollution Study and EPA Water Supply Study. Sample
analyses will follow accepted, standard methods as defined in the laboratories accreditation and
detailed in their Quality Assurance and Quality Control procedures. Sample containers, properly
cleaned and containing the proper preservative, should be supplied by the analytical laboratory.
In cases where standard methods are not available, the Laboratory will execute method
development and follow closely related standard practices, and demonstrate accuracy and
precision of the method with at least a 5-point standard curve, sample spikes, and duplicate
analyses.
' Macrobenthos sampling will be conducted by a certified laboratory based on a list approved by
NC Division of Water Quality.
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3.0. PHASE II: SURFACE WATER, GROUNDWATER, AND SEDIMENT QUALITY
DURING OPERATIONS
The goal of Phase H is to assess the effect of construction and operational activities on surface
water, groundwater and sediment quality.
3.1. Sample Locations.
Surface Water. Surface water will be sampled at the same locations that are described in
Phase I monitoring program.
Groundwater. Groundwater will be sampled at the same locations that are identified in the
Phase I monitoring program.
Sediment. Pond sediment will be sampled at the same locations that are identified in the
Phase I monitoring program.
The Phase I sediment sampling station will be ponded during construction. Thus, in this
phase of the sampling program the location will be changed from the tributary to the pond
that will be constructed.
Macrobenthos. Macrobenthos sampling will occur at the same locations that are identified
in the Phase I monitoring program
Sample locations will be photographed and marked on maps. Data from this sample
station will allow an assessment of the quality of the sediment in the pond.

3.2. Sample Frequency. The goal of Phase II is to monitor surface water, ground water and
sediment quality during operation of the golf course.
Surface water samples will be collected four times per year. One surface sample
will be taken in the Winter, Spring, Summer, and Autumn. Should water not be
available on a given sample date, two additional attempts will be made to obtain a
sample within the time period.
Groundwater samples will be collected four times per year during Winter, Spring,
Summer, and Autumn.
A sediment sample will be collected one time per year at the time of surface water
sampling in the Spring.
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Macrobenthos sampling will occur one time per year at stations MB-2, MB-3, &
•
' MB-4 and twice a year at station MB-1. Annual sampling will occur during the
winter and biannual sampling during winter and summer.
Water quality sampling will be reduced to Spring and Autumn events after three years of
operation, provided that the no significant detections or changes in water quality have occurred.
The Criteria for Management Response outlines the detections or changes that are significant.
Detections of a pesticide listed in Table 1, will trigger additional analyses as described in Criteria
for Management Response.
' 3.3. Sample Variables. Surface water, groundwater and pond sediments will be analyzed for
the variables listed in Table 1.
3.4. Field Methods. Variables, container type, preservation and holding times for water samples
are given in Table 2, and for sediment samples in Table 3.
Surface Water. Surface water sampling will follow the protocols outlined in Phase I.
,f
Groundwater. Groundwater sampling will follow the protocols outlined in Phase I.
Sediment. Sediment will be collected with a gravity type sediment coring device or by
hand. Sampling will occur at three locations around the edge of the pond (sample points
' will form a triangle around the center of the pond) and will be composited into one sample
in the field. The three samples will be collected from near shore sediments. The
approximate top 10-cm of the sediment will retained and analyzed for the variables listed
' in Table 1.
Macrobenthos. Sampling will follow the protocols outlined in Phase I.
3.5. Laboratory Methods
outlined in Phase I.
I
Laboratories used for sample analysis will follow the protocols
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4.0. DATA REPORTING9 AND RESPONSE CRITERIA
4.1 Data Storage and Reporting
Data generated from this monitoring program will be maintained by the superintendent along with
other course records and data on pesticide and fertilizer use, personnel, and training. The data
from the monitoring report will be available to governmental officials within 20 working days
from the date of sampling.
Monitoring data from field sampling and from laboratory analyses will be entered into a computer
spreadsheet (e.g., QuattroPro, Lotus 1,2,3). Data analyses will be performed with this data set. A
summary of the results of the surface and groundwater and sediment samples, with a list of any
remedial actions that were taken will be kept.
The golf course superintendent will maintain records of cultural activities at the course. Items will
' include application schedules of all pesticides and fertilizers applied to the golf course as outlined
in the Pesticide section of this Plan. Information will include the date of application, rate of
application, product used, and specific location where the material was applied. Scouting records
as part of the IPM program will also be kept.
4.2 Data Analysis

Data generated in the monitoring program will be compared to background concentrations and
State surface water and groundwater standards.
Data will also be compared with State water quality criteria and the USEPA pesticide Health
Advisories Limits (HAL's, given in Table 5) that have been reduced by a factor of 0.5. This is a
very conservative factor given that HALs have a margin of safety of 100 to 1000 already built into
the HAL number. In Phase II , concentrations of water and sediment variables will be compared
with background concentrations to determine changes from background conditions. Soils data
will be compared with known requirements for turfgrass and adjustments in the fertilization rates
will be made.
Protection of aquatic life will be evaluated by comparing measured concentrations against LCso
data (Table 5) that have been reduced by a factor of 10. LCso data exist for most of the
chemicals, and the lowest LCso obtained for the pesticide was divided by a correction factor of 10
to obtain a screening criteria (Suter et al., 1989; Warren-Hicks et al., 1989). This is a
conservative factor in that most measured chronic values would be higher than those estimated
from this factor (Suter et al. 1983).
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4.3 Criteria for Management Response
Non pesticide analytes. If concentrations of non-pesticide variables exceed Applicable
State Water Quality Criteria, or if an increasing trend is observed (a statistically significant
trend), or if measured concentrations of nutrients exceed the standard deviation of
background levels by more than two-times, then the media will be resampled and a review
of management practices, site conditions and weather conditions will be implemented to
' determine reasons for increased concentrations. The immediate action will also include a
reduction in fertilizer use and/or an increased proportion of slow-release fertilizers.
Following the review cited above, these immediate restrictions may be lifted or modified,
as appropriate. Records of all actions taken will be maintained by the superintendent.
Pesticide analytes. If a pesticide listed in Table 1 is detected in samples at concentrations
below a toxicologically significant level as determined by the USEPA Health Advisories
Limits (HAL x 0.5) or by the aquatic toxicity as measured by LC5o x 0. 1, whichever is
lower, the following responses will result:

1. The sample station, from which the exceedance was obtained, will be resampled
and reanalyzed for the pesticide.
2. Further testing will be required for an additional suite of pesticides ('secondary
level'). A list of secondary pesticides is given is Table 4. Pesticides were included
in this second tier based on the results of the Tier 1 analysis.
3. A review of the use, weather conditions after its application, and possible
alternative control measures will be made and a decision made on the continued
use of the specific problem pesticide.
Table 4. ' The 'Second Level' (Tier II) List of Pesticides To Be Analyzed if Routine Analyses
Indicate Concentrations of Pesticides in Samples.
Ground Water Surface Water
chloroneb chloroneb
diclofop-methyl diclofop-methyl
dithiopyr dithiopyr
fonofos fonofos
cyfluthrin cyfluthrin
fenamiphos if used in the last 50
days fenamiphos if used in the last 50 days
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If a pesticide listed in Table 1 is detected in samples at a concentration above a toxicologically
significant level as determined by the USEPA Health Advisories Limits (HAL x 0.5) or by the
aquatic toxicity as measured by LC5o x 0. 1, whichever is lower, the following responses will
result:
1. The pesticide will be immediately removed from the list of recommended
pesticides for use on the golf course, and its use will be terminated.
2. Further testing will be required for an additional suite of pesticides ('secondary
level). A list of secondary pesticides is given is Table 4.
3. The sample station, from which the exceedance was obtained, will be resampled
twice and reanalyzed for the pesticide. Should subsequent resampling and analysis
indicate concentrations below HAUs, the golf course may reinstate the pesticide
on the list of recommended pesticides.
4. If a pesticide listed in Table 1 is detected in samples at a concentration above a
toxicologically significant level as determined by the USEPA Health Advisories
Limit (HAL x 0.5) or by the aquatic toxicity as measured by LC5o x 0. 1, whichever
is lower, water samples from the drinking water wells of the most immediate
property owners downgradient will also be analyzed for the contaminant. Should
the material be detected at a level above that as stated above, The Preserve at
Jordan Lake Golf Club will be responsible for appropriate remediation. This could
include providing bottled drinking water and re-sampling of the wells until the
contaminant level drops or having new wells installed for the property owners.
Criteria for management response are summarized in Table 5.
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Table 5. Response ' Chresholds for Variables at The Preserve at Jordan Lake Golf Club.
Variable Surface Water Ground Water.
pH Outside of 6.5 to 8.5 Outside of 6.5 to 8.5
Nitrate-Nitrogen North Carolina water standard or two
standard deviations above the baseline
mean, whichever is lower; or an
increasing trend (see text). 5 ppm or two standard deviations
above the baseline mean, whichever is
lower; or an increasing trend (see
text).
Total Phosphorus North Carolina water standard or two
standard deviations above the baseline
mean, whichever is lower; or an
increasing trend (see text). North Carolina water or two standard
deviations above the baseline mean,
whichever is lower; or an increasing
trend (see text).
Chloride two standard deviations above the
baseline mean 250 ppm
Total Dissolved Solids 500 ppm NA
Turbidity no increase from baseline NA
Chlorpyrifos LC5o x 0.1 =0.71 ppb LC50 x 0.1 =0.71 ppb
Mecoprop HAL x 0.5= 17.5 ppb HAL x 0.5= 17.5 ppb
Fenamiphos HAL x 0.5 = 1 ppb HAL x 0.5 = 1 ppb
chloroneb HAL x 0.5 = 45 ppb HAL x 0.5 = 45 ppb
diclofop-methyl HAL x 0.5 = 5 ppb HAL x 0.5 = 5 ppb
dithiopyr LC50 x 0-1= 48 ppb LC5o x 0.1 = 48 ppb
fonofos LC50 x 0.1 = 2 ppb LC50 x 0-1= 2 ppb
oyfluthrin LC50 x 0.1 = 0.014 ppb LC50 x 0-1= 0.014 ppb
Note that for non pesticide analytes, if an increasing trend is observed (a statistically significant trend) action
will also be triggered Note that for pesticides, the lower of HAL and L C5o is used as the trigger concentration,
thus malQn this very conservative.

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5.0. FIELD QUALITY CONTROL AND GENERAL WATER AND SEDIMENT
SAMPLING CONSIDERATIONS.

The field quality assurance program is a systematic process which, together with the laboratory
quality assurance programs, ensures a specified degree of confidence in the data collected for an
environmental survey. The field quality assurance program involves a series of steps, procedures
and practices which are described below.
5.1. General Measures.
a. All equipment, apparatus and instruments should be kept clean and in good
working condition.
b. Records should be kept of all repairs to the instruments and apparatus and of any
irregular incidents or experiences which may affect the measures taken.
C. It is essential that standardized and approved methodologies be used by field
personnel.
d. Macrobenthos sampling by the certified laboratory should follow the criteria as
outlined in the NC Division of Water Quality Standard Operating Procedures
manual.
5.2. Prevention of Sample Contamination . The quality of data generated in a laboratory
depends primarily on the integrity of the samples that arrive at the laboratory, Consequently, the
field personnel must take appropriate measures to protect samples from deterioration and
contamination.
a. Field measurements should always be made on a separate sub-sample, which is
then discarded once the measurements have been made. They should never be
made on the same water sample which is returned to the analytical laboratory for
chemical analysis.
b. Sample bottles, new or used, must be cleaned according to recommended
procedures.
C. Only the recommended type of sample bottle for each parameter should be used.
d. Water sample bottles should be employed for water samples only.
e. Recommended preservation methods must be used. All preservatives must be of
an analytical grade.
f. Solvent-rinsed Teflon liners can be used to prevent contamination from the bottle
caps of water samples which are to be analyzed for organic compounds.
g. The inner portion of sample bottles and caps should not be touched with bare
hands, gloves, mitts, etc.
h. Sample bottles must be kept in a clean environment, away from dust, dirt, fumes,
and grime. Vehicle cleanliness is important.
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i. All foreign and especially metal objects must be kept out of contact with acids and
water samples. Petroleum products and exhaust fumes should be kept away from
samples.
j. Specific conductance should never be measured in sample water that was first used
for pH measurements. Potassium chloride diffusing from the pH probe alters the
conductivity of the sample.
k. Samples must never be permitted to stand in the sun; they should be stored in an
ice chest.
1. Samples must be shipped to the laboratory without delay.
M. The sample collector should keep their hands clean and refrain from smoking
while working with water samples.
n. Samplers must wear latex gloves.
5.3. Field Quality Control. Quality control is an essential element of a field quality assurance
program. In addition to standardized field procedures, field quality control requires the
submission of samples to check contamination, sample containers, or any equipment that is used
in sample collection or handling, and to detect other systematic and random errors occurring from
the time of sampling to the time of analysis. Replicate samples must also be collected to check the
reproducibility of the sampling. The timing and the frequency of equipment blanks, duplicate, and
replicate samples are listed in Table 6.
Equipment Blanks. An equipment blank is prepared in the field at the end of each day's
sampling; and one equipment rinsate blank per water medium per day is prepared. An
equipment blank is prepared by filling appropriate sample bottles with rinsate from the
final cleaning of non-dedicated, sample equipment, and transporting them to the laboratory
in the same manner as the water samples for analysis.
Duplicates. Duplicate samples (splits) are obtained by dividing one sample into two sub-
samples. One sample in every ten water samples is split. Splits are done periodically to
obtain the magnitude of errors owing to contamination, random and systematic errors, and
any other variables which are introduced from the time of sampling until the samples arrive
at the laboratory.
Replicates. Two samples are taken simultaneously in a given location. The samples are
taken to measure the cross-sectional variations in the concentration of the parameters of
interest in the system. One water sample per quarter will be replicated.
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Table 6. Number and.;Types of Samples Taken for Field
ualiControl.
Equipment Blank one equipment rinsate blank per
water medium per day
Duplicate one per 10 samples
Replicate one per sample medium per quarter
6.0. REFERENCES
Madhun, Y.A. and V.H. Freed. 1990. Impact of pesticides on the environment. In Pesticide in
the Soil Environment. pp. 429-466. (ed. H.H. Cheng). Soil Science Society of America;'Inc.,
Madison, WI.
Suter G.W. 1989. Ecological end points. PP 1-2 -- 2-28. In W. Warren-flicks, B:R. Parkhurst
and S.S. Baker, (eds) Ecological Assessment of Hazardous Waste Sites: A field and laboratory
reference. EPA/600/3-89.013.
Suter, G.W. 1990. Endpoints for regional ecological risk assessments. Environ. Manag. 14:19-
23.
Suter, G.W. 1993. Ecological risk assessment. Chelsea, MI. Lewis Publishers.
USEPA. 1983. Methods for Chemical Analysis of Water and Wastes, EPA-600/4-79-020.
USEPA. 1985. Analytical Support Branch, Operations and Quality Control Manual.
' USEPA. 1987. Test Methods for Evaluating Solid Waste, SW-846, 1986.
USGS. 1976. Laboratory Theory and Methods for Sediment Analysis.
USEPA. 1993. Guidance Specifying Management Measures For Sources of Nonpoint Pollution
in Coastal Waters. EPA 840-B-92-002. Washington, DC.
Warren-Hicks, W., B.R. Parkhurst and S.S. Baker, (eds). 1989. Ecological Assessment of
Hazardous Waste Sites: A field and laboratory reference. EPA/600/3-89.013
Turf & Environmental Management Associates, Inc
Raleigh, North Carolina

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I Environmental Monitoring Program Page 20
' APPENDIX I

Turf & Environmental Management Associates, Inc
Raleigh, North Carolina

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Sample of Pesticide Use Record
Application Date:
Time of Day:
Operator:
Supervisor:
PEST:
Weather Conditions
Temperature degrees F
Humidity %
Wind Speed MPH'
Wind Direction
Rainfall inches
Soil Moisture
Pesticide I Active Ingredient I' Amount of Formulation I Amount of Water
Adjuvant/Surfactant
Area Treated: > Acres
Amount of Pesticide Used:
Application Equipment: Sprayer
Amount of Formulation
Square Feet
Spreader
Remarks:
1
1
1
1
1
1
1
1
1
1
1
a. Surface Water Field Sampling Sheet
Station Number: Samplers;
Description:
Date of Sampling: Time of Sampling:
Weather:
Field Measurements
Water Temp ('C) ' Air Temp ('C)
pH Specific'Cond (pS)
Depth of Water (m) Depth Sample Taken (m)
Wetted Area (m)Water Flow (m/sec)
Specific Conductance: Meter
Reading in'IKClsoln:
pH meter Model:
Sample Apparatus:
Mode of Trasport:
Shipping Date:
Remarks:
Calibration of Instruments
Calibration Buffers used:
Turf & Environmental Management Associates, Inc
Raleigh, North Carolina
b. Sediment Sampling Sheet
Station Number: Samplers:
Description:
Date of Sampling: Day Month Year
Time of Sampling: Hour Minute
Field` Measurements'
Water Temp ('C) Air Temp ('C)
PH Specific Cond (4S)
Depth of Water at which sample taken (m)
Specific Conductance: Meter
PH Meter Model:
Sample Apparatus:
Calibration of Instruments
Meter _Redina>in KC1 sole:
Calibration buffers used:
Mode of Transport:
Shipping Date:
Remarks:
Turf & Environmental Management Associates, Inc
Raleigh, North Carolina
c. Ground Water Field Sampling Sheet
Well Number: Samplers:
Description:
Weather:
Date of Sampling: Day Month Year
Time of Sampling: Hour Minute
Field Measurements
Water Temp (°C)` Air Temp (°C)
PH Specific Cond (uS)
Depth of Water atwhich sample was taken (m):
Calibration of Instruments
Specific Conductance: Meter Meter Reading in KC '1 soln:
pH Meter Model: Calibration buffers used:
Sample Apparatus:
Mode of Transport:
Shippinc Date
Remarks:
i
Turf & Environmental Management Associates, Inc
Raleigh, North Carolina
d. Soils Field Sampling Sheet
Station Number:
Description:
Weather:
Samplers:
Date of Sampling: Day Month Year
Time of Sampling: Hour Minute
Mode of Transport:
Shipping Date:
Remarks:
Turf & Environmental Management Associates, Inc
Raleigh, North Carolina

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6L
2003 Water Quality Monitoring Report
The Preserve at Jordan Lake
Prepared for:
B1ueGreen Golf
March 31, 2004
Prepared by:
Dr. Charles H. Peacock
Environmental Golf Concepts, Inc.

MAR . 1 2004
Kid,
? i --??rrppqq,, pp??
1 i ?t a 1 a? E y ?.i s? fe d a ®?d tl
2003 Water Quality Monitoring Report
The Preserve at Jordan Lake
Prepared for:
BlueGreen Golf
March 31, 2004
Prepared by:
Dr. Charles H. Peacock
Environmental Golf Concepts, Inc.
Environmental Golf Concepts, Inc.
Golf Course Consultants
Introduction
The Section 401 Water Quality Certification issued on August 9, 2000, by the North Carolina
Division of Water Quality (DWQ) to Bluegreen Corporation (Bluegreen) for the development of
The Preserve at Jordan Lake (the Project) required Bluegreen to implement an environmental
monitoring plan for the Project and to submit an annual monitoring report to DWQ. The
required environmental monitoring plan was prepared for Bluegreen by Turf & Environmental
Management Associates, Inc. This report summarizes the results of the environmental
monitoring program for 2003, which was the first year that Phase II (post-development) of the
monitoring program was implemented. In addition, Appendix A of the report summarizes and
presents data collected in previous years pursuant to Phase I of the environmental monitoring
program..
The required environmental monitoring was performed under the direction of Aqua Tech
Environmental Labs, Inc., Sanford, NC. Portions of the sample analyses were outsourced to
various subcontractors for specific components of the testing.
Data are presented in table format for specific parameters tested. Statistical analysis included
comparisons using standard water quality criteria testing which compared individual values with
the mean plus or minus two standard deviations.
Aquatic macroinvertebrate data were evaluated for EPT taxa and the streams categorized
according to DWQ criteria for flowing streams in the Piedmont as follows:
Metric Range
EPT Taxa Richness >27
21-27
14-21
7-13
0-6
Interpretation
Excellent
Good
Good-Fair
Fair
Poor
Environmental Golf Concepts, Inc.
2009 Longwood Drive
Raleigh, NC 27612
919.846.5634 - voice or fax • 919.906.1324 - cell
Email: [e-mail]
Environmental Golf Concepts, Inc.
Golf Course Consultants
Water Quality Data
Surface water and groundwater quality monitoring data for 2003 are presented in Tables 1 and 2,
respectively. Surface water quality was sampled four times. Fecal coliform concentrations were
low in the Spring, peaked in the Summer and returned to low levels in the Fall with the exception
of the October sampling for the SW1 location. All values were within the mean +/- 2SD range
for each sampling date. Some seasonal variability is to be expected and this was noted. The high
values at SW1 for June and October would indicate that an anaerobic condition may have existed
at this location or that animal droppings may have contributed to the high count. Ortho-P levels
were low ranging from 0.01 to a high of 0.07 mg/l. Turbidity values were low, as were Total
Dissolved Solids (TDS) values, which ranged from 64 to 160 mg/l. Temperatures were
consistent across sample locations showing only temporal variability. pH was more alkaline in
the March samples but all values were within the acceptable mean +/- 2SD range and only
slightly above the recommended range of 6 to 8 and only at the March sample date. Conductivity
was highest for the June readings and lowest for the March sampling. This is probably linked to
the amount of runoff in June compared to March. Chlorophyll values were highest in Mar, but all
values fell within the mean +/- 2SD range and were less than 20 ,ug/1 which is often set as a
eutrophication criteria level. Nitrates and Total P values were also low. No pesticides were
detected in any sample.
Groundwater monitoring data found low levels for TDS for all sample dates with the highest
values found in October and November. pH was within an acceptable range for all dates with
only the MW6 location above 8 and only for the Mar and Jun dates. Conductivity was lowest at
the June sampling and highest at the October date. Conductivity values were lower in November
than October for all locations except MW6 although this value was still within acceptable limits.
Nitrate values were very low with no concentration above 0.25 mg/l. Total P was highly variable
not only among sample locations but among sample dates at the same location. The MW2
November sampling date value was the only one outside the acceptable limit and only by 0.8%.
No pesticides were detected in any sample.
Environmental Golf Concepts, Inc. 2
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919.846.5634 - voice or fax • 919.906.1324 - cell
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Environmental Golf Concepts, Inc.
Golf Course Consultants
Benthic Macroin vertebrate Data
Benthic macroinvertebrates were collected from four streams within the boundary of the Project
on March 25, 2003. Samples were collected using the Ephemeroptera, Plecoptera, and
Trichoptera (EPT) method described in the most recent Standard Operating Procedures from
DWQ. It involves one kick net sample, one sweep net sample, one leaf-pack, and one visual
collection at each location. The final bioclassification for this type of collection is based solely
on the number of EPT taxa in the sample.
The bioclassifications for the streams sampled on March 25, 2003 were "Poor" for all sample
locations with EPT numbers of Creek 1 (4 EPT taxa present), Creek 2 (6 EPT), Creek 3 (2 EPT)
and Creek 4 (6 EPT).However, the streams sampled were so small that state biologists would not
apply a bioclassification to them. DWQ is currently developing criteria to help assess small, first-
order streams such as the ones sampled for the Project (communication between Aqua Tech
personnel and Patricia MacPherson, NCDENR). Moreover, the extreme drought during 2002 is
likely to have had a significant impact on these small streams from a biological perspective. Data
for 2004 will hopefully see a recovery, although only one stream at one sampling date ever had
EPT taxa which categorized it as "Good-Fair."
Macroinvertebrates collected from streams within the Project on March 25, 2003 are identified
below. An "R" means a taxon was rare (1 or 2 collected), C is common (3 to 9), and A is
abundant (10 or more).
Taxon Creek 1 Creek 2 Creek 3 Creek 4
Annelida
Oligochaeta
Branchiobdellida
Branchiobdellidae R R
Haplotaxida
Naididae
Bratislavia unidentata R
Nais elinguis R A C
Pristinella jenkenae R
Arthropoda
Arachnoidea
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919.846.5634 - voice or fax • 919.906.1324 - cell
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Acarina
Hydrachnellidae
Hydracarina R
Crustacea
Amphipoda
Talitridae
Hyalella azteca R C C
Decapoda
Cambaridae
Cambarus spp. R
Isopoda
Asellidae
Caecidotea spp. R C
Insecta
Coleoptera
Dryopidae
Helichus lithophilus R
Dytiscidae
Bidessus spp. R
Ptilodactylidae
Anchytarsus bicolor C
Diptera
Ceratopogonidae
Alluaudomyia spp. R
Chironomidae-Chironominae
Glyptotendipes spp. R R
Polypedilum flavum R
Polypedilum tritum R R R
Chironomidae-Orthocladiinae
Orthocladius robacki C A R
Parametriocnemus spp. R R
Chironomidae-Tanypodinae
Rheopelopia spp. R R R
Tipulidae R
Hexatoma spp. R R
Tipula spp. R
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Ephemeroptera
Baetidae
Baetis punctiventris R
Ephemerellidae
Eurylophella doris R
Heptageniidae
Stenacron interpunctatum R
Stenonema femoratum C
Leptophlebiidae
Paraleptophlebia spp. A R A
Heteroptera
Corixidae
Corixidae R R C R
Plecoptera
Leuctridae
Leutra spp. R
Nemouridae
Amphinemura spp. R C
Perlodidae
Isoperla spp. C
Trichoptera
Hydropsychidae
Cheumatopsyche spp. C C
Diplectrona modesta A C C
Limnephilidae
Ironoquia punctatissima R
Phryganeeidae
Agyrpnia vestita R
Rhyacophilidae
Rhyacophilia glaberrima R
Mollusca
Gastropoda
Basommatophora
Physidae
Physella spp. A
Total Taxa Found 15 19 13 18
Number of EPT Taxa 4 6 2 6
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Raleigh, NC 27612
919.846.5634 - voice or fax • 919.906.1324 - cell
Email: [e-mail]

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APPENDIX A
Phase I of the environmental monitoring plan called for pre-development sampling and
analysis to establish baseline conditions at the Project. Unfortunately, drought conditions in
2001 and 2002 prevented much of the sampling envisioned by the plan. All available Phase I
data is presented in this Appendix.
Surface water quality data from the Fall of 2000 and the Spring of 2001 are presented in
Tables A-1 and A-2, respectively. During the Fall of 2000, dissolved oxygen content exceeded
what is considered a minimum threshold level of 4.5 mg/l for all locations. Turbidity levels were
low and ranged from 2.7 to 9.4 NTU. Temperatures were moderate and averaged -21 C. Water
pH was slightly acidic to near neutral and ranged from 6.4 to 7.4 which is considered within an
acceptable range of 6 to 8. Conductivity was also low and ranged from 100 to 188 ,umhos/cm.
All values fell within statistical standards of mean +/- 2 standard deviations (SD).
In the Spring 2001, dissolved oxygen content was also acceptable ranging from 6.7 to
8.5. Turbidity values varied widely from 12.5 to 410 at sample location SW 1 and 825 at sample
location SW4. All values were within acceptable statistical standards based on the mean +/- 2SD
criteria. Winter rainfall runoff and construction activities may have contributed to the increases
observed for the two sample locations compared to Fall 2000 values. TDS values were also
variable, ranging from 94 to 302. However, values for all locations were within acceptable limits.
Temperature was consistent across all sample locations and pH was within the acceptable range.
Conductivity was still low even with increased turbidity levels at locations SW 1 and SW4.
Nitrates and Total Nitrogen (N) were low with nitrates less than 0.07 mg/1 for all locations. Total
Phosphorus (P) values ranged from 0.09 to 0.94 with the highest values at locations SW1 (0.54
mg/1) and SW4 (0.94 mg/1) which correlates to those locations showing increased turbidity
levels. No pesticides were detected in any of the samples.
Groundwater monitoring data for the Fall of 2001 and the Fall of 2002 are presented in
Tables A-3 and A-4, respectively. TDS values ranged from 190 to 560 mg/l. This is not unusual
since materials dissolved in groundwater will vary from one location to another. All values fell
within the mean +/- 2SD criteria. pH was also highly variable with values ranging from 5.8 to 8.3
There was no correlation with pH and TDS. Conductivity was low with values ranging from 90
to 337 ,umhos/cm. Nitrates were low at all locations with the highest value at MW9 (1.25 mg/1).
Total N was also low with the highest value at MW2 (2.8 mg/1). Similarly Total P was less than
1 mg/1 except for MW6. No pesticides were found in any samples.
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In the Fall of 2002, fecal coliform counts in groundwater varied widely from <2 to 600.
While all values fell within the mean +/- 2SD range, the values for MW 2 of 240 and MW4 of
600 would seem to be extremely high for groundwater samples. Suspended solids were low
ranging from 31 to 165 mg/l. pH was highly variable ranging from 6.0 to 9.4, however, all
values fell within an acceptable range. Conductivity was low ranging from 23 to 65. Nitrate
levels were acceptable ranging from 0.05 to 2.7 mg/l. Total P ranged from 0.06 to 1.41 mg/l.
There was no correlation between Total P levels from the previous sample date. The location
with the highest value for Total P at the Fall 2001 sample date (MW6) with a concentration of 5
mg/1 had an extremely low value of 0.12 mg/l at this sampling. Only the value from MW2 had a
value outside the acceptable range of mean +/- 2SD and it was only 1.4% greater. No pesticides
were detected in any samples.
Benthic Macroinvertebrate Data
Benthic macro invertebrates were collected from three streams within the boundary of the
Project on October 12, 2000. A fourth stream was scheduled to be sampled, but it had obviously
been dry for some time prior to the sampling date. Samples were collected using the EPT
method. The final bioclassification for this type of collection is based solely on the number of
EPT taxa in the sample.
The bioclassifications for the streams sampled on October 12, 2000 were "Fair" for Creeks 1 and
4 where there were 8 and 9 EPT taxa, respectively, and "Poor" for Creek 2 where only 2 EPT's
were present. The streams sampled were so small that state biologists would not apply a
bioclassification to them.
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Macroinvertebrates collected from streams within the Project on October 12, 2000 are identified
below. An "R" means a taxon was rare (1 or 2 collected), C is common (3 to 9), and A is
abundant (10 or more).
Taxon Creek 1 Creek 2 Creek 4
Annelida
Oligochaeta
Branchiobdellida
Branchiobdellidae R
Haplotaxida
Naididae
Nais communis R
Tubificidae
Tubifex tubifex A
Arthropoda
Crustacea
Amphipoda
Talitridae
Hyalella azteca C A C
Decapoda
Carnbaridae R A
Isopoda
Asellidae
Caecidotea spp. A
Insecta
Coleoptera
Dytiscidae
Bidessus spp. C R
Psephenidae
Psephenus herricki A A
Diptera
Chironomidae-Chironominae
Chironomus spp. R
Microtendipes pedellus gp. R
Paratanytarsus spp. R
Paratendipes spp. R
Phaenopsectra spp. R R
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Polypedilum fallax R
Polypedilum flavum R R
Polypedilum illinoense C
Chironomidae-Orthocladiinae
Cricotopus triannulator R
Chironomidae-Tanypodinae
Procladius bellus R
Zavrelimyia spp. R R
Culicidae
Aedes spp. R
Anopheles sp. R
Tipulidae R
Pseudolimnophila spp. R
Tipula spp. R
Ephemeroptera
Baetidae
Baetis intercalaris C
Baetis spp. R
Centroptilum spp. A
Caenidae
Caenis spp. C A
Heptageniidae
Heptagenia marginalia R C
Stenacron interpunctatum C
Stenonema femoratum C A A
Leptophlebiidae
Paraleptophlebia spp. C
Hemiptera
Saldidae R R R
Heteroptera
Corixidae A
Megaloptera
Corydalidae
Nigronia serricornis R
Sialidae
Sialis spp. R C
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Odonata-Anisoptera
Aeshnidae
Aeshna umbrosa R
Boyeria vinosa R
Corduliidae
Neurocordulia obsoleta C
Gomphidae
Stylogomphus albistylus R
Odonata-Zygoptera
Calopterygidae
Calopteryx dimidiata R
Calopteryx maculata R
Coenagrionidae
Argia spp. C
Plecoptera
Perlidae
Eccoptura xanthenes C C
Trichoptera
Hydropsychidae
Hydropsyche slossonae C R
Philopotamidae
Chimarra spp. R A
Polycentropodidae
Polycentropus spp. R
Total Taxa Found 22 19 24
Number of EPT Taxa 8 2 9
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Benthic macroinvertebrates were collected from three streams within the boundary of the Project
on March 15, 2001. A fourth stream location was scheduled, but it was dry in spite of recent rain.
Samples were collected using the EPT method.
The bioclassifications for the streams sampled on March 15, 2001 were "Good-Fair" for Creek 1
(19 EPT taxa present), "Poor" for Creek 2 (4 EPT) and "Fair" for Creek 4 (12 EPT). As
previously noted, the streams sampled were so small that state biologists would not apply a
bioclassification to them.
Macroinvertebrates collected from streams within the Project boundaries on March 15, 2001 are
identified below. An "R" means a taxon was rare (1 or 2 collected), C is common (3 to 9), and A
is abundant (10 or more).
Taxon Creek 1 Creek 2 Creek 4
Annelida
Oligochaeta
Branchiobdellida
Branchiobdellidae C
Haplotaxida
Naididae
Pristina breviseta R
Arthropoda
Crustacea
Amphipoda
Gammaridae
Gammarus spp. R C
Talitridae
Hyalella azteca C A
Decapoda
Carnbaridae R C C
Isopoda
Asellidae
Caecidotea spp. A
Insecta
Coleoptera
Curculionidae
Rhinoncus longulus R
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Dryopidae
Helichus lithophilus R
Dytiscidae
Bidessus spp. R R
Hydrophilidae
Tropisternus spp. R
Psephenidae
Psephenus herricki A
Diptera
Chironomidae-Chironominae
Cryptochironmus spp. R
Microtendipes pedellus gp. R
Paralauterborniella nigrohalterale R
Polypedilum spp. R
Chironomidae-Orthocladiinae
Cricotopus tremulus R
Heterotrissocladius spp. R
Parametriocnemus spp. R C
Chironomidae-Tanypodinae
Rheopelopia spp. R
Dixidae
Dixella spp. C R
Simuliidae
Prosimulium spp. R
Simulium spp. R
Tipulidae R
Hexatoma spp. C
Tipula spp. C C
Ephemeroptera
Baetidae
Acentrella spp. R
Acerpenna pygmaeus R
Baetis intercalaris R R
Centroptilum spp. A
Caenidae
Caenis spp. C
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Ephemerellidae
Ephemerella hispida R
Timpanoga simplex C
Heptageniidae
Stenacron interpunctatum C
Stenonema femoratum R C
Stenonema modestum C
Leptophlebiidae
Leptophlebia spp. A
Paraleptophlebia spp. R A
Oligoneuriidae
Isonychia spp. C
Siphlonuridae
Ameletus lineatus R C
Megaloptera
Corydalidae
Nigronia fasciatus R
Nigronia serricornis R
Odonata-Anisoptera
Aeshnidae
Boyeria spp. R
Cordulegastridae
Cordulegaster maculata R
Corduliidae
Neurocordulia spp. R
Gomphidae
Lanthus vernalis R
Stylogomphus albistylus R
Odonata-Zygoptera
Calopterygidae
Calopteryx maculata R
Plecoptera
Nemouridae
Amphinemura spp. C C
Perlidae
Eccoptura xanthenes C
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Perlodidae
Isoperla spp. C
Trichoptera
Hydropsychidae
Diplectrona modesta A C
Hydropsyche betteni R
Lepidostomatidae
Lepidostoma spp. A
Limnephilidae
Ironoquia spp. A
Pycnopsyche spp. R C
Philopotamidae
Chimarra spp. R R
Polycentropodidae
Polycentropus spp. R R
Uenoidae
Neophylax ornatus R R
Total Taxa Found 35 16 25
Number of EPT Taxa 19 4 12
Table A-1. Surface water quality monitoring data for The Preserve at Jordan Lake, Fall 2000
2000 data DO mg/I Turbidity NTU Temperature C pH Conductivity umhos/cm
Location Oct Oct Oct Oct Oct
SW 1 8.8 2.74 21.1 6.4 173
SW2 4.6 9.4 20.7 7.2 100
SW3 8.6 7.6 20.8 7.4 188
SW4 8.6 5 20.8 7.2 188
Mean 7.7 6.19 20.9 7.1 162
SD 2.0 2.9 0.17 0.44 42
2SD 4.1 5.8 0.35 0.89 84.2
Mean - 2SD 3.6 0.3 20.5 6.2 78.1
Mean + 2SD 11.7 12.0 21.2 7.9 246.4
SD = standard deviation
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Table A-2. Surface water ualit moni toring data for The Preserve at Jordan Lake, Spring 2001
2001 data DO mg/1 CI mg/1 Ortho-P mg/1 Turbidity NTU TDS mg/1 Temperature C pH Conductivity urnhos/cm
Location Mar Mar Mar Mar Mar Mar Mar Mar
SW1 8.5 13 nd 410 141 10.9 7.4 108
SW2 7.7 18 nd 27.4 94 10.5 6.9 83
SW3 nd nd nd nd nd nd nd nd
SW4 6.7 9 nd 825 302 10.5 6.9 55
SW5 7.9 11 nd 12.5 110 10.6 7.4 122
Mean 7.7 12.8 318.7 161.8 10.6 7.2 92
SD 0.75 3.9 384.4 95.5 0.2 0.3 29
2SD 1.50 7.7 768.8 191.0 0.4 0.6 59
Mean - 2SD 6.20 5.03 -450.07 -29.28 10.25 6.57 33.05
Mean + 2SD 9.20 20.5 1087.5 352.8 11.0 7.7 151
SD = standard deviation
Table A-2. Surface water quality monitoring data for T he Preserve at Jordan Lake, Spring 2001
Chlorophyll a ug/I N03+NO2 mg/I Total N mg/1 Total P mg/I Chlorpyrifos ug/I Mecoprop ug/I Propiconazole ug/1
Mar Mar Mar Mar Mar Mar Mar
nd 0.05 0.5 0.54 bdl bdl bdl
nd 0.05 0.5 0.09 bdl bdl bdl
nd nd nd nd nd nd nd
nd 0.07 1.18 0.94 bdl bdl bdl
nd 0.05 0.5 0.13 bdl bdl bdl
nd = no data 0.055 0.67 0.425 bdl = below detection limit
0.01 0.34 0.40
0.02 0.68 0.80
0.04 -0.01 -0.37
0.08 1.35 1.22

Note: Note: Note:
detection detection detection
limit = limit = limit=
0.25 0.25 0.25
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Table A-3. Groundwater q ualit monitoring data for The Preserve at Jordan Lake, Fall 2001
2001 data TDS m g/1 Temperature C H Conductivity umhos/cm CI m g/1 N03+NO2 m /l Total N m g/1 Total P mg/1
Location Oct Oct Oct Oct Oct Oct Oct Oct
MW2 190 17.7 6.3 254 33 0.09 2.8 0.26
MW3 560 18 5.8 90 17 0.19 0.89 0.65
MW4 nd nd nd nd nd nd nd nd
MW5 nd nd nd nd nd nd nd nd
MW6 192 18.3 6.7 165 14 0.16 0.5 5
M W 7 224 16.8 7.5 251 16 0.1 0.5 0.04
MW8 424 16 8.3 337 43 0.06 0.67 0.18
MW9 190 16.5 6.8 202 11 1.25 0.5 0.53
Mean 297 17.2 6.9 239 21 0.31 0.98 1.11
SD 158 0.9 0.9 74 15 0.46 0.91 1.92
2xSD 316 1.8 1.8 149 30 0.93 1.81 3.84
Mean - 2xSD -19 15 5 90 -9 -0.62 -0.84 -2.73
Mean + 2xSD 612 19.0 8.7 387 51 1.24 2.79 4.95
SD = standard deviation
Table A-4. Groundwater q uality monitoring data for The Preserve at Jordan Lake, Fall 2002.
2002 data Fecal coliforms CFU/100 ml Suspended Solids mg/I TDS mg/I Temperature C pH
Location Se Sep Se Sep Sep
MW2 240 165 nd 22.2 6
MW3 nd nd nd nd nd
MW4 600 51 nd 20 6.1
MW5 nd nd nd nd nd
MW6 8 77 nd 19.6 7.7
MW7 <2 31 nd 23.5 9.4
MW8 60 35 nd 23 7
MW9 <2 48 nd 18.4 6.5
Mean 227 68 21.1 7.1
SD 268 50 2.1 1.3
2SD 536 101 4.1 2.6
Mean - 2SD -309 -33 17.0 4.6
Mean + 2SD 763 168 25.2 9.7
SD = standard deviation
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Table A-4. Groundwater quality monitoring data for The Preserve at Jordan Lake, Fall 2002.
Conductivity umhos/cm N03+NO2 mg/I Total P mg/I Chlorpyrifos ug/I Mecoprop ug/I Propiconazole mg/I
Sep Sep Sep Sep Sep Se
23 0.05 1.41 bdl bdl bdl
nd nd nd nd nd nd
31 0.13 0.06 bdl bdl bdl
nd nd nd nd nd nd
58 0.11 0.12 bdl bdl nd
65 0.1 0.06 bdl bdl bdl
63 0.82 0.11 bdl bdl bdl
28 2.7 0.06 bdl bdl bdl
49 0.65 0.30 bdl = below detection limit
18 1.04 0.54
36 2.09 1.09
13 -1.44 -0.78
85 2.74 1.39
Note: Note: Note:

detection detection detection
limit = 0.2 limit = 2 limit = 0.002
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