20000695 Ver 1_COMPLETE FILE_20000525

2
If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act
within 60 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.
Attachment
cc: Corps of Engineers Raleigh Field Office
Winston-Salem DWQ Regional Office
Ron Ferrell; Wetland Restoration Program
File copy
Central Files

Sincerely,
as v'6' 1Kerr T. StevU
NORTH CAROLINA-DIVISON OF WATER QUALITY
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
4 F T • WAA
NC ENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
August 17, 2000
Guilford County
DWQ Project # 000695
APPROVAL of 401 Water Quality Certification and ADDITIONAL CONDITIONS, WRP
Mr. Ade Idowu
Field Services Coordinator
Storm Water Services
City of Greenboro
401 Patton Ave
Greensboro, NC 27406
Dear Mr. Idowu:
You have our approval, in accordance with the attached conditions and those listed below, to place fill material in
495 linear feet of streams for the purpose of eliminating storm safety hazards at Brook Pine in Greensboro in Guilford
County, as you described in your application dated May 22, 2000 with additional information received June 30, 2000.
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 Watershed 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 for a new
certification. 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). For this approval to be
valid, you must follow the conditions listed in the attached certification and any additional conditions listed below.
We understand that you have chosen to contribute to the Wetland Restoration Program in order to compensate for
these impacts to wetlands and/or streams. In accordance with 15A NCAC 2R .0402, this contribution will satisfy our
compensatory mitigation requirements under 15A NCAC 2H .0506(h). According to 15A NCAC 2H .0506(h), feet of
restoration will be required. Until the Wetland Restoration Program receives and clears your check (made payable to:
DENR - Wetland Restoration Program), wetland or stream fill shall not occur. Mr. Ron Ferrell should be contacted at
919-733-5083 ext. 358 if you have any questions concerning the Wetland Restoration Program. You have one month from
the date of this Certification to make this payment.
For accounting purposes, this Certification authorizes the fill of 495 feet of streams, in 030602 river and
subbasin and 495 linear feet of stream restoration are required. Please be aware that the Wetland Restoration
Program (WRP) rules require rounding of acreage amounts to one-quarter acre increments (15A 2R.0503(b)).
Division of Water Quality • Wetlands/401 Unit
1621 Mail Service Center Raleigh NC 27669-1621 Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer • 50% recycled/10% post consumer paper
401 WATER QUALITY CERTIFICATION
SUMMARY OF PERMITTED IMPACTS AND MITIGATION REQUIREMENTS
In accordance with 15A NCAC 2 H .0500, City of Greensboro has permission as outline below for the purpose(s)
of proposed stream culverting at Brook Pine Drive project. All activities associated with these authorized impacts must be
conducted with the conditions listed in the attached cetification transmitttal letter. THIS CERTIFICATION IS NOT
VALID WITHOUT THE ATTACHMENTS.
COMPENSATORY MITIGATION REQUIREMENT WETLAND RESTORATION PROGRAM
LOCATION
COUNTY:
BASIN/SUBBASIN
UT to South Buffalo Creek
Guilford
030602
As required by 15A NCAC 2H .0506, and the conditions of this certification, you are required to compensate for
the above impacts through the restoration, creation, enhancement or preservation of wetlands and surface waters as
outlined below prior to conducting any activities that impact or degrade the waters of the state.
Note: Acreage requirements proposed to be mitigated through the wetland Restoration Programs must be rounded to one-
quarter acre increments according to 15 2r .0503(b)
acres of Class WL wetlands
acres of riparian wetland
acres of non-riparian wetlands
acres of Class SWL wetlands
495 linear feet of stream buffers
(other)
One of the options you have available to satisfy the compensatory mitigation requirements is through the payment
of a fee to the Wetlands Restoration Fund per NCAC 2R .0503. If you choose this option, please sign this form and mail it
to the Wetlands Restoration Fund at the address listed below. An invoice for the appropriate amount of payment will be
sent to you upon receipt of this form. PLEASE NOTE, THE ABOVE IMPACTS ARE NOT AUTHORIZED UNTIL
YOU RECEIVED NOTIFICATION THAT YOUR PAYMENT HAS BEEN PROCESSED BY THE WETLANDS
RESTORATION PROGRAM.
Signature Date
WETLANDS RESTORATION PROGRAM
DIVISON OF WATER QUALITY
1619 Mail Service Center
RALEIGH, N.C. 27669-1619
[phone]
DWQ Project No.: County:
4
Applicant:
Project Name:
Date of Issuance of 401 Water Quality Certification:
Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any
subsequent modifications, the applicant is required to return this certificate to the 401/Wetlands Unit, North Carolina
Division of Water Quality, 1621 Mail Service Center, Raleigh, NC, 27699-1621. This form may be returned to DWQ
by the applicant, the applicant's authorized agent, or the project engineer. It is not necessary to send certificates from
all of these.
Applicant's Certification
I, , hereby state that, to the best of my abilities, due care and diligence was
used in the observation of the construction such that the construction was observed to be built within substantial
compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved plans and specifications,
and other supporting materials.
Signature: Date:
Agent's Certification
I, , hereby state that, to the best of my abilities, due care and diligence was
used in the observation of the construction such that the construction was observed to be built within substantial
compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved plans and specifications,
and other supporting materials.
Signature: Date:
Engineer's Certification
Partial Final
I, , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project,for the
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the
construction such that the construction was observed to be built within substantial compliance and intent of the 401
Water Quality Certification and Buffer Rules, the approved plans and specifications, and other supporting materials.
Signature Registration No.
Date
Wetl,ands Tracking

Facility Name Villari County Guilford
Project Number 00 0695 County2
0Inactive Region Winston-Salem
Project Type purpose of stream culverting I DCM Office
Location South Buffalo Creek I COE Office Raleigh
Last
401s Recvd Sent to Recvd Action
Recvd From Date Region Region Date Last Action
APP 55/25/2000 5/26/2000'
Total Total Total Mit
401 401 Acres
Acres Feet
Total
Mit
Feet
oject:
990.00 401
401
1 990.
Inspections/ Violations
Inspection Date Inspector Compliant Letter Type Date Sent Reply Date Current St
Inspect.
i
MEMORANDUM
TO: John Dorney
Non-Discharge Branch
Regional Contact: Jennifer Frye
WQ Supervisor: I arry Coble
Date:
SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS
Facility Name Villari
Project Number 00 0695
Recvd From APP
Received Date 5/25/00 Recvd By Region 6/1/2000
Project Type stream culverting
County Guilford
County2
Region Winston-Salem
Certificates Stream
Permit Wetland Wetland Wetland Stream Class Acres Feet
Type Type Impact Score Index Prim. supp. Basin Req. Req.
26 Stream O OO N ? 16-11-14-2 I u SW 30,60?. 493.00
Mitigation Wetland
MitgationType Type Acres Feet
Stream WRP F__ I ' 990.00
Is Wetland Rating Sheet Attached? O Y (ON Did you request more info? O Y ON
Have Project Changes/Conditions Been Discussed With Applicant?Q Y O N
Is Mitigation required? 0 Y O N Recommendation: Q Issue O Issue/fond O Deny
Provided by Region: Latitude (ddmmss) 360036 Longitude (ddmmss) 794749
Comments:
ON Hni n 1 FTTFR SENT ON JUNE 9, 2000
RESPONSE RECEIVED ON JUNE 30, 2000
The WSRO recommends that this WO certification he issued with the condition that their payment
into WRP is approved
cc: Regional Office
Central Office Page Number 1
08/15/00
??
NCDENR
14:42 ENVIRONMENTAL SERVICES 4

91919739959
M NORTH
ENVIRONMENT
l
r
NO. 008 901
CARQLINA DEPARTMENT OF
AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
wo $0 ntno wig
July 11, 2000
JA6460 a. HUNT JR. I Mr. Roger Weadon 1
GOVERNOR City of Greensboro
Storm Water Services
Post Office Box 3136
GILL HOLUAN Greensboro, North Carolina 27402-3136
S6CRCTARY
Dear Mr. Weadon
KeRR, Y
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PO -it' Fax Note 7671 Dale "pa°ges?
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Subject: Project ?ame:
County:i
The purpose of this letter is to notify
Restoration Program (NCWRP) will ae^°?•
with the subject project in accordance with t
between the North Carolina Department of I
the U.S. Army Corps of Engineers dated No
supplied by you in a letter dated June 14, 20
authorization to impact 1,179 linear feet of s
the subject project. The NCWRP will provi
Water Quality Certification and/or Section 4
stream restoration) for impacts associated w
03030002 of the Cape Fear River basin.
If you have any questions or need
Crystal Braswell at [phone].
REF/cvb
cc: Rob Riding, Wetlands/401 Unit
John Thomas, USACOE
South Brook/Guilford Hills
Guilford
Iu that the North Carolina Wetlands
'"ant for stream impacts associated
Memorandum of Understanding
Aronment and Natural Resources and
mber 4, 1998. Based on information
, an application requesting
am channel has been submitted for
mitigation as specified in the 401
permit (up to 2,358 linear feet of
the subject project in Cataloging Unit
information, please contact
Sincerely,
Ronald E. Ferrell,
Program Manager
Wetlands Restoration Program

WETLANO9 RBATORATION PROGRAM
1619 MAIL 9[RV$Ca CtNYCR. NALlIGH. NC Z9809611)"
webalta:fi o.ancstata.m.us PHONE Oti-739-9x09 IAX 4/®•733.9321
AN EQUAL. OPPORTYNITT / Ai•rRNAT/VE AC7 N 1C.-IlA - 60% RECVC4.C01145 , IIOiT-CQN5U0M4!R PAPOR
D:
CERTIFIED MAIL: 7099 3220 0006 8505 7579
RETURN RECEIPT REQUESTED
June 9, 2000
Mr. Scott Bryant
City of Greensboro Stormwater Services
401 Patton Avenue
Greensboro, NC 27406
SUBJECT: Request for Additional Information
South Brook: Storm Sewer Extension
DWQ Project 00 0695
Guilford County
Dear Mr. Bryant:
The Division of Water Quality has reviewed your plans to culvert 495 linear
feet of an unnamed tributary to South Buffalo Creek in Guilford County.
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 notifying the U. S. Army Corps of
Engineers (by copy of this letter) of our request for additional information.
As you know, the project will require compensatory mitigation as described
in 15A NCAC 211.0506(h). Please examine the possibilities of local (off-
site) mitigation and provide any supporting documentation. If a viable
site is located, please provide the detailed mitigation plan for construction,
restoration, and monitoring, as outlined in Compensatory Wetland
Mitigation Guidelines, NCDENR-DWQ. If payment into the Wetlands
Restoration Program is determined to be your final and only option, please
submit written verification from Mr. Ron Ferrell that WRP will accept your
payment.
Please respond within three weeks of the date of this letter by sending
one copy of this information to me and one copy to John R. Dorney, 4401
Reedy Creek Road, Raleigh, NC 27607. 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. If you have any questions regarding this matter,
please contact Mrs. Jennifer Frye or myself at [phone].

South Brook: Storm Sewer Extension
Page 2
Sincerely,
Larry. D. Coble
WQ Regional Supervisor
cc: Raleigh Field Office, US Army Corps of Engineers
Wilmington Office, US Army Corps of Engineers
Wetlands/401 Unit Central Office
Central Files
WSRO
t F
j
. MAY 2 5
a
Mr. John Dorney
Division of Environmental Management
North Carolina Department of Environment, n Q 6, C +
Health, and Natural Resources V
4401 Reedy Creek Road
Raleigh, NC 27607
Re: Storm Sewer Extension at'Brook R Dhwt: Greensboro
Dear Mr. Dorney:
The City of Greensboro would like to notify your office of the proposed project at
South Brook Subdivision Communitv on Brook Pine Drive in Greensboro, North
Carolina. The project's objective is to construct a 495 feet of storm sewer extension
that will impact an open channel drainage system to eliminate safety hazards and to
give the residents full access and use of their property.
Attached are seven copies of the general information (Environmental assessment,
project location, vicinity map and stream condition) regarding the subject sites for
your review and also enclosed is an application fee of $400.00 for both Southbrook
(Brook Pine Drive) and Guilford Hills (Overbrook Drive) subdivision.
Request: Residents request storm sewer extension from City of Greensboro,
Storm Water Services to eliminate safety hazards, to give the residents full access
and use of their property.
Site: Brook Pine Drive, Greensboro, NC
Off South Elm-Eugene Street & West Lakefield Drive
Site Condition: Single Family Residential Community - Identified on USGS
map
Contact:
Mr. Dwayne Suffern
102 Brook Pine Drive
Greensboro, NC 27406
Tel. [phone]
STORM WATER SERVICES - CITY OF GREENSBORO - PO BOX 3136, GREENBBORO, NC 27402-3136 - [phone] - FAX [phone]
-2-
If you have any further questions, please call me at [phone]
Sincerely,
- ---------------
Od?
Ade Idowu
Field Services Coordinator
Storm Water Services
CC: Scott Bryant, PE - City of Greensboro, Storm Water Services
Roger Weadon, PE - City of Greensboro, Storm Water Services
May 22, 2000
Attachment
10
®'306g5
DWQ ID: _ CORPS ACTION ID: 199920006
NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT #) _
PRE-CONSTRUCTION NOTIFICATION APPLICATION
FOR NATIONWIDE PERMITS THAT REQUIRE:
1. NOTIFICATION TO THE CORPS OF ENGINEERS
2. APPLICATION FOR SECTION 401 CERTIFICATION
3. COORDINATION WITH THE NC DIVISION OF COASTAL MANAGEMENT
SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE APPROPRIATE FIELD
OFFICE OF THE CORPS OF ENGINEERS (SEE AGENCY ADDRESSES SHEET). SEVEN (7)
COPIES MUST BE SENT TO THE NC DIVISION OF WATER QUALITY,
ATTN: JOHN DORNEY, 4401 REEDY CREEK ROAD, RALEIGH, NC
27607. PLEASE PRINT OR TYPE.
1. OWNER'S NAME: City of City of Greensboro
2. MAILING ADDRESS: 401 Patton Ave., Greensboro, NC 27406
SUBDIVISION NAME: Southbrook
CITY: Greensboro STATE: NC ZIP CODE: 27406
PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DIFFERENT FROM
MAILING ADDRESS ABOVE):
3. TELEPHONE NUMBER: (HOME) _ (WORK) [phone]
4. IF APPLICABLE: AGENT'S NAME OR RESPONSIBLE CORPORATE OFFICIAL, ADDRESS,
PHONE NUMBER:
Scott Bryant PE City of Greensboro Storm Water Services (Address and phone - same as above)
5. LOCATION OF WORK (PROVIDE A MAP, PREFERABLY A COPY OF USGS TOPOGRAPHIC MAP
OR AERIAL PHOTOGRAPHY WITH SCALE):
COUNTY: Guilford - NEAREST TOWN: Greensboro
SPECIFIC LOCATION (INCLUDE ROAD NUMBERS, LANDMARKS, ECT.) Properties of 100, 102,
104, 106 & 108 Brook Pine Drive.
6. IMPACTED OR NEAREST STREAM/RIVER: Unnamed tributary to South Buffalo Creek RIVER
BASIN: Cape Fear
7. (a) IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDAL SALTWATER, (SA),
HIGH QUALITY WATERS (HQW), OUTSTANDING RESOURCE WATERS (ORW), WATER
SUPPLY (WS-I OR WS-II)? YES ? NO X. IF YES, EXPLAIN: -
(b) IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COASTAL
MANAGEMENT AREA OF ENVIRONMENTAL CONCERN (AEC)? YES ? NO X
(c) 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? N/A
8. (a) HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON THIS
PROJECT? YES X. NO ? IF YES, PROVIDE ACTION I.D. NUMBER OF PREVIOUS PERMIT AND
ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401 CERTIFICATION):
199920006
(b) ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE FUTURE?
YES ? NO X. IF YES, DESCRIBE ANTICIPATED WORK: -
9. (a) ESTIMATED TOTAL NUMBERS OF ACRES IN TRACT OF LAND: Five lots - 1.8 AC Total
(b) ESTIMATED TOTAL NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE:
N/A
10. (a) NUMBER OF ACRES OF WETLANDS IMPACTED BY THE PROPOSED PROJECT BY:
FILLING: N/A EXCAVATION:
FLOODING: OTHER :
DRAINAGE_ TOTAL ACRES TO BE IMPACTED:
(b) (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF RELOCATED,
PROVIDE DISTANCE BOTH BEFORE AND AFTER RELOCATION:
LENGTH BEFORE: 495 FT AFTER:N/A FT
WIDTH BEFORE (based on normal high water contours): 20 FT
AVERAGE DEPTH BEFORE: 5 FT AFTER: N/A FT
(b) (2) STREAM CHANNEL IMPACTS WILL RESULT FROM: (CHECK ALL THAT APPLY)
OPEN CHANNEL RELOCATION: _ PLACEMENT OF PIPE IN CHANNEL: X
CHANNEL EXCAVATION: X_ CONSTRUCTION OF A DAM/FLOODING:
OTHER:
11. IF CONSTRUCTION OF A POND IS PROPOSED, WHAT IS THE SIZE OF THE WATERSHED
DRAINING TO THE POND? N/A WHAT IS THE EXPECTED POND SURFACE AREA?
12. DESCRIPTION OF PROPOSED WORK INCLUDING DISCUSSION OF TYPE OF MECHANICAL
EQUIPMENT TO BE USED? (ATTACH PLANS; 81/2 BY 11 DRAWINGS ONLY)
Extend storm sewer 475 feet and placement of riprap at pipe outlet (along stream bed and side slopes) not to
exceed 20 feet in length. A track hoe will be used to perform work.
13. PURPOSE OF PROPOSED WORK: Eliminate safety hazards associated with the stream - open water,
steep banks and erosion. Also, to give the residents full access and use of their back yards.
14. STATE REASONS WHY IT IS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED OUT IN
WETLANDS (INCLUDE ANY MEASURES TAKEN TO MINIMIZE WETLAND IMPACTS)
N/A
15. YOU ARE REQUIRED TO CONTACT THE US FISH AND WILDLIFE SERVICE AND/OR
NATIONAL MARINE FISHERIES SERVICE REGARDING THE PRESENCE OF ANY FEDERALLY
LISTED OR PROPOSED FOR LISTING ENDANGERED OR THREATENED SPECIES OR CRITICAL
HABITAT IN THE PERMIT AREA THAT MAY BE AFFECTED BY THE PROPOSED PROJECT.
DATE CONTACTED:
16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) REGARDING THE PRESENCE OF HISTORIC PROPERTIES IN THE PERMIT AREA
WHICH MAY BE AFFECTED BY THE PROPOSED PROJECT. DATE CONTACTED _.
17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OT THE USE OF
PUBLIC (STATE) LAND? YES X NO ? (IF NO, GO TO 16)
(a) IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN ENVIRONMENTAL
DOCUMENT PURSUANT TO THE REQUIREMENTS OF THE NORTH CAROLINA
ENVIRONMENTAL POLICY ACT? YES ? NO ?
(b) IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH CAROLINA
DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE YES ? NO ?
IF ANSWER 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM 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 PROPERTY?
(fl IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL?
SIGNED AND DATED AGENT AUTHORIZATION LETTER, IF APPLICABLE.
NOTE: WETLANDS 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
WITH THE NORTH CAROLINA COASTAL MANAGEMENT
0'ExiC2n9MMZ,0QZ)
O R'S/A E 'S SI DATE
(AGENT'S SIGNATURE VALID ONLY
IF AUTHORIZATION LETTER FROM
THE OWNER IS PROVIDED).
Environmental Assessment
for
Proposed Storm Sewer Extension Project
Southbrook Subdivision
Greensboro, NC 27406
prepared for:
401 Certification
NC Division of Water Quality
PO Box 29325
Raleigh, NC 27626-0535
Contact person: Gloria Putnam
Telephone no: 919-733-5083
prepared by:
City of Greensboro
Storm Water Services
401 Patton Avenue
Greensboro, NC 27406
Contact person: Roger Weadon & Ade Idowu
Telephone no: [phone]
May 2000
EA Preparers
This Environmental Assessment was prepared by the City of Greensboro Storm Water
Services Division. Staff members who were involved in the preparation of the EA, their
specific responsibilities, and qualifications are listed below:
Shastri Annambhotla, PhD, PE
Shastri is responsible for overseeing and directing this project. He participated in the
preparation of this document, preliminary design and details, and mitigation plan. He
also coordinated an initial site visit with the US Army Corps of Engineers and NC
Division of Water Quality staff.
Shastri has a B.S. degree in civil engineering and M.S. and Ph.D. He has worked 30
years in the professional field designing and managing water resources and hydraulic
projects. He has worked with the City Storm Water Services for 2.5 years
Jeremy Thomas, El
Jeremy is responsible for preparing the EA document, preliminary design and details,
survey and research of existing conditions, and mitigation plan. He is also responsible
for coordinating with the residents of Brook Pine Drive to discuss their concerns, options,
and the City's plan of action.
Jeremy has a B.S. degree in civil engineering and has worked with the City Storm Water
Services for 1.5 years.
Roger Weadon, PE
Roger assisted in the field survey of the existing channel.
Roger has a B.S. degree in civil engineering. He worked for the NCDOT in the
hydraulics design unit for seven years before coming to the City of Greensboro one
year ago. With Storm Water Services, Roger manages the field services section and
the erosion control section.
Ade Idowu
Ade Idowu is responsible for field services coordination.
Ade has a B.S. degree in construction management and has worked with the City of
Greensboro Storm Water Services for over 5 years.
David Phlegar
David performed the assessment of stream quality.
David has a B.S. degree in Natural Resource Management and worked with the
Mecklenburg County Department of Environmental Protection, Water Quality Section
for 4 years before coming to the City Storm Water Services last year as the monitoring
section coordinator.
Kim Yandora
Kim assisted in the assessment of stream quality.
Kim has a B.S. degree in biology and has worked in the monitoring section of Storm
Water Services conducting wet weather sampling, ambient water quality monitoring,
and biological monitoring.
Peter Schneider
Peter assisted in the assessment of stream quality.
Peter has a B.S. degree in fish and wildlife and has worked with the US Fish and
Wildlife Service, Fish and Wildlife Associates, and with CP&L doing biological
assessments. With the City Storm Water Services, Peter works in the monitoring
section conducting wet weather sampling, ambient water quality monitoring, and
biological monitoring.
2
1.0 Project Description and Location
The City of Greensboro is proposing a storm sewer extension that will impact 495 feet of an
unnamed tributary to South Buffalo Creek. Of the 495 feet, approximately 479 feet of
stream will be enclosed by reinforced concrete pipe and 16 feet will be rip rap outlet
protection (see Exhibit A).
The proposed project is located in the Southbrook subdivision, a single family residential
community located on the southeast side of Greensboro, North Carolina. The proposed
project limits are within the City's drainage maintenance and utility easement on the
properties of 100, 102, 104, 106, and 108 Brook Pine Drive (see Exhibit A).
2.0 Project Need
The purpose of the proposed storm sewer extension is to eliminate safety hazards associated
with the stream and to give the residents full access and use of their property. Due to the
stream's close proximity to homes and children's play areas, there are concerns with the
relatively steep banks, high flow rates during storm events, continual widening of the channel,
and the nuisance of floating debris and pests associated with open channel flow. Because the
stream runs through the middle of the residents' back yards, piping the stream will allow the
residents to gain full use and access to their property and eliminate the safety hazards
associated with the stream.
3.0 Environmental Consequences
3.1 Existing Environment
A perennial stream, which is a tributary to South Buffalo Creek (Class C NSW, overall
rating, "partially supporting"), flows through this subdivision. A portion of the stream
was piped in 1993/1994 during the initial construction of the subdivision, except where
the stream crosses the aforementioned properties.
The length of open stream channel that crosses the properties along Brook Pine Drive is
approximately 500 feet with a drainage area of approximately 50.acres. From the
downstream boundary of the Southbrook subdivision the stream flows approximately 300
feet across private property until it reaches the culvert under Elm-Eugene Street. After
exiting the culvert, the stream flows into a pond on the east side of Elm-Eugene Street.
From the pond the stream flows approximately 1.5 miles before discharging to South
Buffalo Creek.
The open stream section, within the Southbrook appears to have been channelized when
the subdivision was initially constructed. The banks along the stream are fairly stable
and range from approximately 2 feet to 7 feet in height. The vegetation on the stream
banks and floodplain is mainly grass, with minimal canopy cover provided by a couple of
3
small trees along the stream bank. The houses along Brook Pine Drive are located
approximately 30-40 feet away from the open stream channel.
The pre-construction soil type at the project area as indicated by the Guilford County
Soils Survey, is Enon fine sandy loam (10-15% slopes). Due to extensive cut and fill to
create more level land to construct homes, the top layer soil type and the topography in
this area has been altered from the pre-developed condition.
3.2 Existing Permits and Certifications
There were no permits or certifications obtained for the piping and channel modification
of the stream during subdivision construction in 1993/1994. A Nationwide Permit 26
(expires September 15, 1999) was issued to the City for the proposed project on
November 11, 1998.
3.3 Project Impacts
Changes in land use
The proposed sewer extension project will impact 495 feet of stream. The stream will be
excavated, the pipe and junction boxes will be placed and constructed, and then
backfilled. By piping the stream, residents will gain full use of their back yards.
Wetlands
The project area was visited by Mr. John Thomas, US Army Corps of Engineers and Mr.
Eric Galamb, NC Division of Water Quality on August 3, 1998. Mr. Thomas declared
the stream to be jurisdictional. There are no jurisdictional wetlands other than the stream
in the proposed project area. A Nationwide Permit 26 was issued to the City for this
project for proposed impacts to approximately 495 feet (0.11) acre of jurisdictional
waters. The Permit is only valid with the State 401 Certification, and mitigation for the
lost habitat.
Prime or unique agricultural lands
The project is located entirely within the Southbrook subdivision. There are no
agricultural lands in this area.
Public lands
The project will take place on private property within the designated drainage
maintenance and utility easement.
Scenic or recreational areas
There are no scenic or recreational areas located within or near the project area. The
proposed project will provide more usable land for the land owners.
Areas of archeological or historical value
According to the NC Department of Cultural Resources, there are no properties of
architectural, historic, or archaeological significance that would be affected by the
proposed project (see Exhibit B).
4
Air quality
Air quality will not be impacted due to piping of the stream. There will be no emissions
as a result of this project.
Groundwater quality
The stream is a perennial stream, therefore, groundwater maintains the base flow in the
stream during dry conditions. The proposed piping will cause groundwater seep to
surface at the pipe outfall. The piping will cause insignificant change to groundwater
seepage and groundwater quality.
Noise levels
Variation in noise levels will only be experienced during the construction phase of the
project as heavy machinery will be used to excavate, lay pipe, and backfill. The project
will not cause any change in noise levels except during the short construction period.
Water supplies
The project is not located in a designated water-supply watershed. The subdivision
residents are serviced drinking water by the City of Greensboro. The project will not
have any impact on water supplies.
Shellfish or fish and their habitats
Although the stream maintains continual flow, the quality of the stream is considered by
the City to be severely degraded. There is limited aquatic habitat in the stream (a few
tadpoles and one snail were located in the stream) (see Exhibit D for field assessment
worksheet).
Wildlife and their habitats (presence of threatened or endangered species)
There is no evidence of wildlife habitat in the project area. According to NC Natural
Heritage Program there are no records of rare species, high quality natural communities,
state/federal of Significant Natural Heritage Areas at or within a one mile radius of the
proposed project (see Exhibit Q.
Introduction of toxic substance
There will not be any toxic substances introduced to the environment as a result of the
proposed storm sewer extension.
Surface water quality
During construction, erosion protection measures will be implemented to reduce the
amount of sediment transport to receiving surface waters. Immediately after
construction, disturbed areas will be permanently stabilized with grass cover.
There will be no increase in "nutrients" as a result of this project.
Downstream flooding
The piping project will not cause a significant change in downstream flooding amounts
and/or frequency from what already exists. There are no structures immediately
downstream of the proposed project that experience flooding problems.
Stream scour protection
Rip rap outlet protection will be provided at the pipe outfall to protect the stream bottom
and banks from eroding and to provide energy dissipation before the flow enters the
natural stream section. The rip rap outlet protection will be designed and installed
according to the City's Department of Transportation specification (see details in Exhibit
A). According to this design methodology, the size of the rip rap outlet protection is
based on the pipe size.
The rip rap will be embedded in the existing channel and underlain with filter fabric.
This will make the outlet protection more stable (prevent rock from migrating
downstream) and reduce erosion of the stream bed and banks. Class I rip rap will be used
to prevent transport during higher velocity storms.
4.0 Alternative Analysis
The alternative options considered for this project were to (1) relocate the stream channel
further away from the homes along Brook Pine Drive and (2) to maintain the stream channel
in its current location and provide stabilization along the stream banks.
4.1 Relocate the stream channel
One alternative the City considered was to route the stream further away from the Brook
Pine Drive homes. The stream could be shifted approximately 15 feet without affecting
the adjacent properties to the north (which are not in the Southbrook subdivision). This
option would give the residents more use of their back yards, however, the residents
noted that this would not reduce their concern for hazards associated with open channel
flow through their property. Also, a major obstacle to rerouting the stream is that there is
a sanitary sewer line that runs on the north side of the creek between the creek and the
adjacent properties rendering the relocation unfeasible at a reasonable cost.
4.2 Maintain stream channel/provide stabilization
The other alternative considered is to maintain the stream in its current condition and
provide stabilization of sections of the stream where the banks where eroded. This
alternative would prevent further disturbance of the stream. With this option, the City
would offer to partner with the residents to plant trees and other vegetation along the
stream to keep the banks as stable as possible. However, the residents expressed that this
option will not address their concerns (safety hazards and inability to fully use their
properties) and that the only option that would meet their needs would be to pipe the
stream segment.
First, the residents' main concern is the presence of the open flowing water that is present
in their yards and close to their homes. Some of the homes are approximately 30 feet
6
from the top of stream bank. They expressed concern for their children's safety when
they play in their yards. They also note that during storm events the stream exhibits high
water levels and velocity and that the size of the channel cross section has increased
significantly since they bought their homes a couple of years ago. The residents point out
that stabilization of the banks will not relieve their main concern that open channel flow
exists on their property. Also, a safety barrier such as a fence would be unacceptable by
the residents and would not reduce their concern for the safety of their children playing in
their yard.
Secondly, the residents want the stream to be piped to give them more use of their yards.
The lots along Brook Pine Drive are fairly small (quarter acre) and the stream runs
through the middle of their back yard. Although the residents are concerned with the
areas along the stream where the banks are 5-6' high and nearly vertical, options such as
laying back the banks would require the slope to extend to the foundation of the homes
and placing a safety barrier such as a fence would further reduce the use of their yard.
The residents state that they were under the assumption that the City would pipe this
stream when they bought their homes.
Thirdly, the resident's point out that they do not want the dense vegetation associated
with bank stabilization. The City pointed out to the residents that as long as they
continue to mow the stream banks and use herbicides to maintain the vegetation along the
stream banks the banks to continue to deteriorate and erode. The residents stated that
dense vegetation provides a habitat for undesirable wildlife, such as snakes, and traps
floatable litter from upstream properties. They also said with the stream so close to the
homes, the dense vegetation makes their yard unattractive.
For the reasons stated above, the alternatives were not considered feasible for implementation.
5.0 Mitigative Measures
The City of Greensboro will mitigate at a 1:1 ratio for the 684 feet of stream loss due to the
storm sewer extension by paying to the State mitigation bank.
6.0 Conclusions
The proposed storm sewer extension that will impact 495 linear feet of an unnamed tributary
to South Buffalo Creek will not have a significant adverse effect on the quality of the
environment because of the following reasons:
1. The stream is currently a degraded stream (Class C NSW) with very low
aquatic habitat (see appendix D for stream quality assessment data).
2. The stream is not designated by the State as High Quality Waters,
Outstanding Resource Waters, or Water-Supply Waters. The stream is
Nutrient Sensitive Waters, however, the project will not increase nutrient
levels.
7
3. There are no areas of architectural, historic, or archaeological significance
that would be affected by the proposed project, as indicated by the NC
Department of Cultural Resources (reference Exhibit B).
4. There are no rare species, high quality natural communities, state/federal
or Significant Natural Heritage Areas at or within a 1.0 mile radius of the
project, as indicated by the NC Natural Heritage Program (reference
Exhibit Q.
5. Adequate energy dissipation will be provided at the storm sewer outfall to
minimize potential impacts downstream (reference section 3.3 "Stream
Scour Protection", and Exhibit A)
6. The City will mitigate for the loss of stream at a 1:1 ratio by paying to the
mitigation bank.
8
Exhibit A
Project Location
Project Vicinity
Existing Conditions
Proposed Project Schematic
Project Details
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Exhibit B
State Historic Preservation letter
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Apwrvd?
North Carolina Department of Cultural Resources
James B. Hunt Jr., Governor
Betty Ray McCain, Secretary
January 5, 1999
Jeremy R. Thomas
Greensboro Storm Water Services
P.O. Box 3136
Greensboro NC 27402-3136
Re: Storm sewer extension on Brook Pine Drive,
Southbrook Subdivision, Greensboro, Guilford
County, ER 99-7936
Dear Mr. Thomas:
Division of Archives and History
Jeffrey J. Crow, Director
Thank you for your letter of December 11 , 1998, concerning the above project.
We have conducted a review of the project and are aware of no properties of
architectural, historic, or archaeological significance which would be affected by the
project. Therefore, we have no comment on the project as currently proposed.
The above comments are made pursuant to Section 106 of the National Historic
Preservation Act and the Advisory Council on Historic Preservation's Regulations
for Compliance with Section 106 codified at 36 CFR Part 800.
Thank you for your cooperation and consideration. If you have questions
concerning the above comment, please contact Renee Gledhill-Earley, environmental
review coordinator, at 919/733-4763.
Sincerely,
David Brook
Deputy State Historic Preservation Officer
DB:slw

Exhibit C
State Natural Heritage Program letter
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NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF PARKS AND RECREATION
December 21, 1998
T ?
JAMES B. HUNT JR
GOVERNOR
WAYNE MCDEVITT ,
SECRETARY .
DR. PHILIP K. MCKNELLY
DIRECTOR
Mr. Jeremy R. Thomas
City of Greensboro
P.O. Box 3136
Greensboro, NC 27402-3136
SUBJECT: Rare Species, High Quality Natural Communities,
State/Federal Priority Areas, and Significant Natural Heritage
Areas at the Proposed Storm Sewer Extension Project,
Greensboro, Guilford County, N.C.
Dear Mr. Thomas:
The NC Natural Heritage Program does not have records of rare species, high quality
natural communities, state/federal or Significant Natural Heritage Areas (SNHAs) at
or within a 1.0 mile radius of the site for proposed storm sewer extension at Brook
Pine Drive, Greensboro; Guilford County, NC.
Enclosed is a list of rare species known to exist in Guilford County. If habitat for any
of these species exists at the site, they may be present there. In order to be sure that
no rare species exist at the site, a survey might be necessary.
Please do not hesitate to contact me at the address below or call me at (919) 715-
8703 if you have any questions or need further information.
Sincerely,
Susan Reece Giles, Information Specialist
Natural Heritage Program
Enclosure
/SMRG
P.O. BOX 27687, RALEIGH NC 2761 1-7687 PHONE [phone] FAX [phone]
- AN EQUAL OPPORTUNITY / AFFIRMATIVE ACTION EMPLOYER - SO% RECYCLED/10% POST-CONSUMER PAPER
Exhibit D
Stream Characterization/Water Quality Field Data Sheet
Physical Characterization/Water Quality Field Data Sheet
Stream Name uS ?6 Sew ,.?„ Location nt tv?s t
Site ID: Stream Class
Lat. Lone: River Basin
Investigators o, „z P4,1e Ar ,N(, Y„ A Zu, S" r Qate: I a - a- 98 Time: Z'...s n.r
Site Location I Draw a map of the site and indicate the areas sampled.
(fie}
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? 2 - 'i5nvu SNai? a?c„o {?ol¢S ? No R ?wak:c- ? nSxc-?c5 ? No c..i•1Zl:?e.
Weather Conditions:
Now ( Past 24 hours
storm(heavy rain) (?J
steady rain
showers (intermittent)
cloud cover (percent) "/
clear sunny k'
Air Temp. L0 °F
Heavy rain last 7 days' No
Riparian Zone/ Predominant Land use Bank Erosion (looking, downstream)
In-stream -Forest -Commercial Left Right
Features _Aaricultural Residential -Severe -Severe
-Industrial -Park -Heavy -Heavy
Mixed -Other _i?Ioderate Moderate
, Minor X Minor
Local Watershed NPS Pollution None None
,,-No evidence Some
Obvious sources Stream Width- m
- Channel Width M
Canopy Cover: High Water Mark ? .Y m
-Partly open Catf
-Partly shaded Stream Depth
Shaded Riffle m
- Pool Nrea- . m
Channelized XYes No
Velocitv m;'sec
Dam Present
Yes VNo --: ?.
- Manmade Stablization: Y:' N
Flow Conditions: Describe: ` -'
High Medium Low
A
b --- Y
o -c
Michael F. Easley
Governor
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Kerr T. Stevens, Director
Division of Water Quality
RECEIPT
Mr. Ade Idowu
City of Greensboro
Storm Water Services
401 Patton Avenue
Greensboro, North Carolina 27406
Subject: DWQ #: 000695
County: Guilford
COE #: 199920006
March 9, 2001
1 1, ;
R 1 4 201

The Wetlands Restoration Program has received a check in the amount of
$ 61,875.00 check number 008021 as payment for the compensatory mitigation
requirements of the Section 404/401 Water Quality Certification issued for the
subject project. This receipt serves as notification that the compensatory
mitigation requirements for this project have been satisfied. Please note that you
must also comply with all other conditions of this certification and any other state,
federal or local government permits or authorization associated with this activity.
The NCWRP, by acceptance of this payment, acknowledges that the
NCWRP is responsible for the compensatory mitigation requirements associated
with this project and agrees to provide the compensatory mitigation as specified.
As specified, the NCWRP will restore 495 linear feet of stream in subbasin 030602
of the Cape Fear River basin.
If you have any questions concerning this matter, please contact me at
[phone].
Sincerely,
Ronald E. Ferrell,
Program Manager
REF/cvb
cc: Rob Ridings, DWQ
John Thomas, USACOE
file
fiICDENR
Customer Service
Division of Water Quality 1619 Mail Service Center Raleigh, NC 27699-1619
Wetlands Restoration Program [phone] Fax: [phone]
1 800 623-7748