NC0082384_Permit Issuance_20120418

An,
NC6 R
North Carolina Department of Environment and
Division of Water Quality
Beverly Eaves Perdue Charles Wakild, P.E.
Governor Director
April 18, 2012
Mr. Mark Delehant
Public Utilities Director
Stokes County
P.O. Box 20
Danbury, North Carolina 27016
Natural Resources
Dee Freeman
Secretary
Subject: NPDES PERMIT ISSUANCE
Permit Number NCO082384
Danbury W WTP — Grade 2
Stokes County
Dear Mr. Delehant:
Division personnel have reviewed and approved your application for renewal of the subject
permit. Accordingly, we are forwarding the attached final NPDES discharge permit. This permit is
issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the
Memorandum of Agreement between North Carolina and the U.S. Environmental Protection
Agency dated October 15, 2007 (or as subsequently amended).
If any parts, measurement frequencies or sampling requirements contained in this permit are
unacceptable to you, you have the right to an adjudicatory hearing upon written request within
thirty (30) days following receipt of this letter. This request must be in the form of a written
petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the
Office of Administrative Hearings (6714 Mail Service Center, Raleigh, North Carolina 27699-
6714). Unless such demand is made, this permit shall be final and binding.
Please take notice that this permit is not transferable. This permit does not affect the legal
requirements to obtain other permits which may be required by the Division of Water Quality or
permits required by the Division of Land Resources, Coastal Area Management Act, or any other
Federal or Local governmental permits which may be required.
If you have any questions or need additional information, please do not hesitate to contact
Maureen Scardina of my staff at [phone].
A I
Charles Wakild, P.E.
cc: Central Files
NPDES Unit Files,'
Winston-Salem Regional Office
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St Raleigh, North Carolina 27604 ne
Phone:[phone] t FAX: 9IM07-6492 clLlZ'arolina
Internet httpl/portal.nodenrorgAvebAvq/home Nakrally
An Equal Opportunity tAf nwnve Acton Employer

E
Permit NCO082384
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONT MENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
ul i
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended, the
County of Stokes
is hereby authorized to discharge wastewater from a facility located at the
Danbury WWTP
NCSR 1562
Danbury
Stokes County
to receiving waters designated as the Dan River in the Roanoke River Basin in accordance with
effluent limitations, monitoring requirements, and other conditions set forth in Parts I, H, III and IV
hereof.
This permit shall become effective June 1, 2012.
This permit and authorization to discharge shall expire at midnight on February 28, 2017.
Signed this day April 18, 2012.
Ch akild, P.E., Direc
D' 'sion of Water Quality
By Authority of the Environmental Management Commission

Permit NCO082384
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby
revoked, and as of this issuance, any previously issued permit bearing this number is no longer
effective. Therefore, the exclusive authority to operate and discharge from this facility arises under
the permit conditions, requirements, terms, and provisions included herein.
The County of Stokes is hereby authorized to:
1. Continue to operate an existing 0.100 MGD wastewater treatment system with the following
components:
♦ Manual bar screen
♦ Aerated flow equalization chamber with dual pumps
♦ Dual aeration basins with three blowers
♦ Dual hopper bottom clarifiers
♦ Aerobic sludge digester
♦ 3 module ultraviolet disinfection system
♦ flow measurement & recording
The facility is located in Danbury at the Danbury WWTP on NCSR 1652 in Stokes County.
2. Discharge from said treatment works at the location specified on the attached map into the Dan
River, currently classified WS-V waters in sub -basin 03-02-01 of the Roanoke River Basin.

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Facility
Location fi
1,
County of Stokes
Danbury WWTP
County: Stokes Stream Class: WS-V
Receiving Stream: Dan River Sub -Basin: 030201
Latitude: 360 24' 26" Grid/Quad: Danbury
Longitude: 80011,501, HUC: 03010103
(not to scale) 12
NORTH
NPDES Permit: NCO082384

Permit NCO0823 84
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning on June 1, 2012 and lasting until expiration, the Permittee is authorized to
discharge from outfall 001. Such discharges shall be limited and - monitored by the Permittee as
specified below:
EFFLUENT ''
LIMITS
MONITORING QUIRE N
ME '�S
;CHARACTERISTICS
Monthly
Weekly :
Measurement
Sample
Sample
Parameter.CadeAvera
e .:.
:Avers e``.
Frequency.Location
'.- .:'
Flow
50050
0.100 MGD
Continuous
Recording
Influent or Effluent
BOD, 5-day (200C)'
C0310
30.0 mg/L
45.0 mg/L
Weekly
Composite
Influent & Effluent
Total Suspended Solids
C0530
30.0 mg/L
45.0 mg/L
Weekly
Composite
Influent & Effluent
NH3 as N
C0610
Weekly
Composite
Effluent
Fecal Coliform (geometric mean)
31616
200/140 ml
400/100 ml
Weekly
Grab
Effluent
Total Residual Chlorine
50060
Daily Maximum 28 ug/L
2/Week
Grab
Effluent
Temperature (°C)
00010
Daily
Grab
Effluent
Total Nitrogen (NO2+NO3+TKN)
C0600
Quarterly
Composite
Effluent
Total Phosphorus
C0665
Quarterly
Composite
Effluent
PH
Not < 6.0 nor > 9.0
00400
Standard Units
Weekly
Grab
Effluent
Footnotes:
1. The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed
15% of the respective influent value (85% removal).
2. Total Residual Chlorine shall be monitored only if Chlorine is added to the disinfection process.
The Division shall consider all effluent TRC values reported below 50 ,ug/L to be in compliance
with the permit. However, the Permittee shall continue to record and submit all values reported by
a North Carolina certified laboratory (including field certified), even if these values fall below 50
Pg/L.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE AMOUNTS

Winston-Salem Journal
Advertising Affidavit Account Number
5S (�1� �/ 3112- 3376309
f Or, It_ I I I Winston-Salem Journal
C 1 j P.O Box 3159 Date
Winston-Salem, NC 27102 March 03, 2012
NCDENR/DWQ/POINT SOURCE BRANCH
ATTN: DINA SPRINKLE
1617 MAIL SERVICE CENTER
RALEIGH, INC 27699-1617
Date Category Description Ad Size Total Cost
03/03/2012 Legal Notices PUBLIC NOTICE North Carolina Environmental Management C 1 x 39 L 291.00
PUBLIC NOTICE
Media General Operations, Inc.
North Carollm Environmental
Mamgemen Commsion/NP laDES OnN
Publisher of the
1617 Mail Service Center
ttaielyh, NC 2709.1617
Notim of Intent to Issue a
Winston-Salem Journal
NPDES Wastewater Permit
Forsyth County
The North Carolina Environmental Management
Commission proposes to issue a NPDES wastewa-
ter discharge permit to the person(s) listed below.
Before the undersigned, a Notary Public of Forsyth County, North Carolina, duly
Written comments regarding the proposed permit
will be accepted ure arcing,
a 5 after the publish
commissioned, qualified, and authorized b law to administer oaths, y appeared
q Y personally a ared S.
date of this notice. The Director of the NC Division
of Water Quality (DWQ) may hold a public hearing
A. Bmgman, who by being duly sworn deposes and says: that she is the Assistant Controller
should there be a significant degree of Public in-
ea
reque Please mail comments and/or info„nation
of the Winston-Salem Journal, engaged in the publishing of a newspaper known as
requests res
DWQ at the above address. Interested
Winston-Salem Journal, published, issued and entered as second class mail in the City of
persons may visit the DWQ at 512 N. Salisbury
Street, Raleigh, NC to review information on file.
Winston-Salem, in said County and State: that she is authorized to make this affidavit and
tY
Additional information on NPDES permits and this
notice may be found on our website: http://portal.
sworn statement: that the notice or other legal advertisement, a true copy of which is
ncdenr.ory/web/wq/swp/ps/npdes/calendar, or
attached hereto, was published in the Winston-Salem Journal on the following dates:
County of Stokes requested renewal of permit 03/03/2012
NCO082384 for its Danbury WWTP in Stokes
County. This permitted facility discharges treated
wastewater to the Dan River; Roanoke River Basin.
R.H Johnson Construction Company requested re- and that the said newspaper in which such notice, paper document, or legal advertisement
newal of permit NCO079049 for its treatment plant
.off NCSR 1920, north of Winston-Salem; .Forsyth was published was, at the time of each and every such publication, a newspaper meeting all
County. This permitted facility discharges treated
wastewater to Rough Fork; Roanoke River Basin. the requirements and qualifications of Section 1-597 of the General Statutes of North
WSJ: March 3, 2012 Carolina and was a qualified newspaper within the meaning of Section 1-597 of the General
Statutes of North Carolina.
This 3th day of March, 2012
(signature ofArson making afdavil)
Sworn to and subscribed before me, this 3th day of March,
KIMALEY JOHNSON
NOTARY PUBLIC
My Commission expires zy a 0I S FORSYTH COUNTY
STATE OF NORTH CAROQLIKpL
MY COMMISSION EXPIRE6319''
THIS IS NOT A BILL. PLEASE PAY FROM INVOICE. THANK YOU

a�
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue, Governor Charles Wakild, P.E., Director Dee Freeman, Secretary
February 29, 2012
MEMORANDUM
To: Lisa Edwards
NC DENR / DWR / Regional Engineer
Winston-Salem Regional Office
From: Maureen Scardina
Compliance & Expedited Permiting
Subject: Review of Draft NPDES Permit NCO082384
Danbury WWTP
Stokes County
Please indicate below your agency's position or viewpoint on the draft permit and return this form by March 31,
2012. If you have any questions on the draft permit, please contact me at the telephone number or e-mail address
listed at the bottom of this page.
RESPONSE: (Check one)
X Concur with the issuance of this permit provided the facility is operated and maintained properly, the stated effluent
limits are met prior to discharge, and the discharge does not contravene the designated water quality standards.
F-1 Concurs with issuance of the above permit, provided the following conditions are met:
F-1 Opposes the issuance of the above permit, based on reasons stated below, or attached:
Signed 94 , F.E. Date: 2-24-12
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 919 807-6391 (fax) 919 807-6496
VISIT US ON THE INTERNET @ HTTP:I/PORTAL.NCDENR.ORGIWEB/WG Maureen.Scardina@ ncdenr.gov
An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper

FACT SHEET FOR EXPEDITED PERMIT RENEWALS
This form must be completed by Permit Writers for all expedited permits which do not require
full Fact Sheets. Expedited permits are generally simple 100% domestics (e.g., schools, mobile
home parks, etc) that can be administratively renewed with minor changes, but can include
facilities with more complex issues (Special Conditions, 303(d) listed water, toxicity testing,
instream monitoring, compliance concerns).
Basic Information for Expedited Permit Renewals
Permit Writer/Date
Maureen Scardina 2/22/12
Permit Number
NC0082384
Facility Name
Danbury WWTP
Basin Name/Sub-basin number
Roanoke River 03-02-01
Receiving Stream
Dan River
Stream Classification in Permit
WS-V
Does permit need Daily Max NH3 limits?
No
Does permit need TRC limits/language?
Yes No - New language added
Does permit have toxicity testing?
Yes No
Does permit have Special Conditions?
Yes No
Does permit have instream monitoring?
Yes No
Is the stream impaired (on 303(d) list)? For
whatparameter?
Yes No
Any obvious compliance concerns?
No
Any permit mods since lastpermit?
No
Current expiration date
2/29/12
New expiration date
2/28/17
Comments received on Draft Permit?
p
• Parameter codes have been added to Sections A.(1.).
• A Total Residual Chlorine footnote has been updated in Section A.(1.).

STOKES COUNTY PUBLIC WORKS
POST OFFICE BOX 20 • DANBURY, NORTH CAROLINA 27016 • (336) 593-2,811
October 17, 2011
Mrs. Dina Sprinkle
NC DENR / DWQ / Point Source Branch
1617 Mail Service Center
Raleigh, NC 27699-1617
RE: NPDES Permit Renewal Application
Permit # NCO082384
Stokes County / Danbury WWTP
Mrs. Sprinkle:
Stokes County is requesting a renewal of NPDES Permit #NC0082384 for the Stokes /
Danbury WWTP. Please find enclosed three (3) copies of the renewal application and
supporting documents.
If you have any questions, please do not hesitate to contact this office.
Sincerely,
Mark Delehant
Enclosures

RM
DANBURY WWTP
NPDES PERMIT RENEWAL
NCO082384
WWTP Descriution
The sewer treatment facility utilized by the Town of Danbury is owned and operated by
Stokes County. The treatment plant is a package -type, extended aeration facility
consisting of the following components:
• Influent Bar Screen / Flow Control Structure
• 22,500 gal Aerated Equalization Chamber with Dual Pumps
• Dual, 80,750 gal Aeration Basins with Three Blowers
• Dual, 144 sq ft, Hopper Bottom Clarifiers
• 22,500 gal Sludge Holding Basin
• Aerobic Sludge Digester
• 3 Module UV Disinfection System
• Flow Measurement and Recording
• Duplex, Submersible Effluent Pump Station
Treated effluent is discharged to the Dan River under NPDES Permit # NC0082384. The
Dan River is located in the Roanoke River Basin and is classified as WS-V. The
discharge is located in Roanoke River Sub -basin 03-02-01.
Sludge Management
Stokes County does not have a sludge management plan for the Danbury WWTP. Waste
sludge is stored in the Waste Sludge Holding Chamber and disposed of as needed.
Currently, sludge is removed and transported by truck to the Winston Salem WWTP for
processing and disposal. Approximately 31,000 gallons of sludge are transported to the
Winston Salem facility annually.
r"
to •3f--[�
'c' Mark Delehant Date
PdR
MR

-j _I j j _ I I 1 -1 1 I i I I I I 11 1 1
DAN B U RY WWTP
STOKES COUNTY, NORTH CAROLINA
PROCESS SCHEMATIC
RETURN
EQ SLUDGE
INFLUENT FLOW
PUMP STATION CONTROL
CHAMBER
AERATION CLARIFIER
CHAMBER i 1 # 1
W/L = 743.00' W/L = 743.00'
AERATION CLARIFIER
CHAMBER /2 #2
W/L = 743.00' W/L = 743.00'
RETURN
SLUDGE
TO SL UDGE
WASTE SLUDGE
DISPOSAL
HOLDING CHAMBER
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UV
DISINFECTION
WLQ
Q J EFFL DENT
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NOTES
1. MANLPAGTUKER OF U.V. UNIT
TO PROVIDE TROUGH AND
INSTALLATION DETAILS.
2. MANUFACTURER OF U.V. UNIT
TO PROVIDE ONE SPARE MODULE
AND LAIR BANK FOR STORAGE
T/5LIA,5 EL. 736.50736.50
• •14•p•E.W. —
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HOBBS,
UPCHURCH & ASSOCIATES, P.A.
-NOV.N1993
CONSULTING ENGINEERS
SOUTHERN
PINES, NORTH CAROLINA 28387
HCF
STOKES - DANBURY
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WASTEWATER COLLECTION
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AND TREATMENT SYSTEM
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STOKES COUNTY, NORTH CARCUNA
`CINEF-� 5'
TREATMENT PLANT
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SITE LAYOUT
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