NC0075078_Permit Issuance_20131114

Pat McCrory
Governor
A
�Iittn
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Resources
Thomas A. Reeder John E. Skvarla III
Mr. John C. Yates
County Manager
110 North St
Wilkesboro, N.C. 28697
Dear Mr. Yates:
Director
November 14, 2013
Subject: Issuance of NPDES Permit NCO075078
Wilkes County Airport WWTP
Wilkes County
Secretary
Division personnel have reviewed and approved your application for renewal of the subject permit.
Accordingly, we are forwarding the attached 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).
This final permit includes the following major change from the draft permit sent to you
on September 25, 2013.
Section A. (3) has been added to require electronic submission of effluent data. Proposed Federal
regulations require electronic submittal of all discharge monitoring reports (DMRs). The
proposed regulations specify that if a state does not establish a system to receive such
submittals permittees must submit DMRs electronically to the Environmental Protection
Agency (EPA). NC DENR has established an electronic data -submission system. Permittees
must begin using the system no later than 90 days following the issuance of permit renewals. In
your case, that deadline is March 1. 2014.
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
decision shall be final and binding.
Please note that this permit is not transferable except after notice to the Division. The Division may
require modification or revocation and reissuance of the permit. This permit does not affect the legal
requirements to obtain other permits required by Federal, state or local governments. If you have any
questions concerning this permit, please contact Charles Weaver telephone number [phone].
Sinc sly,
r
Thomas A. Reeder
cc: Central Files Winston-Salem Regional Office/Surface Water Protection
NPDES Unit
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 512 North Salisbury Street, Raleigh, North Carolina 27604
Phone: [phone] / FAX [phone] / hfp://podal.ncdenr.org/web/wq
An Equal Opportunity/Affirmative Action Employer- 50% Recycled/1014 Post Consumer Paper

Permit NCO075078
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT .AND NATURAL RESOURCES
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision 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 Wilkes
is hereby authorized to discharge wastewater from a facility located at the
Wilkes County Airport WWI?
640 Wood Wallace Drive
North Wilkesboro
Wilkes County
to receiving waters designated as an unnamed tributary to Rock Creek in subbasin 03-07-01 of the Yadkin -
Pee Dee River Basin in accordance with effluent limitations, monitoring requirements, and other conditions
set forth in Parts I, II, III and IV hereof.
This permit shall become effective December 1, 2013.
This permit and authorization to discharge shall expire at midnight on September 30, 2018.
Signed this day November 14, 20
T%.Pfis A. Reeder, Director
ivision of Water Resources
By Authority of the Environmental Management Commission
1 of 5

Permit NCO075078
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby revoked. As of this
permit 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 Wilkes is hereby authorized to:
1. Continue to operate an existing 0.0075 MGD activated -sludge wastewater treatment
system with the following components:
♦ 21500-gallon surge tank with pump
♦ 5,000-gallon aeration basin [extended aeration]
♦ Mechanically -cleaned clarifier
♦ Tablet chlorine disinfection
♦ Tablet dechlorination
♦ 2,500-gallon aerated sludge digester
♦ Flow meter box
The system is located at the Wilkes County Airport WWTP, north of North Wilkesboro
off Wood Wallace Drive in Wilkes County.
2. Discharge from said treatment works at the locations specified on the attached map into
an unnamed tributary to Rock Creek, currently a class C stream in subbasin 03-07-01 of
the Yadkin -Pee Dee River Basin.
2 of 5

Permit NCO075078
Part I
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning on the permit effective date 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:
PARAMETER
LIMITS
MONITORING REQUIREMENTS
[PCS Code]
Monthly
Daily
Measurement
Sample Type
Sample Location
Average
Maximum
Frequency
Flow
50050
0.0075 MGD
Weekly
Instantaneous
Influent or Effluent
BOD, 5-day (20°C)
[003101
30.0 mg/L
45.0 mg/L
Weekly
Grab
Effluent
Total Suspended Solids
30.0 mg/L
45.0 mg/L
Weekly
Grab
Effluent
00530
NH3 as N [00610]
(April 1- October 31
6.0 mg/L
30.0 mg/L
Weekly
Grab
Effluent
NH3 as N (00610]
November 1— March 31
22.2 mg/L
35.0 mg/L
Weekly
Grab
Effluent
Fecal Coliform [31616]
200/100 ml
400/100 ml
Weekly
Grab
Effluent
eometric mean
Total Residual Chlorine (TRC)2
50060
28 Ng/L
2/Week
Grab
Effluent
Temperature
Daily
Grab
Effluent
00010
Total Nitrogen [00600]
Quarterly
Grab
Effluent
NO2+NO3+TKN
Total Phosphorus
Quarterly
Grab
Effluent
00665
pH
00400
> 6.0 and < 9.0 standard units
— —
Weekly
Grab
Effluent
Footnotes:
1. No later than March 1, 2014 the permittee shall begin submitting discharge monitoring reports electronically
using the Division's eDMR application system [see A. (4)].
2. The Permittee shall report all effluent TRC values reported by a NC -certified laboratory [mduding field -certified].
Effluent values < 50 µg/L will be treated as zero for compliance purposes.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
A. (2) NUTRIENT REOPENER FOR HIGH ROCK LAKE
This permit may be reopened and modified to implement nutrient requirements in accordance with any
future TMDL and / or nutrient management strategy for High Rock Lake.
3 of 5

Permit NCO075078
A. (3) ELECTRONIC REPORTING OF DISCHARGE MONITORING REPORTS
Proposed federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and
specify that, if a state does not establish a system to receive such submittals, then permittees must submit
DMRs electronically to the Environmental Protection Agency (EPA). The Division anticipates that these
regulations will be adopted and is beginning implementation in late 2013.
NOTE: This special condition supplements or supersedes the following sections within Part II of this
permit (Standard Conditions for.NPDES Permits):
• Section B. (11)
• Section D. (2)
• Section D. (6)
• Section E. (5.)
Signatory Requirements
Reporting
Records Retention
Monitoring Reports
1. Repogf= [Supersedes Section D. (2.) and Section E. (5.)(a)
Beginning no later than Match 1, 2014, the permittee shall begin reporting discharge monitoring data
electronically using the NC DWR's Electronic Discharge Monitoring Report (eDMR) internet
application.
Monitoring results obtained during the previous month(s) shall be summarized for each month and
submitted electronically using eDMR. The eDMR system allows permitted facilities to enter monitoring
data and submit DMRs electronically using the internet. Until, such time that the state's eDMR
application is compliant with EPA's Cross -Media Electronic Reporting Regulation (CROMERR),
permittees will be required to submit all discharge monitoring data to the state electronically using
eDMR and will be required to complete the eDMR submission by printing, signing, and submitting one
signed original and a copy of the computer printed eDMR to the following address:
NC DENR / Division of Water Resources / Information Processing Unit
ATTENTION: Central Files
1617 Mail Service Center
Raleigh, NC 276994 617
If a permittee is unable to use the eDMR system due to a demonstrated hardship or due to the facility
being physically located in an area where less than 10 percent of the households have broadband access,
then a temporary waiver from the NPDES electronic reporting requirements may be granted and
discharge monitoring data may be submitted on paper DMR forms (MR 1, 1. 1, 2, 3) or alternative forms
approved by the Director. Duplicate signed copies shall be submitted to the mailing address above.
Requests for temporary waivers from the NPDES electronic reporting requirements must be submitted
in writing to the Division for written approval no later than Februagy 1, 2014 (sixty (60) days prior to
the date the facility would be required under this permit to begin using eDMR). Temporary waivers
shall be valid for twelve (12) months and shall thereupon expire. At such time, DMRs shall be
submitted electronically to the Division unless the permittee re -applies for and is granted a new
temporary waiver by the Division.
4of5

Permit NC0075078
Information on eDMR and application for a temporary waiver from the NPDES electronic reporting
requirements is found on the following web page:
httn://12ortal.ncdenr.org/web/wci/­admin/bog/­ipu/­edmr
Regardless of the submission method, the first DMR is due on the last day of the month following the
issuance of the permit or in the case of a new facility, on the last day of the month following the
commencement of discharge.
2. Signatory Requirements [Supplements Section B. (11;) (b) and supersedes Section B. (11.) (d)]
All eDMRs submitted to the permit issuing authority shall be signed by a person described in Part II,
Section B. (11)(a) or by a duly authorized representative of that person as described in Part II, Section
B. (11)(b). A person, and not a position, must be delegated signatory authority for eDMR reporting
purposes.
For eDMR submissions, the person signing and submitting the DMR must obtain an eDMR user
account and login credentials to access the eDMR system. For more information on North Carolina's
eDMR system, registering for eDMR and obtaining an eDMR user account, please visit the following
web page:
htM://Vortal.ncdent.org/web/wg/adn-iin/bog/ipu/`edmt
Certification. Any person submitting an electronic DMR using the state's eDMR system shall make the
following certification [40 CFR 122.22]. NO OTHER STATEMENTS OF CERTIFICATION WILL
BE ACCEPTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in
accordance wth a system designed to assure that qual ed personnel properly gather and evaluate the information
submitted. Based on my inquiry of theperson orpersons who manage the system, or those persons directly responsible for
gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and
complete. I am aware that them are signicant penalties for submitting false information, including the possibility of Ernes
and imprisonment for knowing violations "
3. Records Retention [Supplements Section D. (6.)
The permittee shall retain records of all Discharge Monitoring Reports, including eDMR submissions.
These records or copies shall be maintained for a period of at least 3 years from the date of the report.
This period may be extended by request of the Director at any time [40 CFR 122.41].
5 of 5

Quad: Roaring River, N.C. N C n 0 7 5 0 7 8
Facility,J., {:'O ig
Subbasin: 30701
Location Wig: "'
Latitude: 36o 13 31 Wilkes County Airport WWTP
Longitude: 81006'18"
Receiving Stream: UT Rock Creel:
TNorth
SCALE 1:24000
Stream Class: C

NORTH CAROLINA
FORSYTH COUNTY
cjmdf r
AFFIDAVIT OF PUBLICATION
Before the undersigned, a Notary Public of said County and State, duly
commissioned, qualified, and authorized by law to administer oaths, personally
appeared D.H. Stanfield, who being duly sworn, deposes and says: that he is
Controller of the Winston-Salem Journal, engaged in the publishing of a
newspaper known as the Winston-Salem Journal, published, issued and
entered as second class mail in the City of Winston-Salem, in said County and
State: that he is authorized to make this affidavit and sworn statement: that the
notice or other legal advertisement, a true copy of which is attached hereto,
was published in the Winston-Salem Journal on the following dates:
September 27, 2013
and that the said newspaper in which such notice, paper document, or legal
advertisement was published was, at the time of each and every such
publication, a newspaper meeting all the requirements and qualifications of
Section 1-597 of the General Statutes of North Carolina and was a qualified
newspaper within the meaning of Section 1-597 of the General Statutes of
North Carolina.
This 27th day of September, 2013 L`
(signature ofper o)naking affidavit)
Sworn to and subscribed before me, this 27th day of September, 2013
Nota Ablic
My Commission expires: September 28, 2015
KIMALEY JOHNSON
NOTARY PUBLIC
FORSYTH COUNTY
MY COMMISSION EXPIRESTATE OF NORTH R -INA S
OCT 32013
PUBLIC NOTICE
North Carolina Environmental
Management Commission/NPDES Unit
1617 Mail Service Center
NRaeigh NC 27699.1617
Tdce o{ Intent to Issue a
NPDES Wastewater Permit
WSJ: September Z7, 2013

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
Charles H. Weaver 9/20/2013
Permit Number
NCO075078
Facility Name
Wilkes County Airport WWTP
Facility Classification
WW-2
Basin Name/Sub-basin number
03-07-01
Receiving Stream
UT Rock Creek
Stream Classification in Permit
C
Does permit need Daily Max NH3 limits?
No — already resent
Does permit need TRC limits/language?
No — already resent
Does permit have toxicity testing?
No
Does permit have Special Conditions?
No
Does permit have instream monitoring?
No
Is the stream impaired (on 303(d) list)?
For whatparameter?
No
Any obvious compliance concerns?
None. No enforcements since 2008.
Any permit modifications since lastpermit?
None.
New expiration date
9/30/2018
Comments on Draft Permit
Added parameter codes.
Added High Rock reo ever condition.
Most Commonly Used Expedited Language:
• 303(d) language for Draft/Final Cover Letters: "Please note that the receiving stream
is listed as an impaired waterbody on the North Carolina 303(d) Impaired Waters List.
Addressing impaired waters is a high priority with the Division, and instream data will
continue to be evaluated. if there is noncompliance with permitted effluent limits and
stream impairment can be attributed to your facility, then mitigative measures may be
required".
TRC language for Compliance Level for Cover Letters/Effluent Sheet Footnote:
"The facility shall report all effluent TRC values reported by a NC certified laboratory
including field certified. However, effluent values < 50 µg/l will be treated as zero for
compliance purposes."

JOHN
County YATES COUNTY OF WILKES G.KChairmELMORE
n
County Manager Chairman
ANTHONY R. TRIPLETT
County Attorney
JUDYA. SNYDER
County Clerk
WILKES COUNTY OFFICE BUILDING
WILKESBORO,
NORTH CAROLINA28697-2427
[phone]
FAX [phone]
March 21, 2013
Mr. Charles H. Weaver
NC DENR/DWQ/NPDES Unit
1617 Mail Services Center
Raleigh, NC 27699-1617
RE: NPDES Permit (NC0075078) Renewal
Dear Mr. Weaver:
GARY D. BLEVINS.
Vice Chairman
GARY L. BLEVINS
DAVID. D GAMBILL, JR.
EDDIE D. SETTLE
COPY
I am writing this letter to request that the NC DENR/DWQ/NPDES Unit review
the Wilkes County Airport's WWTP located at 640 Wood Wallace, North Wilkesboro
discharge permit. Enclosed you will find the completed NPDES application form and
other required documents.
If you have any questions about this matter, contact the airport's WWTP staff at
336-696-2000 and speak to Jimmy Martin (ORC) or David Prevette (Back-up ORC).
Sincerely,
0, q##
John C. Yates
County Manager
JCY/jas
Enclosure

NPDES APPLICATION - FORM D
For privately -owned treatment systems treating 100% domestic wastewaters <1.0 MGD
Mail the complete application to:
N. C. DENR / Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit C0075078
If you are completing this form in computer use the TAB key or the up - down arrows to move from one
field to the next. To check the boxes, click your mouse on top of the box. Otherwise, please print or type.
1. Contact information:
Owner Name
County of Wilkes
Facility Name
Wilkes County Airport
Mailing Address
110 North Street
City
Wilkesboro
State / Zip Code
North Carolina
Telephone Number
336-651-7300
Fax Number
336-651-7571
e-mail Address
[e-mail]
2. Location of facility producing discharge:
Check here if same address as above ❑
Street Address or State Road 640 Wood Wallace Drive
City North Wilkesboro
State / Zip Code North Carolina, 28659
County Wilkes
3. Operator Information:
Name of the firm, public organization or other entity that operates the facility. (Note that this is not
referring to the Operator in Responsible Charge or ORQ
Name Wilkes County Airport
Mailing Address 640 Wood Wallace Drive
City North Wilkesboro
State / Zip Code North Carolina, 28659
Telephone Number 336-696-2000
Fax Number 336-696-4276
e-mail Address [e-mail]
1 of 5 Form-D 11/12

NPDES APPLICATION - FORM D
For privatelrowned treatment systems treating 100% domestic wastewaters <1.0 MGD
4. Description of wastewater:
Facilit9 Generating Wastewater( check all that apply.
Industrial
❑
Number of Employees 5
Commercial
❑
Number of Employees
Residential
X
Number of Homes
School
❑
Number of Students/ Staff
Other
❑
Explain:
Describe the source(s) of wastewater (example: subdivision, mobile home park, shopping centers,
restaurants, etc.):
Number of persons served: 50
S. Type of collection system
X Separate (sanitary sewer only) ❑ Combined (storm sewer and sanitary sewer)
6. Outfall Information:
Number of separate discharge points 0
Outfall Identification number(s) N/A (No outfall number assigned in previous permit)
Is the outfall equipped with a diffuser? ❑ Yes X No
7. Name of receiving stream(s) (MW applicants: Provide a map shouring the exact location of each
outfall}.
Unnamed Tributary to Rock Creek of the Yadkin -Pee Dee River
S. Frequency of Discharge: X Continuous ❑ Intermittent
If intermittent:
Days per week discharge occur 7 Duration:
9. Describe the treatment system
List all installed components, including capacities, provide design removal for BOB, TSS, nitrogen and
phosphorus. If the space provided is not sufficient, attach the description of the treatment system in a
separate sheet of paper.
2,500 gallon - surge tank with pump
5,000 gallons - aeration basin (extended aeration)
Mechanically - cleaned clarifier
Tablet chlorine disinfection
Table dechlorination
2,500 gallon - aerated sludge digester
Flow meter box
2 of 5 Form-D 11112

NPDES APPLICATION - FORM D
For privately -owned treatment systems treating 100% domestic wastewaters <1.0 MGD
10. Flow Information:
Treatment Plant Design flow .0075 MGD
Annual Average daily flow .0005 MGD (for the previous 3 years)
Maximum daily flow .0012 MGD (for the previous 3 years) c u p
11. Is this facility located on Indian country?
❑ Yes X No
12. Effluent Data
NEW APPLICANTS: Provide data for the parameters listed Fecal Coliform, Temperature and pH shall be grab
samples, for all other parameters 24-hour composite sampling shall be used. If more than one analysis is reported,
report daily maximum and monthly average. If only one analysis is reported, report as daily maximum.
RENEWAL APPLICANTS: Provide the highest single reading (Daily Maximum) and Monthly Average over
the past 36 months for parameters currentlu in uour permit. Mark other parameters `N/A'.
Parameter
Daily
Maximum
Monthly
Average
Units of
Measurement
Biochemical Oxygen Demand (BODs)
18.1
2.97
Mg/l
Fecal Colifotm
>600
2.35
col/ 100ml
Total Suspended Solids
69
10.5
Mg/1
Temperature (Summer)
29.0
24.0
C
Temperature (Winter)
17.0
7.6
C
pH
7.78
6.79
sit
13. List all permits, construction approvals and/or applications:
Type Permit Number
Hazardous Waste (RCRA)
UIC (SDWA)
NPDES NC0075078
PSD (CAA)
Non -attainment program (CAA)
14. APPLICANT CERTIFICATION
Type
NESHAPS (CAA)
Ocean Dumping (MPRSA)
Dredge or fill (Section 404 or CWA)
Other
Permit Number
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
John C. Yates, County Manager
Printed name of Person Signing Title
3-21.-2013
Signature
North Carolina General Statute 143-215.6 (b)(2) states: Any person who knowingly makes any false statement representation, or certification in any
application, record, report, plan, or other document files or required to be maintained under Article 21 or regulations of the Environmental Management
Commission implementing that Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method
required to be operated or maintained under Article 21 or regulations of the Environmental Management Commission implementing that Article, shall be
4 of 5 Form-D 11/12

COPY
Sludge Management plan
We have a small system which does not generate
access sludge. If needed we have two local septic tank
services to pump and haul access sludge. Myers Septic
Tank Silrvice or Gilreath Septic Service. The North
Wilkesboro WWTP has agreed to accept any sludge
that is hauled from our facility.
Jimmy Martin,
ORC