NC0021229_Permit (Modification)_20020118

NPDES DOCUWENT SCANNINS COVER SHEET
NPDES Permit: NC0021229
Old Fort WWTP
Document Type: Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Engineering Alternatives Analysis
201 Facilities Plan
Instream Assessment (6713)
Speculative Limits
Permit
History
Document Date: January 18, 2002
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content on the reverse side

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor k
William J.
l��I Ross, Jr., Secretary ' CDE R
Gregory . Thorpe, Ph. D, Acting Director N
January 18,2002
The Honorable Wayne S. Stafford
Town of Old Fort
P.O. Box 520
Old Fort,North Carolina 28762
Subject: NPDES Permit Modification
Permit No. NC0021229
Old Fort WWTP
McDowell County
Dear Mayor Stafford:
In accordance with your request for modification of the instream sampling frequency for fecal coliform, the NPDES
staff has changed the instream sampling frequency from three times per week during the period from November I to March
• 31 to one time per week during the period from November 1 to March 31. In addition to the information provided in your
written request, the NPDES Unit reviewed instream and effluent fecal coliform data from 1999 and 2000. It would appear
that the effluent discharge from Old Fort is not contributing to the fecal coliform problem in Curtis Creek. However,
because of the class of the facility and water quality in Curtis Creek, instream fecal monitoring is still required. Accordingly,
we are forwarding herewith these modifications to the subject permit.
Please find enclosed the amended effluent pages for outfall 001,which should be inserted into your permit. The old
pages should be discarded. 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.
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, Post Office Drawer 27447, Raleigh, North Carolina 27611-7447.
Unless such a demand is made,this permit shall be final and binding.
Please take notice that this permit is not transferable. Part II, EA. addresses the requirements to be followed in case
of change in ownership or control of this discharge.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10%post-consumer paper

Permit No. NCO021229
Old Fort WWTP
^� January 18, 2002
Page 2
If you have any questions or need additional information, please contact Jacquelyn M.Nowell at telephone number
[phone], extension 512.
Sincerely,
C' egory J. Thorpe, Ph.D
Attachment
cc: Central Files
Asheville Regional Office
NPDES Unit.
Point Source Compliance/Enforcement Unit

A(1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Permit No. NC0021229
During the period beginning on the effective date of the permit and lasting until April 30, 2002,the Permittee is authorized to discharge from outfall(s) serial number 001.
Such discharges shall be limited and monitored by the Permittee as specified below: y d
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� t'� r "Monthly"
r+• t-.ai y awmumm- +1 easuremen,w,r.,rota.as amp e,�,74,x;�I'Sample;Location x
W�k'zl".�1.u25wk`57 NiOW veraga�`„��r t '� I
.N''� >«` [.i..na uQv_e[ag 'ars,cFrequencyiiaxr,.TYP�e€�
HOW on inuous ecor ing or
BOD5 mg mg3/Week omposie
BODS 2 ee p
Total Suspended Solids mg mg ee omposi e
Total Suspended Solids ee ra
3- (April through c o er mg/I 3NVeek Gomposite
g- (November 1 througharc mg ee omposi e
Dissolved Oxygen (April 1 through October 31) ee ra
sso ve xygen ovem er roug arc ee ra
Dissolved Oxygen (June through September only) ee ra
Dissolved Oxygen ee y ra
eca oiorm 2U01100 m m ee ra
Fecal Coliform ee y ra
PH 3/Week ra
Total Residual Chlorine ug ee ra
empera ure ai y a
Temperature I (June through September only) ee ra
Temperature ee y ra
otal Nitrogen on y omposi e
o a Phosphorus on y omposi
on uciv y ee ra
Conductivity (June through September only) ee Grab
Conductivity WeeKly ra
Chronic Toxicity 6ua er y omposi e
Cadmium 1.5 µg/I 2.1 µg/I ee y omposi e
Cyanide 18.0 µg/I 22.0 µg/I ---Week y ra
Mercury on omposi e
opper on omposi e
Zinc 2/Month omposi e
Permit Footnotes on the next page

Notes:
1 Sample Locations: E-Effluent, I-Influent, U—Upstream of discharge location, D—Downstream at the mouth of Curtis Creek. Upstream and downstream samples shall be grab samples.
Stream samples shall be collected three times per week during June,July,August, and September and once per week during the remaining months of the year.
2 The monthly average BOD5 concentration shall not exceed 15%of the respective influent value(85%removal). The monthly average Total Suspended Residue concentration shall not exceed
30%of the respective influent value(70%removal).
3 The daily average dissolved oxygen effluent concentrations shall not be less than 5 mg/I.
a The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
5 Monitoring requirement applies only if chlorine is added for disinfection.
e Chronic Toxicity(Ceriodaphnia)P/F @ 28%; March, June, September, December. See A(3)Special Conditions of the Supplement to Effluent Limitations.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

A (2). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS Permit No. NC0021229
During the period beginning on May 1, 2002 and lasting until expiration, the Permittee is authorized to discharge from outfall(s) serial number 001. Such discharges shall be
limited and monitored by the Permittee as specified below:
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o `', ,. U a �. , ',+ a m �":�4nr `.` .Lts° `+Er' ' r". .. +; "1n€,.:`p'.�'s✓
x 5.. 'x- � 5 s..,K!.6 ' ' ':'.0 3e:r u<or ^Fu rr�r•, a .,ray >z+-ra- c .«..
" ° ee y r ,x�mrr• _al y aximum 41 vg easuremen�_ r�tv!,t.,ampl "`"',�? Samole'Udcatidn r
e,f7"Yw"4.-=Lks i`* ry n �„ .tdt• r 9 t .. g ' 2 j'$-t �Avse"r`aga t f!L 3.s xitP N =4' !'z"� C rn °�L z�+ Jh.�i f._'� 1 .E� u. �„r Ma. sAvere a �., m �� �Freq`u`en" y-i uTYPes_ ' , . . n
How 1.2 MGD C—on-finuous Kecording I or
BOD5 mg mg ee omposl e
BODS 2 ee ra
Total Suspended Solids mg mg ee omposl e
Total Suspended Solids 3/Weekra
3- (April through c o er mg3/Week omposl e
3- (November 1 througharc mg 3/Weekomposl e
Dissolved Oxygen (April 1 through October 31) ee ra
DissolvedOxygen (November througharc ee ra
Dissolved Oxygen (June through September only) 3NVeek Gra
Dissolved Oxygen ee y ra
Fecal o I orm ml 3/Weekra
Fecal Coliform --Wee yGrab
PH37Week Urab
Total Residual Chlorine 5 28 ug ee ra
empera ure Daily ra
Temperature (June through September only) ee ra
Temperature ee y ra
otal Nitrogen on y omposl e
Total Posp orus on y omposl e
on uc m y 3/Weeka
Conductivity (June through September only) Grab
Conductivity ee y ra
Chronic Toxicity ua ery omposie
a mlum 1.5 µ /I 2,1 µg/I ee y_ omposl e
yang a 18.0 µg/I 22.0 µg/I Weekly ra
ercury 0_044 µg/I ee y omposl e
opper 2/Monthomposl e
nc TIVIoninomposl e
Permit Footnotes on the next page

Notes:
t Sample Locations: E-Effluent, I-Influent, U—Upstream of discharge location, D—Downstream at the mouth of Curtis Creek. Upstream and downstream samples shall be grab samples.
Stream samples shall be collected three times per week during June,July,August,and September and once per week during the remaining months of the year.
2 The monthly average BOD5 concentration shall not exceed 15%of the respective influent value(85%removal). The monthly average Total Suspended Residue concentration shall not exceed
30%of the respective influent value(70% removal).
3 The daily average dissolved oxygen effluent concentrations shall not be less than 5 mg/I.
a The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
5 Monitoring requirement applies only if chlorine is added for disinfection.
e Chronic Toxicity(Ceriodaphnia)P/F @ 28%;March,June,September, December. See A(3)Special Conditions of the Supplement to Effluent Limitations.
There shall be no discharge of floating solids or visible foam in other than trace amounts.