NC0036196_Permit (Issuance)_20090108

NPDES DOCUINENT SCANNINO COVER SHEET
NPDES Permit:
NC0036196
Clark Creek WWTP
Document Type:
Permit Issuance ''".,1
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
January 8, 2009
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Mr. Danny Sigmon, WW1? Superintendent
City of Newton
P.O. Box 550
Newton, NC 28658
Dear Mr. Sigmon,
Michael F. Easley
Govemor
William G. Ross, Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
January 8, 2009
Subject: Issuance of NPDES Permit NC0036196
Clark Creek WNX/TP
Catawba County
Division personnel have reviewed and approved your application for Major Modification 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 no major changes from the draft permit sent to you on October 22, 2008.
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 which may be required by the Division of Water Quality or permits required by the Division of Land
Resources, the Coastal Area Management Act or any other Federal or Local governmental permit that may be
required. If you have any questions concerning this permit, please contact Sergei Chemikov at telephone number
[phone], extension 594.
cc: US EPA Region IV, Marshall Hyatt
MRO Surface Water Protection
NPDES File
Central Files
PERCS
N. C. Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
Internet: h2o.enr.state.nc.us
Phone: [phone]
fax [phone]
DENR Customer Service Center: 1 800 623-7748

Permit No. NC0036196
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
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
City of Newton
is hereby authorized to discharge wastewater from a facility located at
Clark Creek Wastewater Treatment Plant
1407 McKay Rd
Newton, North Carolina
Catawba County
to receiving waters designated as Clark Creek in the Catawba 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 February 1, 2009.
This permit and the authorization to discharge shall expire at midnight on July 31, 2010
Signed this day January 8, 2009.
Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit No. NC0036196
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 City of Newton
is hereby authorized to:
1. Continue to operate an existing 5.0 MGD wastewater treatment facility consisting of the following
wastewater treatment components:
• Influent pump station
• Mechanical screen
• Two aerated grit chambers
• Lime addition
• Two primary clarifiers
• Four aeration basins
• Three secondary clarifiers
• Two dual media filters
• Dual chlorine contact basins/disinfection
• Dechlorination
• Four gravity sludge thickeners
• Post aeration
• Standby generator
The facility is located at the Clark Creek WWTP, 1470 McKay Road, in Newton, in Catawba County.
2. After receiving an Authorization to Construct from the Division, expand the wastewater treatment
facility to 7.5 MGD.
3. Discharge from said treatment works (via outfall 001) at the location specified on the attached map
into Clark Creek, class C waters in the Catawba River Basin.

Facility Information
Latitude: 35°37'34" Sub -Basin: 03-08-35
Longitude: 8101355"
Ouad #: El4NW
Stream Class:
Receiving Stream: Clark Creek
Permitted Flow: 5.0, 7.5 MGD
North
Newton - Clark Creek WWTP
NC0036196
Catawba County

Permit NC0036196
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (5.0 MGD)
Beginning on the modification date of this permit and lasting until expansion above 5.0 MGD or permit
expiration, the Perrnittee is authorized to discharge treated wastewater from Outfall 001. Such
discharges shall be limited and monitored by the Permittee as specified below:
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5.0 MGD
Continuous
Recording
Influent or
Effluent
BOD, 5-day, 20°C 2 Summer)
15.0 mg/L
22.5 mg/L
Daily
Composite
Influent &
Effluent
BOD, 5-day, 20°C 2 (Winter)
30.0 mg/L
45.0 mg/L
Daily
Composite
Influent &
Effluent
Total Suspended Solids2
30.0 mg/L
45.0 mg/L
Daily
Composite
Influent &
Effluent
NH3 as N (Summer)
6.0 mg/L
18.0 mg/L
Daily
Composite
Effluent
NH3 as N (Winter)
12.0 mg/L
35.0 mg/L
Daily
Composite
Effluent
Total Residual Chlorine3
28 µg/L
Daily
Grab
Effluent
Fecal Coliform (geometric mean)
200/100 ml
400/100 ml
Daily
Grab
Effluent
Dissolved Oxygen
Daily average > 5.0 mg/L
Daily
Grab
Effluent
Temperature
Daily
Grab
Effluent
Conductivity
Weekly
Grab
Effluent
pH
> 6.0 and < 9.0 standard units
Daily
Grab
Effluent
Total Nitrogen (NO2+NO3+TKN)
Monthly
Composite
Effluent
Total Phosphorus
Monthly
Composite
Effluent
Total Copper
2/Month
Composite
Effluent
Chronic Toxicity4
Quarterly
Composite
Effluent
-Annual Pollutant Scan5
Annually
Grab
Effluent
Fecal Coliform (geometric mean)
Variab1e6
Grab
U & D
Dissolved Oxygen
Variable6
Grab
U & D
Temperature
Variable6
Grab
U & D
Conductivity
Variable6
Grab
U & D
Notes:
1. U: upstream at NCSR 2014. D: downstream at NCSR 2007.
2. The monthly average effluent BOD5 and TSS concentrations shall not exceed 15% of the respective influent value (85% removal).
3. The facility shall report all effluent TRC values reported by a NC certified laboratory including field certified. However, effluent values
below 50 p.g/L will be treated as zero for compliance purposes.
4. Chronic Toxicity (Ceriodaphnia) at 56%; March, June, Sept., and December; refer.to A. (3).
5. See A. (5).
6. Upstream/downstream samples shall be collected 3/Week (June -September) and 1/Week (October -May).
(Summer) = April 1- October 31
(Winter) = November 1 - March 31
There shall be no discharge of floating Solids or visible foam in other than trace amounts.

Permit NC0036196
A. (2) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS (7.5 MGD)
Beginning upon expansion above 5.0 MGD and lasting until permit expiration, the Permittee is
authorized to discharge treated wastewater from Outfall 001. Such discharges shall be limited and
monitored by the Permittee as specified below:
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Continuous
Recording
Influent or
Effluent
BOD, 5-day, 20°C 2 Summer)
15.0 mg/L
22.5 mg/L
Daily
• Composite
Influent &
Effluent
BOD, 5-day, 20°C 2 (Winter)
30.0 mg/L
45.0 mg/L
Daily
Composite
Influent &
Effluent
Total Suspended Residue2
30.0 mg/L
45.0 mg/L
Daily
Composite
Influent &
Effluent
NH3 as N (Summer)
2.0 mg/L
6.0 mg/L
Daily
Composite
Effluent
NH3 as N (VVinter)
4.0 mg/L
12.0 mg/L
Daily
Composite
Effluent
Total Residual Chlorine3
26 pg/L
Daily
Grab
Effluent
Fecal Coliform (geometric mean)
200/100 ml
400/100 ml
Daily
Grab
Effluent
Dissolved Oxygen
Daily average > 5.0 mg/L
Daily
Grab
Effluent .
Temperature
Daily
Grab
Effluent
Conductivity
Weekly
Grab
Effluent
pH
> 6.0 and < 9.0 standard units
Daily
Grab
Effluent
Total Nitrogen (NO2+NO3+TKN)
Monthly
Composite
Effluent
Total Phosphorus
Monthly
Composite
Effluent
Total Copper
2/Month
,
Composite
Effluent
Chronic Toxicity4
Quarterly
Composite
Effluent
Annual Pollutant Scan5
Annually
Grab
Effluent
Fecal Coliform (geometric mean)
Variable6
Grab
U & D
Dissolved Oxygen
Variable6
Grab
U & D
Temperature
Variable6
Grab
U & D
Conductivity
Variab1e6
Grab
U & D
Notes:
1. U: upstream at NCSR 2014. D: downstream at NCSR 2007.
2. The monthly average effluent BOD5 and TSS concentrations shall not exceed 15% of the respective influent value (85% removal).
3. The facility shall report all effluent TRC values reported by a NC certified laboratory including field certified. However, effluent values
below 50 µg/L will be treated as zero for compliance purposes.
4. Chronic Toxicity (Ceriodaphnia) at 66%; March, June, Sept., and December; refer to A. (4).
5. See A. (5).
6. Upstream/downstream samples shall be collected 3/Week (June -September) and 1/Week (October -May).
(Summer) = April 1- October 31
(Winter) = November 1 - Mrh 31
There shall be no discharge of floating solids or visible foam in other than trace amounts.

Permit NC0036196
A. (3) CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY) - 5.0 MGD
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant mortality to
Ceriodaphnia dubia at an effluent concentration of 56%.
The permit holder shall perform at a minimum, quarterly monitoring using test procedures outlined in the "North
Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or subsequent versions or
"North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -February 1998) or
subsequent versions. The tests will be performed during the months ofMarch, June, September, and December.
Effluent sampling for this testing shall be performed at the NPDES permitted fmal effluent discharge below all
treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below the permit
limit, then multiple -concentration testing shall be performed at a minimum, in each of the two following months as
described in "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -February 1998)
or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the highest
concentration having no detectable impairment of reproduction or survival and the lowest concentration that does
have a detectable impairment of reproduction or survival. The definition of "detectable impairment," collection
methods, exposure regimes, and further statistical methods are specified in the "North Carolina Phase II Chronic
Whole Effluent Toxicity Test Procedure" (Revised -February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form (MR-1) for the months in which tests were performed, using the parameter code TGP3B for the
pass/fail results and THP3B for the Chronic Value. Additionally, DWQ Form AT-3 (original) is to be sent to the
following address:
Attention:
NC DENR / DWQ / Environmental Sciences Section
1621 Mail Service Center
Raleigh, North Carolina 27699-:1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Section no later than 30
days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate signature.
Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is required, the
pennittee will complete the information located at the top of the aquatic toxicity (AT) test form indicating the
facility name, permit number, pipe number, county, and the month/year of the report with the notation of "No
Flow" in the comment area of the form. The report shall be submitted to the Environmental Sciences Branch at the
address cited above.
Should the permittee fail to monitor during a month in which toxicity monitoring is required, monitoring will be
required during the following month. Should any test data from this monitoring requirement or tests performed by
the North Carolina Division of Water Quality indicate potential impacts to the receiving stream, this permit may be
re -opened and modified to include alternate monitoring requirements or limits.
If the Pennittee monitors any pollutant more frequently then required by this permit, the results of such monitoring
shall be included in the calculation & reporting of the data submitted on the DMR & all AT Forms submitted.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism
survival, minimum control organism reproduction, and appropriate environmental controls, shall constitute an
invalid test and will require immediate follow-up testing to be completed no later than the last day of the month
following the month of the initial monitoring.

Permit NC0036196
A. (4) CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY) - 7.5 MGD
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant mortality to
Ceriodaphnia dubia at an effluent concentration of 66%.
The permit holder shall perform at a minimum, quarterly monitoring using test procedures outlined in the "North
Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or subsequent versions or
"North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -February 1998) or
subsequent versions. The tests will be performed during the months ofMarch, June, September, and December.
Effluent sampling for this testing shall be performed at the NPDES permitted final effluent discharge below all
treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below the permit
limit, then multiple -concentration testing shall be performed at a minimum, in each of the two following months as
described in "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -February 1998)
or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the highest
concentration having no detectable impairment of reproduction or survival and the lowest concentration that does
have a detectable impairment of reproduction or survival. The definition of "detectable impairment," collection
methods, exposure regimes, and further statistical methods are specified in the "North Carolina Phase II Chronic
Whole Effluent Toxicity Test Procedure" (Revised -February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form (MR-1) for the months in which tests were performed, using the parameter code TGP3B for the
pass/fail results and THP3B for the Chronic Value. Additionally, DWQ Form AT-3 (original) is to be sent to the
following address:
Attention:
NC DENR / DWQ / Environmental Sciences Section
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Section no later than 30
days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate signature.
Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is required, the
pertnittee will complete the information located at the top of the aquatic toxicity (AT) test form indicating the
facility name, permit number, pipe number, county, and the month/year of the report with the notation of "No
Flow" in the comment area of the form. The report shall be submitted to the Environmental Sciences Branch at the
address cited above.
Should the pennittee fail to monitor during a month in which toxicity monitoring is required, monitoring will be
required during the following month. Should any test data from this monitoring requirement or tests performed by
the North Carolina Division of Water Quality indicate potential impacts to the receiving stream, this permit may be
re -opened and modified to include alternate monitoring requirements or limits.
If the Permittee monitors any pollutant more frequently then required by this permit, the results of such monitoring
shall be included in the calculation & reporting of the data submitted on the DMR & all AT Forms submitted.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism
survival, minimum control organism reproduction, and appropriate environmental controls, shall constitute an
invalid test and will require immediate follow-up testing to be completed no later than the last day of the month
following the month of the initial monitoring.

Permit NC0036196
A. (5) EFFLUENT POLLUTANT SCAN
The permittee shall perform three Effluent Pollutant Scans for all parameters listed in the table below (in
accordance with 40 CFR Part 136). The effluent pollutant scan samples shall represent seasonal (summer,
winter, fall, spring) variations over the 3-year permit cycle. Unless otherwise indicated, metals shall be
analyzed as "total recoverable." Additionally, the method detection level and the minimum level shall be the
most sensitive as provided by the appropriate analytical procedure.
Ammonia (as N) Trans-1,2-dichloroethylene Bis (2-chloroethyl) ether
Chlorine (total residual, TRC) 1,1-dichloroethylene Bis (2-chloroisopropyl) ether
Dissolved oxygen 1,2-dichloropropane Bis (2-ethylhexyl) phthalate
Nitrate/Nitrite 1,3-dichloropropylene 4-bromophenyl phenyl ether
Kjeldahl nitrogen Ethylbenzene Butyl benzyl phthalate
Oil and grease Methyl bromide 2-chloronaphthalene
Phosphorus Methyl chloride 4-chlorophenyl phenyl ether
Total dissolved solids Methylene chloride Chrysene
Hardness 1,1,2,2-tetrachloroethane Di-n-butyl phthalate
Antimony Tetrachloroethylene Di-n-octyl phthalate -
Arsenic Toluene Dibenzo(a,h)anthracene
Beryllium 1,1,1-trichloroethane 1,2-dichlorobenzene
Cadmium 1,1,2-trichloroethane 1,3-dichlorobenzene
Chromium Trichloroethylene 1,4-dichlorobenzene
Copper Vinyl chloride 3,3-dichlorobenzidine
Lead Acid -extractable compounds: Diethyl phthalate
Mercury P-chloro-m-cresol Dimethyl phthalate
Nickel 2-chlorophenol 2,4-dinitrotoluene
Selenium 2,4-dichlorophenol 2,6-dinitrotoluene
Silver 2,4-dimethylphenol 1,2-diphenylhydrazine
Thallium 4,6-dinliro-o-eresol Fluoranthene
Zinc 2,4-dinitrophenol Fluorene
Cyanide 2-nitrophenol Hexachlorobenzene
Total phenolic compounds 4-nitrophenol Hexachlorobutadiene
Volatile organic compounds: Pentachlorophenol Hexachlorocyclo-pentadiene
Acrolein Phenol Hexachloroethane
Acrylonitrile 2,4,6-trichlorophenol Indeno(1,2,3-cd)pyrene
Benzene Base -neutral compounds: Isophorpne
Bromoform Acenaphthene Naphthalene
Carbon tetrachloride Acenaphthylene Nitrobenzene
Chlorobenzene Anthracene N-nitrosodi-n-propylamine
Chlorodibromomethane Benzidine N-nitrosodimethylamine
Chloroethane Benzo(a)anthracene N-nitrosodiphenylamine
2-chloroethylvinyl ether Benzo(a)pyrene Phenanthrene
Chloroform 3,4 benzofluoranthene Pyrene
Dichlorobromomethane Benzo(ghi)perylene 1,2,4-trichlorobenzene
1,1-dichloroethane Benzo(k)fluoranthene
1,2-dichloroethane Bis (2-chloroethoxy) methane
Test results shall be reported to the Division in DWQ Form- DMR-PPA1 or in a form approved by the Director, within 90
days of sampling. A copy of the report shall be submitted to Central Files at the following address: Division of Water
Quality, Surface Water Protection Section, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617.

permit mod for NC0036196, Clark Creek WWTP
Subject: permit mod for NC0036196, Clark Creek WWTP
From: [e-mail]
Date: Fri, 24 Oct 2008 10:50:46 -0400
To: [e-mail]
EPA has no comments.
1 of 1 10/24/2008 11:48 AM

The Observer News Enterprise
309 North College Ave.
PO Drawer 48
Newton, NC 28658
NCDENR DWQ/Point Source Branch
Attn: Dina Sprinkle
1617 Mail Service Center
Raleigh, NC 27699-1617
Date(s) Run Description Charge Balance
10/23/08 Public Notice 78.57 78.57
NPDES/Clark Creek
North Carolina
Catawba County
Michael Willard...BEING DULY SWORN SAYS: That he is the Publisher of the OBSERVER
NEWS ENTERPRISE, a newspaper published at Newton, North Carolina. And that it is a
newspaper of general circulation in Catawba County and surrounding counties. The Public Notice
of NPDES/Clark Creek was published in said newspaper and not a supplement thereof and is a
true copy of the notice as it was published in the regular and entire edition of THE OBSERVER
NEWS ENTERPRISE. Appearing each week, beginning on the 23rd day October 2008 and
ending on the 23rd day of October, 2008 and that said OBSERVER NEWS ENTERPRISE was
regularly distributed to the subscribers during said period.
Swom to and subscribed before me, this 23rd day of October 2008
NOTARY PUBLIC L{:4 ((,(J
My commission epire 31 1 a)l a

PUBLIC NOTICE
STATE OF
NORTH CAROLINA
ENVIRONMENTAL
MANAGEMENT
CCIVIMISSION/
NPDES UNIr
1617 MAIL SERVICE
CENTER
RALEIGH, NC
27699-1617
NOTIFICATION OF
INTENT TO ISSUE A
NPDES WASTEWATER
PERMIT
On the basis of thor-
ough staff review and
application of NC Gen-
eral Statute 143.215.1
and 15A NCAC
02H.0109 and other law-
ful standards and regu-
lations, the North Caroli-
na Environmental Man-
agement Commission
proposes to issue a Na-
tional Pollutant .Dis-
charge Elimination Sys-
tem (NPDES) wastewa-
ter discharge permit to
the person(s) listed be-
low effective 45 days
from the publish date of
this notice.
Written comments re-
garding the proposed
permit will be accepted
until 30 days after the
publish date of this no-
tice. All cc-mments re-
ceived prior. to that date
are considered in the fi-
nal determinations re-
garding the proposed
permit. The Director of
the NC Division of Water
Quality may decide to
hold a public meeting for
the proposed permit
should the Division re-
ceive a significant de-
gree of public interest.
Copies of the draft
, permit and other sup-
porting information on
file used to determine
conditions present in the
draft permit are availa-
ble upon request and
payment of the costs of
reproduction. Mail com-
ments and/or requests
for information to the NC
Division ot Water Quality
at the ribove address or
call Da Sprinkle (919)
807-6304 at the Point
Source Branch. Please
include the NPOFS per-
mit number (below) in
any communication. In-
terestect persons may
also visit the D.vision of
Water Quality at 512 N.
Salisbury Street, Ra-
leigh, NC 27604-1148
between the hours of
8:00 a.m. and 5:00 p.m.
to review information on
file.
The City of Newton has
applied for a major mod-
ification of NPDES Per-
mit NC0036196 for its
Clark Creek in the Cata-
wba River Basin. The
modification wit remove
monitoring for Zinc. This
modification is being
made on the review of
the effluent and toxicity
data. The effluent will be
tested for Zinc on a
quarterly basis per
terms of the facility's
Pretreatment Long Term
Monitoring Plan.
Publish: October 23,
2008.

NCDENR / DWQ
FACT SHEET
NPDES PERMIT MODIFICATION
City of Newton
NPDES No. NC0036196
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(1.) Facility Name:
Clark Creek WWTP
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(2.) Permitted Flow,MGD:
5.0/7.5 MGD
(6.) County:
Catawba
(3.) Facility Class:
IV
(7.) Regional Office:
Mooresville
_
(4.) Facility Status:
Existing
(8.) USGS Topo Quad:
E14NW
(Newton)
(5.) Permit Status:
Modification
(9.) Pretreatment Program:
Active
Stieam
hitricteristics
(1.) Receiving Stream:
Clark Creek
(2.) Subbasin:
030835
(8.) Drainage Area (mi2):
29.30
(3.) Stream Index No.:
11-129-5-(0.3)
(9.) Summer 7Q10 (cfs)
6
(4.) Stream Classification:
(10.) Winter 7Q10 (cfs):
• 10
(5.) 303(d) Listed:
YES
(11.) 30Q2 (cfs):
NA
(6.) 305(b) Status:
(12.) Average Flow (cfs):
35.00
(7.) Use Support:
PS
(13.) IWC (%):
56/66
Summary
This is a Major permit modification for a Major municipal POTW with phased 5.0/7.5 MGD flow limits.
The permit was last reissued on 3/16/2006 and last modified on 08/31/2007. The facility was constructed
in the mid-1970's with a design capacity of 5 MGD, and phased limits for expansion to 7.5 MGD were
prepared in 1991. The facility operates an approved pretreatment program.
The facility discharges to Clark Creek>South Fork Catawba River. Most of Clark Creek is considered
impaired. The subject stream segment is C Class, and is listed in the Draft 2008 303d list as biologically
impaired (cause unstated). In the most downstream portion of the creek (WS-W class), turbidity is identified
as the parameter of interest for the impairment.
The facility has a quarterly chronic toxicity test limit, and has passed all chronic toxicity tests for the period
reviewed (2005-present), at an instream waste concentration of 56%.
TOXICITY TESTiNG:
Type of Toxicity Test:
Existing Limit:
Recommended Limit:
Monitoring Schedule:
Chronic P/F
001: Chronic P/F @ 56%/66%
001: Chronic P/F @ 56%/66%
March, June, September, December
The facility has been consistently passing its WET tests (please see attached)

NPDES PERMIT FACT SHEET City of Newton
Page 2 NPDES No. NC0036196
COMPLIANCE SUMMARY:
DMRs have been reviewed for the period January 2005 through September 2008. Facility has a mixed
compliance record. During the review period, the following NOVs (notices of violation) have been
issued: 07/30/08 — fecal coliforms, 12/06/07- CN (4 separate violations during February and March of
2007).
A compliance evaluation inspection conducted on August 8, 2007 determined that the facility is in
compliance
PROPOSED CHANGES:
Monitoring Frequencies: The monitoring requirements for Copper have been deleted from
the permit based on the review of the monitoring data and Whole Effluent Toxicity testing
results. The facility will continue to monitor Copper on a quarterly basis through the
Pretreatment Long -Term monitoring Plan.
PROPOSED SCHEDULE FOR PERMIT ISSUANCE:
Draft Permit to Public Notice: October 22, 2008 (est.)
Permit Scheduled to Issue: December 18, 2008 (est.)
STATE CONTACT:
Ifyou have any questions on any of the above information or on the attached permit, please contact
Sergei Chernikov at [phone]. L57
Page 2
Version: January 8, 2009

modification request
Subject: modification request
From: Sergei Chemikov <[e-mail]>
Date: Thu, 21 Aug 2008 11:12:35 -0400
To: [e-mail]
CC: [e-mail]
Mr. Sigmon,
Pea) 3
I have received your message, please see my response below:
1) You request to remove the Copper monitoring is considered a Major Modification
because conditions of the Permit will become less stringent as a result of this
modification.
2) Major Modification requires a Fee, the Fee structure is established by the NC
General Assembly.
Please let me know if you have any additional questions.
Thank you!
Sergei
Sergei Chernikov, Ph.D
Environmental Engineer II
NPDES-West
Phone: [phone], fax [phone]
1617 Mail Service Center
Raleigh, NC 27699-1617
Express mail: 512 North Salisbury St.
Raleigh, NC 27606
SEP 1 0 2008
- WATER 0!JALITY
73TOE
1 of 1 8/21/2008 11:14 AM

CITY OF
"TELE HEART OFCATAWBA COUNTY"
08/11/2008
Ms. Coleen Sullins, Director
Division of Water Quality
1617 Mail Service Center
Raleigh, NC 27699-1617
P.O. Box 550 • Newton,
28658 • [phone] •8) 465-7419
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Subject: Request to remove 2/month effluent total copper monitoring
Ms. Sullins:
004R
ir'ONT 'Au. •
NCO° 361*
The City of Newton Clark Creek WWTP respectfully request that the Division eliminate
the twice per month effluent total co per monitoring concerning NPDES permit #
NC003619 . Attached are the total copper an o a zinc analysis for the past twelve
toxicity tests (March, June, September, December). Also attached are the past two years
of 2/month total copper analysis (55) for review. The City of Newton request this minor
permit modification per the October 25, 2000 Implementation of Action Levels for
Copper and Zinc in NPDES Permits by the North Carolina Division of Water Quality "--
monitoring is required in NPDES permits or through the Pretreatment Long -Term
Monitoring Plan (LTMP)".
The City of Newton LTMP stipulates testing the effluent total copper quarterly. We
currently perform this testing during toxicity monitocing. The permit required Annual
Pollutant Scan that also includes total copper is performed during one of the quarterly
toxicity tests. The City of Newton will continue total copper monitoring per the LTMP at
the frequency of quarterly (March, June, September and December).
If you or your staff have any questions concerning this request please do not hesitate to
contact me at 828.695.4346. I look forward to your early response.
Respectfully Yours,
Dann igmon
City of Newton v
WWTP Superintendent RECEIVED/
AUG 1 8- 2008
cc: Central Files
Mooresville Regional Office / Surface Water ProtectDENRiwiWATER O1,JALrrr
NPDES Files
EPA Region 4 POINT SOURCE RANCH

I flow MGD copper ug/L zinc ug/L toxicity
I
9/15/2005 L 3.4 6.3 133 pass
12/8/2005 , 2.3 5.9 48 • pass
3/9/2006 2.2 3.7 . 46 pass
6/8/2006 . 2.3 5.4 37 pass
9/14/2006 4 <5 17 pass
12/8/2006 1.9 <5 36 pass
3/9/2007 1.5 5.5 41 pass
6/8/2007 1.3 3 32 pass
9/14/2007 2.3 8 27 pass
12/7/2007 1.3 9 30 pass
3/6/2008 1.7 7 42 pass
6/6/2008 2.4 8 29 pass

Copper
Effluent
ug/L
6/8/2006 5.4
6/12/2006 6.1
6/26/2006 5.5
7/3/2006 4.2
7/17/2006 6
8/1/2006 3.6
8/15/2006 4.3
9/14/2006 <5
9/28/2006 6.3
10/2/2006 5.1
10/16/2006 5.8
11/1/2006 <5
11/20/2006 <5
12/8/2006 <5
12/28/2006 <5
1/2/2007 <5
1/9/2007 <5
1/22/2007 <5
2/7/2007 <5
2/19/2007 2.3
3/9/2007 5.5
3/26/2007 4.9
4/2/2007 3.6
4/16/2007 3
5/8/2007 6
5/29/2007 8
6/8/2007 3
6/25/2007 4
7/2/2007 5
7/23/2007 8
8/6/2007 8
8/21/2007 11
9/4/2007 8
9/14/2007 8
9/28/2007 11
10/4/2007 11
10/19/2007 8
11/2/2007 11
11/20/2007 11
12/7/2007 9
12/21/2007 10
01/02/08 14.9
01/23/08 9
2/11/2008 6
2/26/2008 6
3/7/2008 7
3/25/2008 10

4/8/2008 5
4/24/2008 5
5/12/2008 6
5/30/2008 7
6/6/2008 8 .
6/27/2008 12
7/10/2008 8
7/24/2008 11