NC0036196_Permit (Modification)_20060418

NPDES DOCIMENT SCANNIN` COVER SHEET
NPDES Permit:
NC0036196
Clark Creek WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modificatieagaifflirelt~on ".
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
April 18, 2006
Thia document is printed on reuse paper - igrriorcN ariy
content on the reirervece aide

4976
NCDENR
Mr. Martin D. Wilson
Public Works and Utilities Director
City of Newton
PO Box 550
Newton, North Carolina 28658
Dear Mr. Wilson:
Michael F. Easley
Governor
William G. Ross, Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E., Director
Division of Water Quality
April 18, 2006
Subject: NPDES Permit Corrections
Permit No. NC0036196
Newton - Clark Creek WWTP
Catawba County
In accordance with the City of Newton's request, Division personnel have corrected the
typographical errors that were included in your March 16, 2006 permit. Accordingly, we are
forwarding these corrections to the subject permit.
Please find enclosed the amended effluent pages and special condition A (5), which
should be inserted into your permit. The old pages should be discarded. These corrections are
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.
Please take notice that this permit is not transferable. Part II, E.4. addresses the
requirements to be followed in the case of change in ownership or control of this discharge.
If you have any questions or need additional information, please contact Ms.
Jacquelyn Nowell at telephone number [phone], extension 512.
Sincerely,
tAlan W. Klimek, P.E.
Attachments
cc: Mooresville Regional Office/Surface Water Protection
EPA/Region IV Attn: Marshall Hyatt
Aquatic Toxicology Unit
PERCS/Jon Risgaard /e copy
Permit File
Central Files
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone]
Customer Service
Internet: www.ncwaterquality.org Location: 512 N. Salisbury St. Raleigh, NC 27604 Fax [phone]
623-6748
r4or Carona
aiural�iy
1-877-
An Equal Opportunity/Affirmative Action Employer— 50% Recycled/10% Post Consumer Paper

Permit No. NC0036196
' A. (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
Beginning on the effective date of this permit and lasting until expansion above 5.0 MGD or 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:
EFFLUENT
CHARACTERISTICS
EFFLUENT LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximun
Measurement
Frequency
Sample
Type
Sample
Location'
Flow
5.0 MGD
Continuous
Recording
I or E
BOD, 5-day, 20°C 2 (Summer)
15.0 mg/1
22.5 mg/1
Daily
Composite
E,I
BOD, 5-day, 20°C 2 (Winter)
30.0 mg/1
45.0 mg/1
Daily
Composite
E,I
Total Suspended Solids2
30.0 mg/1
45.0 mg/1
Daily
Composite
E,I
NH3 as N (Summer)
6.0 mg/1
18.0 mg/1
Daily
Composite
E
NH3 as N (Winter)
12.0 mg/1
35.0 mg/1
Daily
Composite
E
Total Residual Chlorine
28 ug/1
Daily
Grab
E
Fecal Coliform (geom. mean)
200/100 ml
400/100 ml
Daily
Grab
E
Dissolved Oxygen3
Daily
Grab
E
Temperature
Daily
Grab
E
Conductivity
Weekly
Grab
E
pH4
Daily
Grab
E
Total Nitrogen No2+Nosierion
Monthly
Composite
E
Total Phosphorus
Monthly
Composite
E
Total Arsenic
89 ug/1
Weekly
Composite
E
Total Cyanide
8.9 ug/1
22 ug/1
Weekly
Grab
E
Total Copper
2/Month
Composite
E
Chronic Toxicity5
Quarterly
Composite
E
Fecal Coliform (geom. mean)
3/Week7
Grab
U, D6
Dissolved Oxygen
3/Week7
Grab
U, D6
Temperature
3/Week7
Grab
U, D6
Conductivity
3/Week7
Grab
U, D6
Pollutant Scan7
Annually
See A. (5)
E
Notes:
1. Sample locations: E- Effluent, I- Influent, 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 daily effluent dissolved oxygen concentration shall not be less than 5.0 mg/1.
4. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
5. Chronic Toxicity (Ceriodaphriia) at 56%; March, June, Sept., and December; refer to Special Condition A (3)..
6. Upstream/downstream samples shall be collected 3/Week (June -September) and 1/Week (October -May).
7. See Special Condition A. (5).
(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 No. NC0036196
A. (2). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
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:
EFFLUENT
CHARACTERISTICS
EFFLUENT
LIMITATIONS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximun
Measurement
Frequency
Sample
Type
Sample
Location'
Flow
7.5 MGD
Continuous
Recording
I or E
BOD, 5-day, 20°C 2 (Summer)
15.0 mg/1
22.5 mg/1
Daily
Composite
E,I
BOD, 5-day, 20°C 2 (Winter)
30.0 mg/1
45.0 mg/1
Daily
Composite
E,I
Total Suspended Solids 2
30.0 mg/1
45.0 mg/1
Daily
Composite
E,I
NH3 as N (Summer)
2.0 mg/1
6.0 mg/1
Daily
Composite
E
NH3 as N (Winter)
4.0 mg/1
12.0 mg/1
Daily
Composite
E
Total Residual Chlorine
26 ug/1
Daily
Grab
E
Fecal Coliform (geom. mean)
200/100 ml
400/100 ml
Daily
Grab
E
Dissolved Oxygen3
Daily
Grab
E
Temperature
Daily
Grab
E
Conductivity
0
Weekly
Grab
E
pH4
Daily
Grab
E
Total Nitrogen (No2+Nos+TKN)
Monthly
Composite
E
Total Phosphorus
Monthly
Composite
E
Total Arsenic
76 ug/1
Weekly
Composite
E
Total Cyanide
7.6 ug/1
22 ug/1
Weekly
Grab
E
Total Copper
2/Month
Composite
E
Total Zinc
2/Month
Composite
E
Chronic Toxicity5
Quarterly
Composite
E
Fecal Coliform (geom. mean)
3/Week7
Grab
U, D6
Dissolved Oxygen
3/Week7
Grab
U, D6
Temperature
3/Week7
Grab
U, D6
Conductivity
3/Week7
Grab
U, D6
Pollutant Scan7
Annually
See A. (5)
E
Notes:
1. Sample locations: E- Effluent, I- Influent, 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 daily effluent dissolved oxygen concentration shall not be less than 5.0 mg/1.
4. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
5. Chronic Toxicity (Ceriodaphnta) at 66%; March, June, Sept., and December refer to Special Condition A (4).
6. Upstream/downstream samples shall be collected 3/Week (June -September) and 1/Week (October -May).
7. See Special Condition A. (5).
(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 No. NC0036196
A. (5). Effluent Pollutant Scan
The permittee shall perform an annual Effluent Pollutant Scan for all parameters listed in the table
below (in accordance with 40 CFR Part 136). The annual effluent pollutant scan samples shall represent
seasonal (summer, winter, fall, spring) variations over the 5-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)
Chlorine (total residual, TRC)
Dissolved oxygen
Nitrate/Nitrite
Kjeldahl nitrogen
Oil and grease
Phosphorus
Total dissolved solids
Hardness
Antimony
Arsenic
Beryllium
Cadmium
Chromium
Copper
Lead
Mercury
Nickel
Selenium
Silver
Thallium
Zinc
Cyanide
Total phenolic compounds
Volatile organic compounds:
Acrolein
Acrylonitrile
Benzene
Bromoform
Carbon tetrachloride
Chlorobenzene
Chlorodibromomethane
Chloroethane
2-chloroethylvinyl ether
Chloroform
Dichlorobromomethane
1,1-dichloroethane
1,2-dichloroethane
Trans-1,2-dichloroethylene
1 ,1 -dichloroethylene
1,2-dichloropropane
1,3-dichloropropylene
Ethylbenzene
Methyl bromide
Methyl chloride
Methylene chloride
1,1,2,2-tetrachloroethane
Tetrachloroethylene
Toluene .
1,1 ,1 -trichloroethane
1,1,2-trichloroethane
Trichloroethylene
Vinyl chloride
Acid -extractable compounds:
P-chloro-m-cresol
2-chlorophenol
2,4-dichlorophenol
2,4-dimethylphenol
4,6-dinitro-o-cresol
2,4-dinitrophenol
2-nitrophenol
4-nitrophenol
Pentachlorophenol
Phenol
2,4,6-trichlorophenol
Base -neutral compounds:
Acenaphthene
Acenaphthylene
Anthracene
Benzidine
Benzo(a)anthracene
Benzo(a)pyrene
3,4 benzofluoranthene
Benzo(ghi)perylene
Benzo(k)fluoranthene
Bis (2-chloroethoxy) methane
Bis (2-chloroethyl) ether
Bis (2-chloroisopropyl) ether
Bis (2-ethylhexyl) phthalate
4-bromophenyl phenyl ether
Butyl benzyl phthalate
2-chloronaphthalene
4-chlorophenyl phenyl ether
Chrysene
Di-n-butyl phthalate
Di-n-octyl phthalate
Dibenzo(a,h)anthracene
1,2-dichlorobenzene
1,3-dichlorobenzene
1,4-dichlorobenzene
3,3-dichlorobenzidine
Diethyl phthalate
Dimethyl phthalate
2,4-dinitrotoluene
2,6-dinitrotoluene
1,2-diphenylhydrazine
Fluoranthene
Fluorene
Hexachlorobenzene
Hexachlorobutadiene
Hexachlorocyclo-pentadiene
Hexachloroethane
Indeno(1,2,3-cd)pyrene
lsophorone
Naphthalene
Nitrobenzene
N-nitrosodi-n-propylamine
N-nitrosodimethylamine
N-nitrosodiphenylamine
Phenanthrene
Pyrene
1,2,4-trichlorobenzene

Permit No. NC0036196
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 the NPDES Unit and DWQ Central Files to the following address: Division of
Water Quality, Surface Water Protection Section, ,1617 Mail Service Center, Raleigh, North
Carolina 27699-1617.