NC0024538_Technical Correction_20131212

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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Resources
Water Quality Programs
Pat McCrory Thomas A. Reeder John E. Skvarla, III
Governor Director Secretary
December 12, 2013
Mr. Brad R. Cornwell
City of Shelby
P.O. Box 207
Shelby, North Carolina 28151-0207
Subject: NPDES Final Permit - Correction
Permit NCO024538
Cleveland County
Class II Facility
Dear Mr. Cornwell:
The final permit issued on October 18, 2013 for the subject facility contained and error in
the sample type for cyanide. The sample type should be grab. Enclosed find an amended Special
Condition A. (1), please replace this page in your permit with the corrected one.
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 Resources or permits required by the Division of Land Resources, the Coastal Area
Management Act or any other federal or local governmental permits that may be required.
1617 Mail Service Center,Raleigh,North Carolina 27699-1617
Location:512 N.Salisbury St,Raleigh,North Carolina 27604
Phone:[phone] FAX:[phone]
Internet:vvvrw.ncvvaterguality.orq One
An Equal Opportunity 1 Affirmative Action Employer NorthCarolina
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City of Shelby
December 12, 2013
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If you have any questions concerning this permit, please contact Teresa Rodriguez at
telephone number [phone] or at email [e-mail].
Sincerely,
Thomas A. Reeder
r
cc: NPDES Files
Central Files
EPA Region 4 (e-copy)
Mooresville Regional Office/ Surface Water Protection Section
Aquatic Toxicology Unit (e-copy)

Permit NCO024538
PART I
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL
During the period beginning on the effective date of the permit 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 REQUIREMENTS
CHARACTERISTICS
Monthly Weekly Daily Measurement Sample Type Sample Location
Average Average Maximum Frequency
Flow 6.0 MGD Daily Instantaneous Influent or Effluent
BOD5,200C 25.0 mg/L 37.5 mg/L Daily Composite Effluent, Influent
Total Suspended Solidsi 30.0 mg/L 45.0 mg/L Daily Composite Effluent, Influent
NH3 as N 18.5 mg/L 35.0 mg/L Daily Composite Effluent
NH3 as N summer 2,3 4.7 mg/L 14.1 mg/L Daily Composite Effluent
NH3 as N winter)2,3 18.5 mg/L 35.0 mg/L Daily Composite Effluent
Dissolved Oxygen4 Daily Grab Effluent
Fecal Coliform 200/100 ml 400/100 ml Daily Grab Effluent
geometric mean
Total Residual Chlorines 28 µg/L Daily Grab Effluent
pH >6.0 and<9.0 standard units Daily Grab Effluent
Temperature °C Daily Grab Effluent
Total Nitrogen(NO2+NO3+
TKN) Quarterly Composite Effluent
Total Phosphorus Quarterly Composite Effluent
Total Copper Quarterly Composite Effluent
Cyanide 28.8 pg/I 108 /I Monthly Grab Effluent
Chronic Toxicit 6 Quarterly Composite Effluent
Dissolved Oxygen See footnote 7 Grab
Upstream,
Downstream
See footnote 7 Upstream,
Temperature(�C) Grab Downstream?
Conductivity
See footnote 7 Grab Upstream,Downstream7
Priority Pollutant Scan See Condition A.(3)of this permit
NOTES:
I. The monthly average effluent BOD5 and TSS concentrations shall not exceed 15%of the respective influent value(85%
removal).
2. Summer=April 1 —October 31. Winter=November 1 —March 31.
3. Summer&winter ammonia limits will become effective August 1,2016
4. The daily average dissolved oxygen concentration shall not be less than 5.0 mg/L.
5. The Division shall consider all effluent TRC values reported below 50 µg/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 µg/L.
6. Whole Effluent Toxicity shall be measured by the Chronic Toxicity(P/F)test using Ceriodaphnia dubia at 17%. Testing
shall be conducted in February,May,August and November(see Part A. (2.). Monitoring for Copper shall coincide with
toxicity sampling
7. Upstream:upstream 100 feet above outfall. Downstream: downstream above Beaverdam Creek. Instream samples shall
be collected three times per week during the months of June-September and once per week during the remaining months
of the year.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
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