NC0044440_More Information (Received)_20180201

City of Clze'rnyville
WASTEWATER TREATMENT PLANT
116 South Mountain Street
Cherryville, North Carolina 28021
Phone: [phone]
www.cityofcherryville.com
February 1, 2018
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
NC DEQ / Division of Water Resources / Water Quality Permitting Section
Attention: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Dear Water Quality Permitting Section,
RECEIVED/DENR/DWR
FEB 0 5 2018
Water Resources
Permitting Sectior
Subject: Ammonia Nitrogen source Compliance
Cherryville WWTP
NPDES Permit No. NC0044440
Gaston County, NC
This letter is in response to Section A. (5) of our new permit.
Part 1 states that the permittee shall perform source identification of ammonia nitrogen in the
effluent within six months from the effective day of the permit.
The City of Cherryville does not have any "SIU" significant industrial users in our system and
haven't had any since we lost Travis Knits years ago. Therefore the Ammonia nitrogen source
would be coming from domestic wastewater from homes and small business in our collection
system.
I hope that you find this satisfactory, please contact me at the number below if you have any
questions.
Sincerely,
Larry Wright
Plant Supervisor/ORC
City of Cherryville WWTP
704-435-1739
WHERE LIFE BLOSSOMS

Permit NC0044440
Reporting. Test results shall be reported electronically via eDMR or on DWR Form — DMR-PPA-1 (or on a form
approved by the Director) by December 31 st of each designated sampling year. The report shall be submitted to the
following address:
NC DEQ / DWR / Central Files, 1617 Mail Service Center, Raleigh, North Carolina 27699-1617.
Additional Toxicity Testing Requirements for Municipal Permit Renewal. Please note that Municipal facilities
that are subject to the Effluent Pollutant Scan requirements listed above are also subject to`additional toxicity testing
requirements specified in Federal Regulation 40 CFR 122.21(j)(5) and EPA Municip,A.pplication Form 2A. The US
EPA requires four (4) toxicity tests for a test organism other than the test species cutrent1y required in this permit.
The second species tests should be conducted either quarterly for a 12-month period prior to submittal of the permit
renewal application, or four tests performed at least annually in the four and orie half ye,artperiod prior to the
application. The second species tests must be multiple concentration (5 conc i trations plus the control). These tests
shall be performed for acute or chronic toxicity, whichever is specified in thispermit. POTWs peerforming NPDES
chronic Ceriodaphnia testing should perform chronic Fathead minnowtesting. POTWs performng NPDES acute
Fathead Minnow testing should perform acute Ceriodaphnia testing.` POTWs performing NPDESachronic Mysid
shrimp testing should perform chronic Silverside Minnow testing
The second species toxicity test results shall be filed with the Aquatic Toxicology Branch at the following address:
North Carolina Division of Water Resources
4s! a
Water Sciences SectionlAquatic Toxicology Branc:
1621 Mail Service Centel,,,
Raleigh, North Carolina 27699-1623
Contact the Division's Aquatic Toxicology Branch at 919-743 S491 for guidance"on conducting the additional toxicity
tests and reporting requirements. Results, should also a summarized in Part P (Toxicity Testing Data) of EPA
Municipal Application Form 2A, when,submitting the permntrenewal application to the NPDES Permitting Unit.
A. (5) SCHEDULE OF COMPLIANCE FOR AMMONIA NITROGEN [G.S. 143-215.1(B)]
1. Within six months from the effective day of the permit, the permittee shall perform source identification
of ammonia nitrogen in the effluent.
2. Within 1 '/ years . from the effective date of the permit, the permittee shall submit to the Division of
7WaterResources=4a,Corrective,Action Plan summarizing the actions to be taken to achieve compliance
with- ammonia nitrogen'and schedule,of activities to implement this plan.
3. Within 2 %2 years fromihe effectivedate of the permit, the permittee shall submit a report to the Division
summarizing the actions taken in accordance with the corrective action plan.
4. Achieve,compliance with Ammonia nitrogen limits (See condition A. (2) ) by May 1, 2020.
Upon approval of the Corrective Action Plan by the Division, the report and actions become an enforceable part of
this permit. Any ons;to the schedule shall be requested to the Division at least ninety (90) days before the
deadline. Modifications toxthe schedule in excess of four months will be subject to public notice.
A. (6) ELECTRONIC REPORTING OF MONITORING REPORTS [GS. 143-215.1(b)]
Federal regulations require electronic submittal of all discharge monitoring reports (DMRs) and program reports. The
final NPDES Electronic Reporting Rule was adopted and became effective on December 21, 2015.
NOTE: This special condition supplements or supersedes the following sections within Part II of this permit (Standard
Conditions for NPDES Permits):
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