NC0085707_NOD-2021-MV-0022_20210407

ROY COOPER
Governor
DIONNE DELLI-GATTI
Secretory
S. DANIEL SMITH
Director
NORTH CAROLINA
Environmental Quality
April 7, 2021
Patrick Irwin, Director Utilities
Dare County
600 Mustain St
Kill Devil Hill, NC 27948
SUBJECT: NOTICE OF DEFICIENCY
Tracking Number: NOD-2021-MV-0022
Permit No. NC0085707
Cape Hatteras Reverse Osmosis WTP
Dare County
Dear Mr. Irwin:
A review of the December 2020 Discharge Monitoring Report (DMR) for the subject facility revealed the
deficiency(s) indicated below:
Monitoring Deficiencv(s):
Sample
Location Parameter
Monitoring
Date Frequency Type of Deficiency
001 Downstream Conductivity (00094)
12/31/2020 2 X month Frequency Violation
001 Downstream Oxygen, Dissolved (DO) (00300) 12/31/2020
2 X month Frequency Violation
001 Downstream pH (00400)
12/31/2020 2 X month Frequency Violation
001 Downstream Salinity (00480)
12/31/2020 2 X month Frequency Violation
001 Downstream Temperature, Water Deg.
Centigrade (00010)
12/31/2020 2 X month Frequency Violation
001 Effluent
Conductivity (00094)
12/31/2020 2 X month Frequency Violation
001 Effluent
Nitrogen, Ammonia Total (as N) - 12/31/2020 Monthly Frequency Violation
Concentration (C0610)
001 Effluent
Salinity (00480)
12/31/2020 2 X month Frequency Violation
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North Carolina Department of Environmental Quality I Division of Water Resources
Washington Regional Office 1943 Washington Square Mall I Washington. North Carolina 27889
252.946.648t

Monitoring Deficiency(s):
Sample Monitoring
Location Parameter Date Frequency Type of Deficiency
001 Effluent Solids, Total Dissolved (70295) 12/31/2020 2 X month Frequency Violation
001 Upstream Conductivity (00094)
12/31/2020 2 X month Frequency Violation
001 Upstream Oxygen, Dissolved (DO) (00300) 12/31/2020 2 X month Frequency Violation
001 Upstream pH (00400)
12/31/2020 2 X month Frequency Violation
001 Upstream Salinity (00480)
12/31/2020 2 X month Frequency Violation
001 Upstream Temperature, Water Deg.
Centigrade (00010)
12/31/2020 2 X month Frequency Violation
Please be aware that non-compliance with your permit could result in enforcement action by the Division of
Water Resources for these and any additional violations of State law. The Washington Regional Office
encourages you to take all necessary actions to bring your facility into compliance.
If you should need any assistance or would like to discuss this non-compliance situation, please contact Will
Hart of the Washington Regional Office at 252-948-3968.
cc: LaserFiche
Sincerely,
U44 T444401
Robert Tankard, Assistant Regional Supervisor
Water Quality Regional Operations Section
Washington Regional Office
Division of Water Resources, NCDEQ
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North Carolina Department of Environmental Quality Division of Water Resources
Washington Regional Office 943 Washington Square Mall I Washington. North Carolina 27889
252.946.648]