Clean Water Act discharge permit · NPDES NC0088307

RICHARDSON WTP, Wilmington, NC: NPDES NC0088307 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
13Pollutants under a numeric limit
2Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

RICHARDSON WTP, held by Cape Fear Public Utility Authority, holds NPDES permit NC0088307. EPA’s file records it issued January 5, 2018 and expiring January 31, 2023.

RICHARDSON WTP, Wilmington, North Carolina: Individual permit NC0088307, held by Cape Fear Public Utility Authority; Administratively continued (past its expiration date and still in force until reissued); issued January 5, 2018, term to January 31, 2023; Water Supply and Irrigation Systems.

Solids, total suspended: 2 limits, 184 violations of any kind, 16 effluent exceedances, latest June 30, 2011, largest 241% over the limit.
pH: 2 limits, 113 violations of any kind, 7 effluent exceedances, latest January 31, 2025.
Oxygen, dissolved [DO]: 1 limit, 164 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 0 limits, 164 violations of any kind, 0 effluent exceedances.
Solids, total dissolved: 1 limit, 151 violations of any kind, 0 effluent exceedances.
Conductivity: 1 limit, 150 violations of any kind, 0 effluent exceedances.
Salinity: 1 limit, 150 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 1 limit, 150 violations of any kind, 0 effluent exceedances.
Chloride [as Cl]: 1 limit, 150 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 1 limit, 150 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 1 limit, 150 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 0 limits, 150 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 0 limits, 150 violations of any kind, 0 effluent exceedances.
Cyanide, total [as CN]: 0 limits, 150 violations of any kind, 0 effluent exceedances.
Fluoride, total [as F]: 0 limits, 150 violations of any kind, 0 effluent exceedances.
Iron, total [as Fe]: 0 limits, 150 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 0 limits, 150 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 0 limits, 150 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 1 limit, 106 violations of any kind, 0 effluent exceedances.
Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia): 0 limits, 45 violations of any kind, 0 effluent exceedances.
Turbidity: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Arsenic, total [as As]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

May 21, 2026: Evaluation (S).

Other permits held by Cape Fear Public Utility Authority

SWEENEY WTP, Wilmington: NC0002879, issued January 26, 2018
WILMINGTON SOUTHSIDE WWTP, Wilmington: NC0023973, issued February 7, 2018
CFPUA NORTHERN REGIONAL PS & FM - PHASE A, Wilmington: NCC233741, issued April 1, 2024
CFPUA NORTHERN REGIONAL PUMP STATION AND FORCE MAIN B, Wilmington: NCC240816, issued April 1, 2024
GREENVIEW AREA EAST FORCE MAIN, Wilmington: NCC250482, issued February 17, 2025
GREENVIEW AREA WEST FORCE MAIN, Wilmington: NCC250496, issued February 17, 2025
NORTHERN NEW HANOVER COUNTY WATER & SEWER MAIN, Castle Hayne: NCC250675, issued March 6, 2025
SOUTHSIDE WASTEWATER TREATMENT PLANT, Wilmington: NCC251794, issued June 19, 2025
CFPUA WATER AND SEWER INTRACOASTAL WATERWAY CROSSING & EASTWOOD ROAD INTERC, Wilmington: NCC253572, issued November 25, 2025
RIVER ROAD BOOSTER PUMP STATION & WATERLINE INTERCONNECTION, Wilmington: NCC260469, issued March 10, 2026

Other permits in Wilmington

113 HOLLY BERRY COURT FOR PRESERVATION POINT LOT 18, Wilmington: NCC262006, minor permit, permit term to March 31, 2029
136 STONES THROW WAY FOR STONES THROW LOT 51R, Wilmington: NCC260835, minor permit, permit term to March 31, 2029
142 SWITCHYARD, Wilmington: NCC253243, minor permit, permit term to March 31, 2029
1636 OSPREY COVE COURT, WILMINGTON, NC 28401, Wilmington: NCC215576, minor permit, permit term to March 31, 2029
1920 S. TERMINAL ROAD, Wilmington: NCC260927, minor permit, permit term to March 31, 2029
2508 SHANDY LANE, Wilmington: NCC222251, minor permit, permit term to March 31, 2029
2700 OLD WRIGHTSBORO ROAD, Wilmington: NCC253706, minor permit, permit term to March 31, 2029
4050 CHAPRA DRIVE SAMSARA ESTATES, Wilmington: NCC221179, minor permit, permit term to March 31, 2029
421 BUSINESS PARK, Wilmington: NCC230454, minor permit, permit term to March 31, 2029
6800 CAROLINA BEACH ROAD, Wilmington: NCC241286, minor permit, permit term to March 31, 2029

Identity

Facility as filed	RICHARDSON WTP
Permittee as filed	Cape Fear Public Utility Authority
NPDES ID	NC0088307
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 5, 2018
Expiration date	January 31, 2023
Address	Wilmington, NC 28411
NAICS	221310 – Water Supply and Irrigation Systems
SIC	4941 – Water Supply

Effluent limits and exceedances

22Pollutants on file
13Under a numeric limit
20With a violation of any kind
2With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	2	184	16	June 30, 2011	241% over the limit
pH	2	113	7	January 31, 2025
Oxygen, dissolved [DO]	1	164	0
Temperature, water deg. centigrade	0	164	0
Solids, total dissolved	1	151	0
Conductivity	1	150	0
Salinity	1	150	0
Nitrogen, ammonia total [as N]	1	150	0
Chloride [as Cl]	1	150	0
Copper, total [as Cu]	1	150	0
Zinc, total [as Zn]	1	150	0
Nitrogen, total [as N]	0	150	0
Phosphorus, total [as P]	0	150	0
Cyanide, total [as CN]	0	150	0
Fluoride, total [as F]	0	150	0
Iron, total [as Fe]	0	150	0
Lead, total [as Pb]	0	150	0
Chlorine, total residual	0	150	0
Flow, in conduit or thru treatment plant	1	106	0
Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)	0	45	0
Turbidity	1	0	0
Arsenic, total [as As]	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES NC0088307.

Inspections

Date	What EPA recorded	Agency
May 21, 2026	Evaluation	S

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES NC0088307.

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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers the Clean Water Act discharge permit NPDES NC0088307 for RICHARDSON WTP in Wilmington, NC, held by Cape Fear Public Utility Authority, which is listed as administratively continued. The page lists 22 pollutants on file, 13 under a numeric limit, 20 with a violation of any kind, and 2 with an effluent exceedance.