Clean Water Act discharge permit · NPDES NC0023736
GUNPOWDER CREEK WWTP, Hudson, NC: NPDES NC0023736 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
GUNPOWDER CREEK WWTP, held by City of Lenoir, holds NPDES permit NC0023736. EPA’s file records it issued March 2, 2021 and expiring March 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GUNPOWDER CREEK WWTP |
|---|---|
| Permittee as filed | City of Lenoir |
| NPDES ID | NC0023736 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 2, 2021 |
| Expiration date | March 31, 2026 |
| Address | Hudson, NC 28638 |
| Subwatershed | Town of Startown-South Fork Catawba River (HUC 030501020403) |
| Program components on file | POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 20Pollutants on file
- 16Under a numeric limit
- 20With a violation of any kind
- 13With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 49 | 45 | October 31, 2021 | 1,114% over the limit |
| Solids, total suspended | 3 | 73 | 30 | April 30, 2019 | 140% over the limit |
| Coliform, fecal MF, MFC agar, 44.5 C, 24hr | 6 | 157 | 19 | September 30, 2015 | 4,378% over the limit |
| Cadmium, total [as Cd] | 0 | 13 | 7 | July 31, 2012 | 695% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 47 | 4 | June 30, 2015 | 164% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 45 | 4 | February 28, 2021 | 10% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 6 | 24 | 4 | September 30, 2025 | 251% over the limit |
| Chlorine, total residual | 1 | 6 | 3 | July 31, 2016 | 79% over the limit |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 3 | 3 | September 30, 2011 | |
| pH | 6 | 16 | 2 | September 30, 2022 | |
| Zinc, total [as Zn] | 2 | 6 | 2 | August 31, 2025 | 136% over the limit |
| Lead, total [as Pb] | 2 | 5 | 1 | August 31, 2025 | 216% over the limit |
| Selenium, total [as Se] | 0 | 1 | 1 | January 31, 2011 | 127% over the limit |
| Nitrogen, total [as N] | 3 | 18 | 0 | ||
| Phosphorus, total [as P] | 3 | 17 | 0 | ||
| Temperature, water deg. centigrade | 5 | 11 | 0 | ||
| Conductivity | 5 | 11 | 0 | ||
| Oxygen, dissolved [DO] | 5 | 11 | 0 | ||
| Copper, total [as Cu] | 1 | 9 | 0 | ||
| Cyanide, total [as CN] | 0 | 8 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES NC0023736.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Nearby on the register
- Discharge permits in Hudson
- Every permit record in Hudson, A to Z
- Discharge permits in North Carolina
- Every permit record in North Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.