Clean Water Act discharge permit · NPDES NC0000396
ASHEVILLE COMBINED CYCLE PLANT, Arden, NC: NPDES NC0000396 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
ASHEVILLE COMBINED CYCLE PLANT, held by Duke Energy Progress LLC, holds NPDES permit NC0000396. EPA’s file records it issued February 11, 2022 and expiring November 30, 2023. 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 | ASHEVILLE COMBINED CYCLE PLANT |
|---|---|
| Permittee as filed | Duke Energy Progress LLC |
| NPDES ID | NC0000396 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 11, 2022 |
| Expiration date | November 30, 2023 |
| Address | Arden, NC 28704 |
| Subwatershed | Cove Creek-Green River (HUC 030501050103) |
| NAICS | 221112 – Fossil Fuel Electric Power Generation |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler NCD000830638; ICIS-AIR source NCBUN0003702100628 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 29Pollutants on file
- 29Under a numeric limit
- 18With a violation of any kind
- 3With 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 | 12 | 2 | 2 | June 30, 2024 | 63% over the limit |
| Oil & Grease | 10 | 1 | 1 | August 31, 2010 | 3% over the limit |
| pH | 4 | 1 | 1 | January 31, 2022 | |
| Mercury, total [as Hg] | 3 | 75 | 0 | ||
| Flow, in conduit or thru treatment plant | 7 | 4 | 0 | ||
| Temperature, water deg. centigrade | 4 | 4 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| Chromium, total [as Cr] | 4 | 2 | 0 | ||
| Turbidity | 3 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 3 | 2 | 0 | ||
| Arsenic, total [as As] | 3 | 2 | 0 | ||
| Selenium, total [as Se] | 3 | 2 | 0 | ||
| Solids, total dissolved | 3 | 2 | 0 | ||
| Bromide [as Br] | 3 | 2 | 0 | ||
| Cadmium, dissolved [as Cd] | 2 | 2 | 0 | ||
| Copper, dissolved [as Cu] | 2 | 2 | 0 | ||
| Lead, dissolved [as Pb] | 2 | 2 | 0 | ||
| Zinc, dissolved [as Zn] | 2 | 2 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Chloride [as Cl] | 1 | 0 | 0 | ||
| Fluoride, total [as F] | 1 | 0 | 0 | ||
| Beryllium, total [as Be] | 1 | 0 | 0 | ||
| Cadmium, total [as Cd] | 1 | 0 | 0 | ||
| Lead, total [as Pb] | 1 | 0 | 0 | ||
| Nickel, total [as Ni] | 1 | 0 | 0 | ||
| Silver, total [as Ag] | 1 | 0 | 0 | ||
| Zinc, total [as Zn] | 1 | 0 | 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 NC0000396.
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.
Watch this permit
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Start the watch
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How we handle your data → Privacy
EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID NC0000396 there.
Nearby on the register
- Discharge permits in Arden
- Every permit record in Arden, 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.