Clean Water Act discharge permit · NPDES AL0003140
E.C. GASTON STEAM ELECTRIC PLANT, Wilsonville, AL: NPDES AL0003140 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 36Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
E.C. GASTON STEAM ELECTRIC PLANT, held by Alabama Power Company, holds NPDES permit AL0003140. EPA’s file records it issued April 1, 2020 and expiring March 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | E.C. GASTON STEAM ELECTRIC PLANT |
|---|---|
| Permittee as filed | Alabama Power Company |
| NPDES ID | AL0003140 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 1, 2020 |
| Expiration date | March 31, 2025 |
| Address | Wilsonville, AL 35186 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Yellowleaf Creek (HUC 031501070205) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 41Pollutants on file
- 36Under a numeric limit
- 14With a violation of any kind
- 5With 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 | 9 | 3 | 3 | September 30, 2021 | 133% over the limit |
| Copper, dissolved [as Cu] | 0 | 4 | 2 | October 31, 2010 | 2,710% over the limit |
| Iron, dissolved [as Fe] | 0 | 4 | 2 | October 31, 2010 | 626,900% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 2 | 2 | August 31, 2021 | 293% over the limit |
| Phosphorus, total [as P] | 10 | 1 | 1 | September 30, 2020 | 64% over the limit |
| Flow, in conduit or thru treatment plant | 19 | 6 | 0 | ||
| Chlorine, free available | 4 | 6 | 0 | ||
| Temperature, water deg. fahrenheit | 16 | 2 | 0 | ||
| pH | 14 | 2 | 0 | ||
| Chlorination duration | 4 | 2 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Chromium, total recoverable | 0 | 2 | 0 | ||
| Chlorine, total residual | 9 | 1 | 0 | ||
| Oil and grease | 0 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 10 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 8 | 0 | 0 | ||
| Chromium, total [as Cr] | 8 | 0 | 0 | ||
| Zinc, total [as Zn] | 8 | 0 | 0 | ||
| Oil & Grease | 7 | 0 | 0 | ||
| Copper, total [as Cu] | 6 | 0 | 0 | ||
| Selenium, total [as Se] | 6 | 0 | 0 | ||
| Mercury, total [as Hg] | 6 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 5 | 0 | 0 | ||
| Turbidity | 4 | 0 | 0 | ||
| Nitrogen, organic total [as N] | 4 | 0 | 0 | ||
| Cadmium, total [as Cd] | 4 | 0 | 0 | ||
| Lead, total [as Pb] | 4 | 0 | 0 | ||
| Nickel, total [as Ni] | 4 | 0 | 0 | ||
| Arsenic, trivalent dissolved | 4 | 0 | 0 | ||
| Priority Pollutants | 4 | 0 | 0 | ||
| Solids, total dissolved | 4 | 0 | 0 | ||
| Iron, total [as Fe] | 4 | 0 | 0 | ||
| E. coli | 3 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 2 | 0 | 0 | ||
| Arsenic, total [as As] | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 2 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 0 | 0 | ||
| Annual Certification Statement | 1 | 0 | 0 | ||
| Semiannual Certification Statement | 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 AL0003140.
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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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 AL0003140 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.