Clean Water Act discharge permit · NPDES AL0054631
WALNUT CREEK WWTP, Clanton, AL: NPDES AL0054631 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 19Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
WALNUT CREEK WWTP, held by City of Clanton, holds NPDES permit AL0054631. EPA’s file records it issued August 27, 2020 and expiring August 31, 2025. 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 | WALNUT CREEK WWTP |
|---|---|
| Permittee as filed | City of Clanton |
| NPDES ID | AL0054631 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 27, 2020 |
| Expiration date | August 31, 2025 |
| Address | Clanton, AL 35046 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Walnut Creek (HUC 031501070802) |
| 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
- 19Under a numeric limit
- 10With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Copper, total recoverable | 2 | 26 | 26 | October 31, 2017 | 288% over the limit |
| Nickel, total recoverable | 2 | 10 | 10 | September 30, 2018 | 295% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 5 | 5 | April 30, 2019 | 29% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 1 | 2 | 2 | February 28, 2007 | 99,999% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 1 | 2 | 2 | November 30, 2005 | 99,999% over the limit |
| Solids, total suspended | 10 | 1 | 1 | August 31, 2008 | 1,320% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 10 | 1 | 1 | October 31, 2003 | 20% over the limit |
| Zinc, total recoverable | 2 | 2 | 0 | ||
| Mercury, total recoverable | 0 | 2 | 0 | ||
| Chlorine, total residual | 2 | 1 | 0 | ||
| pH | 6 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 6 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 6 | 0 | 0 | ||
| Phosphorus, total [as P] | 6 | 0 | 0 | ||
| E. coli | 6 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 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 AL0054631.
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
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- Every permit record in Clanton, A to Z
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- Every permit record in Alabama, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.