Clean Water Act discharge permit · NPDES AL0050938
CALERA POLLUTION CONTROL PLANT, Calera, AL: NPDES AL0050938 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
CALERA POLLUTION CONTROL PLANT, held by City of Calera, holds NPDES permit AL0050938. EPA’s file records it issued January 27, 2022 and expiring January 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CALERA POLLUTION CONTROL PLANT |
|---|---|
| Permittee as filed | City of Calera |
| NPDES ID | AL0050938 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 27, 2022 |
| Expiration date | January 31, 2027 |
| Issuing agency | State |
| Address | Calera, AL 35040 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Buxahatchee Creek (HUC 031501070405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 18Under a numeric limit
- 17With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 13 | 66 | 38 | July 31, 2026 | 2,498% over the limit |
| Nitrogen, ammonia total [as N] | 9 | 78 | 34 | July 31, 2026 | 973% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 13 | 105 | 8 | July 31, 2021 | 5,517% over the limit |
| Solids, total suspended | 9 | 104 | 8 | January 31, 2006 | 87% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 5 | 36 | 4 | November 30, 2009 | 244% over the limit |
| E. coli | 5 | 13 | 1 | August 31, 2015 | 58% over the limit |
| Oxygen, dissolved [DO] | 1 | 13 | 1 | February 28, 2006 | 27% over the limit |
| Nitrite + Nitrate total [as N] | 5 | 52 | 0 | ||
| pH | 4 | 32 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 30 | 0 | ||
| Coliform, fecal general | 0 | 16 | 0 | ||
| Solids, suspended percent removal | 1 | 12 | 0 | ||
| Chlorine, total residual | 2 | 9 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 8 | 0 | ||
| Mercury, total recoverable | 2 | 6 | 0 | ||
| Oil and grease | 0 | 3 | 0 | ||
| Oil & Grease | 1 | 1 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 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 AL0050938.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| May 20, 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
| Date | What EPA recorded | Agency |
|---|---|---|
| October 26, 2026 | Notice of Violation | State |
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AL0050938.
Start the watch
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- One watershed — $2,990/year
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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 AL0050938 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.