Clean Water Act discharge permit · NPDES AL0079901
OUTOKUMPU STAINLESS USA, LLC - CALVERT MILL, Calvert, AL: NPDES AL0079901 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 36Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
OUTOKUMPU STAINLESS USA, LLC - CALVERT MILL, held by Outokumpu Stainless USA, LLC, holds NPDES permit AL0079901. EPA’s file records it issued March 31, 2022 and expiring March 31, 2027. 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 | OUTOKUMPU STAINLESS USA, LLC - CALVERT MILL |
|---|---|
| Permittee as filed | Outokumpu Stainless USA, LLC |
| NPDES ID | AL0079901 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 31, 2022 |
| Expiration date | March 31, 2027 |
| Issuing agency | State |
| Address | Calvert, AL 36513 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Alabama River Cutoff-Tombigbee River (HUC 031602031103) |
| Program components on file | POTW, Pretreatment |
| NAICS | 331221 – Rolled Steel Shape Manufacturing |
| SIC | 3312 – Blast Furnaces And Steel Mills |
| Other EPA IDs (FRS) | RCRA handler ALR000047746; ICIS-AIR source AL0000000109700106 |
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
- 37Pollutants on file
- 36Under a numeric limit
- 35With 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 |
|---|---|---|---|---|---|
| Chromium, hexavalent tot recoverable | 2 | 32 | 6 | February 28, 2011 | 500% over the limit |
| Naphthalene | 2 | 81 | 3 | December 31, 2011 | 614% over the limit |
| Toxicity [acute], Ceriodaphnia dubia | 1 | 3 | 3 | September 30, 2021 | 2,147,483,650% over the limit |
| Tetrachloroethylene | 2 | 79 | 1 | December 31, 2011 | 33% over the limit |
| Coliform, fecal general | 0 | 1 | 1 | April 30, 2014 | 120% over the limit |
| Flow, in conduit or thru treatment plant | 8 | 132 | 0 | ||
| pH | 8 | 106 | 0 | ||
| Solids, total suspended | 6 | 105 | 0 | ||
| Oil & Grease | 5 | 92 | 0 | ||
| Chromium, total [as Cr] | 4 | 79 | 0 | ||
| Lead, total [as Pb] | 4 | 79 | 0 | ||
| Nickel, total [as Ni] | 4 | 79 | 0 | ||
| Zinc, total [as Zn] | 4 | 79 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 30 | 0 | ||
| E. coli | 4 | 26 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 26 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 26 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 26 | 0 | ||
| Arsenic, total recoverable | 2 | 26 | 0 | ||
| Nickel, total recoverable | 2 | 26 | 0 | ||
| Zinc, total recoverable | 2 | 26 | 0 | ||
| Lead, total recoverable | 2 | 26 | 0 | ||
| Chromium, total recoverable | 2 | 26 | 0 | ||
| Copper, total recoverable | 2 | 26 | 0 | ||
| Antimony, total recoverable | 2 | 26 | 0 | ||
| Phenols | 2 | 26 | 0 | ||
| Chlorine, total residual | 2 | 26 | 0 | ||
| Cyanide, free available | 2 | 26 | 0 | ||
| Solids, total dissolved [TDS] | 2 | 26 | 0 | ||
| Mercury, total recoverable | 2 | 26 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 2 | 26 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 16 | 0 | ||
| Phosphorus, total [as P] | 1 | 8 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 1 | 0 | ||
| Mercury, total [as Hg] | 1 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Toxicity [acute], 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 AL0079901.
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 AL0079901 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.