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Blast Furnaces And Steel Mills, Tuscaloosa, Alabama. NPDES permit AL0054941, in force until Sep 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | daily minimum | report only (SU) | all year | 005 |
| pH | daily maximum | report only (SU) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Temperature, water deg. fahrenheit | daily maximum | = 90 deg F | all year | 006 |
| pH | daily minimum | ≥ 6 SU | all year | 006 |
| pH | daily maximum | ≤ 8.5 SU | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Oil & Grease | daily maximum | = 15 mg/L | all year | 006 |
| Oil & Grease | daily maximum | = 15 mg/L | all year | 006 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 006 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 006 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 007 |
| pH | daily minimum | ≥ 6 SU | all year | 007 |
| pH | daily maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 007 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 007 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 007 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 007 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 007 |
| pH | daily minimum | report only (SU) | all year | 011 |
| pH | daily maximum | report only (SU) | all year | 011 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 011 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 011 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 011 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 011 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 011 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| pH | daily minimum | report only (SU) | all year | 012 |
| pH | daily maximum | report only (SU) | all year | 012 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 012 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 012 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 012 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 012 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 012 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 23 Primary Metal Industries permits in Alabama.
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On EPA ECHO: Facility report · DMR history
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