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Metal Ores, Centre, Alabama. NPDES permit AL0075264, in force until Jan 20, 2031. Last 12 months: over a limit 4 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| March 2026 | 002 | Aluminum, total [as Al], monthly average | 1.1 | ≤ 1 mg/L | 10% |
| March 2026 | 002 | Iron, total [as Fe], monthly average | .889 | ≤ .5 mg/L | 78% |
| March 2026 | 003 | Aluminum, total [as Al], monthly average | 1.351 | ≤ 1 mg/L | 35% |
| March 2026 | 003 | Iron, total [as Fe], monthly average | .732 | ≤ .5 mg/L | 46% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ .5 mg/L | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ .5 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 002 |
| Aluminum, total [as Al] | monthly average | ≤ 1 mg/L | all year | 002 |
| Aluminum, total [as Al] | monthly average | ≤ 1 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 8.5 SU | all year | 003 |
| pH | daily maximum | ≤ 8.5 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 003 |
| Iron, total [as Fe] | monthly average | ≤ .5 mg/L | all year | 003 |
| Iron, total [as Fe] | monthly average | ≤ .5 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 1 mg/L | all year | 003 |
| Aluminum, total [as Al] | monthly average | ≤ 1 mg/L | all year | 003 |
| Aluminum, total [as Al] | monthly average | ≤ 1 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 9 Metal Mining permits in Alabama.
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On EPA ECHO: Facility report · DMR history
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