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Metal Ores, major discharger, Maxville, Florida. NPDES permit FL0040274, in force until Jan 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 001 |
| Iron, total recoverable | daily maximum | ≤ 1 mg/L | all year | 001 |
| Iron, total recoverable | monthly average | ≤ 1 mg/L | all year | 001 |
| Silver total recoverable | maximum | report only (ug/L) | all year | 001 |
| Cadmium, total recoverable | maximum | report only (ug/L) | all year | 001 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 001 |
| Radium 226 + radium 228, total | daily maximum | ≤ 5 pCi/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 10 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | annual average | ≤ 4 MGD | all year | 001 |
| Mercury, total recoverable | maximum | report only (ug/L) | all year | 001 |
| Alpha, gross particle activity | daily maximum | ≤ 15 pCi/L | all year | 001 |
| IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | ≥ 100 % | all year | 001 |
| IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | ≥ 100 % | all year | 001 |
| IC25 Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | ≥ 100 % | all year | 001 |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 001 |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 001 |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 001 |
| Turbidity | maximum | report only (NTU) | all year | 002 |
| Turbidity | maximum | report only (NTU) | all year | 002 |
| Turbidity | maximum | report only (NTU) | all year | 002 |
| Turbidity | maximum | ≤ 0 NTU | all year | 002 |
| pH | daily minimum | report only (SU) | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| pH | daily minimum | report only (SU) | all year | 002 |
| pH | daily maximum | report only (SU) | 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 |
| Iron, total recoverable | daily maximum | ≤ 1 mg/L | all year | 002 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Silver total recoverable | maximum | report only (ug/L) | all year | 002 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 002 |
| Radium 226 + radium 228, total | daily maximum | ≤ 5 pCi/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 | daily maximum | report only (MGD) | all year | 002 |
| Mercury, total recoverable | maximum | report only (ug/L) | all year | 002 |
| Alpha, gross particle activity | daily maximum | ≤ 15 pCi/L | all year | 002 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 002 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 002 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 002 |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year | 002 |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year | 002 |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year | 002 |
| Turbidity | maximum | report only (NTU) | all year | 003 |
| Turbidity | maximum | report only (NTU) | all year | 003 |
| Turbidity | maximum | report only (NTU) | all year | 003 |
| Turbidity | maximum | ≤ 0 NTU | all year | 003 |
| pH | daily minimum | report only (SU) | all year | 003 |
| pH | daily maximum | report only (SU) | all year | 003 |
| pH | daily minimum | report only (SU) | all year | 003 |
| pH | daily maximum | report only (SU) | 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 |
| Iron, total recoverable | daily maximum | ≤ 1 mg/L | all year | 003 |
| Silver total recoverable | maximum | report only (ug/L) | all year | 003 |
| Cadmium, total recoverable | maximum | report only (ug/L) | all year | 003 |
| Lead, total recoverable | maximum | report only (ug/L) | all year | 003 |
| Radium 226 + radium 228, total | daily maximum | ≤ 5 pCi/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 | daily maximum | ≤ 5 MGD | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 10 MGD | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Mercury, total recoverable | maximum | report only (ug/L) | all year | 003 |
| Alpha, gross particle activity | daily maximum | ≤ 15 pCi/L | all year | 003 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 003 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 003 |
| LC50 Static Renewal 96Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 003 |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year | 003 |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year | 003 |
| LC50 Static Renewal 96Hr Acute Cyprinella leedsi | minimum | ≥ 100 % | all year | 003 |
Cited limits by parameter: Florida's rules and the federal ones.
Same industry: the 5 Metal Mining permits in Florida.
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