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Bituminous Coal And Lignite - Surface, Clearfield, Pennsylvania. NPDES permit PA0237922, in force until Jun 24, 2028. Last 12 months: over a limit 2 times (last March 2026), 126 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | pH, instantaneous minimum | 4.54 SU | ≥ 6 SU | — |
| March 2026 | Manganese, total [as Mn], monthly average | 2.115 mg/L | ≤ 2 mg/L | 6% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | instantaneous maximum | report only (deg C) | all year | 010 |
| Temperature, water deg. centigrade | instantaneous maximum | report only (deg C) | all year | 010 |
| Specific conductance | instantaneous maximum | report only (umho/cm) | all year | 010 |
| Specific conductance | instantaneous maximum | report only (umho/cm) | all year | 010 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 010 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 010 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 010 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 010 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 010 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 010 |
| Acidity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 010 |
| Acidity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 010 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 010 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 010 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 010 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 010 |
| Solids, total suspended | instantaneous maximum | ≤ 90 mg/L | all year | 010 |
| Solids, total suspended | instantaneous maximum | ≤ 90 mg/L | all year | 010 |
| Sulfate, total [as SO4] | instantaneous maximum | report only (mg/L) | all year | 010 |
| Sulfate, total [as SO4] | instantaneous maximum | report only (mg/L) | all year | 010 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 010 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 010 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 010 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 010 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 7 mg/L | all year | 010 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 7 mg/L | all year | 010 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 010 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 010 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 010 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 010 |
| Manganese, total [as Mn] | instantaneous maximum | ≤ 5 mg/L | all year | 010 |
| Manganese, total [as Mn] | instantaneous maximum | ≤ 5 mg/L | all year | 010 |
| Aluminum, total [as Al] | monthly average | ≤ 2 mg/L | all year | 010 |
| Aluminum, total [as Al] | monthly average | ≤ 2 mg/L | all year | 010 |
| Aluminum, total [as Al] | daily maximum | ≤ 4 mg/L | all year | 010 |
| Aluminum, total [as Al] | daily maximum | ≤ 4 mg/L | all year | 010 |
| Aluminum, total [as Al] | instantaneous maximum | ≤ 5 mg/L | all year | 010 |
| Aluminum, total [as Al] | instantaneous maximum | ≤ 5 mg/L | all year | 010 |
| Flow, in conduit or thru treatment plant | instantaneous maximum | report only (gal/min) | all year | 010 |
| Flow, in conduit or thru treatment plant | instantaneous maximum | report only (gal/min) | all year | 010 |
| Alkalinity - Acidity [as CaCO3] | instantaneous minimum | ≥ 0 mg/L | all year | 010 |
| Alkalinity - Acidity [as CaCO3] | instantaneous minimum | ≥ 0 mg/L | all year | 010 |
| Temperature, water deg. centigrade | instantaneous maximum | report only (deg C) | all year | 011 |
| Temperature, water deg. centigrade | instantaneous maximum | report only (deg C) | all year | 011 |
| Specific conductance | instantaneous maximum | report only (umho/cm) | all year | 011 |
| Specific conductance | instantaneous maximum | report only (umho/cm) | all year | 011 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 011 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 011 |
| pH | instantaneous maximum | ≤ 10 SU | all year | 011 |
| pH | instantaneous maximum | ≤ 10 SU | all year | 011 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Alkalinity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Acidity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Acidity, total [as CaCO3] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 011 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 011 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 011 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 011 |
| Solids, total suspended | instantaneous maximum | ≤ 90 mg/L | all year | 011 |
| Solids, total suspended | instantaneous maximum | ≤ 90 mg/L | all year | 011 |
| Sulfate, total [as SO4] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Sulfate, total [as SO4] | instantaneous maximum | report only (mg/L) | all year | 011 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 011 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 011 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 011 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 011 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 7 mg/L | all year | 011 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 7 mg/L | all year | 011 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 011 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 011 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 011 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 011 |
| Manganese, total [as Mn] | instantaneous maximum | ≤ 5 mg/L | all year | 011 |
| Manganese, total [as Mn] | instantaneous maximum | ≤ 5 mg/L | all year | 011 |
| Aluminum, total [as Al] | monthly average | ≤ 2 mg/L | all year | 011 |
| Aluminum, total [as Al] | monthly average | ≤ 2 mg/L | all year | 011 |
| Aluminum, total [as Al] | daily maximum | ≤ 4 mg/L | all year | 011 |
| Aluminum, total [as Al] | daily maximum | ≤ 4 mg/L | all year | 011 |
| Aluminum, total [as Al] | instantaneous maximum | ≤ 5 mg/L | all year | 011 |
| Aluminum, total [as Al] | instantaneous maximum | ≤ 5 mg/L | all year | 011 |
| Flow, in conduit or thru treatment plant | instantaneous maximum | report only (gal/min) | all year | 011 |
| Flow, in conduit or thru treatment plant | instantaneous maximum | report only (gal/min) | all year | 011 |
| Alkalinity - Acidity [as CaCO3] | instantaneous minimum | ≥ 0 mg/L | all year | 011 |
| Alkalinity - Acidity [as CaCO3] | instantaneous minimum | ≥ 0 mg/L | all year | 011 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 351 Coal Mining permits in Pennsylvania.
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