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Bituminous Coal And Lignite - Surface, Macksburg, Ohio. NPDES permit OH0134970 expired Oct 31, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (gal/d) | all year | 002 |
| Flow rate | daily maximum | report only (gal/d) | all year | 002 |
| Specific conductance | monthly average | report only (umho/cm) | all year | 002 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 002 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 002 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 002 |
| Rainfall | monthly average | report only (in) | all year | 002 |
| Rainfall | daily maximum | report only (in) | all year | 002 |
| Flow rate | monthly average | report only (gal/d) | all year | 004 |
| Flow rate | daily maximum | report only (gal/d) | all year | 004 |
| Specific conductance | monthly average | report only (umho/cm) | all year | 004 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | 004 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 004 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 004 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 004 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 004 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 004 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 004 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 004 |
| Rainfall | monthly average | report only (in) | all year | 004 |
| Rainfall | daily maximum | report only (in) | all year | 004 |
| Flow rate | monthly average | report only (gal/d) | all year | 102 |
| Flow rate | daily maximum | report only (gal/d) | all year | 102 |
| Specific conductance | monthly average | report only (umho/cm) | all year | 102 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | 102 |
| pH | daily minimum | report only (SU) | all year | 102 |
| pH | daily maximum | report only (SU) | all year | 102 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 102 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 102 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 102 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 102 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 102 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 102 |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | 102 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 102 |
| Rainfall | monthly average | report only (in) | all year | 102 |
| Rainfall | daily maximum | report only (in) | all year | 102 |
| Flow rate | monthly average | report only (gal/d) | all year | 104 |
| Flow rate | daily maximum | report only (gal/d) | all year | 104 |
| Specific conductance | monthly average | report only (umho/cm) | all year | 104 |
| Specific conductance | daily maximum | report only (umho/cm) | all year | 104 |
| pH | daily minimum | report only (SU) | all year | 104 |
| pH | daily maximum | report only (SU) | all year | 104 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 104 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 104 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 104 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 104 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 104 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 104 |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | 104 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 104 |
| Rainfall | monthly average | report only (in) | all year | 104 |
| Rainfall | daily maximum | report only (in) | all year | 104 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 38 Coal Mining permits in Ohio.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OH0134970 · MCP: https://passage-data.com/mcp