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Coal Mining Services, Owensville, Indiana. NPDES permit IN0064157, in force until Jan 31, 2029. Last 12 months: over a limit 2 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| August 2026 | Iron, total recoverable, daily maximum | 4.69 mg/L | ≤ 4.1 mg/L | 14% |
| August 2026 | Iron, total recoverable, monthly average | 4.69 mg/L | ≤ 2.4 mg/L | 95% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 003 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 003 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 003 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 003 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 003 |
| Iron, total recoverable | monthly average | ≤ 2.4 mg/L | all year | 003 |
| Iron, total recoverable | monthly average | ≤ 2.4 mg/L | all year | 003 |
| Iron, total recoverable | monthly average | ≤ 2.4 mg/L | all year | 003 |
| Iron, total recoverable | daily maximum | ≤ 4.1 mg/L | all year | 003 |
| Iron, total recoverable | daily maximum | ≤ 4.1 mg/L | all year | 003 |
| Iron, total recoverable | daily maximum | ≤ 4.1 mg/L | all year | 003 |
| Duration | monthly total | report only (d/mo) | all year | 003 |
| Duration | monthly total | report only (d/mo) | 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 | 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 |
| 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 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 003 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 003 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 003 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 003 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 003 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 003 |
| Oxygen, dissolved [DO] | daily average minimum | ≥ 6 mg/L | May–Nov | 005 |
| Oxygen, dissolved [DO] | daily average minimum | ≥ 5 mg/L | Jan, Feb, Mar, Apr, Dec | 005 |
| pH | daily minimum | ≥ 6 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | all year | 005 |
| Solids, total suspended | maximum weekly average | ≤ 18 mg/L | all year | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.1 mg/L | May–Nov | 005 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Jan, Feb, Mar, Apr, Dec | 005 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 1.6 mg/L | May–Nov | 005 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 2.4 mg/L | Jan, Feb, Mar, Apr, Dec | 005 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | maximum weekly average | report only (MGD) | all year | 005 |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct | 005 |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct | 005 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 005 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 15 mg/L | all year | 005 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 005 |
| pH | daily minimum | ≥ 6 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 006 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006 |
| Chloride [as Cl] | monthly average | ≤ 360 mg/L | all year | 006 |
| Chloride [as Cl] | daily maximum | ≤ 730 mg/L | all year | 006 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 006 |
| Iron, total recoverable | monthly average | ≤ 2.4 mg/L | all year | 006 |
| Iron, total recoverable | daily maximum | ≤ 4.1 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, augmented water | monthly average | report only (MGD) | all year | 006 |
| Flow, augmented water | daily maximum | report only (MGD) | all year | 006 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 006 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 103 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 103 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 103 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 103 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 103 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 103 |
| Flow, augmented water | monthly average | report only (MGD) | all year | 103 |
| Flow, augmented water | daily maximum | report only (MGD) | all year | 103 |
| pH | daily minimum | ≥ 6 SU | all year | 106 |
| pH | daily maximum | ≤ 9 SU | all year | 106 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 106 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 106 |
| Iron, total recoverable | monthly average | ≤ 3 mg/L | all year | 106 |
| Iron, total recoverable | daily maximum | ≤ 6 mg/L | all year | 106 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 106 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 106 |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 38 Coal Mining permits in Indiana.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IN0064157 · MCP: https://passage-data.com/mcp