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Bituminous Coal And Lignite - Surface, Lynnville, Indiana. NPDES permit ING040231, in force until Jun 30, 2028. 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 | 015 |
| pH | daily maximum | ≤ 9 SU | all year | 015 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 015 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 015 |
| Solids, settleable | daily average | report only (mL/L) | all year | 015 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 015 |
| Iron, total [as Fe] | daily average | ≤ 3 mg/L | all year | 015 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 015 |
| Duration | monthly total | report only (d/mo) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 015 |
| pH | daily minimum | ≥ 6 SU | all year | 018 |
| pH | daily minimum | ≥ 6 SU | Mar, Jun, Sep, Dec | 018 |
| pH | daily maximum | ≤ 9 SU | all year | 018 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Sep, Dec | 018 |
| Solids, settleable | daily average | report only (mL/L) | all year | 018 |
| Solids, settleable | daily average | report only (mL/L) | Mar, Jun, Sep, Dec | 018 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 018 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | Mar, Jun, Sep, Dec | 018 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 018 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | Mar, Jun, Sep, Dec | 018 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 018 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Mar, Jun, Sep, Dec | 018 |
| pH | daily minimum | ≥ 6 SU | all year | 025 |
| pH | daily maximum | ≤ 9 SU | all year | 025 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 025 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 025 |
| Solids, settleable | daily average | report only (mL/L) | all year | 025 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 025 |
| Iron, total [as Fe] | daily average | ≤ 3 mg/L | all year | 025 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 025 |
| Duration | monthly total | report only (d/mo) | all year | 025 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 025 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 025 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 025 |
| pH | daily minimum | ≥ 6 SU | all year | 029 |
| pH | daily maximum | ≤ 9 SU | all year | 029 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 029 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 029 |
| Solids, settleable | daily average | report only (mL/L) | all year | 029 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 029 |
| Iron, total [as Fe] | daily average | ≤ 3 mg/L | all year | 029 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 029 |
| Duration | monthly total | report only (d/mo) | all year | 029 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 029 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 029 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 029 |
| pH | daily minimum | ≥ 6 SU | all year | 034 |
| pH | daily minimum | ≥ 6 SU | all year | 034 |
| pH | daily maximum | ≤ 9 SU | all year | 034 |
| pH | daily maximum | ≤ 9 SU | all year | 034 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 034 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 034 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 034 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 034 |
| Solids, settleable | daily average | report only (mL/L) | all year | 034 |
| Solids, settleable | daily average | report only (mL/L) | all year | 034 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 034 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 034 |
| Iron, total recoverable | daily average | ≤ 3 mg/L | all year | 034 |
| Iron, total recoverable | daily maximum | ≤ 6 mg/L | all year | 034 |
| Nickel, total recoverable | daily average | report only (mg/L) | all year | 034 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year | 034 |
| Zinc, total recoverable | daily average | report only (mg/L) | all year | 034 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 034 |
| Aluminum, total recoverable | daily average | report only (mg/L) | all year | 034 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 034 |
| Copper, total recoverable | daily average | report only (mg/L) | all year | 034 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 034 |
| Manganese, total recoverable | daily average | ≤ 2 mg/L | all year | 034 |
| Manganese, total recoverable | daily maximum | ≤ 4 mg/L | all year | 034 |
| Duration | monthly total | report only (d/mo) | all year | 034 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 034 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 034 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 034 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 034 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 034 |
| pH | daily minimum | ≥ 6 SU | all year | 087 |
| pH | daily maximum | ≤ 9 SU | all year | 087 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 087 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 087 |
| Solids, settleable | daily average | report only (mL/L) | all year | 087 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 087 |
| Iron, total [as Fe] | daily average | ≤ 3 mg/L | all year | 087 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 087 |
| Duration | monthly total | report only (d/mo) | all year | 087 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 087 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 087 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 087 |
| pH | daily minimum | ≥ 6 SU | all year | 089 |
| pH | daily maximum | ≤ 9 SU | all year | 089 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 089 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 089 |
| Solids, settleable | daily average | report only (mL/L) | all year | 089 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 089 |
| Copper, total [as Cu] | daily average | report only (mg/L) | all year | 089 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 089 |
| Iron, total [as Fe] | daily average | ≤ 3 mg/L | all year | 089 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 089 |
| Manganese, total [as Mn] | daily average | ≤ 2 mg/L | all year | 089 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 089 |
| Nickel, total [as Ni] | daily average | report only (mg/L) | all year | 089 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 089 |
| Zinc, total [as Zn] | daily average | report only (mg/L) | all year | 089 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 089 |
| Aluminum, total [as Al] | daily average | report only (mg/L) | all year | 089 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 089 |
| Duration | monthly total | report only (d/mo) | all year | 089 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 089 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 089 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 089 |
| pH | daily minimum | ≥ 6 SU | all year | 094 |
| pH | daily maximum | ≤ 9 SU | all year | 094 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 094 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 094 |
| Solids, settleable | daily average | report only (mL/L) | all year | 094 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 094 |
| Copper, total [as Cu] | daily average | report only (mg/L) | all year | 094 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 094 |
| Iron, total [as Fe] | daily average | ≤ 3 mg/L | all year | 094 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 094 |
| Manganese, total [as Mn] | daily average | ≤ 2 mg/L | all year | 094 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 094 |
| Nickel, total [as Ni] | daily average | report only (mg/L) | all year | 094 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 094 |
| Zinc, total [as Zn] | daily average | report only (mg/L) | all year | 094 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 094 |
| Aluminum, total [as Al] | daily average | report only (mg/L) | all year | 094 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 094 |
| Duration | monthly total | report only (d/mo) | all year | 094 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 094 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 094 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 094 |
| pH | daily minimum | ≥ 6 SU | all year | 096 |
| pH | daily maximum | ≤ 9 SU | all year | 096 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 096 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 096 |
| Solids, settleable | daily average | report only (mL/L) | all year | 096 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 096 |
| Iron, total [as Fe] | daily average | ≤ 3 mg/L | all year | 096 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 096 |
| Duration | monthly total | report only (d/mo) | all year | 096 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 096 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 096 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 096 |
| pH | daily minimum | ≥ 6 SU | all year | 097 |
| pH | daily maximum | ≤ 9 SU | all year | 097 |
| Solids, total suspended | daily average | ≤ 35 mg/L | all year | 097 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 097 |
| Solids, settleable | daily average | report only (mL/L) | all year | 097 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | all year | 097 |
| Copper, total [as Cu] | daily average | report only (mg/L) | all year | 097 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 097 |
| Iron, total [as Fe] | daily average | ≤ 3 mg/L | all year | 097 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 097 |
| Manganese, total [as Mn] | daily average | ≤ 2 mg/L | all year | 097 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 097 |
| Nickel, total [as Ni] | daily average | report only (mg/L) | all year | 097 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 097 |
| Zinc, total [as Zn] | daily average | report only (mg/L) | all year | 097 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 097 |
| Aluminum, total [as Al] | daily average | report only (mg/L) | all year | 097 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 097 |
| Duration | monthly total | report only (d/mo) | all year | 097 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 097 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 097 |
| Precipitation volume | monthly total | report only (in/mo) | all year | 097 |
| pH | daily minimum | ≥ 6 SU | Mar, Jun, Sep, Dec | 231 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Sep, Dec | 231 |
| Solids, settleable | daily average | report only (mL/L) | Mar, Jun, Sep, Dec | 231 |
| Solids, settleable | daily maximum | ≤ .5 mL/L | Mar, Jun, Sep, Dec | 231 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | Mar, Jun, Sep, Dec | 231 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Mar, Jun, Sep, Dec | 231 |
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
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