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Bituminous Coal - Underground, Racine, Ohio. NPDES permit OH0135313 expired Sep 30, 2021; its limits still apply. Last 12 months: no values over a limit, 22 of 121 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 001 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 001 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 001 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 001 |
| Rainfall | monthly average | report only (in) | all year | 001 |
| Rainfall | daily maximum | report only (in) | 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 | report only (MGD) | all year | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| 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 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 002 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 002 |
| Rainfall | monthly average | report only (in) | all year | 002 |
| Rainfall | daily maximum | report only (in) | 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 low level | monthly average | report only (ng/L) | Jun, Dec | 002 |
| Mercury, total low level | daily maximum | report only (ng/L) | Jun, Dec | 002 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1500 mg/L | Jan, Mar, May, Jul, Sep, Nov | 002 |
| pH | daily minimum | ≥ 6.5 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 | daily maximum | ≤ 70 mg/L | all year | 003 |
| Solids, settleable | monthly average | report only (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) | Jan, Mar, May, Jul, Sep, Nov | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 003 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 003 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 003 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 003 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 003 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 003 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 003 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 003 |
| Rainfall | monthly average | report only (in) | all year | 003 |
| Rainfall | daily maximum | report only (in) | 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 |
| Mercury, total low level | monthly average | report only (ng/L) | Sep | 003 |
| Mercury, total low level | daily maximum | report only (ng/L) | Sep | 003 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 1 tox acute | Mar, Jun, Aug, Dec | 003 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1500 mg/L | all year | 003 |
| 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 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 004 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 004 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 004 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 004 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 004 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 004 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 004 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 004 |
| Rainfall | monthly average | report only (in) | all year | 004 |
| Rainfall | daily maximum | report only (in) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Mercury, total low level | monthly average | report only (ng/L) | Sep | 004 |
| Mercury, total low level | daily maximum | report only (ng/L) | Sep | 004 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1500 mg/L | Jan, Mar, May, Jul, Sep, Nov | 004 |
| pH | daily minimum | ≥ 6.5 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 005 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 005 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 005 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 005 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 005 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 005 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 005 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 005 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 005 |
| Rainfall | monthly average | report only (in) | all year | 005 |
| Rainfall | daily maximum | report only (in) | 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 | daily maximum | report only (MGD) | all year | 005 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 005 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 005 |
| pH | daily minimum | ≥ 6.5 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 006 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 006 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 006 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 006 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 006 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 006 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 006 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 006 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 006 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 006 |
| Rainfall | monthly average | report only (in) | all year | 006 |
| Rainfall | daily maximum | report only (in) | 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 |
| Mercury, total low level | monthly average | report only (ng/L) | Sep | 006 |
| Mercury, total low level | daily maximum | report only (ng/L) | Sep | 006 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1500 mg/L | Jan, Mar, May, Jul, Sep, Nov | 006 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Aug, Dec | 007 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Aug, Dec | 007 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | Mar, Jun, Aug, Dec | 007 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | Mar, Jun, Aug, Dec | 007 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Jun, Dec | 007 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Jun, Dec | 007 |
| Calcium, total [as Ca] | monthly average | report only (mg/L) | Jun, Dec | 007 |
| Calcium, total [as Ca] | daily maximum | report only (mg/L) | Jun, Dec | 007 |
| Magnesium, total [as Mg] | monthly average | report only (mg/L) | Jun, Dec | 007 |
| Magnesium, total [as Mg] | daily maximum | report only (mg/L) | Jun, Dec | 007 |
| Sodium, total [as Na] | monthly average | report only (mg/L) | Jun, Dec | 007 |
| Sodium, total [as Na] | daily maximum | report only (mg/L) | Jun, Dec | 007 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 007 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 007 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Jun, Dec | 007 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Jun, Dec | 007 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 007 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 007 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 007 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 007 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 007 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Mercury, total low level | monthly average | report only (ng/L) | Sep | 007 |
| Mercury, total low level | daily maximum | report only (ng/L) | Sep | 007 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 1 tox acute | Mar, Jun, Aug, Dec | 007 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1500 mg/L | all year | 007 |
| pH | daily minimum | ≥ 6.5 SU | all year | 008 |
| pH | daily maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 008 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 008 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 008 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 008 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 008 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 008 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 008 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 008 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 008 |
| Rainfall | monthly average | report only (in) | all year | 008 |
| Rainfall | daily maximum | report only (in) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 008 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 008 |
| pH | daily minimum | ≥ 6.5 SU | all year | 012 |
| pH | daily maximum | ≤ 9 SU | all year | 012 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 012 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 012 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 012 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 012 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 012 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 012 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 012 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 012 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 012 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 012 |
| Rainfall | monthly average | report only (in) | all year | 012 |
| Rainfall | daily maximum | report only (in) | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 012 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 012 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 801 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 801 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 901 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 901 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 38 Coal Mining permits in Ohio.
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