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Bituminous Coal - Underground, Hopedale, Ohio. NPDES permit OH0011827, in force until Dec 31, 2030. Last 12 months: over a limit once (last October 2025), 345 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Solids, total dissolved- 180 deg. C, monthly average | 4257 | ≤ 1500 mg/L | 184% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year | 009 |
| pH | daily maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 009 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 009 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 009 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 009 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 009 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 009 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 009 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 009 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 009 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | all year | 009 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | all year | 009 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 009 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| Mercury, total low level | monthly average | report only (ng/L) | Dec | 009 |
| Mercury, total low level | daily maximum | report only (ng/L) | Dec | 009 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 009 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 009 |
| Flow rate | monthly average | report only (gal/d) | all year | 010 |
| Flow rate | daily maximum | report only (gal/d) | all year | 010 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Mar, Jun, Sep, Dec | 010 |
| pH | daily minimum | report only (SU) | Mar, Jun, Sep, Dec | 010 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 010 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | Mar, Jun, Sep, Dec | 010 |
| Solids, total suspended | daily maximum | ≤ 18 mg/L | Mar, Jun, Sep, Dec | 010 |
| Solids, total suspended | monthly average | ≤ .068 kg/d | Mar, Jun, Sep, Dec | 010 |
| Solids, total suspended | daily maximum | ≤ .1 kg/d | Mar, Jun, Sep, Dec | 010 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 010 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 010 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 010 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 010 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 161 MPN/100mL | Jun, Sep | 010 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 362 MPN/100mL | Jun, Sep | 010 |
| Chlorine, total residual | daily maximum | report only (mg/L) | Jun, Sep | 010 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Mar, Jun, Sep, Dec | 010 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | Mar, Jun, Sep, Dec | 010 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .057 kg/d | Mar, Jun, Sep, Dec | 010 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ .086 kg/d | Mar, Jun, Sep, Dec | 010 |
| Flow rate | monthly average | report only (gal/d) | all year | 012 |
| Flow rate | daily maximum | report only (gal/d) | all year | 012 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | Mar, Jun, Sep, Dec | 012 |
| pH | daily minimum | report only (SU) | Mar, Jun, Sep, Dec | 012 |
| pH | daily maximum | report only (SU) | Mar, Jun, Sep, Dec | 012 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | Mar, Jun, Sep, Dec | 012 |
| Solids, total suspended | daily maximum | ≤ 18 mg/L | Mar, Jun, Sep, Dec | 012 |
| Solids, total suspended | monthly average | ≤ .29 kg/d | Mar, Jun, Sep, Dec | 012 |
| Solids, total suspended | daily maximum | ≤ .42 kg/d | Mar, Jun, Sep, Dec | 012 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | Jun, Sep | 012 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | Mar, Dec | 012 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.5 mg/L | Jun, Sep | 012 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.5 mg/L | Mar, Dec | 012 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .024 kg/d | Jun, Sep | 012 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .07 kg/d | Mar, Dec | 012 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .035 kg/d | Jun, Sep | 012 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .105 kg/d | Mar, Dec | 012 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 012 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 012 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | Jun, Sep | 012 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | Jun, Sep | 012 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | Jun, Sep | 012 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Mar, Jun, Sep, Dec | 012 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | Mar, Jun, Sep, Dec | 012 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .23 kg/d | Mar, Jun, Sep, Dec | 012 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ .35 kg/d | Mar, Jun, Sep, Dec | 012 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
| Specific conductance | monthly average | report only (umho/cm) | Mar, Jun, Sep, Dec | 901 |
| Specific conductance | daily maximum | report only (umho/cm) | Mar, Jun, Sep, Dec | 901 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 901 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 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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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OH0011827 · MCP: https://passage-data.com/mcp