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CONSOL Mining Co LLC

Bituminous Coal And Lignite - Surface, Clarington, Ohio. NPDES permit OH0012211 expired Apr 30, 2025; its limits still apply. Last 12 months: no values over a limit, 10 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (12 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 16 required values missing, 1 of 12 reports late

Limits in force (20)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedweekly maximum≤ 35 mg/Lall year
Solids, total suspendeddaily maximum≤ 70 mg/Lall year
Chloride [as Cl]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec
Chloride [as Cl]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec
Sulfate, total [as SO4]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec
Sulfate, total [as SO4]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec
Iron, total [as Fe]weekly maximum≤ 3500 ug/Lall year
Iron, total [as Fe]daily maximum≤ 7000 ug/Lall year
Manganese, total [as Mn]weekly maximum≤ 2000 ug/Lall year
Manganese, total [as Mn]daily maximum≤ 4000 ug/Lall year
Rainfallmonthly averagereport only (in)all year
Rainfalldaily maximumreport only (in)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)Mar, Jun, Aug, Dec
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)Mar, Jun, Aug, Dec

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/OH0012211 · MCP: https://passage-data.com/mcp