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Marfork Coal Company, LLC

Bituminous Coal And Lignite - Surface, Naoma, West Virginia. NPDES permit WV1030167, in force until Apr 14, 2030. Last 12 months: no values over a limit, 3 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form Q quarterly (47 values), outfall 001 form R quarterly (3 values), outfall BAS-1 form R quarterly (46 values), outfall BAS-2 form R quarterly (46 values), outfall DEC-1 form Q quarterly (28 values), outfall UEC form Q quarterly (28 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 45 reports late

Limits in force (198)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (gal/min)all year001
Flow ratemonthly maximumreport only (gal/min)all year001
Specific conductancemonthly minimumreport only (umho/cm)all year001
Specific conductancemonthly averagereport only (umho/cm)all year001
Specific conductancemonthly maximumreport only (umho/cm)all year001
pHmonthly minimum≥ 6 SUall year001
pHmonthly maximum≤ 9 SUall year001
Alkalinity, total [as CaCO3]monthly minimumreport only (mg/L)all year001
Alkalinity, total [as CaCO3]monthly averagereport only (mg/L)all year001
Alkalinity, total [as CaCO3]monthly maximumreport only (mg/L)all year001
Solids, total suspendedmonthly minimumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 35 mg/Lall year001
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year001
Solids, settleablemonthly maximum≤ .5 mL/Lall year001
Calcium, total [as Ca]monthly minimumreport only (mg/L)all year001
Calcium, total [as Ca]monthly averagereport only (mg/L)all year001
Calcium, total [as Ca]monthly maximumreport only (mg/L)all year001
Magnesium, total [as Mg]monthly minimumreport only (mg/L)all year001
Magnesium, total [as Mg]monthly averagereport only (mg/L)all year001
Magnesium, total [as Mg]monthly maximumreport only (mg/L)all year001
Sodium, total [as Na]monthly minimumreport only (mg/L)all year001
Sodium, total [as Na]monthly averagereport only (mg/L)all year001
Sodium, total [as Na]monthly maximumreport only (mg/L)all year001
Potassium, total [as K]monthly minimumreport only (mg/L)all year001
Potassium, total [as K]monthly averagereport only (mg/L)all year001
Potassium, total [as K]monthly maximumreport only (mg/L)all year001
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year001
Selenium, total recoverablemonthly minimumreport only (ug/L)all year001
Selenium, total recoverablemonthly averagereport only (ug/L)all year001
Selenium, total recoverablemonthly maximumreport only (ug/L)all year001
Iron, total [as Fe]monthly minimumreport only (mg/L)all year001
Iron, total [as Fe]monthly average≤ .19 mg/Lall year001
Iron, total [as Fe]monthly maximum≤ .33 mg/Lall year001
Manganese, total [as Mn]monthly minimumreport only (mg/L)all year001
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year001
Manganese, total [as Mn]monthly maximum≤ 4 mg/Lall year001
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year001
Aluminum, total [as Al]monthly average≤ .02 mg/Lall year001
Aluminum, total [as Al]monthly maximum≤ .04 mg/Lall year001
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year001
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year001
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year001
Toxicity [chronic], Ceriodaphnia dubiamonthly minimumreport only (tox chronic)all year001
Toxicity [chronic], Ceriodaphnia dubiamonthly average≤ .82 tox chronicall year001
Toxicity [chronic], Ceriodaphnia dubiamonthly maximum≤ 1.64 tox chronicall year001
Solids, total dissolvedmonthly minimumreport only (mg/L)all year001
Solids, total dissolvedmonthly averagereport only (mg/L)all year001
Solids, total dissolvedmonthly maximumreport only (mg/L)all year001
Stream flow, instantaneousmonthly averagereport only (cfs)all yearBAS-1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearBAS-1
Specific conductancemonthly minimumreport only (umho/cm)all yearBAS-1
Specific conductancemonthly averagereport only (umho/cm)all yearBAS-1
Specific conductancemonthly maximumreport only (umho/cm)all yearBAS-1
pHmonthly minimumreport only (SU)all yearBAS-1
pHmonthly maximumreport only (SU)all yearBAS-1
Alkalinity, total [as CaCO3]monthly minimumreport only (mg/L)all yearBAS-1
Alkalinity, total [as CaCO3]monthly averagereport only (mg/L)all yearBAS-1
Alkalinity, total [as CaCO3]monthly maximumreport only (mg/L)all yearBAS-1
Solids, total suspendedmonthly minimumreport only (mg/L)all yearBAS-1
Solids, total suspendedmonthly averagereport only (mg/L)all yearBAS-1
Solids, total suspendedmonthly maximumreport only (mg/L)all yearBAS-1
Calcium, total [as Ca]monthly minimumreport only (mg/L)all yearBAS-1
Calcium, total [as Ca]monthly averagereport only (mg/L)all yearBAS-1
Calcium, total [as Ca]monthly maximumreport only (mg/L)all yearBAS-1
Magnesium, total [as Mg]monthly minimumreport only (mg/L)all yearBAS-1
Magnesium, total [as Mg]monthly averagereport only (mg/L)all yearBAS-1
Magnesium, total [as Mg]monthly maximumreport only (mg/L)all yearBAS-1
Sodium, total [as Na]monthly minimumreport only (mg/L)all yearBAS-1
Sodium, total [as Na]monthly averagereport only (mg/L)all yearBAS-1
Sodium, total [as Na]monthly maximumreport only (mg/L)all yearBAS-1
Potassium, total [as K]monthly minimumreport only (mg/L)all yearBAS-1
Potassium, total [as K]monthly averagereport only (mg/L)all yearBAS-1
Potassium, total [as K]monthly maximumreport only (mg/L)all yearBAS-1
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all yearBAS-1
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearBAS-1
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearBAS-1
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearBAS-1
Selenium, total recoverablemonthly averagereport only (ug/L)all yearBAS-1
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearBAS-1
Iron, total [as Fe]monthly minimumreport only (mg/L)all yearBAS-1
Iron, total [as Fe]monthly averagereport only (mg/L)all yearBAS-1
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearBAS-1
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearBAS-1
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearBAS-1
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearBAS-1
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearBAS-1
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearBAS-1
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearBAS-1
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearBAS-1
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearBAS-1
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearBAS-1
Solids, total dissolvedmonthly minimumreport only (mg/L)all yearBAS-1
Solids, total dissolvedmonthly averagereport only (mg/L)all yearBAS-1
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearBAS-1
Stream flow, instantaneousmonthly averagereport only (cfs)all yearBAS-2
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearBAS-2
Specific conductancemonthly minimumreport only (umho/cm)all yearBAS-2
Specific conductancemonthly averagereport only (umho/cm)all yearBAS-2
Specific conductancemonthly maximumreport only (umho/cm)all yearBAS-2
pHmonthly minimumreport only (SU)all yearBAS-2
pHmonthly maximumreport only (SU)all yearBAS-2
Alkalinity, total [as CaCO3]monthly minimumreport only (mg/L)all yearBAS-2
Alkalinity, total [as CaCO3]monthly averagereport only (mg/L)all yearBAS-2
Alkalinity, total [as CaCO3]monthly maximumreport only (mg/L)all yearBAS-2
Solids, total suspendedmonthly minimumreport only (mg/L)all yearBAS-2
Solids, total suspendedmonthly averagereport only (mg/L)all yearBAS-2
Solids, total suspendedmonthly maximumreport only (mg/L)all yearBAS-2
Calcium, total [as Ca]monthly minimumreport only (mg/L)all yearBAS-2
Calcium, total [as Ca]monthly averagereport only (mg/L)all yearBAS-2
Calcium, total [as Ca]monthly maximumreport only (mg/L)all yearBAS-2
Magnesium, total [as Mg]monthly minimumreport only (mg/L)all yearBAS-2
Magnesium, total [as Mg]monthly averagereport only (mg/L)all yearBAS-2
Magnesium, total [as Mg]monthly maximumreport only (mg/L)all yearBAS-2
Sodium, total [as Na]monthly minimumreport only (mg/L)all yearBAS-2
Sodium, total [as Na]monthly averagereport only (mg/L)all yearBAS-2
Sodium, total [as Na]monthly maximumreport only (mg/L)all yearBAS-2
Potassium, total [as K]monthly minimumreport only (mg/L)all yearBAS-2
Potassium, total [as K]monthly averagereport only (mg/L)all yearBAS-2
Potassium, total [as K]monthly maximumreport only (mg/L)all yearBAS-2
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all yearBAS-2
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearBAS-2
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearBAS-2
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearBAS-2
Selenium, total recoverablemonthly averagereport only (ug/L)all yearBAS-2
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearBAS-2
Iron, total [as Fe]monthly minimumreport only (mg/L)all yearBAS-2
Iron, total [as Fe]monthly averagereport only (mg/L)all yearBAS-2
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearBAS-2
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearBAS-2
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearBAS-2
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearBAS-2
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearBAS-2
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearBAS-2
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearBAS-2
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearBAS-2
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearBAS-2
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearBAS-2
Solids, total dissolvedmonthly minimumreport only (mg/L)all yearBAS-2
Solids, total dissolvedmonthly averagereport only (mg/L)all yearBAS-2
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearBAS-2
Stream flow, instantaneousmonthly averagereport only (cfs)all yearDEC-1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDEC-1
Specific conductancemonthly minimumreport only (umho/cm)all yearDEC-1
Specific conductancemonthly averagereport only (umho/cm)all yearDEC-1
Specific conductancemonthly maximumreport only (umho/cm)all yearDEC-1
pHmonthly minimumreport only (SU)all yearDEC-1
pHmonthly maximumreport only (SU)all yearDEC-1
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all yearDEC-1
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearDEC-1
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearDEC-1
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearDEC-1
Selenium, total recoverablemonthly averagereport only (ug/L)all yearDEC-1
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearDEC-1
Iron, total [as Fe]monthly minimumreport only (mg/L)all yearDEC-1
Iron, total [as Fe]monthly averagereport only (mg/L)all yearDEC-1
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearDEC-1
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearDEC-1
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearDEC-1
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearDEC-1
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearDEC-1
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearDEC-1
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearDEC-1
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearDEC-1
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearDEC-1
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearDEC-1
Solids, total dissolvedmonthly minimumreport only (mg/L)all yearDEC-1
Solids, total dissolvedmonthly averagereport only (mg/L)all yearDEC-1
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearDEC-1
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUEC
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUEC
Specific conductancemonthly minimumreport only (umho/cm)all yearUEC
Specific conductancemonthly averagereport only (umho/cm)all yearUEC
Specific conductancemonthly maximumreport only (umho/cm)all yearUEC
pHmonthly minimumreport only (SU)all yearUEC
pHmonthly maximumreport only (SU)all yearUEC
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all yearUEC
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearUEC
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearUEC
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearUEC
Selenium, total recoverablemonthly averagereport only (ug/L)all yearUEC
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearUEC
Iron, total [as Fe]monthly minimumreport only (mg/L)all yearUEC
Iron, total [as Fe]monthly averagereport only (mg/L)all yearUEC
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearUEC
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearUEC
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearUEC
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearUEC
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearUEC
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearUEC
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearUEC
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearUEC
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearUEC
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearUEC
Solids, total dissolvedmonthly minimumreport only (mg/L)all yearUEC
Solids, total dissolvedmonthly averagereport only (mg/L)all yearUEC
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearUEC

How strict are these limits?

Cited limits by parameter: West Virginia's rules and the federal ones.

Same industry: the 1,301 Coal Mining permits in West Virginia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WV1030167 · MCP: https://passage-data.com/mcp