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Coal-Mac LLC

Bituminous Coal And Lignite - Surface, Naugatuck, West Virginia. NPDES permit WV1016971, in force until Nov 3, 2029. Last 12 months: no values over a limit, 396 required values missing, 7 of 35 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 87 days after each period: outfall 001 form R quarterly (4 values), outfall 003 form Q quarterly (33 values), outfall DMC-1 form Q quarterly (19 values), outfall DTB form Q quarterly (22 values), outfall UMC-1 form Q quarterly (16 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 19 of 51 reports late

Limits in force (94)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly maximumreport only (gal/min)all year001
pHmonthly minimum≥ 6 SUall year001
pHmonthly maximum≤ 9 SUall year001
Solids, settleablemonthly maximum≤ .5 mL/Lall year001
Flow ratemonthly averagereport only (gal/min)all year003
Flow ratemonthly maximumreport only (gal/min)all year003
Specific conductancemonthly minimumreport only (umho/cm)all year003
Specific conductancemonthly averagereport only (umho/cm)all year003
Specific conductancemonthly maximumreport only (umho/cm)all year003
pHmonthly minimum≥ 6 SUall year003
pHmonthly maximum≤ 9 SUall year003
Solids, total suspendedmonthly minimumreport only (mg/L)all year003
Solids, total suspendedmonthly average≤ 35 mg/Lall year003
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year003
Solids, settleablemonthly minimumreport only (mL/L)all year003
Solids, settleablemonthly averagereport only (mL/L)all year003
Solids, settleablemonthly maximum≤ .5 mL/Lall year003
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year003
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year003
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year003
Selenium, total recoverablemonthly average≤ 4.7 ug/Lall year003
Selenium, total recoverablemonthly maximum≤ 8.2 ug/Lall year003
Iron, total [as Fe]monthly minimumreport only (mg/L)all year003
Iron, total [as Fe]monthly average≤ 1.42 mg/Lall year003
Iron, total [as Fe]monthly maximum≤ 2.46 mg/Lall year003
Manganese, total [as Mn]monthly minimumreport only (mg/L)all year003
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year003
Manganese, total [as Mn]monthly maximum≤ 3.47 mg/Lall year003
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year003
Aluminum, total [as Al]monthly average≤ .43 mg/Lall year003
Aluminum, total [as Al]monthly maximum≤ .75 mg/Lall year003
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year003
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year003
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year003
Solids, total dissolvedmonthly minimumreport only (mg/L)all year003
Solids, total dissolvedmonthly averagereport only (mg/L)all year003
Solids, total dissolvedmonthly maximumreport only (mg/L)all year003
Stream flow, instantaneousmonthly averagereport only (cfs)all yearDMC-1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDMC-1
Specific conductancemonthly averagereport only (umho/cm)all yearDMC-1
Specific conductancemonthly maximumreport only (umho/cm)all yearDMC-1
pHmonthly minimumreport only (SU)all yearDMC-1
pHmonthly maximumreport only (SU)all yearDMC-1
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearDMC-1
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearDMC-1
Iron, total [as Fe]monthly averagereport only (mg/L)all yearDMC-1
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearDMC-1
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearDMC-1
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearDMC-1
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearDMC-1
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearDMC-1
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearDMC-1
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearDMC-1
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearDMC-1
Solids, total dissolvedmonthly averagereport only (mg/L)all yearDMC-1
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearDMC-1
Stream flow, instantaneousmonthly averagereport only (cfs)all yearDTB
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDTB
Specific conductancemonthly averagereport only (umho/cm)all yearDTB
Specific conductancemonthly maximumreport only (umho/cm)all yearDTB
pHmonthly minimumreport only (SU)all yearDTB
pHmonthly maximumreport only (SU)all yearDTB
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearDTB
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearDTB
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearDTB
Selenium, total recoverablemonthly averagereport only (ug/L)all yearDTB
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearDTB
Iron, total [as Fe]monthly averagereport only (mg/L)all yearDTB
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearDTB
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearDTB
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearDTB
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearDTB
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearDTB
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearDTB
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearDTB
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearDTB
Solids, total dissolvedmonthly averagereport only (mg/L)all yearDTB
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearDTB
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUMC-1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUMC-1
Specific conductancemonthly averagereport only (umho/cm)all yearUMC-1
Specific conductancemonthly maximumreport only (umho/cm)all yearUMC-1
pHmonthly averagereport only (SU)all yearUMC-1
pHmonthly maximumreport only (SU)all yearUMC-1
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearUMC-1
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearUMC-1
Iron, total [as Fe]monthly averagereport only (mg/L)all yearUMC-1
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearUMC-1
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearUMC-1
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearUMC-1
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearUMC-1
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearUMC-1
Solids, total dissolvedmonthly averagereport only (mg/L)all yearUMC-1
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearUMC-1

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/WV1016971 · MCP: https://passage-data.com/mcp