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Coal-Mac LLC

Bituminous Coal And Lignite - Surface, Naugatuck, West Virginia. NPDES permit WV1013076, in force until May 23, 2028. Last 12 months: no values over a limit, 1939 required values missing, 53 of 165 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 57 days after each period: outfall 001 form Q quarterly (30 values), outfall 002 form Q quarterly (30 values), outfall 003 form Q quarterly (30 values), outfall 019 form R quarterly (4 values), outfall 039 form R quarterly (4 values), outfall 040 form R quarterly (4 values), and 27 more forms
Renewal application due
Nov 25, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 153 required values missing, 172 of 220 reports late

Limits in force (335)

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 averagereport only (SU)all year001
pHmonthly maximum≤ 9 SUall 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
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 average≤ 4.7 ug/Lall year001
Selenium, total recoverablemonthly maximum≤ 8.2 ug/Lall year001
Iron, total [as Fe]monthly minimumreport only (mg/L)all year001
Iron, total [as Fe]monthly average≤ 1.42 mg/Lall year001
Iron, total [as Fe]monthly maximum≤ 2.46 mg/Lall year001
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year001
Aluminum, total [as Al]monthly average≤ .43 mg/Lall year001
Aluminum, total [as Al]monthly maximum≤ .75 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
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
Flow ratemonthly averagereport only (gal/min)all year002
Flow ratemonthly maximumreport only (gal/min)all year002
Specific conductancemonthly minimumreport only (umho/cm)all year002
Specific conductancemonthly averagereport only (umho/cm)all year002
Specific conductancemonthly maximumreport only (umho/cm)all year002
pHmonthly minimum≥ 6 SUall year002
pHmonthly averagereport only (SU)all year002
pHmonthly maximum≤ 9 SUall year002
Solids, total suspendedmonthly minimumreport only (mg/L)all year002
Solids, total suspendedmonthly average≤ 35 mg/Lall year002
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year002
Solids, settleablemonthly maximum≤ .5 mL/Lall year002
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year002
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year002
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year002
Selenium, total recoverablemonthly minimumreport only (ug/L)all year002
Selenium, total recoverablemonthly average≤ 4.7 ug/Lall year002
Selenium, total recoverablemonthly maximum≤ 8.2 ug/Lall year002
Iron, total [as Fe]monthly minimumreport only (mg/L)all year002
Iron, total [as Fe]monthly average≤ 1.42 mg/Lall year002
Iron, total [as Fe]monthly maximum≤ 2.46 mg/Lall year002
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year002
Aluminum, total [as Al]monthly average≤ .43 mg/Lall year002
Aluminum, total [as Al]monthly maximum≤ .75 mg/Lall year002
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year002
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year002
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year002
Solids, total dissolvedmonthly minimumreport only (mg/L)all year002
Solids, total dissolvedmonthly averagereport only (mg/L)all year002
Solids, total dissolvedmonthly maximumreport only (mg/L)all year002
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 averagereport only (SU)all 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 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 minimumreport only (ug/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
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
Flow ratemonthly maximumreport only (gal/min)all year019
pHmonthly minimum≥ 6 SUall year019
pHmonthly maximum≤ 9 SUall year019
Solids, settleablemonthly maximum≤ .5 mL/Lall year019
Flow ratemonthly maximumreport only (gal/min)all year039
pHmonthly minimum≥ 6 SUall year039
pHmonthly maximum≤ 9 SUall year039
Solids, settleablemonthly maximum≤ .5 mL/Lall year039
Flow ratemonthly maximumreport only (gal/min)all year040
pHmonthly minimum≥ 6 SUall year040
pHmonthly maximum≤ 9 SUall year040
Solids, settleablemonthly maximum≤ .5 mL/Lall year040
Flow ratemonthly maximumreport only (gal/min)all year041
pHmonthly minimum≥ 6 SUall year041
pHmonthly maximum≤ 9 SUall year041
Solids, settleablemonthly maximum≤ .5 mL/Lall year041
Flow ratemonthly maximumreport only (gal/min)all year042
pHmonthly minimum≥ 6 SUall year042
pHmonthly maximum≤ 9 SUall year042
Solids, settleablemonthly maximum≤ .5 mL/Lall year042
Flow ratemonthly maximumreport only (gal/min)all year043
pHmonthly minimum≥ 6 SUall year043
pHmonthly maximum≤ 9 SUall year043
Solids, settleablemonthly maximum≤ .5 mL/Lall year043
Flow ratemonthly maximumreport only (gal/min)all year044
pHmonthly minimum≥ 6 SUall year044
pHmonthly maximum≤ 9 SUall year044
Solids, settleablemonthly maximum≤ .5 mL/Lall year044
Flow ratemonthly maximumreport only (gal/min)all year045
pHmonthly minimum≥ 6 SUall year045
pHmonthly maximum≤ 9 SUall year045
Solids, settleablemonthly maximum≤ .5 mL/Lall year045
Flow ratemonthly maximumreport only (gal/min)all year046
pHmonthly minimum≥ 6 SUall year046
pHmonthly maximum≤ 9 SUall year046
Solids, settleablemonthly maximum≤ .5 mL/Lall year046
Flow ratemonthly maximumreport only (gal/min)all year047
pHmonthly minimum≥ 6 SUall year047
pHmonthly maximum≤ 9 SUall year047
Solids, settleablemonthly maximum≤ .5 mL/Lall year047
Flow ratemonthly maximumreport only (gal/min)all year048
pHmonthly minimum≥ 6 SUall year048
pHmonthly maximum≤ 9 SUall year048
Solids, settleablemonthly maximum≤ .5 mL/Lall year048
Flow ratemonthly maximumreport only (gal/min)all year049
pHmonthly minimum≥ 6 SUall year049
pHmonthly maximum≤ 9 SUall year049
Solids, settleablemonthly maximum≤ .5 mL/Lall year049
Flow ratemonthly averagereport only (gal/min)all year050
Flow ratemonthly maximumreport only (gal/min)all year050
pHmonthly minimum≥ 6 SUall year050
pHmonthly maximum≤ 9 SUall year050
Solids, settleablemonthly maximum≤ .5 mL/Lall year050
Selenium, total recoverablemonthly average≤ 4.7 ug/Lall year050
Selenium, total recoverablemonthly maximum≤ 8.2 ug/Lall year050
Flow ratemonthly maximumreport only (gal/min)all year051
pHmonthly minimum≥ 6 SUall year051
pHmonthly maximum≤ 9 SUall year051
Solids, settleablemonthly maximum≤ .5 mL/Lall year051
Flow ratemonthly maximumreport only (gal/min)all year052
pHmonthly minimum≥ 6 SUall year052
pHmonthly maximum≤ 9 SUall year052
Solids, settleablemonthly maximum≤ .5 mL/Lall year052
Flow ratemonthly averagereport only (gal/min)all year055
Flow ratemonthly maximumreport only (gal/min)all year055
Specific conductancemonthly minimumreport only (umho/cm)all year055
Specific conductancemonthly averagereport only (umho/cm)all year055
Specific conductancemonthly maximumreport only (umho/cm)all year055
pHmonthly minimum≥ 6 SUall year055
pHmonthly averagereport only (SU)all year055
pHmonthly maximum≤ 9 SUall year055
Solids, total suspendedmonthly minimumreport only (mg/L)all year055
Solids, total suspendedmonthly average≤ 35 mg/Lall year055
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year055
Solids, settleablemonthly maximum≤ .5 mL/Lall year055
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year055
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year055
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year055
Selenium, total recoverablemonthly minimumreport only (ug/L)all year055
Selenium, total recoverablemonthly average≤ 4.7 ug/Lall year055
Selenium, total recoverablemonthly maximum≤ 8.2 ug/Lall year055
Iron, total [as Fe]monthly minimumreport only (mg/L)all year055
Iron, total [as Fe]monthly average≤ 1.42 mg/Lall year055
Iron, total [as Fe]monthly maximum≤ 2.46 mg/Lall year055
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year055
Aluminum, total [as Al]monthly average≤ .43 mg/Lall year055
Aluminum, total [as Al]monthly maximum≤ .75 mg/Lall year055
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year055
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year055
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year055
Solids, total dissolvedmonthly minimumreport only (mg/L)all year055
Solids, total dissolvedmonthly averagereport only (mg/L)all year055
Solids, total dissolvedmonthly maximumreport only (mg/L)all year055
Flow ratemonthly averagereport only (gal/min)all year057
Flow ratemonthly maximumreport only (gal/min)all year057
pHmonthly minimum≥ 6 SUall year057
pHmonthly maximum≤ 9 SUall year057
Solids, settleablemonthly maximum≤ .5 mL/Lall year057
Selenium, total recoverablemonthly minimumreport only (ug/L)all year057
Selenium, total recoverablemonthly average≤ 4.7 ug/Lall year057
Selenium, total recoverablemonthly maximum≤ 8.2 ug/Lall year057
Stream flow, instantaneousmonthly averagereport only (cfs)all yearDBSK
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDBSK
Specific conductancemonthly averagereport only (umho/cm)all yearDBSK
Specific conductancemonthly maximumreport only (umho/cm)all yearDBSK
pHmonthly minimumreport only (SU)all yearDBSK
pHmonthly maximumreport only (SU)all yearDBSK
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearDBSK
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearDBSK
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearDBSK
Selenium, total recoverablemonthly averagereport only (ug/L)all yearDBSK
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearDBSK
Iron, total [as Fe]monthly averagereport only (mg/L)all yearDBSK
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearDBSK
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearDBSK
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearDBSK
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearDBSK
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearDBSK
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearDBSK
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearDBSK
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearDBSK
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearDBSK
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearDBSK
Solids, total dissolvedmonthly averagereport only (mg/L)all yearDBSK
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearDBSK
Stream flow, instantaneousmonthly averagereport only (cfs)all yearDMC1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDMC1
Specific conductancemonthly averagereport only (umho/cm)all yearDMC1
Specific conductancemonthly maximumreport only (umho/cm)all yearDMC1
pHmonthly minimumreport only (SU)all yearDMC1
pHmonthly maximumreport only (SU)all yearDMC1
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearDMC1
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearDMC1
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearDMC1
Selenium, total recoverablemonthly averagereport only (ug/L)all yearDMC1
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearDMC1
Iron, total [as Fe]monthly averagereport only (mg/L)all yearDMC1
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearDMC1
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearDMC1
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearDMC1
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearDMC1
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearDMC1
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearDMC1
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearDMC1
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearDMC1
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearDMC1
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearDMC1
Solids, total dissolvedmonthly averagereport only (mg/L)all yearDMC1
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearDMC1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDSB1
pHmonthly minimumreport only (SU)all yearDSB1
pHmonthly maximumreport only (SU)all yearDSB1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDSCB1
pHmonthly minimumreport only (SU)all yearDSCB1
pHmonthly maximumreport only (SU)all yearDSCB1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDTLB1
pHmonthly minimumreport only (SU)all yearDTLB1
pHmonthly maximumreport only (SU)all yearDTLB1
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUBSK1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUBSK1
Specific conductancemonthly averagereport only (umho/cm)all yearUBSK1
Specific conductancemonthly maximumreport only (umho/cm)all yearUBSK1
pHmonthly minimumreport only (SU)all yearUBSK1
pHmonthly maximumreport only (SU)all yearUBSK1
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearUBSK1
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearUBSK1
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearUBSK1
Selenium, total recoverablemonthly averagereport only (ug/L)all yearUBSK1
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearUBSK1
Iron, total [as Fe]monthly minimumreport only (mg/L)all yearUBSK1
Iron, total [as Fe]monthly averagereport only (mg/L)all yearUBSK1
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearUBSK1
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearUBSK1
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearUBSK1
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearUBSK1
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearUBSK1
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearUBSK1
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearUBSK1
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearUBSK1
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearUBSK1
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearUBSK1
Solids, total dissolvedmonthly averagereport only (mg/L)all yearUBSK1
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearUBSK1
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUMC1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUMC1
Specific conductancemonthly averagereport only (umho/cm)all yearUMC1
Specific conductancemonthly maximumreport only (umho/cm)all yearUMC1
pHmonthly minimumreport only (SU)all yearUMC1
pHmonthly maximumreport only (SU)all yearUMC1
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearUMC1
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearUMC1
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearUMC1
Selenium, total recoverablemonthly averagereport only (ug/L)all yearUMC1
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearUMC1
Iron, total [as Fe]monthly minimumreport only (mg/L)all yearUMC1
Iron, total [as Fe]monthly averagereport only (mg/L)all yearUMC1
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearUMC1
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearUMC1
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearUMC1
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearUMC1
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearUMC1
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearUMC1
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearUMC1
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearUMC1
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearUMC1
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearUMC1
Solids, total dissolvedmonthly averagereport only (mg/L)all yearUMC1
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearUMC1
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUSB
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUSB
pHmonthly minimumreport only (SU)all yearUSB
pHmonthly maximumreport only (SU)all yearUSB
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUSCB1
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUSCB1
pHmonthly minimumreport only (SU)all yearUSCB1
pHmonthly maximumreport only (SU)all yearUSCB1
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUTBSK
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUTBSK
Specific conductancemonthly averagereport only (umho/cm)all yearUTBSK
Specific conductancemonthly maximumreport only (umho/cm)all yearUTBSK
pHmonthly minimumreport only (SU)all yearUTBSK
pHmonthly maximumreport only (SU)all yearUTBSK
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearUTBSK
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearUTBSK
Selenium, total recoverablemonthly minimumreport only (ug/L)all yearUTBSK
Selenium, total recoverablemonthly averagereport only (ug/L)all yearUTBSK
Selenium, total recoverablemonthly maximumreport only (ug/L)all yearUTBSK
Iron, total [as Fe]monthly minimumreport only (mg/L)all yearUTBSK
Iron, total [as Fe]monthly averagereport only (mg/L)all yearUTBSK
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearUTBSK
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearUTBSK
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearUTBSK
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearUTBSK
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearUTBSK
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearUTBSK
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearUTBSK
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearUTBSK
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearUTBSK
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearUTBSK
Solids, total dissolvedmonthly averagereport only (mg/L)all yearUTBSK
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearUTBSK
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUTLB
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUTLB
pHmonthly minimumreport only (SU)all yearUTLB
pHmonthly maximumreport only (SU)all yearUTLB

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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Your permit document is the final word. As JSON: /api/v1/permits/WV1013076 · MCP: https://passage-data.com/mcp