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Rockwell Mining, LLC

Bituminous Coal And Lignite - Surface, Wharton, West Virginia. NPDES permit WV0066656, in force until Jul 23, 2028. Last 12 months: no values over a limit, 13 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form Q quarterly (29 values), outfall 004 form Q quarterly (31 values), outfall 006 form Q quarterly (31 values), outfall 007 form Q quarterly (31 values), outfall 008 form Q quarterly (31 values), outfall 009 form Q quarterly (31 values), and 12 more forms
Renewal application due
Jan 25, 2028 · 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, 23 required values missing, 0 of 123 reports late

Limits in force (327)

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≤ 10.5 SUall year001
Solids, total suspendedmonthly minimumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 163 mg/Lall 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
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
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≤ 1.08 mg/Lall year001
Aluminum, total [as Al]monthly maximum≤ 1.88 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 year004
Flow ratemonthly maximumreport only (gal/min)all year004
Specific conductancemonthly minimumreport only (umho/cm)all year004
Specific conductancemonthly averagereport only (umho/cm)all year004
Specific conductancemonthly maximumreport only (umho/cm)all year004
pHmonthly minimum≥ 6 SUall year004
pHmonthly maximum≤ 9 SUall year004
Solids, total suspendedmonthly minimumreport only (mg/L)all year004
Solids, total suspendedmonthly average≤ 163 mg/Lall year004
Solids, total suspendedmonthly average≤ 35 mg/Lall year004
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year004
Solids, settleablemonthly minimumreport only (mL/L)all year004
Solids, settleablemonthly averagereport only (mL/L)all year004
Solids, settleablemonthly maximum≤ .5 mL/Lall year004
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year004
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year004
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year004
Iron, total [as Fe]monthly minimumreport only (mg/L)all year004
Iron, total [as Fe]monthly average≤ 1.67 mg/Lall year004
Iron, total [as Fe]monthly maximum≤ 2.89 mg/Lall year004
Manganese, total [as Mn]monthly minimumreport only (mg/L)all year004
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year004
Manganese, total [as Mn]monthly maximum≤ 4 mg/Lall year004
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year004
Aluminum, total [as Al]monthly average≤ 1.08 mg/Lall year004
Aluminum, total [as Al]monthly maximum≤ 1.88 mg/Lall year004
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year004
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year004
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year004
Solids, total dissolvedmonthly minimumreport only (mg/L)all year004
Solids, total dissolvedmonthly averagereport only (mg/L)all year004
Solids, total dissolvedmonthly maximumreport only (mg/L)all year004
Flow ratemonthly averagereport only (gal/min)all year006
Flow ratemonthly maximumreport only (gal/min)all year006
Specific conductancemonthly minimumreport only (umho/cm)all year006
Specific conductancemonthly averagereport only (umho/cm)all year006
Specific conductancemonthly maximumreport only (umho/cm)all year006
pHmonthly minimum≥ 6 SUall year006
pHmonthly maximum≤ 9 SUall year006
Solids, total suspendedmonthly minimumreport only (mg/L)all year006
Solids, total suspendedmonthly average≤ 163 mg/Lall year006
Solids, total suspendedmonthly average≤ 35 mg/Lall year006
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year006
Solids, settleablemonthly minimumreport only (mL/L)all year006
Solids, settleablemonthly averagereport only (mL/L)all year006
Solids, settleablemonthly maximum≤ .5 mL/Lall year006
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year006
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year006
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year006
Iron, total [as Fe]monthly minimumreport only (mg/L)all year006
Iron, total [as Fe]monthly average≤ 3 mg/Lall year006
Iron, total [as Fe]monthly maximum≤ 6 mg/Lall year006
Manganese, total [as Mn]monthly minimumreport only (mg/L)all year006
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year006
Manganese, total [as Mn]monthly maximum≤ 4 mg/Lall year006
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year006
Aluminum, total [as Al]monthly average≤ 3 mg/Lall year006
Aluminum, total [as Al]monthly maximum≤ 6 mg/Lall year006
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year006
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year006
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year006
Solids, total dissolvedmonthly minimumreport only (mg/L)all year006
Solids, total dissolvedmonthly averagereport only (mg/L)all year006
Solids, total dissolvedmonthly maximumreport only (mg/L)all year006
Flow ratemonthly averagereport only (gal/min)all year007
Flow ratemonthly maximumreport only (gal/min)all year007
Specific conductancemonthly minimumreport only (umho/cm)all year007
Specific conductancemonthly averagereport only (umho/cm)all year007
Specific conductancemonthly maximumreport only (umho/cm)all year007
pHmonthly minimum≥ 6 SUall year007
pHmonthly maximum≤ 9 SUall year007
Solids, total suspendedmonthly minimumreport only (mg/L)all year007
Solids, total suspendedmonthly average≤ 163 mg/Lall year007
Solids, total suspendedmonthly average≤ 35 mg/Lall year007
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year007
Solids, settleablemonthly minimumreport only (mL/L)all year007
Solids, settleablemonthly averagereport only (mL/L)all year007
Solids, settleablemonthly maximum≤ .5 mL/Lall year007
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year007
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year007
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year007
Iron, total [as Fe]monthly minimumreport only (mg/L)all year007
Iron, total [as Fe]monthly average≤ 3 mg/Lall year007
Iron, total [as Fe]monthly maximum≤ 6 mg/Lall year007
Manganese, total [as Mn]monthly minimumreport only (mg/L)all year007
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year007
Manganese, total [as Mn]monthly maximum≤ 4 mg/Lall year007
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year007
Aluminum, total [as Al]monthly average≤ 3 mg/Lall year007
Aluminum, total [as Al]monthly maximum≤ 6 mg/Lall year007
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year007
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year007
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year007
Solids, total dissolvedmonthly minimumreport only (mg/L)all year007
Solids, total dissolvedmonthly averagereport only (mg/L)all year007
Solids, total dissolvedmonthly maximumreport only (mg/L)all year007
Flow ratemonthly averagereport only (gal/min)all year008
Flow ratemonthly maximumreport only (gal/min)all year008
Specific conductancemonthly minimumreport only (umho/cm)all year008
Specific conductancemonthly averagereport only (umho/cm)all year008
Specific conductancemonthly maximumreport only (umho/cm)all year008
pHmonthly minimum≥ 6 SUall year008
pHmonthly maximum≤ 9 SUall year008
Solids, total suspendedmonthly minimumreport only (mg/L)all year008
Solids, total suspendedmonthly average≤ 163 mg/Lall year008
Solids, total suspendedmonthly average≤ 35 mg/Lall year008
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year008
Solids, settleablemonthly minimumreport only (mL/L)all year008
Solids, settleablemonthly averagereport only (mL/L)all year008
Solids, settleablemonthly maximum≤ .5 mL/Lall year008
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year008
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year008
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year008
Iron, total [as Fe]monthly minimumreport only (mg/L)all year008
Iron, total [as Fe]monthly average≤ 3 mg/Lall year008
Iron, total [as Fe]monthly maximum≤ 6 mg/Lall year008
Manganese, total [as Mn]monthly minimumreport only (mg/L)all year008
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year008
Manganese, total [as Mn]monthly maximum≤ 4 mg/Lall year008
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year008
Aluminum, total [as Al]monthly average≤ 3 mg/Lall year008
Aluminum, total [as Al]monthly maximum≤ 6 mg/Lall year008
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year008
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year008
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year008
Solids, total dissolvedmonthly minimumreport only (mg/L)all year008
Solids, total dissolvedmonthly averagereport only (mg/L)all year008
Solids, total dissolvedmonthly maximumreport only (mg/L)all year008
Flow ratemonthly averagereport only (gal/min)all year009
Flow ratemonthly maximumreport only (gal/min)all year009
Specific conductancemonthly minimumreport only (umho/cm)all year009
Specific conductancemonthly averagereport only (umho/cm)all year009
Specific conductancemonthly maximumreport only (umho/cm)all year009
pHmonthly minimum≥ 6 SUall year009
pHmonthly maximum≤ 9 SUall year009
Solids, total suspendedmonthly minimumreport only (mg/L)all year009
Solids, total suspendedmonthly average≤ 163 mg/Lall year009
Solids, total suspendedmonthly average≤ 35 mg/Lall year009
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year009
Solids, settleablemonthly minimumreport only (mL/L)all year009
Solids, settleablemonthly averagereport only (mL/L)all year009
Solids, settleablemonthly maximum≤ .5 mL/Lall year009
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year009
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year009
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year009
Iron, total [as Fe]monthly minimumreport only (mg/L)all year009
Iron, total [as Fe]monthly average≤ 3 mg/Lall year009
Iron, total [as Fe]monthly maximum≤ 6 mg/Lall year009
Manganese, total [as Mn]monthly minimumreport only (mg/L)all year009
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year009
Manganese, total [as Mn]monthly maximum≤ 4 mg/Lall year009
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year009
Aluminum, total [as Al]monthly average≤ 3 mg/Lall year009
Aluminum, total [as Al]monthly maximum≤ 6 mg/Lall year009
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year009
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year009
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year009
Solids, total dissolvedmonthly minimumreport only (mg/L)all year009
Solids, total dissolvedmonthly averagereport only (mg/L)all year009
Solids, total dissolvedmonthly maximumreport only (mg/L)all year009
Flow ratemonthly averagereport only (gal/min)all year011
Flow ratemonthly maximumreport only (gal/min)all year011
Specific conductancemonthly minimumreport only (umho/cm)all year011
Specific conductancemonthly averagereport only (umho/cm)all year011
Specific conductancemonthly maximumreport only (umho/cm)all year011
pHmonthly minimum≥ 6 SUall year011
pHmonthly averagereport only (SU)all year011
pHmonthly maximum≤ 10.5 SUall year011
Solids, total suspendedmonthly minimumreport only (mg/L)all year011
Solids, total suspendedmonthly average≤ 163 mg/Lall year011
Solids, total suspendedmonthly average≤ 35 mg/Lall year011
Solids, total suspendedmonthly maximum≤ 70 mg/Lall year011
Solids, settleablemonthly maximum≤ .5 mL/Lall year011
Sulfate, total [as SO4]monthly minimumreport only (mg/L)all year011
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year011
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year011
Iron, total [as Fe]monthly minimumreport only (mg/L)all year011
Iron, total [as Fe]monthly average≤ 1.42 mg/Lall year011
Iron, total [as Fe]monthly maximum≤ 2.46 mg/Lall year011
Manganese, total [as Mn]monthly minimumreport only (mg/L)all year011
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year011
Manganese, total [as Mn]monthly maximum≤ 4 mg/Lall year011
Aluminum, total [as Al]monthly minimumreport only (mg/L)all year011
Aluminum, total [as Al]monthly average≤ 1.08 mg/Lall year011
Aluminum, total [as Al]monthly maximum≤ 1.88 mg/Lall year011
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all year011
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all year011
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all year011
Solids, total dissolvedmonthly minimumreport only (mg/L)all year011
Solids, total dissolvedmonthly averagereport only (mg/L)all year011
Solids, total dissolvedmonthly maximumreport only (mg/L)all year011
Specific conductancemonthly averagereport only (umho/cm)all year400
Specific conductancemonthly maximumreport only (umho/cm)all year400
Oxygen, dissolved [DO]monthly minimum≥ 6 mg/Lall year400
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year400
BOD, 5-day, 20 deg. Cmonthly maximum≤ 60 mg/Lall year400
BOD, 5-day, 20 deg. Cmonthly average≤ .25 lb/dall year400
BOD, 5-day, 20 deg. Cmonthly maximum≤ .5 lb/dall year400
pHmonthly minimum≥ 6 SUall year400
pHmonthly maximum≤ 9 SUall year400
Solids, total suspendedmonthly average≤ 30 mg/Lall year400
Solids, total suspendedmonthly maximum≤ 60 mg/Lall year400
Solids, total suspendedmonthly average≤ 1.5 lb/dall year400
Solids, total suspendedmonthly maximum≤ 3 lb/dall year400
Nitrogen, ammonia total [as N]monthly average≤ 4.27 mg/Lall year400
Nitrogen, ammonia total [as N]monthly maximum≤ 8.54 mg/Lall year400
Nitrogen, ammonia total [as N]monthly average≤ .035 lb/dall year400
Nitrogen, ammonia total [as N]monthly maximum≤ .07 lb/dall year400
Nitrogen, Kjeldahl, total [as N]monthly minimumreport only (mg/L)all year400
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year400
Nitrogen, Kjeldahl, total [as N]monthly maximumreport only (mg/L)all year400
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year400
Nitrogen, Kjeldahl, total [as N]monthly maximumreport only (lb/d)all year400
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year400
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year400
Flow, in conduit or thru treatment plantmonthly maximum≤ .008 MGDall year400
Chlorine, total residualmonthly average≤ 28 ug/Lall year400
Chlorine, total residualmonthly maximum≤ 56 ug/Lall year400
Solids, total dissolvedmonthly averagereport only (mg/L)all year400
Solids, total dissolvedmonthly maximumreport only (mg/L)all year400
Coliform, fecal generalmonthly average≤ 200 #/100mLall year400
Coliform, fecal generalmonthly maximum≤ 400 #/100mLall year400
Specific conductancemonthly averagereport only (umho/cm)all year401
Specific conductancemonthly maximumreport only (umho/cm)all year401
Oxygen, dissolved [DO]monthly minimum≥ 6 mg/Lall year401
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year401
BOD, 5-day, 20 deg. Cmonthly maximum≤ 60 mg/Lall year401
BOD, 5-day, 20 deg. Cmonthly average≤ .25 lb/dall year401
BOD, 5-day, 20 deg. Cmonthly maximum≤ .5 lb/dall year401
pHmonthly minimum≥ 6 SUall year401
pHmonthly maximum≤ 9 SUall year401
Solids, total suspendedmonthly average≤ 30 mg/Lall year401
Solids, total suspendedmonthly maximum≤ 60 mg/Lall year401
Solids, total suspendedmonthly average≤ 1.5 lb/dall year401
Solids, total suspendedmonthly maximum≤ 3 lb/dall year401
Nitrogen, ammonia total [as N]monthly average≤ 4.27 mg/Lall year401
Nitrogen, ammonia total [as N]monthly maximum≤ 8.54 mg/Lall year401
Nitrogen, ammonia total [as N]monthly average≤ .035 lb/dall year401
Nitrogen, ammonia total [as N]monthly maximum≤ .07 lb/dall year401
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year401
Nitrogen, Kjeldahl, total [as N]monthly maximumreport only (mg/L)all year401
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year401
Nitrogen, Kjeldahl, total [as N]monthly maximumreport only (lb/d)all year401
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year401
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all year401
Flow, in conduit or thru treatment plantmonthly maximum≤ .008 MGDall year401
Chlorine, total residualmonthly minimumreport only (ug/L)all year401
Chlorine, total residualmonthly average≤ 28 ug/Lall year401
Chlorine, total residualmonthly maximum≤ 56 ug/Lall year401
Solids, total dissolvedmonthly averagereport only (mg/L)all year401
Solids, total dissolvedmonthly maximumreport only (mg/L)all year401
Coliform, fecal generalmonthly average≤ 200 #/100mLall year401
Coliform, fecal generalmonthly maximum≤ 400 #/100mLall year401
Stream flow, instantaneousmonthly averagereport only (cfs)all yearDPF
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearDPF
Specific conductancemonthly averagereport only (umho/cm)all yearDPF
Specific conductancemonthly maximumreport only (umho/cm)all yearDPF
pHmonthly minimumreport only (SU)all yearDPF
pHmonthly maximumreport only (SU)all yearDPF
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearDPF
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearDPF
Iron, total [as Fe]monthly averagereport only (mg/L)all yearDPF
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearDPF
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearDPF
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearDPF
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearDPF
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearDPF
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearDPF
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearDPF
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearDPF
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearDPF
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearDPF
Solids, total dissolvedmonthly averagereport only (mg/L)all yearDPF
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearDPF
Stream flow, instantaneousmonthly averagereport only (cfs)all yearUPF
Stream flow, instantaneousmonthly maximumreport only (cfs)all yearUPF
Specific conductancemonthly averagereport only (umho/cm)all yearUPF
Specific conductancemonthly maximumreport only (umho/cm)all yearUPF
pHmonthly minimumreport only (SU)all yearUPF
pHmonthly maximumreport only (SU)all yearUPF
Sulfate, total [as SO4]monthly averagereport only (mg/L)all yearUPF
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearUPF
Iron, total [as Fe]monthly minimumreport only (mg/L)all yearUPF
Iron, total [as Fe]monthly averagereport only (mg/L)all yearUPF
Iron, total [as Fe]monthly maximumreport only (mg/L)all yearUPF
Manganese, total [as Mn]monthly minimumreport only (mg/L)all yearUPF
Manganese, total [as Mn]monthly averagereport only (mg/L)all yearUPF
Manganese, total [as Mn]monthly maximumreport only (mg/L)all yearUPF
Aluminum, total [as Al]monthly minimumreport only (mg/L)all yearUPF
Aluminum, total [as Al]monthly averagereport only (mg/L)all yearUPF
Aluminum, total [as Al]monthly maximumreport only (mg/L)all yearUPF
Aluminum, dissolved [as Al]monthly minimumreport only (mg/L)all yearUPF
Aluminum, dissolved [as Al]monthly averagereport only (mg/L)all yearUPF
Aluminum, dissolved [as Al]monthly maximumreport only (mg/L)all yearUPF
Solids, total dissolvedmonthly averagereport only (mg/L)all yearUPF
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearUPF

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/WV0066656 · MCP: https://passage-data.com/mcp