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Simkol Corp

Bituminous Coal And Lignite - Surface, Meyersdale, Pennsylvania. NPDES permit PA0120944, in force until Jul 20, 2029. Last 12 months: no values over a limit, 1002 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 005 form A quarterly, outfall 007 form A quarterly, outfall 008 form A quarterly, outfall 009 form A quarterly, outfall 015 form A quarterly, outfall 016 form A quarterly, and 13 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 372 reports late

Limits in force (501)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year005
Specific conductanceinstantaneous maximumreport only (umho/cm)all year005
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 10 SUall year005
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year005
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year005
Solids, total suspendedmonthly average≤ 35 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year005
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year005
Iron, total [as Fe]monthly average≤ 3 mg/Lall year005
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year005
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year005
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year005
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year005
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year005
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year005
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year005
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year005
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year005
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year005
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year007
Specific conductanceinstantaneous maximumreport only (umho/cm)all year007
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous maximum≤ 10 SUall year007
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Solids, total suspendedmonthly average≤ 35 mg/Lall year007
Solids, total suspendeddaily maximum≤ 70 mg/Lall year007
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year007
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year007
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year007
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year007
Iron, total [as Fe]instantaneous maximum≤ 3.7 mg/Lall year007
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year007
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year007
Manganese, total [as Mn]instantaneous maximum≤ 2.5 mg/Lall year007
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year007
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year007
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year007
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year007
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year007
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year008
Specific conductanceinstantaneous maximumreport only (umho/cm)all year008
pHinstantaneous minimum≥ 6 SUall year008
pHinstantaneous maximum≤ 10 SUall year008
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Solids, total suspendedmonthly average≤ 35 mg/Lall year008
Solids, total suspendeddaily maximum≤ 70 mg/Lall year008
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year008
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year008
Iron, total [as Fe]monthly average≤ 3 mg/Lall year008
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year008
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year008
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year008
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year008
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year008
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year008
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year008
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year008
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year008
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year008
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year009
Specific conductanceinstantaneous maximumreport only (umho/cm)all year009
pHinstantaneous minimum≥ 6 SUall year009
pHinstantaneous maximum≤ 10 SUall year009
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year009
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year009
Solids, total suspendedmonthly average≤ 35 mg/Lall year009
Solids, total suspendeddaily maximum≤ 70 mg/Lall year009
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year009
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year009
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year009
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year009
Iron, total [as Fe]instantaneous maximum≤ 3.7 mg/Lall year009
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year009
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year009
Manganese, total [as Mn]instantaneous maximum≤ 2.5 mg/Lall year009
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year009
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year009
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year009
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year009
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year009
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year015
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year015
Specific conductanceinstantaneous maximumreport only (umho/cm)all year015
Specific conductanceinstantaneous maximumreport only (umho/cm)all year015
pHinstantaneous minimum≥ 6 SUall year015
pHinstantaneous maximum≤ 9 SUall year015
pHinstantaneous minimum≥ 6 SUall year015
pHinstantaneous maximum≤ 9 SUall year015
pHinstantaneous minimum≥ 6 SUall year015
pHinstantaneous maximum≤ 9 SUall year015
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year015
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year015
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year015
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year015
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year015
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year015
Solids, total suspendedmonthly average≤ 35 mg/Lall year015
Solids, total suspendeddaily maximum≤ 70 mg/Lall year015
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year015
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year015
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year015
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year015
Iron, total [as Fe]monthly average≤ 3 mg/Lall year015
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year015
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year015
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year015
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year015
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year015
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year015
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year015
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year015
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year015
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year015
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year015
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year015
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year016
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year016
Specific conductanceinstantaneous maximumreport only (umho/cm)all year016
Specific conductanceinstantaneous maximumreport only (umho/cm)all year016
pHinstantaneous minimum≥ 6 SUall year016
pHinstantaneous maximum≤ 9 SUall year016
pHinstantaneous minimum≥ 6 SUall year016
pHinstantaneous maximum≤ 9 SUall year016
pHinstantaneous minimum≥ 6 SUall year016
pHinstantaneous maximum≤ 9 SUall year016
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year016
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year016
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year016
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year016
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year016
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year016
Solids, total suspendedmonthly average≤ 35 mg/Lall year016
Solids, total suspendeddaily maximum≤ 70 mg/Lall year016
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year016
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year016
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year016
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year016
Iron, total [as Fe]monthly average≤ 3 mg/Lall year016
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year016
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year016
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year016
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year016
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year016
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year016
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year016
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year016
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year016
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year016
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year016
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year016
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year018
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year018
Specific conductanceinstantaneous maximumreport only (umho/cm)all year018
Specific conductanceinstantaneous maximumreport only (umho/cm)all year018
pHinstantaneous minimum≥ 6 SUall year018
pHinstantaneous maximum≤ 9 SUall year018
pHinstantaneous minimum≥ 6 SUall year018
pHinstantaneous maximum≤ 9 SUall year018
pHinstantaneous minimum≥ 6 SUall year018
pHinstantaneous maximum≤ 9 SUall year018
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year018
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year018
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year018
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year018
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year018
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year018
Solids, total suspendedmonthly average≤ 35 mg/Lall year018
Solids, total suspendeddaily maximum≤ 70 mg/Lall year018
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year018
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year018
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year018
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year018
Iron, total [as Fe]monthly average≤ 3 mg/Lall year018
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year018
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year018
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year018
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year018
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year018
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year018
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year018
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year018
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year018
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year018
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year018
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year018
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year019
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year019
Specific conductanceinstantaneous maximumreport only (umho/cm)all year019
Specific conductanceinstantaneous maximumreport only (umho/cm)all year019
pHinstantaneous minimum≥ 6 SUall year019
pHinstantaneous maximum≤ 9 SUall year019
pHinstantaneous minimum≥ 6 SUall year019
pHinstantaneous maximum≤ 9 SUall year019
pHinstantaneous minimum≥ 6 SUall year019
pHinstantaneous maximum≤ 9 SUall year019
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year019
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year019
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year019
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year019
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year019
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year019
Solids, total suspendedmonthly average≤ 35 mg/Lall year019
Solids, total suspendeddaily maximum≤ 70 mg/Lall year019
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year019
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year019
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year019
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year019
Iron, total [as Fe]monthly average≤ 3 mg/Lall year019
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year019
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year019
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year019
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year019
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year019
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year019
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year019
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year019
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year019
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year019
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year019
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year019
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year028
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year028
Specific conductanceinstantaneous maximumreport only (umho/cm)all year028
Specific conductanceinstantaneous maximumreport only (umho/cm)all year028
pHinstantaneous minimum≥ 6 SUall year028
pHinstantaneous maximum≤ 9 SUall year028
pHinstantaneous minimum≥ 6 SUall year028
pHinstantaneous maximum≤ 9 SUall year028
pHinstantaneous minimum≥ 6 SUall year028
pHinstantaneous maximum≤ 9 SUall year028
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year028
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year028
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year028
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year028
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year028
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year028
Solids, total suspendedmonthly average≤ 35 mg/Lall year028
Solids, total suspendeddaily maximum≤ 70 mg/Lall year028
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year028
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year028
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year028
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year028
Iron, total [as Fe]monthly average≤ 3 mg/Lall year028
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year028
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year028
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year028
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year028
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year028
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year028
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year028
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year028
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year028
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year028
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year028
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year028
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year029
Specific conductanceinstantaneous maximumreport only (umho/cm)all year029
pHinstantaneous minimum≥ 6 SUall year029
pHinstantaneous maximum≤ 9 SUall year029
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year029
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year029
Solids, total suspendedmonthly average≤ 35 mg/Lall year029
Solids, total suspendeddaily maximum≤ 70 mg/Lall year029
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year029
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year029
Iron, total [as Fe]monthly average≤ 2.7 mg/Lall year029
Iron, total [as Fe]daily maximum≤ 5.4 mg/Lall year029
Iron, total [as Fe]instantaneous maximum≤ 6.7 mg/Lall year029
Manganese, total [as Mn]monthly average≤ 1.8 mg/Lall year029
Manganese, total [as Mn]daily maximum≤ 3.6 mg/Lall year029
Manganese, total [as Mn]instantaneous maximum≤ 4.5 mg/Lall year029
Aluminum, total [as Al]monthly average≤ 1.3 mg/Lall year029
Aluminum, total [as Al]daily maximum≤ 2.6 mg/Lall year029
Aluminum, total [as Al]instantaneous maximum≤ 3.2 mg/Lall year029
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year029
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year029
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year030
Specific conductanceinstantaneous maximumreport only (umho/cm)all year030
pHinstantaneous minimum≥ 6 SUall year030
pHinstantaneous maximum≤ 9 SUall year030
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year030
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year030
Solids, total suspendedmonthly average≤ 35 mg/Lall year030
Solids, total suspendeddaily maximum≤ 70 mg/Lall year030
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year030
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year030
Iron, total [as Fe]monthly average≤ 2.7 mg/Lall year030
Iron, total [as Fe]daily maximum≤ 5.4 mg/Lall year030
Iron, total [as Fe]instantaneous maximum≤ 6.7 mg/Lall year030
Manganese, total [as Mn]monthly average≤ 1.8 mg/Lall year030
Manganese, total [as Mn]daily maximum≤ 3.6 mg/Lall year030
Manganese, total [as Mn]instantaneous maximum≤ 4.5 mg/Lall year030
Aluminum, total [as Al]monthly average≤ 1.3 mg/Lall year030
Aluminum, total [as Al]daily maximum≤ 2.6 mg/Lall year030
Aluminum, total [as Al]instantaneous maximum≤ 3.2 mg/Lall year030
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year030
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year030
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year031
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year031
Specific conductanceinstantaneous maximumreport only (umho/cm)all year031
Specific conductanceinstantaneous maximumreport only (umho/cm)all year031
pHinstantaneous minimum≥ 6 SUall year031
pHinstantaneous maximum≤ 9 SUall year031
pHinstantaneous minimum≥ 6 SUall year031
pHinstantaneous maximum≤ 9 SUall year031
pHinstantaneous minimum≥ 6 SUall year031
pHinstantaneous maximum≤ 9 SUall year031
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year031
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year031
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year031
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year031
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year031
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year031
Solids, total suspendedmonthly average≤ 35 mg/Lall year031
Solids, total suspendeddaily maximum≤ 70 mg/Lall year031
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year031
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year031
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year031
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year031
Iron, total [as Fe]monthly average≤ 3 mg/Lall year031
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year031
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year031
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year031
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year031
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year031
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year031
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year031
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year031
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year031
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year031
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year031
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year031
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year036
Specific conductanceinstantaneous maximumreport only (umho/cm)all year036
pHinstantaneous minimum≥ 6 SUall year036
pHinstantaneous maximum≤ 10 SUall year036
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year036
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year036
Solids, total suspendedmonthly average≤ 35 mg/Lall year036
Solids, total suspendeddaily maximum≤ 70 mg/Lall year036
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year036
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year036
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year036
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year036
Iron, total [as Fe]instantaneous maximum≤ 3.7 mg/Lall year036
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year036
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year036
Manganese, total [as Mn]instantaneous maximum≤ 2.5 mg/Lall year036
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year036
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year036
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year036
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year036
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year036
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year037
Specific conductanceinstantaneous maximumreport only (umho/cm)all year037
pHinstantaneous minimum≥ 6 SUall year037
pHinstantaneous maximum≤ 10 SUall year037
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year037
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year037
Solids, total suspendedmonthly average≤ 35 mg/Lall year037
Solids, total suspendeddaily maximum≤ 70 mg/Lall year037
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year037
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year037
Iron, total [as Fe]monthly average≤ 1.5 mg/Lall year037
Iron, total [as Fe]daily maximum≤ 3 mg/Lall year037
Iron, total [as Fe]instantaneous maximum≤ 3.7 mg/Lall year037
Manganese, total [as Mn]monthly average≤ 1 mg/Lall year037
Manganese, total [as Mn]daily maximum≤ 2 mg/Lall year037
Manganese, total [as Mn]instantaneous maximum≤ 2.5 mg/Lall year037
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year037
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year037
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year037
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year037
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year037
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year038
Specific conductanceinstantaneous maximumreport only (umho/cm)all year038
pHinstantaneous minimum≥ 6 SUall year038
pHinstantaneous maximum≤ 9 SUall year038
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year038
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year038
Solids, total suspendedmonthly average≤ 35 mg/Lall year038
Solids, total suspendeddaily maximum≤ 70 mg/Lall year038
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year038
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year038
Iron, total [as Fe]monthly average≤ 2.7 mg/Lall year038
Iron, total [as Fe]daily maximum≤ 5.4 mg/Lall year038
Iron, total [as Fe]instantaneous maximum≤ 6.7 mg/Lall year038
Manganese, total [as Mn]monthly average≤ 1.8 mg/Lall year038
Manganese, total [as Mn]daily maximum≤ 3.6 mg/Lall year038
Manganese, total [as Mn]instantaneous maximum≤ 4.5 mg/Lall year038
Aluminum, total [as Al]monthly average≤ 1.3 mg/Lall year038
Aluminum, total [as Al]daily maximum≤ 2.6 mg/Lall year038
Aluminum, total [as Al]instantaneous maximum≤ 3.2 mg/Lall year038
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year038
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year038
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year039
Specific conductanceinstantaneous maximumreport only (umho/cm)all year039
pHinstantaneous minimum≥ 6 SUall year039
pHinstantaneous maximum≤ 9 SUall year039
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year039
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year039
Solids, total suspendedmonthly average≤ 35 mg/Lall year039
Solids, total suspendeddaily maximum≤ 70 mg/Lall year039
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year039
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year039
Iron, total [as Fe]monthly average≤ 2.7 mg/Lall year039
Iron, total [as Fe]daily maximum≤ 5.4 mg/Lall year039
Iron, total [as Fe]instantaneous maximum≤ 6.7 mg/Lall year039
Manganese, total [as Mn]monthly average≤ 1.8 mg/Lall year039
Manganese, total [as Mn]daily maximum≤ 3.6 mg/Lall year039
Manganese, total [as Mn]instantaneous maximum≤ 4.5 mg/Lall year039
Aluminum, total [as Al]monthly average≤ 1.3 mg/Lall year039
Aluminum, total [as Al]daily maximum≤ 2.6 mg/Lall year039
Aluminum, total [as Al]instantaneous maximum≤ 3.2 mg/Lall year039
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year039
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year039
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year040
Specific conductanceinstantaneous maximumreport only (umho/cm)all year040
pHinstantaneous minimum≥ 6 SUall year040
pHinstantaneous maximum≤ 9 SUall year040
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year040
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year040
Solids, total suspendedmonthly average≤ 35 mg/Lall year040
Solids, total suspendeddaily maximum≤ 70 mg/Lall year040
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year040
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year040
Iron, total [as Fe]monthly average≤ 2.7 mg/Lall year040
Iron, total [as Fe]daily maximum≤ 5.4 mg/Lall year040
Iron, total [as Fe]instantaneous maximum≤ 6.7 mg/Lall year040
Manganese, total [as Mn]monthly average≤ 1.8 mg/Lall year040
Manganese, total [as Mn]daily maximum≤ 3.6 mg/Lall year040
Manganese, total [as Mn]instantaneous maximum≤ 4.5 mg/Lall year040
Aluminum, total [as Al]monthly average≤ 1.3 mg/Lall year040
Aluminum, total [as Al]daily maximum≤ 2.6 mg/Lall year040
Aluminum, total [as Al]instantaneous maximum≤ 3.2 mg/Lall year040
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year040
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year040
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year041
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year041
Specific conductanceinstantaneous maximumreport only (umho/cm)all year041
Specific conductanceinstantaneous maximumreport only (umho/cm)all year041
pHinstantaneous minimum≥ 6 SUall year041
pHinstantaneous maximum≤ 9 SUall year041
pHinstantaneous minimum≥ 6 SUall year041
pHinstantaneous maximum≤ 9 SUall year041
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year041
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year041
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year041
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year041
Solids, total suspendedmonthly average≤ 35 mg/Lall year041
Solids, total suspendeddaily maximum≤ 70 mg/Lall year041
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year041
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year041
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year041
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year041
Iron, total [as Fe]monthly average≤ 3 mg/Lall year041
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year041
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year041
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year041
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year041
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year041
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year041
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year041
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year041
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year041
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year041
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year041
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year042
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year042
Specific conductanceinstantaneous maximumreport only (umho/cm)all year042
Specific conductanceinstantaneous maximumreport only (umho/cm)all year042
pHinstantaneous minimum≥ 6 SUall year042
pHinstantaneous maximum≤ 9 SUall year042
pHinstantaneous minimum≥ 6 SUall year042
pHinstantaneous maximum≤ 9 SUall year042
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year042
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year042
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year042
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year042
Solids, total suspendedmonthly average≤ 35 mg/Lall year042
Solids, total suspendeddaily maximum≤ 70 mg/Lall year042
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year042
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year042
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year042
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year042
Iron, total [as Fe]monthly average≤ 3 mg/Lall year042
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year042
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year042
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year042
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year042
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year042
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year042
Aluminum, total [as Al]instantaneous maximumreport only (mg/L)all year042
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year042
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year042
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year042
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year042

How strict are these limits?

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

Same industry: the 351 Coal Mining permits in Pennsylvania.

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