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Alverda Enterprises Inc

Bituminous Coal And Lignite - Surface, Homer City, Pennsylvania. NPDES permit PA0605778, in force until Sep 4, 2029. Last 12 months: no values over a limit, 210 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 003 form A quarterly, outfall 004 form A quarterly, outfall 005 form A quarterly, outfall 014 form A quarterly, outfall 015 form A quarterly, outfall 016 form A quarterly, and 4 more forms
Last report on file
May 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 108 reports late

Limits in force (420)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year003
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year003
Specific conductanceinstantaneous maximumreport only (umho/cm)all year003
Specific conductanceinstantaneous maximumreport only (umho/cm)all year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year003
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year003
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year003
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year003
Solids, total suspendedmonthly average≤ 35 mg/Lall year003
Solids, total suspendedmonthly average≤ 35 mg/Lall year003
Solids, total suspendeddaily maximum≤ 70 mg/Lall year003
Solids, total suspendeddaily maximum≤ 70 mg/Lall year003
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year003
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year003
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year003
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year003
Iron, total [as Fe]monthly average≤ 3 mg/Lall year003
Iron, total [as Fe]monthly average≤ 3 mg/Lall year003
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year003
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year003
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year003
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year003
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year003
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year003
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year003
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year003
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year003
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year003
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year003
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year003
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year003
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year003
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year003
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year003
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year003
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year003
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year003
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year003
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year004
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year004
Specific conductanceinstantaneous maximumreport only (umho/cm)all year004
Specific conductanceinstantaneous maximumreport only (umho/cm)all year004
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year004
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year004
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year004
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year004
Solids, total suspendedmonthly average≤ 35 mg/Lall year004
Solids, total suspendedmonthly average≤ 35 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, total suspendeddaily maximum≤ 70 mg/Lall year004
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year004
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year004
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year004
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year004
Iron, total [as Fe]monthly average≤ 3 mg/Lall year004
Iron, total [as Fe]monthly average≤ 3 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year004
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year004
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year004
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year004
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year004
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year004
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year004
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year004
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year004
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year004
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year004
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year004
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year004
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year004
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year004
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year004
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year004
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year004
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year004
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year004
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year005
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year005
Specific conductanceinstantaneous maximumreport only (umho/cm)all year005
Specific conductanceinstantaneous maximumreport only (umho/cm)all year005
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous minimum≥ 6 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
pHinstantaneous maximum≤ 9 SUall year005
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year005
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year005
Acidity, 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 suspendedmonthly average≤ 35 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, total suspendeddaily maximum≤ 70 mg/Lall year005
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year005
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year005
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all 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]monthly average≤ 3 mg/Lall year005
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year005
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year005
Iron, total [as Fe]instantaneous maximum≤ 7 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]monthly average≤ 2 mg/Lall year005
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year005
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year005
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year005
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year005
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year005
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year005
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year005
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year005
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year005
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year005
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year005
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year005
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year005
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year005
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year014
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year014
Specific conductanceinstantaneous maximumreport only (umho/cm)all year014
Specific conductanceinstantaneous maximumreport only (umho/cm)all year014
pHinstantaneous minimum≥ 6 SUall year014
pHinstantaneous minimum≥ 6 SUall year014
pHinstantaneous maximum≤ 9 SUall year014
pHinstantaneous maximum≤ 9 SUall year014
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year014
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year014
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year014
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year014
Solids, total suspendedmonthly average≤ 35 mg/Lall year014
Solids, total suspendedmonthly average≤ 35 mg/Lall year014
Solids, total suspendeddaily maximum≤ 70 mg/Lall year014
Solids, total suspendeddaily maximum≤ 70 mg/Lall year014
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year014
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year014
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year014
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year014
Iron, total [as Fe]monthly average≤ 3 mg/Lall year014
Iron, total [as Fe]monthly average≤ 3 mg/Lall year014
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year014
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year014
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year014
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year014
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year014
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year014
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year014
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year014
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year014
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year014
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year014
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year014
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year014
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year014
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year014
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year014
Flow, in conduit or thru treatment plantinstantaneous minimumreport only (gal/min)all year014
Flow, in conduit or thru treatment plantinstantaneous minimumreport only (gal/min)all year014
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year014
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year014
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 minimum≥ 6 SUall year015
pHinstantaneous maximum≤ 9 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
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 suspendedmonthly average≤ 35 mg/Lall year015
Solids, total suspendeddaily maximum≤ 70 mg/Lall year015
Solids, total suspendeddaily maximum≤ 70 mg/Lall year015
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year015
Solids, total suspendedinstantaneous maximum≤ 90 mg/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]monthly average≤ 3 mg/Lall year015
Iron, total [as Fe]daily maximum≤ 6 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]monthly average≤ 2 mg/Lall year015
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year015
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year015
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year015
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year015
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year015
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year015
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year015
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year015
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year015
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall 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
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 minimum≥ 6 SUall year016
pHinstantaneous maximum≤ 9 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
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 suspendedmonthly average≤ 35 mg/Lall year016
Solids, total suspendeddaily maximum≤ 70 mg/Lall year016
Solids, total suspendeddaily maximum≤ 70 mg/Lall year016
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year016
Solids, total suspendedinstantaneous maximum≤ 90 mg/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]monthly average≤ 3 mg/Lall year016
Iron, total [as Fe]daily maximum≤ 6 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]monthly average≤ 2 mg/Lall year016
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year016
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year016
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year016
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year016
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year016
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year016
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year016
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year016
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year016
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall 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
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year017
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year017
Specific conductanceinstantaneous maximumreport only (umho/cm)all year017
Specific conductanceinstantaneous maximumreport only (umho/cm)all year017
pHinstantaneous minimum≥ 6 SUall year017
pHinstantaneous minimum≥ 6 SUall year017
pHinstantaneous maximum≤ 9 SUall year017
pHinstantaneous maximum≤ 9 SUall year017
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year017
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year017
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year017
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year017
Solids, total suspendedmonthly average≤ 35 mg/Lall year017
Solids, total suspendedmonthly average≤ 35 mg/Lall year017
Solids, total suspendeddaily maximum≤ 70 mg/Lall year017
Solids, total suspendeddaily maximum≤ 70 mg/Lall year017
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year017
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year017
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year017
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year017
Iron, total [as Fe]monthly average≤ 3 mg/Lall year017
Iron, total [as Fe]monthly average≤ 3 mg/Lall year017
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year017
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year017
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year017
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year017
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year017
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year017
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year017
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year017
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year017
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year017
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year017
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year017
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year017
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year017
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year017
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year017
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year017
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year017
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year017
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year017
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 minimum≥ 6 SUall year018
pHinstantaneous maximum≤ 9 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
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 suspendedmonthly average≤ 35 mg/Lall year018
Solids, total suspendeddaily maximum≤ 70 mg/Lall year018
Solids, total suspendeddaily maximum≤ 70 mg/Lall year018
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year018
Solids, total suspendedinstantaneous maximum≤ 90 mg/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]monthly average≤ 3 mg/Lall year018
Iron, total [as Fe]daily maximum≤ 6 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]monthly average≤ 2 mg/Lall year018
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year018
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year018
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year018
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year018
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year018
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year018
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year018
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year018
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year018
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall 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
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 minimum≥ 6 SUall year019
pHinstantaneous maximum≤ 9 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
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 suspendedmonthly average≤ 35 mg/Lall year019
Solids, total suspendeddaily maximum≤ 70 mg/Lall year019
Solids, total suspendeddaily maximum≤ 70 mg/Lall year019
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year019
Solids, total suspendedinstantaneous maximum≤ 90 mg/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]monthly average≤ 3 mg/Lall year019
Iron, total [as Fe]daily maximum≤ 6 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]monthly average≤ 2 mg/Lall year019
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year019
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year019
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year019
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year019
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year019
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year019
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year019
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year019
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year019
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall 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
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year020
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year020
Specific conductanceinstantaneous maximumreport only (umho/cm)all year020
Specific conductanceinstantaneous maximumreport only (umho/cm)all year020
pHinstantaneous minimum≥ 6 SUall year020
pHinstantaneous minimum≥ 6 SUall year020
pHinstantaneous maximum≤ 9 SUall year020
pHinstantaneous maximum≤ 9 SUall year020
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year020
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year020
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year020
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year020
Solids, total suspendedmonthly average≤ 35 mg/Lall year020
Solids, total suspendedmonthly average≤ 35 mg/Lall year020
Solids, total suspendeddaily maximum≤ 70 mg/Lall year020
Solids, total suspendeddaily maximum≤ 70 mg/Lall year020
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year020
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year020
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year020
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year020
Iron, total [as Fe]monthly average≤ 3 mg/Lall year020
Iron, total [as Fe]monthly average≤ 3 mg/Lall year020
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year020
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year020
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year020
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year020
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year020
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year020
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year020
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year020
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year020
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year020
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year020
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year020
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year020
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year020
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year020
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year020
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year020
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year020
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year020
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year020

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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