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Allegheny Mineral Corp

Industrial or other facility, Slippery Rock, Pennsylvania. NPDES permit PA0107433, in force until Nov 29, 2028. Last 12 months: no values over a limit, 462 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 002 form A quarterly (36 values), outfall 003 form A quarterly (36 values), outfall 004 form A quarterly (36 values), outfall 005 form A quarterly (36 values), outfall 007 form A quarterly (36 values), outfall 008 form A quarterly (36 values), and 2 more forms
Last report on file
March 2026
Oct 2024 – Sep 2025
0 values over a limit, 36 required values missing, 56 of 96 reports late

Limits in force (298)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year002
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year002
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year002
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year002
Specific conductanceinstantaneous maximumreport only (umho/cm)all year002
Specific conductanceinstantaneous maximumreport only (umho/cm)all year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year002
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year002
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year002
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year002
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year002
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year002
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year002
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year002
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year002
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year002
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year002
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year002
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year002
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year002
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year002
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year002
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year002
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year002
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year002
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year002
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year002
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year002
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year003
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year003
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year003
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)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
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
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
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year003
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year003
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year003
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year003
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year003
Solids, settleableinstantaneous maximum≤ .5 mL/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]instantaneous maximum≤ 7 mg/Lall year003
Iron, total [as Fe]instantaneous maximum≤ 7 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
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
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year004
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)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
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
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
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year004
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year004
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year004
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year004
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year004
Solids, settleableinstantaneous maximum≤ .5 mL/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]instantaneous maximum≤ 7 mg/Lall year004
Iron, total [as Fe]instantaneous maximum≤ 7 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
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
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year005
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)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
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
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
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year005
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year005
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year005
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year005
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year005
Solids, settleableinstantaneous maximum≤ .5 mL/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]instantaneous maximum≤ 7 mg/Lall year005
Iron, total [as Fe]instantaneous maximum≤ 7 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
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year005
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year005
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year007
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year007
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year007
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year007
Specific conductanceinstantaneous maximumreport only (umho/cm)all year007
Specific conductanceinstantaneous maximumreport only (umho/cm)all year007
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous minimum≥ 6 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
pHinstantaneous maximum≤ 9 SUall year007
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year007
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year007
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year007
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year007
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year007
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year007
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year007
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year007
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year007
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year007
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year007
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year007
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year007
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year007
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year007
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year008
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year008
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year008
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year008
Specific conductanceinstantaneous maximumreport only (umho/cm)all year008
Specific conductanceinstantaneous maximumreport only (umho/cm)all year008
pHinstantaneous minimum≥ 6 SUall year008
pHinstantaneous minimum≥ 6 SUall year008
pHinstantaneous maximum≤ 9 SUall year008
pHinstantaneous maximum≤ 9 SUall year008
pHinstantaneous minimum≥ 6 SUall year008
pHinstantaneous minimum≥ 6 SUall year008
pHinstantaneous maximum≤ 9 SUall year008
pHinstantaneous maximum≤ 9 SUall year008
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year008
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year008
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year008
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year008
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year008
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year008
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year008
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year008
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year008
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year008
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year008
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year008
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year008
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year008
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year008
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year010
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year010
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year010
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year010
Specific conductanceinstantaneous maximumreport only (umho/cm)all year010
Specific conductanceinstantaneous maximumreport only (umho/cm)all year010
pHinstantaneous minimum≥ 6 SUall year010
pHinstantaneous minimum≥ 6 SUall year010
pHinstantaneous maximum≤ 9 SUall year010
pHinstantaneous maximum≤ 9 SUall year010
pHinstantaneous minimum≥ 6 SUall year010
pHinstantaneous minimum≥ 6 SUall year010
pHinstantaneous maximum≤ 9 SUall year010
pHinstantaneous maximum≤ 9 SUall year010
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year010
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year010
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year010
Solids, settleableinstantaneous maximum≤ .5 mL/Lall year010
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year010
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year010
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year010
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year010
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year010
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year010
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year010
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year010
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year010
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year010
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year012
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year012
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year012
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year012
Specific conductanceinstantaneous maximumreport only (umho/cm)all year012
Specific conductanceinstantaneous maximumreport only (umho/cm)all year012
pHinstantaneous minimum≥ 6 SUall year012
pHinstantaneous minimum≥ 6 SUall year012
pHinstantaneous maximum≤ 9 SUall year012
pHinstantaneous maximum≤ 9 SUall year012
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year012
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year012
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year012
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year012
Solids, total suspendedmonthly average≤ 35 mg/Lall year012
Solids, total suspendedmonthly average≤ 35 mg/Lall year012
Solids, total suspendeddaily maximum≤ 70 mg/Lall year012
Solids, total suspendeddaily maximum≤ 70 mg/Lall year012
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year012
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year012
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year012
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year012
Iron, total [as Fe]monthly average≤ 3 mg/Lall year012
Iron, total [as Fe]monthly average≤ 3 mg/Lall year012
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year012
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year012
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year012
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year012
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year012
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year012
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year012
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year012
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year012
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year012
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year012
Aluminum, total [as Al]monthly average≤ 2 mg/Lall year012
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year012
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year012
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year012
Aluminum, total [as Al]instantaneous maximum≤ 5 mg/Lall year012
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year012
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year012
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year012
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year012
Osmotic pressure, total, unf whl wtrinstantaneous maximum≤ 50 mOsm/kgall year012
Osmotic pressure, total, unf whl wtrinstantaneous maximum≤ 50 mOsm/kgall year012

How strict are these limits?

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

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