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Allegheny Mineral Corp

Industrial or other facility, Slippery Rock, Pennsylvania. NPDES permit PA0258440, in force until Nov 3, 2028. Last 12 months: no values over a limit, 48 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (32 values)
Last report on file
March 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 6 of 12 reports late

Limits in force (32)

ParameterStatisticLimitMonths
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year
Temperature, water deg. fahrenheitinstantaneous maximumreport only (deg F)all year
Specific conductanceinstantaneous maximumreport only (umho/cm)all year
Specific conductanceinstantaneous maximumreport only (umho/cm)all year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
pHinstantaneous maximum≤ 9 SUall year
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0258440 · MCP: https://passage-data.com/mcp