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Mon River Aggregates LLC

Industrial or other facility, Clarksville, Pennsylvania. NPDES permit PA0251712, in force until Jun 9, 2030. Last 12 months: no values over a limit, 198 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 010 form A quarterly, outfall 011 form A quarterly, outfall 013 form A quarterly
Last report on file
March 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 48 reports late

Limits in force (66)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year010
Specific conductanceinstantaneous maximumreport only (umho/cm)all year010
pHinstantaneous minimum≥ 6 SUall year010
pHinstantaneous maximum≤ 9 SUall year010
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year010
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year010
Iron, total [as Fe]monthly average≤ 3 mg/Lall year010
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year010
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year010
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year010
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year010
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year010
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year010
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year010
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year010
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year010
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year010
Solids, total dissolvedinstantaneous maximumreport only (mg/L)all year010
Osmotic pressure, total, unf whl wtrmonthly averagereport only (mOsm/kg)all year010
Osmotic pressure, total, unf whl wtrdaily maximumreport only (mOsm/kg)all year010
Osmotic pressure, total, unf whl wtrinstantaneous maximumreport only (mOsm/kg)all year010
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year011
Specific conductanceinstantaneous maximumreport only (umho/cm)all year011
pHinstantaneous minimum≥ 6 SUall year011
pHinstantaneous maximum≤ 9 SUall year011
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year011
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year011
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year011
Iron, total [as Fe]monthly average≤ 3 mg/Lall year011
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year011
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year011
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year011
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year011
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year011
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year011
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year011
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year011
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year011
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year011
Solids, total dissolvedinstantaneous maximumreport only (mg/L)all year011
Osmotic pressure, total, unf whl wtrmonthly averagereport only (mOsm/kg)all year011
Osmotic pressure, total, unf whl wtrdaily maximumreport only (mOsm/kg)all year011
Osmotic pressure, total, unf whl wtrinstantaneous maximumreport only (mOsm/kg)all year011
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year013
Specific conductanceinstantaneous maximumreport only (umho/cm)all year013
pHinstantaneous minimum≥ 6 SUall year013
pHinstantaneous maximum≤ 9 SUall year013
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year013
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year013
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year013
Iron, total [as Fe]monthly average≤ 3 mg/Lall year013
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year013
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year013
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year013
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year013
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year013
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year013
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year013
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year013
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year013
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year013
Solids, total dissolvedinstantaneous maximumreport only (mg/L)all year013
Osmotic pressure, total, unf whl wtrmonthly averagereport only (mOsm/kg)all year013
Osmotic pressure, total, unf whl wtrdaily maximumreport only (mOsm/kg)all year013
Osmotic pressure, total, unf whl wtrinstantaneous maximumreport only (mOsm/kg)all year013

How strict are these limits?

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/PA0251712 · MCP: https://passage-data.com/mcp