Passage Data · Check a report · Use it from your AI

Aec SVC Co LLC

Bituminous Coal And Lignite - Surface, Dunbar, Pennsylvania. NPDES permit PA0251453 expired Apr 26, 2026; its limits still apply. Last 12 months: no values over a limit, 207 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (46 values), outfall 002 form A quarterly (46 values), outfall 003 form A quarterly (46 values)
Last report on file
March 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 27 of 36 reports late

Limits in force (138)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year001
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year001
Specific conductanceinstantaneous maximumreport only (umho/cm)all year001
Specific conductanceinstantaneous maximumreport only (umho/cm)all year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year001
Alkalinity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year001
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year001
Acidity, total [as CaCO3]instantaneous maximumreport only (mg/L)all year001
Solids, total suspendedmonthly average≤ 35 mg/Lall year001
Solids, total suspendedmonthly average≤ 35 mg/Lall year001
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year001
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year001
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year001
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year001
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year001
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year001
Iron, total [as Fe]monthly average≤ 3 mg/Lall year001
Iron, total [as Fe]monthly average≤ 3 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year001
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year001
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year001
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year001
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year001
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year001
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year001
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year001
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year001
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year001
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year001
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year001
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year001
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year001
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year001
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year001
Phenolinstantaneous maximumreport only (mg/L)all year001
Phenolinstantaneous maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (cfs)all year001
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (cfs)all year001
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year001
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year001
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year002
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)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
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
Solids, total suspendedmonthly average≤ 35 mg/Lall year002
Solids, total suspendedmonthly average≤ 35 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year002
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year002
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year002
Sulfate, total [as SO4]instantaneous maximumreport only (mg/L)all year002
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year002
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year002
Iron, total [as Fe]monthly average≤ 3 mg/Lall year002
Iron, total [as Fe]monthly average≤ 3 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year002
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year002
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year002
Iron, total [as Fe]instantaneous maximum≤ 7 mg/Lall year002
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year002
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year002
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year002
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year002
Manganese, total [as Mn]instantaneous maximum≤ 5 mg/Lall year002
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year002
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year002
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year002
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year002
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year002
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year002
Phenolinstantaneous maximumreport only (mg/L)all year002
Phenolinstantaneous maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (cfs)all year002
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (cfs)all 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
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
Cadmium, total [as Cd]instantaneous maximumreport only (mg/L)all year003
Cadmium, total [as Cd]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≤ .75 mg/Lall year003
Aluminum, total [as Al]monthly average≤ .75 mg/Lall year003
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year003
Aluminum, total [as Al]daily maximum≤ .75 mg/Lall year003
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year003
Aluminum, total [as Al]instantaneous maximum≤ .75 mg/Lall year003
Phenolinstantaneous maximumreport only (mg/L)all year003
Phenolinstantaneous maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (cfs)all year003
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (cfs)all year003
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year003
Alkalinity - Acidity [as CaCO3]instantaneous minimum≥ 0 mg/Lall year003

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.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0251453 · MCP: https://passage-data.com/mcp