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Appalachian Power Company

Electric Services, Marmet, West Virginia. NPDES permit WV0078867, in force until Oct 22, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (10 values), outfall 002 form A monthly (8 values), outfall 003 form A monthly (8 values), outfall 004 form A monthly (16 values), outfall 001 form B quarterly, outfall 002 form B quarterly, and 1 more form
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 60 reports late

Limits in force (98)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Temp. diff. between samp. & upstrm deg. Fmonthly averagereport only (deg F)all year001
Temp. diff. between samp. & upstrm deg. Fdaily maximumreport only (deg F)all year001
Iron, total recoverablemonthly averagereport only (mg/L)all year001
Iron, total recoverablemonthly averagereport only (mg/L)all year001
Iron, total recoverabledaily maximumreport only (mg/L)all year001
Iron, total recoverabledaily maximumreport only (mg/L)all year001
Zinc, total recoverablemonthly averagereport only (mg/L)all year001
Zinc, total recoverabledaily maximumreport only (mg/L)all year001
Aluminum, total recoverablemonthly averagereport only (mg/L)all year001
Aluminum, total recoverablemonthly averagereport only (mg/L)all year001
Aluminum, total recoverabledaily maximumreport only (mg/L)all year001
Aluminum, total recoverabledaily maximumreport only (mg/L)all year001
Lead, total recoverablemonthly averagereport only (mg/L)all year001
Lead, total recoverablemonthly averagereport only (mg/L)all year001
Lead, total recoverabledaily maximumreport only (mg/L)all year001
Lead, total recoverabledaily maximumreport only (mg/L)all year001
Copper, total recoverablemonthly averagereport only (mg/L)all year001
Copper, total recoverablemonthly averagereport only (mg/L)all year001
Copper, total recoverabledaily maximumreport only (mg/L)all year001
Copper, total recoverabledaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year002
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year002
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year002
Temp. diff. between samp. & upstrm deg. Fmonthly averagereport only (deg F)all year002
Temp. diff. between samp. & upstrm deg. Fdaily maximumreport only (deg F)all year002
Iron, total recoverablemonthly averagereport only (mg/L)all year002
Iron, total recoverablemonthly averagereport only (mg/L)all year002
Iron, total recoverabledaily maximumreport only (mg/L)all year002
Iron, total recoverabledaily maximumreport only (mg/L)all year002
Zinc, total recoverablemonthly averagereport only (mg/L)all year002
Zinc, total recoverablemonthly averagereport only (mg/L)all year002
Zinc, total recoverabledaily maximumreport only (mg/L)all year002
Zinc, total recoverabledaily maximumreport only (mg/L)all year002
Aluminum, total recoverablemonthly averagereport only (mg/L)all year002
Aluminum, total recoverablemonthly averagereport only (mg/L)all year002
Aluminum, total recoverabledaily maximumreport only (mg/L)all year002
Aluminum, total recoverabledaily maximumreport only (mg/L)all year002
Lead, total recoverablemonthly averagereport only (mg/L)all year002
Lead, total recoverablemonthly averagereport only (mg/L)all year002
Lead, total recoverabledaily maximumreport only (mg/L)all year002
Lead, total recoverabledaily maximumreport only (mg/L)all year002
Copper, total recoverablemonthly averagereport only (mg/L)all year002
Copper, total recoverablemonthly averagereport only (mg/L)all year002
Copper, total recoverabledaily maximumreport only (mg/L)all year002
Copper, total recoverabledaily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year003
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year003
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year003
Temp. diff. between samp. & upstrm deg. Fmonthly averagereport only (deg F)all year003
Temp. diff. between samp. & upstrm deg. Fdaily maximumreport only (deg F)all year003
Iron, total recoverablemonthly averagereport only (mg/L)all year003
Iron, total recoverablemonthly averagereport only (mg/L)all year003
Iron, total recoverabledaily maximumreport only (mg/L)all year003
Iron, total recoverabledaily maximumreport only (mg/L)all year003
Zinc, total recoverablemonthly averagereport only (mg/L)all year003
Zinc, total recoverablemonthly averagereport only (mg/L)all year003
Zinc, total recoverabledaily maximumreport only (mg/L)all year003
Zinc, total recoverabledaily maximumreport only (mg/L)all year003
Aluminum, total recoverablemonthly averagereport only (mg/L)all year003
Aluminum, total recoverablemonthly averagereport only (mg/L)all year003
Aluminum, total recoverabledaily maximumreport only (mg/L)all year003
Aluminum, total recoverabledaily maximumreport only (mg/L)all year003
Lead, total recoverablemonthly averagereport only (mg/L)all year003
Lead, total recoverablemonthly averagereport only (mg/L)all year003
Lead, total recoverabledaily maximumreport only (mg/L)all year003
Lead, total recoverabledaily maximumreport only (mg/L)all year003
Copper, total recoverablemonthly averagereport only (mg/L)all year003
Copper, total recoverablemonthly averagereport only (mg/L)all year003
Copper, total recoverabledaily maximumreport only (mg/L)all year003
Copper, total recoverabledaily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspendedmonthly averagereport only (mg/L)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year004
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year004
Nickel, total recoverablemonthly averagereport only (mg/L)all year004
Nickel, total recoverabledaily maximumreport only (mg/L)all year004
Zinc, total recoverablemonthly averagereport only (mg/L)all year004
Zinc, total recoverabledaily maximumreport only (mg/L)all year004
Lead, total recoverablemonthly averagereport only (mg/L)all year004
Lead, total recoverabledaily maximumreport only (mg/L)all year004
Copper, total recoverablemonthly averagereport only (mg/L)all year004
Copper, total recoverabledaily maximumreport only (mg/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004

New limits from Dec 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Zinc, total recoverable, daily maximum0.249 mg/Lnew0.0242 mg/L (9 values)0.0972×
Zinc, total recoverable, monthly average0.072 mg/Lnew0.0242 mg/L (9 values)0.336×

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

Same industry: the 24 Electric Services permits in West Virginia.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WV0078867 · MCP: https://passage-data.com/mcp