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Lake Lynn Generation, LLC

Electric Services, Lake Lynn, West Virginia. NPDES permit WV0118061, in force until Dec 9, 2030. Last 12 months: over a limit 2 times (last June 2026), 1 of 9 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 002 form A monthly (16 values), outfall 001 form B quarterly, outfall 002 form B quarterly
Last report on file
August 2026

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
June 2026Solids, total suspended, daily maximum4 lb/d≤ 2.5 lb/d60%
June 2026Solids, total suspended, monthly average4 lb/d≤ 1.25 lb/d220%

Limits in force (49)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 60 mg/Lall year001
BOD, 5-day, 20 deg. Cinstantaneous maximum≤ 75 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 1.25 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 2.5 lb/dall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 60 mg/Lall year001
Solids, total suspendedinstantaneous maximum≤ 75 mg/Lall year001
Solids, total suspendedmonthly average≤ 1.25 lb/dall year001
Solids, total suspendeddaily maximum≤ 2.5 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 23.2 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 46.6 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ .97 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 1.94 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximum≤ .005 MGDall year001
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year001
Coliform, fecal generalinstantaneous maximum≤ 500 #/100mLall year001
Temperature, water deg. fahrenheitmonthly average≤ 116.8 deg FJan, Feb, Mar, Apr, Dec002
Temperature, water deg. fahrenheitmonthly average≤ 111.9 deg FMay–Nov002
Temperature, water deg. fahrenheitdaily maximum≤ 135.2 deg FJan, Feb, Mar, Apr, Dec002
Temperature, water deg. fahrenheitdaily maximum≤ 129.5 deg FMay–Nov002
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 maximum≤ 15 deg Fall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)all year002
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)all year002
Iron, total recoverablemonthly averagereport 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 recoverabledaily maximumreport only (mg/L)all year002
Aluminum, total recoverablemonthly averagereport 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 recoverabledaily maximumreport only (mg/L)all year002
Copper, total recoverablemonthly averagereport 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
Chemical Oxygen Demand [COD]monthly averagereport only (mg/L)all year002
Chemical Oxygen Demand [COD]daily maximumreport only (mg/L)all year002

How strict are these limits?

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/WV0118061 · MCP: https://passage-data.com/mcp