LAKE LYNN GENERATION, LLC

NPDES permit WV0118061 · Minor NON-POTW · effective, expires 2030-12-09 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
1of 8 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (49)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 60 mg/L all year
001BOD, 5-day, 20 deg. CINST MAX <= 75 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 1.25 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 2.5 lb/d all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Solids, total suspendedINST MAX <= 75 mg/L all year
001Solids, total suspendedMO AVG <= 1.25 lb/d all year
001Solids, total suspendedDAILY MX <= 2.5 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 23.2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 46.6 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= .97 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 1.94 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= .005 MGD all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL all year
001Coliform, fecal generalINST MAX <= 500 #/100mL all year
002Temperature, water deg. fahrenheitMO AVG <= 116.8 deg F Jan, Feb, Mar, Apr, Dec
002Temperature, water deg. fahrenheitMO AVG <= 111.9 deg F May, Jun, Jul, Aug, Sep, Oct, Nov
002Temperature, water deg. fahrenheitDAILY MX <= 135.2 deg F Jan, Feb, Mar, Apr, Dec
002Temperature, water deg. fahrenheitDAILY MX <= 129.5 deg F May, Jun, Jul, Aug, Sep, Oct, Nov
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
002Temp. diff. between samp. & upstrm deg. FDAILY MX <= 15 deg F all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil and grease, hexane extr methodMO AVG report only all year
002Oil and grease, hexane extr methodDAILY MX report only all year
002Iron, total recoverableMO AVG report only all year
002Iron, total recoverableDAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX report only all year
002Aluminum, total recoverableMO AVG report only all year
002Aluminum, total recoverableDAILY MX report only all year
002Lead, total recoverableMO AVG report only all year
002Lead, total recoverableDAILY MX report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chemical Oxygen Demand [COD]MO AVG report only all year
002Chemical Oxygen Demand [COD]DAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states