Long Ridge Energy Generation LLC

NPDES permit OH0145092 · Minor NON-POTW · effective, expires 2028-01-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

0values over a limit
0required values missing, on 0 form(s)
0of 56 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (93)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001Oxygen demand, chem. [low level] [COD]MO AVG report only all year
001Oxygen demand, chem. [low level] [COD]DAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= .2 mg/L all year
001Mercury, total low levelMO AVG report only May, Nov
001Mercury, total low levelDAILY MX report only May, Nov
001Toxicity [acute], Ceriodaphnia dubiaMO AVG report only May
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only May
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only May
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only May
001pH, maximumDAILY MX <= 9 SU all year
001pH, minimumDAILY MN >= 6.5 SU all year
001Solids, total dissolved- 180 deg. CMO AVG report only all year
001Solids, total dissolved- 180 deg. CDAILY MX report only all year
001Chlorination durationDAILY MX <= 120 min all year
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
091Temperature, water deg. fahrenheitMO AVG report only all year
091Temperature, water deg. fahrenheitDAILY MX report only all year
091Oxygen demand, chem. [low level] [COD]MO AVG report only all year
091Oxygen demand, chem. [low level] [COD]DAILY MX report only all year
091Solids, total suspendedMO AVG report only all year
091Solids, total suspendedDAILY MX report only all year
091Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
091Zinc, total recoverableMO AVG report only all year
091Zinc, total recoverableDAILY MX report only all year
091Copper, total recoverableMO AVG report only all year
091Copper, total recoverableDAILY MX report only all year
091Flow, in conduit or thru treatment plantMO AVG report only all year
091Flow, in conduit or thru treatment plantDAILY MX report only all year
091Chlorine, total residualDAILY MX <= .038 mg/L all year
091Mercury, total low levelMO AVG report only May, Nov
091Mercury, total low levelDAILY MX report only May, Nov
091Toxicity [acute], Ceriodaphnia dubiaMO AVG report only May
091Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only May
091Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only May
091Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only May
091pH, maximumDAILY MX <= 9 SU all year
091pH, minimumDAILY MN >= 6.5 SU all year
091Solids, total dissolved- 180 deg. CMO AVG report only all year
091Solids, total dissolved- 180 deg. CDAILY MX report only all year
091BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
091BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
601pHDAILY MN report only all year
601pHDAILY MX report only all year
601Solids, total suspendedMO AVG <= 30 mg/L all year
601Solids, total suspendedDAILY MX <= 100 mg/L all year
601Solids, total suspendedMO AVG <= 9.82 kg/d all year
601Solids, total suspendedDAILY MX <= 32.8 kg/d all year
601Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
601Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
601Oil and grease, hexane extr methodMO AVG <= 4.91 kg/d all year
601Oil and grease, hexane extr methodDAILY MX <= 6.55 kg/d all year
601Flow, in conduit or thru treatment plantMO AVG report only all year
601Flow, in conduit or thru treatment plantDAILY MX report only all year
602pHDAILY MN report only all year
602pHDAILY MX report only all year
602Solids, total suspendedMO AVG <= 30 mg/L all year
602Solids, total suspendedDAILY MX <= 100 mg/L all year
602Solids, total suspendedMO AVG <= 7.53 kg/d all year
602Solids, total suspendedDAILY MX <= 25.1 kg/d all year
602Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
602Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
602Oil and grease, hexane extr methodMO AVG <= 3.77 kg/d all year
602Oil and grease, hexane extr methodDAILY MX <= 5.02 kg/d all year
602Flow, in conduit or thru treatment plantMO AVG report only all year
602Flow, in conduit or thru treatment plantDAILY MX report only all year
603pHDAILY MN report only all year
603pHDAILY MX report only all year
603Solids, total suspendedMO AVG <= 30 mg/L all year
603Solids, total suspendedDAILY MX <= 100 mg/L all year
603Solids, total suspendedMO AVG <= 8.51 kg/d all year
603Solids, total suspendedDAILY MX <= 28.4 kg/d all year
603Oil and grease, hexane extr methodMO AVG <= 15 mg/L all year
603Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
603Oil and grease, hexane extr methodMO AVG <= 4.26 kg/d all year
603Oil and grease, hexane extr methodDAILY MX <= 5.67 kg/d all year
603Flow, in conduit or thru treatment plantMO AVG report only all year
603Flow, in conduit or thru treatment plantDAILY MX report only all year
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only May
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only May
801%Effect Static Renewal 96Hr Acute Pimephales promelasMO AVG report only May
801%Effect Static Renewal 96Hr Acute Pimephales promelasDAILY MX report only May

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