Avon Lake Regional Water

NPDES permit OH0023981 · Major POTW · effective, expires 2026-12-31 · 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 48 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 (141)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN report only all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedWKLY MAX <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 492 kg/d all year
001Solids, total suspendedWKLY MAX <= 737 kg/d all year
001Oil and grease, hexane extr methodDAILY MX <= 5 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Phosphorus, total [as P]WKLY MAX <= 1.5 mg/L all year
001Phosphorus, total [as P]MO AVG <= 24.5 kg/d all year
001Phosphorus, total [as P]WKLY MAX <= 36.9 kg/d all year
001Phosphate, ortho, dissolved [as P]MO AVG report only all year
001Phosphate, ortho, dissolved [as P]DAILY MX report only all year
001Nickel, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Nickel, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Cadmium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Cadmium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Lead, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Lead, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Chromium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Chromium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
001E. coli, MTEC-MFMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001E. coli, MTEC-MFWK GEOMN <= 284 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Mercury, total low levelMO AVG <= 5.3 ng/L all year
001Mercury, total low levelDAILY MX <= 1100 ng/L all year
001Mercury, total low levelMO AVG <= .000131 kg/d all year
001Mercury, total low levelDAILY MX <= .0271 kg/d all year
001Cyanide, free availableMO AVG report only all year
001Cyanide, free availableDAILY MX report only all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 tox acute Mar, Sep
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 11 tox chronic Mar, Sep
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
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 23 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 369 kg/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 566 kg/d all year
017OverflowsMO AVG report only all year
017OverflowsDAILY MX report only all year
300OverflowsMO AVG report only all year
300OverflowsDAILY MX report only all year
581Nitrogen, ammonia in bottom depositsMO AVG report only Mar, Jun, Sep, Dec
581Nitrogen, ammonia in bottom depositsDAILY MX report only Mar, Jun, Sep, Dec
581Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Jun, Sep, Dec
581Nitrogen, Kjeldahl, total [as N]DAILY MX report only Mar, Jun, Sep, Dec
581Phosphorous, total, in bottom depositsMO AVG report only Mar, Jun, Sep, Dec
581Phosphorous, total, in bottom depositsDAILY MX report only Mar, Jun, Sep, Dec
581Potassium, in bottom depositsMO AVG report only Mar, Jun, Sep, Dec
581Potassium, in bottom depositsDAILY MX report only Mar, Jun, Sep, Dec
581Arsenic, dry weightDAILY MX <= 75 mg/kg Mar, Jun, Sep, Dec
581Cadmium, in bottom deposits [dry wgt]DAILY MX <= 85 mg/kg Mar, Jun, Sep, Dec
581Copper in bottom deposits [dry wgt]DAILY MX <= 4300 mg/kg Mar, Jun, Sep, Dec
581Lead, total dry weight [as Pb]DAILY MX <= 840 mg/kg Mar, Jun, Sep, Dec
581Nickel, tot in bottom deposits [dry wgt]DAILY MX <= 420 mg/kg Mar, Jun, Sep, Dec
581Zinc in bottom deposits [dry wgt]DAILY MX <= 7500 mg/kg Mar, Jun, Sep, Dec
581Selenium, dry weightDAILY MX <= 100 mg/kg Mar, Jun, Sep, Dec
581Biosolids weight indluding admixturesMO AVG report only Mar, Jun, Sep, Dec
581Biosolids weight indluding admixturesDAILY MX report only Mar, Jun, Sep, Dec
581Fecal coliform in sludge, CFU/gramDAILY MX <= 2000000 CFU/g Mar, Jun, Sep, Dec
581Sludge weight, dryMO AVG report only Mar, Jun, Sep, Dec
581Sludge weight, dryDAILY MX report only Mar, Jun, Sep, Dec
581Mercury, tot in bot deposits [dry wgt]DAILY MX <= 57 mg/kg Mar, Jun, Sep, Dec
581Molybdenum, sludge, total, dry weight [as Mo]DAILY MX <= 75 mg/kg Mar, Jun, Sep, Dec
584Nitrogen, ammonia in bottom depositsMO AVG report only Mar, Jun, Sep, Dec
584Nitrogen, ammonia in bottom depositsDAILY MX report only Mar, Jun, Sep, Dec
584Nitrogen, Kjeldahl, total [as N]MO AVG report only Mar, Jun, Sep, Dec
584Nitrogen, Kjeldahl, total [as N]DAILY MX report only Mar, Jun, Sep, Dec
584Phosphorous, total, in bottom depositsMO AVG report only Mar, Jun, Sep, Dec
584Phosphorous, total, in bottom depositsDAILY MX report only Mar, Jun, Sep, Dec
584Potassium, in bottom depositsMO AVG report only Mar, Jun, Sep, Dec
584Potassium, in bottom depositsDAILY MX report only Mar, Jun, Sep, Dec
584Arsenic, dry weightMO AVG <= 41 mg/kg Mar, Jun, Sep, Dec
584Arsenic, dry weightDAILY MX <= 75 mg/kg Mar, Jun, Sep, Dec
584Cadmium, in bottom deposits [dry wgt]MO AVG <= 39 mg/kg Mar, Jun, Sep, Dec
584Cadmium, in bottom deposits [dry wgt]DAILY MX <= 85 mg/kg Mar, Jun, Sep, Dec
584Copper in bottom deposits [dry wgt]MO AVG <= 1500 mg/kg Mar, Jun, Sep, Dec
584Copper in bottom deposits [dry wgt]DAILY MX <= 4300 mg/kg Mar, Jun, Sep, Dec
584Lead, total dry weight [as Pb]MO AVG <= 300 mg/kg Mar, Jun, Sep, Dec
584Lead, total dry weight [as Pb]DAILY MX <= 840 mg/kg Mar, Jun, Sep, Dec
584Nickel, tot in bottom deposits [dry wgt]MO AVG <= 420 mg/kg Mar, Jun, Sep, Dec
584Nickel, tot in bottom deposits [dry wgt]DAILY MX <= 420 mg/kg Mar, Jun, Sep, Dec
584Zinc in bottom deposits [dry wgt]MO AVG <= 2800 mg/kg Mar, Jun, Sep, Dec
584Zinc in bottom deposits [dry wgt]DAILY MX <= 7500 mg/kg Mar, Jun, Sep, Dec
584Selenium, dry weightMO AVG <= 100 mg/kg Mar, Jun, Sep, Dec
584Selenium, dry weightDAILY MX <= 100 mg/kg Mar, Jun, Sep, Dec
584Fecal coliformDAILY MX <= 1000 MPN/g Mar, Jun, Sep, Dec
584Biosolids weight indluding admixturesMO AVG report only Mar, Jun, Sep, Dec
584Biosolids weight indluding admixturesDAILY MX report only Mar, Jun, Sep, Dec
584Sludge weight, dryMO AVG report only Mar, Jun, Sep, Dec
584Sludge weight, dryDAILY MX report only Mar, Jun, Sep, Dec
584Mercury, tot in bot deposits [dry wgt]MO AVG <= 17 mg/kg Mar, Jun, Sep, Dec
584Mercury, tot in bot deposits [dry wgt]DAILY MX <= 57 mg/kg Mar, Jun, Sep, Dec
584Molybdenum, sludge, total, dry weight [as Mo]MO AVG <= 75 mg/kg Mar, Jun, Sep, Dec
584Molybdenum, sludge, total, dry weight [as Mo]DAILY MX <= 75 mg/kg Mar, Jun, Sep, Dec
586Biosolids weight indluding admixturesMO AVG report only Dec
586Biosolids weight indluding admixturesDAILY MX report only Dec
588Sludge weight, dryMO AVG report only Dec
588Sludge weight, dryDAILY MX report only Dec
601Solids, total suspendedMO AVG report only all year
601Solids, total suspendedDAILY MX report only all year
601Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
601Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
601Cyanide, total [as CN]MO AVG report only all year
601Cyanide, total [as CN]DAILY MX report only all year
601Nickel, total recoverableMO AVG report only Mar, Jun, Aug, Dec
601Nickel, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
601Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
601Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
601Cadmium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
601Cadmium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
601Lead, total recoverableMO AVG report only Mar, Jun, Aug, Dec
601Lead, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
601Chromium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
601Chromium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
601Copper, total recoverableMO AVG report only all year
601Copper, total recoverableDAILY MX report only all year
601Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
601Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
601Mercury, total low levelMO AVG report only all year
601Mercury, total low levelDAILY MX report only all year
601pH, maximumDAILY MX report only all year
601pH, minimumDAILY MN report only all year
601BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
601BOD, carbonaceous [5 day, 20 C]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