Wauseon Water Reclamation Plant

NPDES permit OH0023400 · Major POTW · effective, expires 2030-07-31 · 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

4values over a limit
0required values missing, on 0 form(s)
0of 90 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH, minimum (3), Phosphorus, total [as P] (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (181)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001Solids, total suspendedMO AVG <= 17 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY MAX <= 26 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY MAX <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO AVG <= 97 kg/d May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 171 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY MAX <= 148 kg/d May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY MAX <= 256 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.3 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 2.8 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY MAX <= 1.9 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY MAX <= 4.2 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 7.4 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 15.9 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY MAX <= 10.8 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY MAX <= 23.8 kg/d Jan, Feb, Mar, Apr, Nov, Dec
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 <= 5.7 kg/d all year
001Phosphorus, total [as P]WKLY MAX <= 8.5 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 Mar, Jun, Aug, Dec
001Copper, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Selenium, total [as Se]MO AVG report only Mar, Jun, Aug, Dec
001Selenium, total [as Se]DAILY MX report only Mar, Jun, Aug, Dec
001Chromium, hexavalent dissolved [as Cr]MO AVG report only Mar, Jun, Aug, Dec
001Chromium, hexavalent dissolved [as Cr]DAILY MX report only Mar, Jun, Aug, Dec
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
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 8.6 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 1195 ug/L all year
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .0489 kg/d all year
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 6.79 kg/d all year
001RainfallMO AVG report only all year
001RainfallDAILY 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 <= .016 mg/L May, Jun, Jul, Aug, Sep, Oct
001Mercury, total low levelMO AVG report only all year
001Mercury, total low levelDAILY MX report only all year
001Cyanide, free availableMO AVG report only all year
001Cyanide, free availableDAILY MX report only all year
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute Jun, Aug
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG <= 1 tox chronic Jun, Aug
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Jun, Aug
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Jun, Aug
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG report only Jun, Aug
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only Jun, Aug
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 May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 23 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 40 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 85 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 142 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 131 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 227 kg/d Jan, Feb, Mar, Apr, Nov, Dec
004OverflowsMO AVG report only all year
004OverflowsDAILY MX report only all year
004Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
004Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
008OverflowsMO AVG report only all year
008OverflowsDAILY MX report only all year
008Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
008Overflow volume [SS0 volume, CSO volume]DAILY 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 Dec
581Nitrogen, ammonia in bottom depositsDAILY MX report only Dec
581Nitrogen, Kjeldahl, total [as N]MO AVG report only Dec
581Nitrogen, Kjeldahl, total [as N]DAILY MX report only Dec
581Phosphorous, total, in bottom depositsMO AVG report only Dec
581Phosphorous, total, in bottom depositsDAILY MX report only Dec
581Potassium, in bottom depositsMO AVG report only Dec
581Potassium, in bottom depositsDAILY MX report only Dec
581Arsenic, dry weightDAILY MX <= 75 mg/kg Dec
581Cadmium, in bottom deposits [dry wgt]DAILY MX <= 85 mg/kg Dec
581Copper in bottom deposits [dry wgt]DAILY MX <= 4300 mg/kg Dec
581Lead, total dry weight [as Pb]DAILY MX <= 840 mg/kg Dec
581Nickel, tot in bottom deposits [dry wgt]DAILY MX <= 420 mg/kg Dec
581Zinc in bottom deposits [dry wgt]DAILY MX <= 7500 mg/kg Dec
581Selenium, dry weightDAILY MX <= 100 mg/kg Dec
581Biosolids weight indluding admixturesMO AVG report only Dec
581Biosolids weight indluding admixturesDAILY MX report only Dec
581Fecal coliform in sludge, CFU/gramDAILY MX <= 2000000 CFU/g Dec
581Sludge weight, dryMO AVG report only Dec
581Sludge weight, dryDAILY MX report only Dec
581Mercury, tot in bot deposits [dry wgt]DAILY MX <= 57 mg/kg Dec
581Molybdenum, sludge, total, dry weight [as Mo]DAILY MX <= 75 mg/kg 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
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 all year
601Zinc, total recoverableDAILY MX report only all year
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
601Selenium, total [as Se]MO AVG report only Mar, Jun, Aug, Dec
601Selenium, total [as Se]DAILY MX report only Mar, Jun, Aug, Dec
601Chromium, hexavalent dissolved [as Cr]MO AVG report only Mar, Jun, Aug, Dec
601Chromium, hexavalent dissolved [as Cr]DAILY MX report only Mar, Jun, Aug, Dec
601Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
601Di[2-ethylhexyl] phthalate [DEHP]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
602OverflowsMO AVG report only all year
602OverflowsDAILY MX report only all year
602Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
602Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
801Nitrogen, ammonia total [as N]MO AVG report only all year
801Nitrogen, ammonia total [as N]DAILY MX report only all year
801Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
801Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
801Nitrite + Nitrate total [as N]MO AVG report only all year
801Nitrite + Nitrate total [as N]DAILY MX report only all year
801Phosphorus, total [as P]MO AVG report only all year
801Phosphorus, total [as P]DAILY MX report only all year
801E. coli, MTEC-MFMO GEOMN report only Jun, Jul, Aug
801E. coli, MTEC-MFDAILY MX report only Jun, Jul, Aug
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Jun, Aug
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Jun, Aug
801%Effect Static Renewal 96Hr Acute Pimephales promelasMO AVG report only Jun, Aug
801%Effect Static Renewal 96Hr Acute Pimephales promelasDAILY MX report only Jun, Aug
801%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG report only Jun, Aug
801%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX report only Jun, Aug
801%Effect Static Renewal 7Day Chronic Pimephales promelasMO AVG report only Jun, Aug
801%Effect Static Renewal 7Day Chronic Pimephales promelasDAILY MX report only Jun, Aug
901Temperature, water deg. centigradeMO AVG report only all year
901Temperature, water deg. centigradeDAILY MX report only all year
901pHDAILY MN report only all year
901pHDAILY MX report only all year
901Nitrogen, ammonia total [as N]MO AVG report only all year
901Nitrogen, ammonia total [as N]DAILY MX report only all year
901Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
901Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
901Nitrite + Nitrate total [as N]MO AVG report only all year
901Nitrite + Nitrate total [as N]DAILY MX report only all year
901Phosphorus, total [as P]MO AVG report only all year
901Phosphorus, total [as P]DAILY MX report only all year
901Hardness, total [as CaCO3]MO AVG report only all year
901Hardness, total [as CaCO3]DAILY MX report only all year
901E. coli, MTEC-MFMO GEOMN report only Jun, Jul, Aug
901E. coli, MTEC-MFDAILY MX report only Jun, Jul, Aug

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