City of Wapakoneta WRF

NPDES permit OH0027952 · Major POTW · effective, expires 2029-11-30 · 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

11values over a limit
0required values missing, on 0 form(s)
0of 178 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (4), Mercury, total low level (2), Solids, total dissolved- 180 deg. C (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 (250)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Specific conductanceMO AVG report only all year
001Specific conductanceDAILY MX report only all year
001Oil and grease, hexane extr methodDAILY MX <= 10 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 <= 23 kg/d all year
001Phosphorus, total [as P]WKLY MAX <= 34 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
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableDAILY 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 all year
001Cadmium, total recoverableDAILY MX report only all year
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 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
001DichlorobromomethaneMO AVG report only all year
001DichlorobromomethaneDAILY MX report only all year
001BromoformMO AVG report only all year
001BromoformDAILY MX report only all year
001DibromochloromethaneMO AVG report only all year
001DibromochloromethaneDAILY MX report only all year
001ChloroformMO AVG report only all year
001ChloroformDAILY MX report only all year
0012,4,6-TrichlorophenolMO AVG report only all year
0012,4,6-TrichlorophenolDAILY MX report only 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
001Mercury, total low levelMO AVG <= 1.3 ng/L all year
001Mercury, total low levelDAILY MX <= 1700 ng/L all year
001Mercury, total low levelMO AVG <= .00003 kg/d all year
001Mercury, total low levelDAILY MX <= .039 kg/d all year
001Carcinogen additivity factorMO AVG report only all year
001Carcinogen additivity factorDAILY MX report only all year
001Cyanide, free availableMO AVG report only Mar, Jun, Aug, Dec
001Cyanide, free availableDAILY MX report only Mar, Jun, Aug, Dec
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 1 tox acute Mar, Jun, Aug, Dec
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG <= 1 tox chronic Mar, Jun, Aug, Dec
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 1 tox acute Mar, Jun, Aug, Dec
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG <= 1 tox chronic Mar, Jun, Aug, Dec
001pH, maximumDAILY MX <= 9 SU all year
001pH, minimumDAILY MN >= 6.5 SU all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003OverflowsMO AVG report only all year
003OverflowsDAILY MX report only all year
003Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
003Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
003BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedDAILY MX report only all year
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
004BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
020Solids, total dissolved- 180 deg. CMO AVG <= 1561 mg/L all year
020Solids, total dissolved- 180 deg. CMO AVG <= 35456 kg/d all year
021Solids, total dissolved- 180 deg. CMO AVG <= 1687 mg/L all year
021Solids, total dissolved- 180 deg. CMO AVG <= 38312 kg/d all year
022Solids, total dissolved- 180 deg. CMO AVG <= 1927 mg/L all year
022Solids, total dissolved- 180 deg. CMO AVG <= 43769 kg/d all year
023Solids, total dissolved- 180 deg. CMO AVG <= 2167 mg/L all year
023Solids, total dissolved- 180 deg. CMO AVG <= 49226 kg/d 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
581Fecal coliformDAILY MX <= 2000000 MPN/g Mar, Jun, Sep, Dec
581Biosolids weight indluding admixturesMO AVG report only all year
581Biosolids weight indluding admixturesDAILY MX report only all year
581Sludge weight, dryMO AVG report only all year
581Sludge weight, dryDAILY MX report only all year
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 coliformMO AVG <= 1000 MPN/g Mar, Jun, Sep, Dec
584Fecal coliformDAILY MX <= 1000 MPN/g Mar, Jun, Sep, Dec
584Biosolids weight indluding admixturesMO AVG report only all year
584Biosolids weight indluding admixturesDAILY MX report only all year
584Sludge weight, dryMO AVG report only all year
584Sludge weight, dryDAILY MX report only all year
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
588Biosolids weight indluding admixturesMO AVG report only Dec
588Biosolids weight indluding admixturesDAILY MX report only Dec
601Solids, total suspendedMO AVG report only all year
601Solids, total suspendedDAILY MX report only all year
601Phosphorus, total [as P]MO AVG report only all year
601Phosphorus, total [as P]DAILY MX report only all year
601Selenium, total recoverableMO AVG report only all year
601Selenium, total recoverableDAILY 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 all year
601Cadmium, total recoverableDAILY MX report only all year
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 Mar, Jun, Aug, Dec
601Chromium, hexavalent dissolved [as Cr]DAILY MX report only Mar, Jun, Aug, Dec
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
601Solids, total dissolved- 180 deg. CMO AVG report only all year
601Solids, total dissolved- 180 deg. CDAILY MX 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
602Solids, total suspendedMO AVG report only all year
602Solids, total suspendedDAILY MX report only all year
602Bypass VolumeMO AVG report only all year
602Bypass VolumeDAILY MX report only all year
602BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
602BOD, carbonaceous [5 day, 20 C]DAILY MX report only all year
602Bypass valveMO AVG report only all year
602Bypass valveDAILY MX report only all year
602Bypass of treatmentMO AVG report only all year
602Bypass of treatmentDAILY MX report only all year
603Oxygen, dissolved [DO]DAILY MN >= 6 mg/L all year
603Solids, total suspendedMO AVG <= 12 mg/L all year
603Solids, total suspendedWKLY MAX <= 18 mg/L all year
603Solids, total suspendedMO AVG <= 273 kg/d all year
603Solids, total suspendedWKLY MAX <= 409 kg/d all year
603Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L May, Jun, Jul, Aug, Sep, Oct
603Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
603Nitrogen, ammonia total [as N]WKLY MAX <= 1.5 mg/L May, Jun, Jul, Aug, Sep, Oct
603Nitrogen, ammonia total [as N]WKLY MAX <= 4.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
603Nitrogen, ammonia total [as N]MO AVG <= 23 kg/d May, Jun, Jul, Aug, Sep, Oct
603Nitrogen, ammonia total [as N]MO AVG <= 68 kg/d Jan, Feb, Mar, Apr, Nov, Dec
603Nitrogen, ammonia total [as N]WKLY MAX <= 34 kg/d May, Jun, Jul, Aug, Sep, Oct
603Nitrogen, ammonia total [as N]WKLY MAX <= 103 kg/d Jan, Feb, Mar, Apr, Nov, Dec
603Flow, in conduit or thru treatment plantMO AVG report only all year
603Flow, in conduit or thru treatment plantDAILY MX report only all year
603BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
603BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 15 mg/L all year
603BOD, carbonaceous [5 day, 20 C]MO AVG <= 228 kg/d all year
603BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 341 kg/d all year
801Temperature, water deg. centigradeMO AVG report only all year
801Temperature, water deg. centigradeDAILY MX report only all year
801Oxygen, dissolved [DO]DAILY MN report only all year
801pHDAILY MN report only all year
801pHDAILY 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
801Solids, total dissolved- 180 deg. CMO AVG report only all year
801Solids, total dissolved- 180 deg. CDAILY MX report only all year
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Mar, Jun, Aug, Dec
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Mar, Jun, Aug, Dec
801%Effect Static Renewal 96Hr Acute Pimephales promelasMO AVG report only Mar, Jun, Aug, Dec
801%Effect Static Renewal 96Hr Acute Pimephales promelasDAILY MX report only Mar, Jun, Aug, Dec
801%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG report only Mar, Jun, Aug, Dec
801%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX report only Mar, Jun, Aug, Dec
801%Effect Static Renewal 7Day Chronic Pimephales promelasMO AVG report only Mar, Jun, Aug, Dec
801%Effect Static Renewal 7Day Chronic Pimephales promelasDAILY MX report only Mar, Jun, Aug, Dec
802StreamflowMO AVG report only all year
802StreamflowDAILY MX report only all year
901Temperature, water deg. centigradeMO AVG report only all year
901Temperature, water deg. centigradeDAILY MX report only all year
901Oxygen, dissolved [DO]DAILY MN 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
901Solids, total dissolved- 180 deg. CMO AVG report only all year
901Solids, total dissolved- 180 deg. CDAILY MX report only all year

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