City of Findlay Water Pollution Control Center

NPDES permit OH0025135 · Major POTW · effective, expires 2029-10-31 · 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 277 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 (203)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN >= 6.7 mg/L May, Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]DAILY MN >= 5.3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO AVG <= 14 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 18 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY MAX <= 22 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY MAX <= 27 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO AVG <= 795 kg/d May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 1030 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedWKLY MAX <= 1250 kg/d May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY MAX <= 1540 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 <= .91 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 3.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY MAX <= 1.4 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY MAX <= 5.3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 51.7 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 199 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY MAX <= 79.5 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY MAX <= 301 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 <= 56.8 kg/d all year
001Phosphorus, total [as P]WKLY MAX <= 85.2 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
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
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 <= 3.3 ng/L all year
001Mercury, total low levelDAILY MX <= 1700 ng/L all year
001Mercury, total low levelMO AVG <= .00019 kg/d all year
001Mercury, total low levelDAILY MX <= .0966 kg/d 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 dubiaMO AVG report only Oct
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Oct
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only Oct
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only Oct
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Oct
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Oct
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG report only Oct
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only Oct
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 <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 13 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 20 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 568 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 739 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 852 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 1140 kg/d Jan, Feb, Mar, Apr, Nov, Dec
002OverflowsMO AVG report only all year
002OverflowsDAILY MX report only all year
003OverflowsMO AVG report only all year
003OverflowsDAILY 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
005OverflowsMO AVG report only all year
005OverflowsDAILY MX report only all year
005Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
005Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
006OverflowsMO AVG report only all year
006OverflowsDAILY MX report only all year
006Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
006Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
007OverflowsMO AVG report only all year
007OverflowsDAILY MX report only all year
007Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
007Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
010OverflowsMO AVG report only all year
010OverflowsDAILY MX report only all year
010Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
010Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
011OverflowsMO AVG report only all year
011OverflowsDAILY MX report only all year
012OverflowsMO AVG report only all year
012OverflowsDAILY MX report only all year
013OverflowsMO AVG report only all year
013OverflowsDAILY MX report only all year
013Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
013Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
014OverflowsMO AVG report only all year
014OverflowsDAILY MX report only all year
014Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
014Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
015OverflowsMO AVG report only all year
015OverflowsDAILY MX report only all year
016OverflowsMO AVG report only all year
016OverflowsDAILY MX report only all year
018OverflowsMO AVG report only all year
018OverflowsDAILY MX report only all year
019OverflowsMO AVG report only all year
019OverflowsDAILY MX report only all year
019Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
019Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
022OverflowsMO AVG report only all year
022OverflowsDAILY MX report only all year
022Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
022Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
023OverflowsMO AVG report only all year
023OverflowsDAILY MX report only all year
023Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
023Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
024OverflowsMO AVG report only all year
024OverflowsDAILY MX report only all year
025OverflowsMO AVG report only all year
025OverflowsDAILY MX report only all year
026OverflowsMO AVG report only all year
026OverflowsDAILY MX report only all year
300OverflowsMO AVG report only all year
300OverflowsDAILY MX report only all year
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
601pHDAILY MN report only all year
601pHDAILY MX report only all year
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
601Cyanide, total [as CN]MO AVG report only Mar, Jun, Aug, Dec
601Cyanide, total [as CN]DAILY MX report only Mar, Jun, Aug, Dec
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 Mar, Jun, Aug, Dec
601Copper, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
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
601BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
601BOD, carbonaceous [5 day, 20 C]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 Oct
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Oct
801%Effect Static Renewal 96Hr Acute Pimephales promelasMO AVG report only Oct
801%Effect Static Renewal 96Hr Acute Pimephales promelasDAILY MX report only Oct
801%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG report only Oct
801%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX report only Oct
801%Effect Static Renewal 7Day Chronic Pimephales promelasMO AVG report only Oct
801%Effect Static Renewal 7Day Chronic Pimephales promelasDAILY MX report only Oct
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

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