Elyria City of

NPDES permit OH0025003 · Major POTW · administratively continued, expires 2026-05-31 · 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.

This permit expired on 2026-05-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
0required values missing, on 0 form(s)
0of 420 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 (297)

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 <= 20 mg/L all year
001Solids, total suspendedWKLY MAX <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 985 kg/d all year
001Solids, total suspendedWKLY MAX <= 1478 kg/d all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 1.1 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 5.3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY MAX <= 1.7 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY MAX <= 8 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 54.2 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 261 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY MAX <= 83.7 kg/d May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY MAX <= 394 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 <= .7 mg/L all year
001Phosphorus, total [as P]WKLY MAX <= 1.1 mg/L all year
001Phosphorus, total [as P]MO AVG <= 34.5 kg/d all year
001Phosphorus, total [as P]WKLY MAX <= 54.2 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
001Selenium, total recoverableMO AVG <= 5.1 ug/L all year
001Selenium, total recoverableDAILY MX <= 69 ug/L all year
001Selenium, total recoverableMO AVG <= .25 kg/d all year
001Selenium, total recoverableDAILY MX <= 3.4 kg/d all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableMO AVG report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG report only all year
001Lead, total recoverableDAILY MX report only all year
001Chromium, total recoverableMO AVG report only all year
001Chromium, total recoverableDAILY MX report only all year
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
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 8.8 ug/L Mar, Jun, Sep, Dec
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 1259 ug/L Mar, Jun, Sep, Dec
001Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .434 kg/d Mar, Jun, Sep, Dec
001Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 62 kg/d Mar, Jun, Sep, Dec
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 <= 6 ng/L all year
001Mercury, total low levelDAILY MX <= 1700 ng/L all year
001Mercury, total low levelMO AVG <= .000296 kg/d all year
001Mercury, total low levelDAILY MX <= .0837 kg/d all year
001Cyanide, free availableMO AVG report only all year
001Cyanide, free availableDAILY MX report only all year
001Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Jun, Aug
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Jun, Aug
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG <= 1.05 tox chronic Jun, Aug
001Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Aug
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Aug
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG report only Aug
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only 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 <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 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 <= 23 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 492 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 738 kg/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 738 kg/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY MAX <= 1132 kg/d Jan, Feb, Mar, Apr, Nov, Dec
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Bypass VolumeMO AVG report only all year
003Bypass VolumeDAILY 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
003Bypass valveMO AVG report only all year
003Bypass valveDAILY MX report only all year
003Bypass of treatmentMO AVG report only all year
003Bypass of treatmentDAILY 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
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
011OverflowsMO AVG report only all year
011OverflowsDAILY MX report only all year
011Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
011Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
012OverflowsMO AVG report only all year
012OverflowsDAILY MX report only all year
012Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
012Overflow volume [SS0 volume, CSO volume]DAILY 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
015OverflowsMO AVG report only all year
015OverflowsDAILY MX report only all year
015Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
015Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
016OverflowsMO AVG report only all year
016OverflowsDAILY MX report only all year
016Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
016Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
018OverflowsMO AVG report only all year
018OverflowsDAILY MX report only all year
018Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
018Overflow volume [SS0 volume, CSO volume]DAILY 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
020OverflowsMO AVG report only all year
020OverflowsDAILY MX report only all year
020Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
020Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
021OverflowsMO AVG report only all year
021OverflowsDAILY MX report only all year
021Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
021Overflow 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
025OverflowsMO AVG report only all year
025OverflowsDAILY MX report only all year
025Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
025Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
026OverflowsMO AVG report only all year
026OverflowsDAILY MX report only all year
026Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
026Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
027OverflowsMO AVG report only all year
027OverflowsDAILY MX report only all year
027Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
027Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
028OverflowsMO AVG report only all year
028OverflowsDAILY MX report only all year
028Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
028Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
029OverflowsMO AVG report only all year
029OverflowsDAILY MX report only all year
029Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
029Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
030OverflowsMO AVG report only all year
030OverflowsDAILY MX report only all year
030Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
030Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
031OverflowsMO AVG report only all year
031OverflowsDAILY MX report only all year
031Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
031Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
035OverflowsMO AVG report only all year
035OverflowsDAILY MX report only all year
035Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
035Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
037OverflowsMO AVG report only all year
037OverflowsDAILY MX report only all year
037Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
037Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
038OverflowsMO AVG report only all year
038OverflowsDAILY MX report only all year
038Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
038Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
044OverflowsMO AVG report only all year
044OverflowsDAILY MX report only all year
044Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
044Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
045OverflowsMO AVG report only all year
045OverflowsDAILY MX report only all year
045Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
045Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
046OverflowsMO AVG report only all year
046OverflowsDAILY MX report only all year
046Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
046Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
047OverflowsMO AVG report only all year
047OverflowsDAILY MX report only all year
047Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
047Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
048OverflowsMO AVG report only all year
048OverflowsDAILY MX report only all year
048Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
048Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
050OverflowsMO AVG report only all year
050OverflowsDAILY MX report only all year
050Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
050Overflow volume [SS0 volume, CSO volume]DAILY MX report only all year
051OverflowsMO AVG report only all year
051OverflowsDAILY MX report only all year
051Overflow volume [SS0 volume, CSO volume]MO AVG report only all year
051Overflow volume [SS0 volume, CSO volume]DAILY 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
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
601Selenium, total recoverableMO AVG report only all year
601Selenium, total recoverableDAILY MX report only all year
601Nickel, total recoverableMO AVG report only all year
601Nickel, total recoverableDAILY MX report only all year
601Zinc, total recoverableMO AVG report only all year
601Zinc, total recoverableDAILY MX report only all year
601Cadmium, total recoverableMO AVG report only all year
601Cadmium, total recoverableDAILY MX report only all year
601Lead, total recoverableMO AVG report only all year
601Lead, total recoverableDAILY MX report only all year
601Chromium, total recoverableMO AVG report only all year
601Chromium, total recoverableDAILY MX report only all year
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
601Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only Mar, Jun, Sep, Dec
601Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only Mar, Jun, Sep, 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
602Bypass VolumeMO AVG report only all year
602Bypass VolumeDAILY 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
603Bypass VolumeMO AVG report only all year
603Bypass VolumeDAILY MX report only all year
603Bypass valveMO AVG report only all year
603Bypass valveDAILY MX report only all year
603Bypass of treatmentMO AVG report only all year
603Bypass of treatmentDAILY MX report only 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
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 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 Aug
801%Effect Static Renewal 96Hr Acute Pimephales promelasDAILY MX report only 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 Aug
801%Effect Static Renewal 7Day Chronic Pimephales promelasDAILY MX report only Aug
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
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
901Selenium, total recoverableMO AVG report only all year
901Selenium, total recoverableDAILY 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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