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City of Kent

Sewage treatment plant, major discharger, Kent, Ohio. NPDES permit OH0025917 expired Jul 31, 2026; its limits still apply. Last 12 months: over a limit 3 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (59 values), outfall 300 form A monthly (2 values), outfall 581 form A monthly (24 values), outfall 601 form A monthly (10 values), outfall 801 form A monthly (10 values), outfall 901 form A monthly (14 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 65 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
June 2026Chlorine, total residual, daily maximum.113≤ .032 mg/L253%
September 2026E. coli, MTEC-MF, monthly geometric meanT≤ 126 MPN/100mL—
September 2026E. coli, MTEC-MF, weekly geometric meanT≤ 284 MPN/100mL—

Limits in force (155)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedweekly maximum≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 227 kg/dall year001
Solids, total suspendedweekly maximum≤ 341 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 19 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 28.4 kg/dMay–Oct001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]weekly maximum≤ 1.5 mg/Lall year001
Phosphorus, total [as P]monthly average≤ 19 kg/dall year001
Phosphorus, total [as P]weekly maximum≤ 28.4 kg/dall year001
Phosphate, ortho, dissolved [as P]monthly averagereport only (mg/L)all year001
Phosphate, ortho, dissolved [as P]daily maximumreport only (mg/L)all year001
Nickel, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Nickel, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Cadmium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Lead, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Lead, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Chromium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Chromium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Chromium, hexavalent dissolved [as Cr]monthly average≤ 16 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]daily maximum≤ 31 ug/Lall year001
Chromium, hexavalent dissolved [as Cr]monthly average≤ .303 kg/dall year001
Chromium, hexavalent dissolved [as Cr]daily maximum≤ .587 kg/dall year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct001
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .032 mg/LMay–Oct001
Mercury, total low levelmonthly average≤ 1.3 ng/Lall year001
Mercury, total low leveldaily maximum≤ 1700 ng/Lall year001
Mercury, total low levelmonthly average≤ .000025 kg/dall year001
Mercury, total low leveldaily maximum≤ .0322 kg/dall year001
Cyanide, free availablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Cyanide, free availabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acuteJun, Dec001
Toxicity [chronic], Ceriodaphnia dubiamonthly average≤ 1.94 tox chronicJun, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 1 tox acuteJun, Dec001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly average≤ 1.94 tox chronicJun, Dec001
pH, maximumdaily maximum≤ 9 SUall year001
pH, minimumdaily minimum≥ 6.5 SUall year001
Solids, total dissolved- 180 deg. Cmonthly averagereport only (mg/L)all year001
Solids, total dissolved- 180 deg. Cdaily maximumreport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 190 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 284 kg/dall year001
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
Nitrogen, ammonia in bottom depositsmonthly averagereport only (mg/kg)Mar, Jun, Sep, Dec581
Nitrogen, ammonia in bottom depositsdaily maximumreport only (mg/kg)Mar, Jun, Sep, Dec581
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/kg)Mar, Jun, Sep, Dec581
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/kg)Mar, Jun, Sep, Dec581
Phosphorous, total, in bottom depositsmonthly averagereport only (mg/kg)Mar, Jun, Sep, Dec581
Phosphorous, total, in bottom depositsdaily maximumreport only (mg/kg)Mar, Jun, Sep, Dec581
Potassium, in bottom depositsmonthly averagereport only (mg/kg)Mar, Jun, Sep, Dec581
Potassium, in bottom depositsdaily maximumreport only (mg/kg)Mar, Jun, Sep, Dec581
Arsenic, dry weightdaily maximum≤ 75 mg/kgMar, Jun, Sep, Dec581
Cadmium, in bottom deposits [dry wgt]daily maximum≤ 85 mg/kgMar, Jun, Sep, Dec581
Copper in bottom deposits [dry wgt]daily maximum≤ 4300 mg/kgMar, Jun, Sep, Dec581
Lead, total dry weight [as Pb]daily maximum≤ 840 mg/kgMar, Jun, Sep, Dec581
Nickel, tot in bottom deposits [dry wgt]daily maximum≤ 420 mg/kgMar, Jun, Sep, Dec581
Zinc in bottom deposits [dry wgt]daily maximum≤ 7500 mg/kgMar, Jun, Sep, Dec581
Selenium, dry weightdaily maximum≤ 100 mg/kgMar, Jun, Sep, Dec581
Manganese, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec581
Manganese, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec581
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Mar, Jun, Sep, Dec581
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Mar, Jun, Sep, Dec581
Fecal coliform in sludge, CFU/gramdaily maximum≤ 2000000 CFU/gMar, Jun, Sep, Dec581
Sludge weight, drymonthly averagereport only (dry ton)Mar, Jun, Sep, Dec581
Sludge weight, drydaily maximumreport only (dry ton)Mar, Jun, Sep, Dec581
Mercury, tot in bot deposits [dry wgt]daily maximum≤ 57 mg/kgMar, Jun, Sep, Dec581
Molybdenum, sludge, total, dry weight [as Mo]daily maximum≤ 75 mg/kgMar, Jun, Sep, Dec581
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
Solids, total suspendedmonthly averagereport only (mg/L)all year601
Solids, total suspendeddaily maximumreport only (mg/L)all year601
Cyanide, total [as CN]monthly averagereport only (mg/L)Mar, Jun, Aug, Dec601
Cyanide, total [as CN]daily maximumreport only (mg/L)Mar, Jun, Aug, Dec601
Nickel, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Nickel, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Cadmium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Cadmium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Lead, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Lead, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Chromium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Chromium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Copper, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Copper, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)all year601
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year601
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (ug/L)Mar, Jun, Aug, Dec601
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)Mar, Jun, Aug, Dec601
Mercury, total low levelmonthly averagereport only (ng/L)all year601
Mercury, total low leveldaily maximumreport only (ng/L)all year601
pH, maximumdaily maximumreport only (SU)all year601
pH, minimumdaily minimumreport only (SU)all year601
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year601
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year601
pHdaily minimumreport only (SU)all year801
pHdaily maximumreport only (SU)all year801
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year801
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year801
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year801
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year801
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year801
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year801
Phosphorus, total [as P]monthly averagereport only (mg/L)all year801
Phosphorus, total [as P]daily maximumreport only (mg/L)all year801
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun–Aug801
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun–Aug801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiamonthly averagereport only (%)Jun, Dec801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiadaily maximumreport only (%)Jun, Dec801
%Effect Static Renewal 96Hr Acute Pimephales promelasmonthly averagereport only (%)Jun, Dec801
%Effect Static Renewal 96Hr Acute Pimephales promelasdaily maximumreport only (%)Jun, Dec801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly averagereport only (%)Jun, Dec801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)Jun, Dec801
%Effect Static Renewal 7Day Chronic Pimephales promelasmonthly averagereport only (%)Jun, Dec801
%Effect Static Renewal 7Day Chronic Pimephales promelasdaily maximumreport only (%)Jun, Dec801
Temperature, water deg. centigrademonthly averagereport only (deg C)all year901
Temperature, water deg. centigradedaily maximumreport only (deg C)all year901
pHdaily minimumreport only (SU)all year901
pHdaily maximumreport only (SU)all year901
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year901
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year901
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year901
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year901
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year901
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year901
Phosphorus, total [as P]monthly averagereport only (mg/L)all year901
Phosphorus, total [as P]daily maximumreport only (mg/L)all year901
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year901
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year901
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun–Aug901
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun–Aug901

How strict are these limits?

Cited limits by parameter: Ohio's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0025917 · MCP: https://passage-data.com/mcp