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Grafton Village of

Sewage treatment plant, major discharger, Grafton, Ohio. NPDES permit OH0025372 expired Oct 31, 2026. Last 12 months: over a limit 8 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (64 values), outfall 300 form A monthly (2 values), outfall 601 form A monthly (10 values), outfall 801 form A monthly (21 values), outfall 901 form A monthly (14 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 0 of 74 reports late

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

Period endingParameterReportedLimitOver by
January 2026BOD, carbonaceous [5 day, 20 C], weekly maximum18≤ 15 mg/L20%
February 2026Copper, total recoverable, daily maximum.576≤ .16 kg/d260%
February 2026Copper, total recoverable, daily maximum241≤ 28 ug/L761%
February 2026Copper, total recoverable, monthly average.273≤ .1 kg/d173%
February 2026Copper, total recoverable, monthly average112≤ 17 ug/L559%
May 2026Mercury, total low level, monthly average.000011≤ .000008 kg/d38%
May 2026Mercury, total low level, monthly average2.05≤ 1.3 ng/L58%
June 2026Mercury, total low level, monthly average1.42≤ 1.3 ng/L9%

Limits in force (127)

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≥ 6 mg/Lall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedweekly maximum≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 68.2 kg/dall year001
Solids, total suspendedweekly maximum≤ 102.3 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ .93 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.4 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 5.29 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 17.1 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 7.95 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 25.6 kg/dJan, Feb, Mar, Apr, Nov, Dec001
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≤ 5.68 kg/dall year001
Phosphorus, total [as P]weekly maximum≤ 8.52 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 average≤ 17 ug/Lall year001
Copper, total recoverabledaily maximum≤ 28 ug/Lall year001
Copper, total recoverablemonthly average≤ .1 kg/dall year001
Copper, total recoverabledaily maximum≤ .16 kg/dall year001
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)all year001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)all year001
E. coli, MTEC-MFmonthly geometric mean≤ 126 MPN/100mLMay–Oct001
E. coli, MTEC-MFweekly geometric mean≤ 284 MPN/100mLMay–Oct001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total low levelmonthly average≤ 1.3 ng/Lall year001
Mercury, total low leveldaily maximum≤ 1700 ng/Lall year001
Mercury, total low levelmonthly average≤ .000008 kg/dall year001
Mercury, total low leveldaily maximum≤ .00966 kg/dall year001
Cyanide, free availablemonthly average≤ 5.2 ug/Lall year001
Cyanide, free availabledaily maximum≤ 22 ug/Lall year001
Cyanide, free availablemonthly average≤ .03 kg/dall year001
Cyanide, free availabledaily maximum≤ .13 kg/dall year001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acuteJun, Sep001
Toxicity [chronic], Ceriodaphnia dubiamonthly average≤ 1 tox chronicJun, Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)Sep001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox chronic)Sep001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)Sep001
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≤ 56.8 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 85.2 kg/dall year001
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
Sludge weight, drymonthly averagereport only (dry ton)Dec588
Sludge weight, drydaily maximumreport only (dry ton)Dec588
Solids, total suspendedmonthly averagereport only (mg/L)all year601
Solids, total suspendeddaily maximumreport only (mg/L)all year601
Copper, total recoverablemonthly averagereport only (ug/L)all year601
Copper, total recoverabledaily maximumreport only (ug/L)all year601
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
Bypass Volumemonthly averagereport only (Mgal)all year602
Bypass Volumedaily maximumreport only (Mgal)all year602
Bypass of treatmentmonthly averagereport only (hr/mo)all year602
Bypass of treatmentdaily maximumreport only (hr/mo)all year602
Temperature, water deg. centigrademonthly averagereport only (deg C)all year801
Temperature, water deg. centigradedaily maximumreport only (deg C)all year801
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year801
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, Sep801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiadaily maximumreport only (%)Jun, Sep801
%Effect Static Renewal 96Hr Acute Pimephales promelasmonthly averagereport only (%)Sep801
%Effect Static Renewal 96Hr Acute Pimephales promelasdaily maximumreport only (%)Sep801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly averagereport only (%)Jun, Sep801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)Jun, Sep801
%Effect Static Renewal 7Day Chronic Pimephales promelasmonthly averagereport only (%)Sep801
%Effect Static Renewal 7Day Chronic Pimephales promelasdaily maximumreport only (%)Sep801
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/OH0025372 · MCP: https://passage-data.com/mcp