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City of Wooster-Water Resource RecoveryFacility

Sewage treatment plant, major discharger, Wooster, Ohio. NPDES permit OH0028185, in force until Nov 30, 2029. Last 12 months: over a limit 9 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (50 values), outfall 300 form A monthly (2 values), outfall 581 form A monthly (32 values), outfall 584 form A monthly (39 values), outfall 601 form A monthly (24 values), outfall 801 form A monthly (13 values), and 1 more form
Last report on file
August 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 94 reports late

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

Period endingParameterReportedLimitOver by
March 2026Oxygen, dissolved [DO], daily minimum4.9≥ 5 mg/L2%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average320≤ 284 kg/d13%
April 2026BOD, carbonaceous [5 day, 20 C], weekly maximum790≤ 426 kg/d85%
April 2026Nitrogen, ammonia total [as N], weekly maximum244.5≤ 191 kg/d28%
April 2026Oxygen, dissolved [DO], daily minimum4.8≥ 5 mg/L4%
April 2026Solids, total suspended, monthly average480≤ 455 kg/d5%
April 2026Solids, total suspended, weekly maximum1600≤ 682 kg/d135%
July 2026Oxygen, dissolved [DO], daily minimum4.6≥ 5 mg/L8%
July 2026pH, minimum, daily minimum6.4≥ 6.5 SU—

Limits in force (211)

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≥ 5 mg/Lall year001
Solids, total suspendedmonthly average≤ 16 mg/Lall year001
Solids, total suspendedweekly maximum≤ 24 mg/Lall year001
Solids, total suspendedmonthly average≤ 455 kg/dall year001
Solids, total suspendedweekly maximum≤ 682 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 4.48 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 2.1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 6.72 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 39.8 kg/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 127 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 59.7 kg/dMay–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 191 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 averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all 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)all year001
Cadmium, total recoverabledaily maximumreport only (ug/L)all year001
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)all year001
Copper, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)Mar, Jun, Sep, Dec001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)Mar, Jun, Sep, Dec001
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 averagereport only (ng/L)Mar, Jun, Sep, Dec001
Mercury, total low leveldaily maximumreport only (ng/L)Mar, Jun, Sep, Dec001
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 dubiamonthly averagereport only (tox acute)Jun, Dec001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)Jun, Dec001
Toxicity [chronic], Ceriodaphnia dubiamonthly averagereport only (tox chronic)Jun, Dec001
Toxicity [chronic], Ceriodaphnia dubiadaily maximumreport only (tox chronic)Jun, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)Jun001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)Jun001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox chronic)Jun001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)Jun001
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≤ 284 kg/dall year001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 426 kg/dall year001
Overflowsmonthly averagereport only (occur/mo)all year003
Overflowsdaily maximumreport only (occur/mo)all year003
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year003
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year003
Overflowsmonthly averagereport only (occur/mo)all year004
Overflowsdaily maximumreport only (occur/mo)all year004
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year004
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year004
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
Solids, total volatile, percent removalmonthly averagereport only (%)Mar, Jun, Sep, Dec581
Solids, total volatile, percent removaldaily maximumreport only (%)Mar, Jun, Sep, Dec581
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec581
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)Mar, Jun, Sep, Dec581
pHdaily minimumreport only (SU)Mar, Jun, Sep, Dec581
pHdaily maximumreport only (SU)Mar, Jun, Sep, Dec581
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec581
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec581
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
Fecal coliformdaily maximum≤ 2000000 MPN/gMar, 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
Sludge weight, drymonthly averagereport only (dry ton)Mar, Jun, Sep, Dec581
Sludge weight, drydaily maximumreport only (dry ton)Mar, Jun, Sep, Dec581
Solids, total, percentmonthly averagereport only (%)Mar, Jun, Sep, Dec581
Solids, total, percentdaily maximumreport only (%)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
Solids, total volatile, percent removalmonthly averagereport only (%)Mar, Jun, Sep, Dec584
Solids, total volatile, percent removaldaily maximumreport only (%)Mar, Jun, Sep, Dec584
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec584
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)Mar, Jun, Sep, Dec584
pHdaily minimumreport only (SU)Mar, Jun, Sep, Dec584
pHdaily maximumreport only (SU)Mar, Jun, Sep, Dec584
Oil and grease, hexane extr methodmonthly averagereport only (mg/L)Mar, Jun, Sep, Dec584
Oil and grease, hexane extr methoddaily maximumreport only (mg/L)Mar, Jun, Sep, Dec584
Nitrogen, ammonia in bottom depositsmonthly averagereport only (mg/kg)Mar, Jun, Sep, Dec584
Nitrogen, ammonia in bottom depositsdaily maximumreport only (mg/kg)Mar, Jun, Sep, Dec584
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/kg)Mar, Jun, Sep, Dec584
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/kg)Mar, Jun, Sep, Dec584
Phosphorous, total, in bottom depositsmonthly averagereport only (mg/kg)Mar, Jun, Sep, Dec584
Phosphorous, total, in bottom depositsdaily maximumreport only (mg/kg)Mar, Jun, Sep, Dec584
Potassium, in bottom depositsmonthly averagereport only (mg/kg)Mar, Jun, Sep, Dec584
Potassium, in bottom depositsdaily maximumreport only (mg/kg)Mar, Jun, Sep, Dec584
Arsenic, dry weightmonthly average≤ 41 mg/kgMar, Jun, Sep, Dec584
Arsenic, dry weightdaily maximum≤ 75 mg/kgMar, Jun, Sep, Dec584
Cadmium, in bottom deposits [dry wgt]monthly average≤ 39 mg/kgMar, Jun, Sep, Dec584
Cadmium, in bottom deposits [dry wgt]daily maximum≤ 85 mg/kgMar, Jun, Sep, Dec584
Copper in bottom deposits [dry wgt]monthly average≤ 1500 mg/kgMar, Jun, Sep, Dec584
Copper in bottom deposits [dry wgt]daily maximum≤ 4300 mg/kgMar, Jun, Sep, Dec584
Lead, total dry weight [as Pb]monthly average≤ 300 mg/kgMar, Jun, Sep, Dec584
Lead, total dry weight [as Pb]daily maximum≤ 840 mg/kgMar, Jun, Sep, Dec584
Nickel, tot in bottom deposits [dry wgt]monthly average≤ 420 mg/kgMar, Jun, Sep, Dec584
Nickel, tot in bottom deposits [dry wgt]daily maximum≤ 420 mg/kgMar, Jun, Sep, Dec584
Zinc in bottom deposits [dry wgt]monthly average≤ 2800 mg/kgMar, Jun, Sep, Dec584
Zinc in bottom deposits [dry wgt]daily maximum≤ 7500 mg/kgMar, Jun, Sep, Dec584
Selenium, dry weightmonthly average≤ 100 mg/kgMar, Jun, Sep, Dec584
Selenium, dry weightdaily maximum≤ 100 mg/kgMar, Jun, Sep, Dec584
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Mar, Jun, Sep, Dec584
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Mar, Jun, Sep, Dec584
Sludge weight, drymonthly averagereport only (dry ton)Mar, Jun, Sep, Dec584
Sludge weight, drydaily maximumreport only (dry ton)Mar, Jun, Sep, Dec584
Salmonella From Sedimentsdaily maximum≤ 3 MPN/4gMar, Jun, Sep, Dec584
Mercury, tot in bot deposits [dry wgt]monthly average≤ 17 mg/kgMar, Jun, Sep, Dec584
Mercury, tot in bot deposits [dry wgt]daily maximum≤ 57 mg/kgMar, Jun, Sep, Dec584
Molybdenum, sludge, total, dry weight [as Mo]monthly average≤ 75 mg/kgMar, Jun, Sep, Dec584
Molybdenum, sludge, total, dry weight [as Mo]daily maximum≤ 75 mg/kgMar, Jun, Sep, Dec584
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec586
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec586
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Dec588
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Dec588
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, Sep, Dec601
Cyanide, total [as CN]daily maximumreport only (mg/L)Mar, Jun, Sep, Dec601
Nickel, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec601
Nickel, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec601
Zinc, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec601
Zinc, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec601
Cadmium, total recoverablemonthly averagereport only (ug/L)all year601
Cadmium, total recoverabledaily maximumreport only (ug/L)all year601
Lead, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec601
Lead, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec601
Chromium, total recoverablemonthly averagereport only (ug/L)Mar, Jun, Sep, Dec601
Chromium, total recoverabledaily maximumreport only (ug/L)Mar, Jun, Sep, Dec601
Copper, total recoverablemonthly averagereport only (ug/L)all year601
Copper, total recoverabledaily maximumreport only (ug/L)all year601
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)Mar, Jun, Sep, Dec601
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)Mar, Jun, Sep, Dec601
Mercury, total low levelmonthly averagereport only (ng/L)Mar, Jun, Sep, Dec601
Mercury, total low leveldaily maximumreport only (ng/L)Mar, Jun, Sep, Dec601
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
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, Dec801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiadaily maximumreport only (%)Jun, Dec801
%Effect Static Renewal 96Hr Acute Pimephales promelasmonthly averagereport only (%)Jun801
%Effect Static Renewal 96Hr Acute Pimephales promelasdaily maximumreport only (%)Jun801
%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 (%)Jun801
%Effect Static Renewal 7Day Chronic Pimephales promelasdaily maximumreport only (%)Jun801
Temperature, water deg. centigrademonthly averagereport only (deg C)all year903
Temperature, water deg. centigradedaily maximumreport only (deg C)all year903
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year903
pHdaily minimumreport only (SU)all year903
pHdaily maximumreport only (SU)all year903
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year903
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year903
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year903
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year903
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year903
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year903
Phosphorus, total [as P]monthly averagereport only (mg/L)all year903
Phosphorus, total [as P]daily maximumreport only (mg/L)all year903
Hardness, total [as CaCO3]monthly averagereport only (mg/L)all year903
Hardness, total [as CaCO3]daily maximumreport only (mg/L)all year903
E. coli, MTEC-MFmonthly geometric meanreport only (MPN/100mL)Jun–Aug903
E. coli, MTEC-MFdaily maximumreport only (MPN/100mL)Jun–Aug903

New limits from Dec 1, 2026

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Cadmium, total recoverable, daily maximum0.4 kg/dnew——
Cadmium, total recoverable, daily maximum14 ug/Lnew0.4 ug/L (4 values)0.0286×
Cadmium, total recoverable, monthly average5.8 ug/Lnew0.215 ug/L (4 values)0.0371×
Cadmium, total recoverable, monthly average0.17 kg/dnew——

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0028185 · MCP: https://passage-data.com/mcp