Passage Data · Check a report · Use it from your AI

City of Columbus, Sewerage & Drainage

Sewage treatment plant, major discharger, Columbus, Ohio. NPDES permit OH0024732, in force until Dec 31, 2026. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (51 values), outfall 300 form A monthly (2 values), outfall 601 form A monthly (24 values), outfall 801 form A monthly (8 values), outfall 901 form A monthly (14 values)
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 434 reports late

Limits in force (331)

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≤ 16 mg/LJun–Oct001
Solids, total suspendedmonthly average≤ 26 mg/LMay001
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly maximum≤ 24 mg/LJun–Oct001
Solids, total suspendedweekly maximum≤ 39 mg/LMay001
Solids, total suspendedweekly maximum≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 4120 kg/dJun–Oct001
Solids, total suspendedmonthly average≤ 6700 kg/dMay001
Solids, total suspendedmonthly average≤ 7730 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly maximum≤ 6180 kg/dJun–Oct001
Solids, total suspendedweekly maximum≤ 10100 kg/dMay001
Solids, total suspendedweekly maximum≤ 11600 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.5 mg/LMay001
Nitrogen, ammonia total [as N]monthly average≤ 3.7 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 1.5 mg/LJun–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 3.75 mg/LMay001
Nitrogen, ammonia total [as N]weekly maximum≤ 5.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 258 kg/dJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 644 kg/dMay001
Nitrogen, ammonia total [as N]monthly average≤ 953 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]weekly maximum≤ 387 kg/dJun–Oct001
Nitrogen, ammonia total [as N]weekly maximum≤ 966 kg/dMay001
Nitrogen, ammonia total [as N]weekly maximum≤ 1420 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)all year001
Nickel, total recoverabledaily maximumreport only (ug/L)all year001
Zinc, total recoverablemonthly averagereport only (ug/L)all year001
Zinc, total recoverabledaily maximumreport only (ug/L)all year001
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)all year001
Lead, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, total recoverablemonthly averagereport only (ug/L)all year001
Chromium, total recoverabledaily maximumreport only (ug/L)all year001
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)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
Chlorine, total residualdaily maximum≤ .019 mg/LMay–Oct001
Mercury, total low levelmonthly averagereport only (ng/L)all year001
Mercury, total low leveldaily maximumreport only (ng/L)all year001
Cyanide, free availablemonthly averagereport only (ug/L)all year001
Cyanide, free availabledaily maximumreport only (ug/L)all year001
Toxicity [acute], Ceriodaphnia dubiamonthly averagereport only (tox acute)May001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (tox acute)May001
Toxicity [chronic], Ceriodaphnia dubiamonthly averagereport only (tox chronic)May001
Toxicity [chronic], Ceriodaphnia dubiadaily maximumreport only (tox chronic)May001
Toxicity [acute], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox acute)May001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox acute)May001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly averagereport only (tox chronic)May001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)May001
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≤ 8 mg/LJun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 13 mg/LMay001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 12 mg/LJun–Oct001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 19.5 mg/LMay001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2060 kg/dJun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3350 kg/dMay001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5150 kg/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 3090 kg/dJun–Oct001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 5020 kg/dMay001
BOD, carbonaceous [5 day, 20 C]weekly maximum≤ 7730 kg/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Bypass Volumemonthly averagereport only (Mgal)all year002
Bypass Volumedaily maximumreport only (Mgal)all year002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year002
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year002
Bypass valvemonthly averagereport only (occur/mo)all year002
Bypass valvedaily maximumreport only (occur/mo)all year002
Bypass of treatmentmonthly averagereport only (hr/mo)all year002
Bypass of treatmentdaily maximumreport only (hr/mo)all year002
Solids, total suspendedmonthly averagereport only (mg/L)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Bypass Volumemonthly averagereport only (Mgal)all year003
Bypass Volumedaily maximumreport only (Mgal)all year003
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year003
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year003
Bypass valvemonthly averagereport only (occur/mo)all year003
Bypass valvedaily maximumreport only (occur/mo)all year003
Bypass of treatmentmonthly averagereport only (hr/mo)all year003
Bypass of treatmentdaily maximumreport only (hr/mo)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 year005
Overflowsdaily maximumreport only (occur/mo)all year005
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year005
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year005
Solids, total suspendedmonthly averagereport only (mg/L)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year006
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year006
Overflowsmonthly averagereport only (occur/mo)all year006
Overflowsdaily maximumreport only (occur/mo)all year006
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year006
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year006
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year006
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year006
Overflowsmonthly averagereport only (occur/mo)all year007
Overflowsdaily maximumreport only (occur/mo)all year007
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year007
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year007
Overflowsmonthly averagereport only (occur/mo)all year010
Overflowsdaily maximumreport only (occur/mo)all year010
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year010
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year010
Overflowsmonthly averagereport only (occur/mo)all year011
Overflowsdaily maximumreport only (occur/mo)all year011
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year011
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year011
Overflowsmonthly averagereport only (occur/mo)all year012
Overflowsdaily maximumreport only (occur/mo)all year012
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year012
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year012
Overflowsmonthly averagereport only (occur/mo)all year015
Overflowsdaily maximumreport only (occur/mo)all year015
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year015
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year015
Overflowsmonthly averagereport only (occur/mo)all year017
Overflowsdaily maximumreport only (occur/mo)all year017
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year017
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year017
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year018
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year018
Overflowsmonthly averagereport only (occur/mo)all year019
Overflowsdaily maximumreport only (occur/mo)all year019
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year019
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year019
Overflowsmonthly averagereport only (occur/mo)all year020
Overflowsdaily maximumreport only (occur/mo)all year020
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year020
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year020
Overflowsmonthly averagereport only (occur/mo)all year027
Overflowsdaily maximumreport only (occur/mo)all year027
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year027
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year027
Overflowsmonthly averagereport only (occur/mo)all year028
Overflowsdaily maximumreport only (occur/mo)all year028
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year028
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year028
Overflowsmonthly averagereport only (occur/mo)all year029
Overflowsdaily maximumreport only (occur/mo)all year029
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year029
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year029
Overflowsmonthly averagereport only (occur/mo)all year031
Overflowsdaily maximumreport only (occur/mo)all year031
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year031
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year031
Overflowsmonthly averagereport only (occur/mo)all year032
Overflowsdaily maximumreport only (occur/mo)all year032
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year032
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year032
Overflowsmonthly averagereport only (occur/mo)all year033
Overflowsdaily maximumreport only (occur/mo)all year033
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year033
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year033
Overflowsmonthly averagereport only (occur/mo)all year041
Overflowsdaily maximumreport only (occur/mo)all year041
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year041
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year041
Overflowsmonthly averagereport only (occur/mo)all year043
Overflowsdaily maximumreport only (occur/mo)all year043
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year043
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year043
Overflowsmonthly averagereport only (occur/mo)all year044
Overflowsdaily maximumreport only (occur/mo)all year044
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year044
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year044
Overflowsmonthly averagereport only (occur/mo)all year045
Overflowsdaily maximumreport only (occur/mo)all year045
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year045
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year045
Overflowsmonthly averagereport only (occur/mo)all year046
Overflowsdaily maximumreport only (occur/mo)all year046
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year046
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year046
Overflowsmonthly averagereport only (occur/mo)all year047
Overflowsdaily maximumreport only (occur/mo)all year047
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year047
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year047
Overflowsmonthly averagereport only (occur/mo)all year048
Overflowsdaily maximumreport only (occur/mo)all year048
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year048
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year048
Overflowsmonthly averagereport only (occur/mo)all year049
Overflowsdaily maximumreport only (occur/mo)all year049
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year049
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year049
Solids, total suspendedmonthly averagereport only (mg/L)all year051
Solids, total suspendeddaily maximumreport only (mg/L)all year051
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year051
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year051
Overflowsmonthly averagereport only (occur/mo)all year051
Overflowsdaily maximumreport only (occur/mo)all year051
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year051
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year051
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year051
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year051
Overflowsmonthly averagereport only (occur/mo)all year052
Overflowsdaily maximumreport only (occur/mo)all year052
Overflow volume [SS0 volume, CSO volume]monthly averagereport only (Mgal)all year052
Overflow volume [SS0 volume, CSO volume]daily maximumreport only (Mgal)all year052
Overflowsmonthly averagereport only (occur/mo)all year300
Overflowsdaily maximumreport only (occur/mo)all year300
Nitrogen, ammonia in bottom depositsmonthly averagereport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec581
Nitrogen, ammonia in bottom depositsdaily maximumreport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec581
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec581
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec581
Phosphorous, total, in bottom depositsmonthly averagereport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec581
Phosphorous, total, in bottom depositsdaily maximumreport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec581
Potassium, in bottom depositsmonthly averagereport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec581
Potassium, in bottom depositsdaily maximumreport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec581
Arsenic, dry weightdaily maximum≤ 75 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Cadmium, in bottom deposits [dry wgt]daily maximum≤ 85 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Copper in bottom deposits [dry wgt]daily maximum≤ 4300 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Lead, total dry weight [as Pb]daily maximum≤ 840 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Nickel, tot in bottom deposits [dry wgt]daily maximum≤ 420 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Zinc in bottom deposits [dry wgt]daily maximum≤ 7500 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Selenium, dry weightdaily maximum≤ 100 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Feb, Apr, Jun, Aug, Oct, Dec581
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Feb, Apr, Jun, Aug, Oct, Dec581
Sludge weight, drymonthly averagereport only (dry ton)Feb, Apr, Jun, Aug, Oct, Dec581
Sludge weight, drydaily maximumreport only (dry ton)Feb, Apr, Jun, Aug, Oct, Dec581
Mercury, tot in bot deposits [dry wgt]daily maximum≤ 57 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Molybdenum, sludge, total, dry weight [as Mo]daily maximum≤ 75 mg/kgFeb, Apr, Jun, Aug, Oct, Dec581
Nitrogen, ammonia in bottom depositsmonthly averagereport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec583
Nitrogen, ammonia in bottom depositsdaily maximumreport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec583
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec583
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec583
Phosphorous, total, in bottom depositsmonthly averagereport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec583
Phosphorous, total, in bottom depositsdaily maximumreport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec583
Potassium, in bottom depositsmonthly averagereport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec583
Potassium, in bottom depositsdaily maximumreport only (mg/kg)Feb, Apr, Jun, Aug, Oct, Dec583
Arsenic, dry weightdaily maximum≤ 75 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
Cadmium, in bottom deposits [dry wgt]daily maximum≤ 85 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
Copper in bottom deposits [dry wgt]daily maximum≤ 4300 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
Lead, total dry weight [as Pb]daily maximum≤ 840 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
Nickel, tot in bottom deposits [dry wgt]daily maximum≤ 420 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
Zinc in bottom deposits [dry wgt]daily maximum≤ 7500 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
Selenium, dry weightdaily maximum≤ 100 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
Biosolids weight indluding admixturesmonthly averagereport only (dry ton)Feb, Apr, Jun, Aug, Oct, Dec583
Biosolids weight indluding admixturesdaily maximumreport only (dry ton)Feb, Apr, Jun, Aug, Oct, Dec583
Sludge weight, drymonthly averagereport only (dry ton)Feb, Apr, Jun, Aug, Oct, Dec583
Sludge weight, drydaily maximumreport only (dry ton)Feb, Apr, Jun, Aug, Oct, Dec583
Mercury, tot in bot deposits [dry wgt]daily maximum≤ 57 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
Molybdenum, sludge, total, dry weight [as Mo]daily maximum≤ 75 mg/kgFeb, Apr, Jun, Aug, Oct, Dec583
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
Cyanide, total [as CN]monthly averagereport only (mg/L)all year601
Cyanide, total [as CN]daily maximumreport only (mg/L)all year601
Nickel, total recoverablemonthly averagereport only (ug/L)all year601
Nickel, total recoverabledaily maximumreport only (ug/L)all year601
Zinc, total recoverablemonthly averagereport only (ug/L)all year601
Zinc, total recoverabledaily maximumreport only (ug/L)all year601
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)all year601
Lead, total recoverabledaily maximumreport only (ug/L)all year601
Chromium, total recoverablemonthly averagereport only (ug/L)all year601
Chromium, total recoverabledaily maximumreport only (ug/L)all year601
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)all year601
Chromium, hexavalent dissolved [as Cr]daily 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
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 (%)May801
%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiadaily maximumreport only (%)May801
%Effect Static Renewal 96Hr Acute Pimephales promelasmonthly averagereport only (%)May801
%Effect Static Renewal 96Hr Acute Pimephales promelasdaily maximumreport only (%)May801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiamonthly averagereport only (%)May801
%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiadaily maximumreport only (%)May801
%Effect Static Renewal 7Day Chronic Pimephales promelasmonthly averagereport only (%)May801
%Effect Static Renewal 7Day Chronic Pimephales promelasdaily maximumreport only (%)May801
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.

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0024732 · MCP: https://passage-data.com/mcp