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Sewage treatment plant, major discharger, Columbus, Ohio. NPDES permit OH0024741, in force until Dec 31, 2026. Last 12 months: over a limit 3 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| July 2026 | pH, minimum, daily minimum | 6.4 | ≥ 6.5 SU |
| August 2026 | E. coli, MTEC-MF, monthly geometric mean | T | ≤ 126 MPN/100mL |
| August 2026 | E. coli, MTEC-MF, weekly geometric mean | T | ≤ 284 MPN/100mL |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 16 mg/L | Jun–Oct | 001 |
| Solids, total suspended | monthly average | ≤ 26 mg/L | May | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | weekly maximum | ≤ 24 mg/L | Jun–Oct | 001 |
| Solids, total suspended | weekly maximum | ≤ 39 mg/L | May | 001 |
| Solids, total suspended | weekly maximum | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 6910 kg/d | Jun–Oct | 001 |
| Solids, total suspended | monthly average | ≤ 11300 kg/d | May | 001 |
| Solids, total suspended | monthly average | ≤ 13000 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | weekly maximum | ≤ 10400 kg/d | Jun–Oct | 001 |
| Solids, total suspended | weekly maximum | ≤ 16900 kg/d | May | 001 |
| Solids, total suspended | weekly maximum | ≤ 19500 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.5 mg/L | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 3 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 5.1 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 432 kg/d | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 863 kg/d | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1470 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 648 kg/d | Jun–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1300 kg/d | May | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 2210 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphate, ortho, dissolved [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphate, ortho, dissolved [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Lead, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | report only (ug/L) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 001 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | May–Oct | 001 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | May–Oct | 001 |
| Flow, maximum during 24 hr period | monthly average | report only (MGD) | all year | 001 |
| Flow, maximum during 24 hr period | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .02 mg/L | May–Oct | 001 |
| Mercury, total low level | monthly average | report only (ng/L) | all year | 001 |
| Mercury, total low level | daily maximum | report only (ng/L) | all year | 001 |
| Cyanide, free available | monthly average | report only (ug/L) | all year | 001 |
| Cyanide, free available | daily maximum | report only (ug/L) | all year | 001 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | May | 001 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | May | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | monthly average | report only (tox chronic) | May | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | report only (tox chronic) | May | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | May | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | May | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox chronic) | May | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox chronic) | May | 001 |
| pH, maximum | daily maximum | ≤ 9 SU | all year | 001 |
| pH, minimum | daily minimum | ≥ 6.5 SU | all year | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 8 mg/L | Jun–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 13 mg/L | May | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 12 mg/L | Jun–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 19.5 mg/L | May | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 40 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 3460 kg/d | Jun–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 5610 kg/d | May | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10800 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 5180 kg/d | Jun–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 8420 kg/d | May | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 17300 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Bypass Volume | monthly average | report only (Mgal) | all year | 002 |
| Bypass Volume | daily maximum | report only (Mgal) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 002 |
| Bypass valve | monthly average | report only (occur/mo) | all year | 002 |
| Bypass valve | daily maximum | report only (occur/mo) | all year | 002 |
| Bypass of treatment | monthly average | report only (hr/mo) | all year | 002 |
| Bypass of treatment | daily maximum | report only (hr/mo) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Overflows | monthly average | report only (occur/mo) | all year | 006 |
| Overflows | daily maximum | report only (occur/mo) | all year | 006 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 006 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 006 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 090 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 090 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 090 |
| pH, minimum | daily minimum | report only (SU) | all year | 090 |
| Overflows | monthly average | report only (occur/mo) | all year | 300 |
| Overflows | daily maximum | report only (occur/mo) | all year | 300 |
| Nitrogen, ammonia in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Nitrogen, ammonia in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Phosphorous, total, in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Phosphorous, total, in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Potassium, in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Potassium, in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Arsenic, dry weight | daily maximum | ≤ 75 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Cadmium, in bottom deposits [dry wgt] | daily maximum | ≤ 85 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Copper in bottom deposits [dry wgt] | daily maximum | ≤ 4300 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Lead, total dry weight [as Pb] | daily maximum | ≤ 840 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Nickel, tot in bottom deposits [dry wgt] | daily maximum | ≤ 420 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Zinc in bottom deposits [dry wgt] | daily maximum | ≤ 7500 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Selenium, dry weight | daily maximum | ≤ 100 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Biosolids weight indluding admixtures | monthly average | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Biosolids weight indluding admixtures | daily maximum | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Sludge weight, dry | monthly average | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Sludge weight, dry | daily maximum | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Mercury, tot in bot deposits [dry wgt] | daily maximum | ≤ 57 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Molybdenum, sludge, total, dry weight [as Mo] | daily maximum | ≤ 75 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 581 |
| Nitrogen, ammonia in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Nitrogen, ammonia in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Phosphorous, total, in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Phosphorous, total, in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Potassium, in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Potassium, in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Arsenic, dry weight | daily maximum | ≤ 75 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Cadmium, in bottom deposits [dry wgt] | daily maximum | ≤ 85 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Copper in bottom deposits [dry wgt] | daily maximum | ≤ 4300 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Lead, total dry weight [as Pb] | daily maximum | ≤ 840 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Nickel, tot in bottom deposits [dry wgt] | daily maximum | ≤ 420 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Zinc in bottom deposits [dry wgt] | daily maximum | ≤ 7500 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Selenium, dry weight | daily maximum | ≤ 100 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Biosolids weight indluding admixtures | monthly average | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Biosolids weight indluding admixtures | daily maximum | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Sludge weight, dry | monthly average | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Sludge weight, dry | daily maximum | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Mercury, tot in bot deposits [dry wgt] | daily maximum | ≤ 57 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Molybdenum, sludge, total, dry weight [as Mo] | daily maximum | ≤ 75 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 583 |
| Nitrogen, ammonia in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Nitrogen, ammonia in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Phosphorous, total, in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Phosphorous, total, in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Potassium, in bottom deposits | monthly average | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Potassium, in bottom deposits | daily maximum | report only (mg/kg) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Arsenic, dry weight | monthly average | ≤ 41 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Arsenic, dry weight | daily maximum | ≤ 75 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Cadmium, in bottom deposits [dry wgt] | monthly average | ≤ 39 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Cadmium, in bottom deposits [dry wgt] | daily maximum | ≤ 85 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Copper in bottom deposits [dry wgt] | monthly average | ≤ 1500 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Copper in bottom deposits [dry wgt] | daily maximum | ≤ 4300 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Lead, total dry weight [as Pb] | monthly average | ≤ 300 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Lead, total dry weight [as Pb] | daily maximum | ≤ 840 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Nickel, tot in bottom deposits [dry wgt] | monthly average | ≤ 420 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Nickel, tot in bottom deposits [dry wgt] | daily maximum | ≤ 420 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Zinc in bottom deposits [dry wgt] | monthly average | ≤ 2800 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Zinc in bottom deposits [dry wgt] | daily maximum | ≤ 7500 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Selenium, dry weight | monthly average | ≤ 100 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Selenium, dry weight | daily maximum | ≤ 100 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Biosolids weight indluding admixtures | monthly average | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Biosolids weight indluding admixtures | daily maximum | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Sludge weight, dry | monthly average | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Sludge weight, dry | daily maximum | report only (dry ton) | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Salmonella From Sediments | daily maximum | ≤ 3 MPN/4g | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Mercury, tot in bot deposits [dry wgt] | monthly average | ≤ 17 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Mercury, tot in bot deposits [dry wgt] | daily maximum | ≤ 57 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Molybdenum, sludge, total, dry weight [as Mo] | monthly average | ≤ 75 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Molybdenum, sludge, total, dry weight [as Mo] | daily maximum | ≤ 75 mg/kg | Feb, Apr, Jun, Aug, Oct, Dec | 584 |
| Biosolids weight indluding admixtures | monthly average | report only (dry ton) | Dec | 586 |
| Biosolids weight indluding admixtures | daily maximum | report only (dry ton) | Dec | 586 |
| Sludge weight, dry | monthly average | report only (dry ton) | Dec | 588 |
| Sludge weight, dry | daily maximum | report only (dry ton) | Dec | 588 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 601 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 601 |
| Cyanide, total [as CN] | monthly average | report only (mg/L) | all year | 601 |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year | 601 |
| Nickel, total recoverable | monthly average | report only (ug/L) | all year | 601 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year | 601 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 601 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 601 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | all year | 601 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 601 |
| Lead, total recoverable | monthly average | report only (ug/L) | all year | 601 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 601 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 601 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 601 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 601 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 601 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | report only (ug/L) | all year | 601 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 601 |
| Mercury, total low level | monthly average | report only (ng/L) | all year | 601 |
| Mercury, total low level | daily maximum | report only (ng/L) | all year | 601 |
| pH, maximum | daily maximum | report only (SU) | all year | 601 |
| pH, minimum | daily minimum | report only (SU) | all year | 601 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 601 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 601 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 603 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 603 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 603 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 603 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 603 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 603 |
| pH | daily minimum | report only (SU) | all year | 801 |
| pH | daily maximum | report only (SU) | all year | 801 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 801 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 801 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 801 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 801 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 801 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 801 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 801 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 801 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun–Aug | 801 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun–Aug | 801 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | monthly average | report only (%) | May | 801 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | daily maximum | report only (%) | May | 801 |
| %Effect Static Renewal 96Hr Acute Pimephales promelas | monthly average | report only (%) | May | 801 |
| %Effect Static Renewal 96Hr Acute Pimephales promelas | daily maximum | report only (%) | May | 801 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | May | 801 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily maximum | report only (%) | May | 801 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | monthly average | report only (%) | May | 801 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | daily maximum | report only (%) | May | 801 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 901 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 901 |
| pH | daily minimum | report only (SU) | all year | 901 |
| pH | daily maximum | report only (SU) | all year | 901 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 901 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 901 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 901 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 901 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 901 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 901 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 901 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 901 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 901 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 901 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | Jun–Aug | 901 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | Jun–Aug | 901 |
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/OH0024741 · MCP: https://passage-data.com/mcp