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Sewage treatment plant, major discharger, Beavercreek, Ohio. NPDES permit OH0025381, in force until Nov 30, 2030. Last 12 months: over a limit 21 times (last July 2026), 2 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| February 2026 | Solids, total suspended, weekly maximum | 1300 | ≤ 773 kg/d | 68% |
| February 2026 | Solids, total suspended, weekly maximum | 30 | ≤ 19.3 mg/L | 55% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 1300 | ≤ 1290 kg/d | 1% |
| March 2026 | Oxygen, dissolved [DO], daily minimum | 4.7 | ≥ 6 mg/L | 22% |
| March 2026 | Solids, total suspended, monthly average | 1560 | ≤ 515 kg/d | 203% |
| March 2026 | Solids, total suspended, monthly average | 24.9 | ≤ 12.9 mg/L | 93% |
| March 2026 | Solids, total suspended, weekly maximum | 4810 | ≤ 773 kg/d | 522% |
| March 2026 | Solids, total suspended, weekly maximum | 73.3 | ≤ 19.3 mg/L | 280% |
| April 2026 | pH, minimum, daily minimum | 5.4 | ≥ 6.5 SU | — |
| June 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 8.3 | ≤ 8 mg/L | 4% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 19 | ≤ 12 mg/L | 58% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], weekly maximum | 700 | ≤ 483 kg/d | 45% |
| June 2026 | Solids, total suspended, monthly average | 23.4 | ≤ 8.8 mg/L | 166% |
| June 2026 | Solids, total suspended, monthly average | 869 | ≤ 354 kg/d | 145% |
| June 2026 | Solids, total suspended, weekly maximum | 2770 | ≤ 515 kg/d | 438% |
| June 2026 | Solids, total suspended, weekly maximum | 74 | ≤ 13.2 mg/L | 461% |
| July 2026 | E. coli, MTEC-MF, monthly geometric mean | T | ≤ 126 MPN/100mL | — |
| July 2026 | E. coli, MTEC-MF, weekly geometric mean | T | ≤ 284 MPN/100mL | — |
| July 2026 | Nitrogen, ammonia total [as N], weekly maximum | 1.92 | ≤ 1.3 mg/L | 48% |
| July 2026 | Nitrogen, ammonia total [as N], weekly maximum | 66.9 | ≤ 51.5 kg/d | 30% |
| July 2026 | Solids, total suspended, monthly average | 9 | ≤ 8.8 mg/L | 2% |
| 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 | ≥ 6 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 8.8 mg/L | May–Oct | 001 |
| Solids, total suspended | monthly average | ≤ 12.9 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | weekly maximum | ≤ 13.2 mg/L | May–Oct | 001 |
| Solids, total suspended | weekly maximum | ≤ 19.3 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 354 kg/d | May–Oct | 001 |
| Solids, total suspended | monthly average | ≤ 515 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Solids, total suspended | weekly maximum | ≤ 515 kg/d | May–Oct | 001 |
| Solids, total suspended | weekly maximum | ≤ 773 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 | ≤ .9 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 1.3 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 4.6 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 35.4 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 123 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 51.5 kg/d | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 184 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 | ≤ .8 mg/L | May–Oct | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Phosphorus, total [as P] | weekly maximum | ≤ 1.2 mg/L | May–Oct | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 32.2 kg/d | May–Oct | 001 |
| Phosphorus, total [as P] | weekly maximum | ≤ 48.3 kg/d | May–Oct | 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) | Feb, May, Aug, Nov | 001 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 001 |
| Silver total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Silver total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Feb, May, Aug, Nov | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 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) | Feb, May, Aug, Nov | 001 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 001 |
| Chromium, total recoverable | monthly average | report only (ug/L) | Feb, May, Aug, Nov | 001 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 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) | Feb, May, Aug, Nov | 001 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 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, 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 |
| 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) | Aug | 001 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Aug | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | monthly average | report only (tox chronic) | Aug | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | report only (tox chronic) | Aug | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Aug | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Aug | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox chronic) | Aug | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox chronic) | Aug | 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 | May–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20.1 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 12 mg/L | May–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 30.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 322 kg/d | May–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 805 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 483 kg/d | May–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 1290 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Overflows | monthly average | report only (occur/mo) | all year | 300 |
| Overflows | daily maximum | report only (occur/mo) | all year | 300 |
| 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 |
| pH | daily minimum | report only (SU) | all year | 601 |
| pH | daily maximum | report only (SU) | all year | 601 |
| 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) | Feb, May, Aug, Nov | 601 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 601 |
| Silver total recoverable | monthly average | report only (ug/L) | all year | 601 |
| Silver total recoverable | daily maximum | report only (ug/L) | all year | 601 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Feb, May, Aug, Nov | 601 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 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) | Feb, May, Aug, Nov | 601 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 601 |
| Chromium, total recoverable | monthly average | report only (ug/L) | Feb, May, Aug, Nov | 601 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 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) | Feb, May, Aug, Nov | 601 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | Feb, May, Aug, Nov | 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 |
| 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 |
| 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 (%) | Aug | 801 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | daily maximum | report only (%) | Aug | 801 |
| %Effect Static Renewal 96Hr Acute Pimephales promelas | monthly average | report only (%) | Aug | 801 |
| %Effect Static Renewal 96Hr Acute Pimephales promelas | daily maximum | report only (%) | Aug | 801 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | Aug | 801 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily maximum | report only (%) | Aug | 801 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | monthly average | report only (%) | Aug | 801 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | daily maximum | report only (%) | Aug | 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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