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Cheese, Natural And Processed, Dundee, Ohio. NPDES permit OH0007960 expired May 31, 2026; its limits still apply. Last 12 months: over a limit 8 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Toxicity [acute], Ceriodaphnia dubia, daily maximum | 4.92 | ≤ 1 tox acute | 392% |
| December 2025 | Toxicity [chronic], Ceriodaphnia dubia, monthly average | 30.3 | ≤ 3 tox chronic | 910% |
| February 2026 | Solids, total dissolved- 180 deg. C, monthly average | 2120 | ≤ 1955.5 mg/L | 8% |
| March 2026 | Toxicity [acute], Ceriodaphnia dubia, daily maximum | 3.03 | ≤ 1 tox acute | 203% |
| March 2026 | Toxicity [chronic], Ceriodaphnia dubia, monthly average | 13.23 | ≤ 3 tox chronic | 341% |
| April 2026 | Solids, total dissolved- 180 deg. C, monthly average | 2020 | ≤ 1955.5 mg/L | 3% |
| June 2026 | Toxicity [acute], Ceriodaphnia dubia, daily maximum | 1.35 | ≤ 1 tox acute | 35% |
| June 2026 | Toxicity [chronic], Ceriodaphnia dubia, monthly average | 5.95 | ≤ 3 tox chronic | 98% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 10.5 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 15.7 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 6.36 kg/d | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 9.51 kg/d | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .87 mg/L | May–Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.62 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.3 mg/L | May–Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.9 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .527 kg/d | May–Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.59 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .788 kg/d | May–Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.37 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Jan, Mar, May, Jul, Sep, Nov | 002 |
| Phosphorus, total [as P] | monthly average | ≤ 2.8 mg/L | all year | 002 |
| Phosphorus, total [as P] | daily maximum | ≤ 4.2 mg/L | all year | 002 |
| Phosphorus, total [as P] | monthly average | ≤ 1.7 kg/d | all year | 002 |
| Phosphorus, total [as P] | daily maximum | ≤ 2.55 kg/d | all year | 002 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | May–Oct | 002 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | May–Oct | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 1 tox acute | Mar, Jun, Sep, Dec | 002 |
| Toxicity [chronic], Ceriodaphnia dubia | monthly average | ≤ 3 tox chronic | Mar, Jun, Sep, Dec | 002 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1955.5 mg/L | all year | 002 |
| Solids, total dissolved- 180 deg. C | daily maximum | ≤ 2706.8 mg/L | all year | 002 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1190 kg/d | all year | 002 |
| Solids, total dissolved- 180 deg. C | daily maximum | ≤ 1640 kg/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 8.7 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 13.1 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 5.27 kg/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 7.94 kg/d | all year | 002 |
| Sludge weight, dry | monthly average | report only (dry ton) | all year | 571 |
| Sludge weight, dry | daily maximum | report only (dry ton) | all year | 571 |
| Solids, total, percent | monthly average | report only (%) | all year | 571 |
| Solids, total, percent | daily maximum | report only (%) | all year | 571 |
| Sludge weight, dry | monthly average | report only (dry ton) | Dec | 578 |
| Sludge weight, dry | daily maximum | report only (dry ton) | Dec | 578 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 801 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 801 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 801 |
| 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 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 801 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 801 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | monthly average | report only (%) | Mar, Jun, Sep, Dec | 801 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | daily maximum | report only (%) | Mar, Jun, Sep, Dec | 801 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | Mar, Jun, Sep, Dec | 801 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily maximum | report only (%) | Mar, Jun, Sep, Dec | 801 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 902 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 902 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 902 |
| pH | daily minimum | report only (SU) | all year | 902 |
| pH | daily maximum | report only (SU) | all year | 902 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 902 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 902 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 902 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 902 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 902 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 902 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 902 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 902 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | monthly average | report only (%) | Mar, Jun, Sep, Dec | 902 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | daily maximum | report only (%) | Mar, Jun, Sep, Dec | 902 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 903 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 903 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 903 |
| pH | daily minimum | report only (SU) | all year | 903 |
| pH | daily maximum | report only (SU) | all year | 903 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 903 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 903 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 903 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 903 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 903 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 903 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 903 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 903 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | Mar, Jun, Sep, Dec | 903 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily maximum | report only (%) | Mar, Jun, Sep, Dec | 903 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 904 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 904 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 904 |
| pH | daily minimum | report only (SU) | all year | 904 |
| pH | daily maximum | report only (SU) | all year | 904 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 904 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 904 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 904 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 904 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 904 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 904 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 904 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 904 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 48 Food and Kindred Products permits in Ohio.
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On EPA ECHO: Facility report · DMR history
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