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Paper Mills, major discharger, Middletown, Ohio. NPDES permit OH0105228, in force until Nov 30, 2026. Last 12 months: over a limit 11 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| February 2026 | BOD, 5-day, 20 deg. C, daily maximum | 105 | ≤ 83 mg/L | 27% |
| February 2026 | BOD, 5-day, 20 deg. C, daily maximum | 1270 | ≤ 1257 kg/d | 1% |
| February 2026 | Solids, total suspended, daily maximum | 236 | ≤ 224 mg/L | 5% |
| February 2026 | Solids, total suspended, daily maximum | 3610 | ≤ 3390 kg/d | 6% |
| March 2026 | Oxygen, dissolved [DO], daily minimum | 4.37 | ≥ 5 mg/L | 13% |
| March 2026 | pH, minimum, daily minimum | 6.03 | ≥ 6.5 SU | — |
| April 2026 | Oxygen, dissolved [DO], daily minimum | 4.59 | ≥ 5 mg/L | 8% |
| May 2026 | Oxygen, dissolved [DO], daily minimum | 3.3 | ≥ 5 mg/L | 34% |
| June 2026 | Oxygen, dissolved [DO], daily minimum | 4.64 | ≥ 5 mg/L | 7% |
| August 2026 | Oxygen, dissolved [DO], daily minimum | 4.19 | ≥ 5 mg/L | 16% |
| September 2026 | Oxygen, dissolved [DO], daily minimum | 4.18 | ≥ 5 mg/L | 16% |
| 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 |
| Turbidity | monthly average | report only (NTU) | all year | 001 |
| Turbidity | daily maximum | report only (NTU) | all year | 001 |
| Color [PT-CO units] | monthly average | report only (col unit (pc)) | all year | 001 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 61 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 38 mg/L | May–Oct | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 83 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 51 mg/L | May–Oct | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 924 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 576 kg/d | May–Oct | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 1257 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 772 kg/d | May–Oct | 001 |
| Solids, total suspended | monthly average | ≤ 116 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 224 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 1760 kg/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 3390 kg/d | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 13.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.77 mg/L | May–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 210 kg/d | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 42 kg/d | May–Oct | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 1 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 | ≤ 17.9 kg/d | May–Oct | 001 |
| Selenium, total recoverable | monthly average | ≤ 8.9 ug/L | all year | 001 |
| Selenium, total recoverable | daily maximum | ≤ 105 ug/L | all year | 001 |
| Selenium, total recoverable | monthly average | ≤ .147 kg/d | all year | 001 |
| Selenium, total recoverable | daily maximum | ≤ 1.73 kg/d | all year | 001 |
| Barium, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Barium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Chromium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| 2,4,6-Trichlorophenol | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| 2,4,6-Trichlorophenol | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Pentachlorophenol | monthly average | report only (ug/L) | all year | 001 |
| Pentachlorophenol | daily maximum | report only (ug/L) | 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 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Aug, Dec | 001 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Aug, Dec | 001 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Jun | 001 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Jun | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | monthly average | report only (tox chronic) | Jun | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | report only (tox chronic) | Jun | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Jun | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Jun | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox chronic) | Jun | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox chronic) | Jun | 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 |
| Chlorinated dibenzo-p-dioxins, effluent | monthly average | report only (pg/L) | Mar, Jun, Aug, Dec | 001 |
| Chlorinated dibenzo-p-dioxins, effluent | daily maximum | report only (pg/L) | Mar, Jun, Aug, Dec | 001 |
| 2,4,5-Trichlorophenol | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| 2,4,5-Trichlorophenol | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 001 |
| 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 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 006 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 006 |
| pH | daily minimum | ≥ 6.5 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 007 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 007 |
| pH | daily minimum | ≥ 6.5 SU | all year | 007 |
| pH | daily maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 007 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 007 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 007 |
| Selenium, total recoverable | monthly average | ≤ 8.9 ug/L | all year | 007 |
| Selenium, total recoverable | daily maximum | ≤ 105 ug/L | all year | 007 |
| Selenium, total recoverable | monthly average | ≤ .013 kg/d | all year | 007 |
| Selenium, total recoverable | daily maximum | ≤ .159 kg/d | all year | 007 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 007 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 007 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 007 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Mercury, total low level | monthly average | ≤ 12 ng/L | all year | 007 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | all year | 007 |
| Mercury, total low level | monthly average | ≤ .00002 kg/d | all year | 007 |
| Mercury, total low level | daily maximum | ≤ .0026 kg/d | all year | 007 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Jun | 007 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Jun | 007 |
| Toxicity [chronic], Ceriodaphnia dubia | monthly average | report only (tox chronic) | Jun | 007 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | report only (tox chronic) | Jun | 007 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Jun | 007 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Jun | 007 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox chronic) | Jun | 007 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox chronic) | Jun | 007 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 007 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 007 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 600 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 600 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 600 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 600 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 600 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 600 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 600 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 600 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 600 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 600 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Aug, Dec | 600 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Aug, Dec | 600 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | monthly average | report only (%) | Jun | 801 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | daily maximum | report only (%) | Jun | 801 |
| %Effect Static Renewal 96Hr Acute Pimephales promelas | monthly average | report only (%) | Jun | 801 |
| %Effect Static Renewal 96Hr Acute Pimephales promelas | daily maximum | report only (%) | Jun | 801 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average | report only (%) | Jun | 801 |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily maximum | report only (%) | Jun | 801 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | monthly average | report only (%) | Jun | 801 |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | daily maximum | report only (%) | Jun | 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 |
| Turbidity | monthly average | report only (NTU) | all year | 901 |
| Turbidity | daily maximum | report only (NTU) | all year | 901 |
| Color [PT-CO units] | monthly average | report only (col unit (pc)) | all year | 901 |
| Color [PT-CO units] | daily maximum | report only (col unit (pc)) | 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 |
| 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 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 8 Paper and Allied Products permits in Ohio.
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On EPA ECHO: Facility report · DMR history
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