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Industrial Organic Chemicals, Fostoria, Ohio. NPDES permit OH0138878, in force until Sep 30, 2028. Last 12 months: over a limit 3 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| March 2026 | 003 | Solids, total suspended, daily maximum | 49.3 | ≤ 45 mg/L | 10% |
| March 2026 | 003 | Solids, total suspended, monthly average | 49.3 | ≤ 30 mg/L | 64% |
| August 2026 | 002 | Solids, total suspended, monthly average | 42 | ≤ 30 mg/L | 40% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | ≤ 82 deg F | May–Oct | 001 |
| Temperature, water deg. fahrenheit | monthly average | ≤ 60 deg F | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 85 deg F | May–Oct | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 65 deg F | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 001 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 21 kg/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 32 kg/d | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 10 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 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Iron, total recoverable | daily maximum | report only (ug/L) | 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) | all year | 001 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year | 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) | 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 |
| Oxidants, total residual | daily maximum | ≤ .01 mg/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 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | all year | 001 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | all year | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1500 mg/L | all year | 001 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 1052 kg/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Aug, Dec | 002 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Aug, Dec | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Mar, Jun, Aug, Dec | 002 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | Mar, Jun, Aug, Dec | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | Mar, Jun, Aug, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| Rainfall | monthly average | report only (in) | all year | 002 |
| Rainfall | daily maximum | report only (in) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Mar, Jun, Aug, Dec | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Mar, Jun, Aug, Dec | 002 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| Overflow volume [SS0 volume, CSO volume] | monthly average | report only (Mgal) | all year | 002 |
| Overflow volume [SS0 volume, CSO volume] | daily maximum | report only (Mgal) | all year | 002 |
| Duration of discharge | monthly average | report only (hr) | all year | 002 |
| Duration of discharge | daily maximum | report only (hr) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Aug, Dec | 003 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Aug, Dec | 003 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Mar, Jun, Aug, Dec | 003 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | Mar, Jun, Aug, Dec | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | Mar, Jun, Aug, Dec | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Rainfall | monthly average | report only (in) | all year | 003 |
| Rainfall | daily maximum | report only (in) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Mar, Jun, Aug, Dec | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Mar, Jun, Aug, Dec | 003 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Overflow volume [SS0 volume, CSO volume] | monthly average | report only (Mgal) | all year | 003 |
| Overflow volume [SS0 volume, CSO volume] | daily maximum | report only (Mgal) | all year | 003 |
| Duration of discharge | monthly average | report only (hr) | all year | 003 |
| Duration of discharge | daily maximum | report only (hr) | all year | 003 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Mar, Jun, Aug, Dec | 801 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Mar, Jun, Aug, Dec | 801 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Mar, Jun, Aug, Dec | 801 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Mar, Jun, Aug, Dec | 801 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Mar, Jun, Aug, Dec | 901 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Mar, Jun, Aug, Dec | 901 |
| pH | daily minimum | report only (SU) | Mar, Jun, Aug, Dec | 901 |
| pH | daily maximum | report only (SU) | Mar, Jun, Aug, Dec | 901 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 901 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 68 Chemicals and Allied Products permits in Ohio.
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