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Inorganic Pigments, major discharger, Ashtabula, Ohio. NPDES permit OH0000523 expired Aug 31, 2024; its limits still apply. Last 12 months: over a limit 5 times (last July 2026), 8 of 103 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| December 2025 | 621 | Solids, total suspended, daily maximum | 62 | ≤ 45 mg/L | 38% |
| January 2026 | 023 | pH range excursions, monthly total accum, daily maximum | 1273 | ≤ 446 min | 185% |
| February 2026 | 023 | pH range excursions, monthly total accum, daily maximum | 660 | ≤ 446 min | 48% |
| June 2026 | 098 | Oxidants, total residual, daily maximum | .05 | ≤ .026 mg/L | 92% |
| July 2026 | 098 | Oxidants, total residual, daily maximum | .05 | ≤ .026 mg/L | 92% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Solids, total suspended | monthly average | report only (mg/L) | all year | 013 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 013 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 013 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 013 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Barium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Barium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 013 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 013 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 013 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 013 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | May–Oct | 013 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | May–Oct | 013 |
| Oxidants, total residual | monthly average | report only (mg/L) | all year | 013 |
| Oxidants, total residual | daily maximum | report only (mg/L) | all year | 013 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 013 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 013 |
| Mercury, total low level | monthly average | report only (ng/L) | all year | 013 |
| Mercury, total low level | daily maximum | report only (ng/L) | all year | 013 |
| pH Range Excursion, Maximum Duration | daily maximum | report only (min) | all year | 013 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Jun, Oct | 013 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Jun, Oct | 013 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Jun, Oct | 013 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Jun, Oct | 013 |
| pH, maximum | daily maximum | report only (SU) | all year | 013 |
| pH, minimum | daily minimum | report only (SU) | all year | 013 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 013 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 013 |
| pH range excursions, monthly total accum | daily maximum | ≤ 446 min | all year | 013 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 017 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 017 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 018 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 018 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 023 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 023 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 023 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 023 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Barium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Barium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 023 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 023 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 023 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 023 |
| E. coli, MTEC-MF | monthly geometric mean | report only (MPN/100mL) | May–Oct | 023 |
| E. coli, MTEC-MF | daily maximum | report only (MPN/100mL) | May–Oct | 023 |
| Oxidants, total residual | monthly average | report only (mg/L) | all year | 023 |
| Oxidants, total residual | daily maximum | report only (mg/L) | all year | 023 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 023 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 023 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 023 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 023 |
| Mercury, total low level | monthly average | report only (ng/L) | all year | 023 |
| Mercury, total low level | daily maximum | report only (ng/L) | all year | 023 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Jun, Oct | 023 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Jun, Oct | 023 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Jun, Oct | 023 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Jun, Oct | 023 |
| pH, maximum | daily maximum | report only (SU) | all year | 023 |
| pH, minimum | daily minimum | report only (SU) | all year | 023 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 023 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 023 |
| pH range excursions, monthly total accum | daily maximum | ≤ 446 min | all year | 023 |
| Flow rate | monthly average | report only (gal/d) | all year | 024 |
| Flow rate | daily maximum | report only (gal/d) | all year | 024 |
| pH | daily minimum | report only (SU) | all year | 024 |
| pH | daily maximum | report only (SU) | all year | 024 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 024 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 024 |
| Oxidants, total residual | monthly average | report only (mg/L) | all year | 024 |
| Oxidants, total residual | daily maximum | report only (mg/L) | all year | 024 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 024 |
| Solids, total suspended | monthly average | ≤ 25 mg/L | all year | 098 |
| Solids, total suspended | daily maximum | ≤ 62 mg/L | all year | 098 |
| Solids, total suspended | monthly average | ≤ 948 kg/d | all year | 098 |
| Solids, total suspended | daily maximum | ≤ 2350 kg/d | all year | 098 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Mar, Jun, Sep, Dec | 098 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 098 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Barium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Barium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Chromium, total recoverable | monthly average | ≤ 414 ug/L | all year | 098 |
| Chromium, total recoverable | daily maximum | ≤ 772 ug/L | all year | 098 |
| Chromium, total recoverable | monthly average | ≤ 15.7 kg/d | all year | 098 |
| Chromium, total recoverable | daily maximum | ≤ 29.2 kg/d | all year | 098 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 098 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 098 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | May–Oct | 098 |
| Oxidants, total residual | daily maximum | ≤ .026 mg/L | all year | 098 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | Mar, Jun, Sep, Dec | 098 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 098 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 098 |
| Chlorine, total residual | monthly average | ≤ .163 mg/L | all year | 098 |
| Chlorine, total residual | daily maximum | ≤ .21 mg/L | all year | 098 |
| Mercury, total low level | monthly average | ≤ 8 ng/L | all year | 098 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | all year | 098 |
| Mercury, total low level | monthly average | ≤ .000303 kg/d | all year | 098 |
| Mercury, total low level | daily maximum | ≤ .0643 kg/d | all year | 098 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 21 tox acute | Jun, Oct | 098 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Jun, Oct | 098 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Jun, Oct | 098 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 17510 mg/L | all year | 098 |
| Solids, total dissolved- 180 deg. C | monthly average | ≤ 549221 kg/d | all year | 098 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
| Flow rate | monthly average | report only (gal/d) | all year | 611 |
| Flow rate | daily maximum | report only (gal/d) | all year | 611 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 611 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 611 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 611 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 611 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 611 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 40 mg/L | all year | 611 |
| Flow rate | monthly average | report only (gal/d) | all year | 621 |
| Flow rate | daily maximum | report only (gal/d) | all year | 621 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 621 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 621 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 621 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 621 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 621 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 40 mg/L | all year | 621 |
| Flow rate | monthly average | report only (gal/d) | all year | 622 |
| Flow rate | daily maximum | report only (gal/d) | all year | 622 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 622 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 622 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 622 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 622 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 622 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 40 mg/L | all year | 622 |
| pH | daily minimum | report only (SU) | all year | 623 |
| pH | daily maximum | report only (SU) | all year | 623 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 623 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 623 |
| Trichloroethylene | monthly average | report only (ug/L) | all year | 623 |
| Trichloroethylene | daily maximum | report only (ug/L) | all year | 623 |
| Polychlorinated biphenyls [PCBs] | monthly average | ≤ .0028 ug/L | all year | 623 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 623 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 623 |
| cis-1,2-Dichloroethylene | monthly average | report only (ug/L) | all year | 623 |
| cis-1,2-Dichloroethylene | daily maximum | report only (ug/L) | all year | 623 |
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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