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Industrial Inorganic Chemicals, major discharger, Piketon, Ohio. NPDES permit OH0006092 expired Jun 30, 2025; its limits still apply. Last 12 months: over a limit 2 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| May 2026 | 004 | Copper, total recoverable, daily maximum | 88 | ≤ 66 ug/L | 33% |
| July 2026 | 903 | Temperature, water deg. centigrade, daily maximum | 29.58 | ≤ 29.4 deg C | 1% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 001 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Silver total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Silver 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 |
| 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 |
| Rainfall | monthly average | report only (in) | all year | 001 |
| Rainfall | daily maximum | report only (in) | 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 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 001 |
| Mercury, total low level | monthly average | ≤ 12 ng/L | all year | 001 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 002 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 002 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 002 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 002 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | ≤ 8.4 ug/L | all year | 002 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ 1100 ug/L | all year | 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 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 002 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Aug, Dec | 002 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Aug, Dec | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 18 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 17.8 kg/d | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 26.6 kg/d | all year | 003 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | Feb, May, Jul, Nov | 003 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Feb, May, Jul, Nov | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Feb, May, Jul, Nov | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Feb, May, Jul, Nov | 003 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | May–Oct | 003 |
| E. coli, MTEC-MF | daily maximum | ≤ 284 MPN/100mL | May–Oct | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Mercury, total low level | monthly average | ≤ 12 ng/L | all year | 003 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | all year | 003 |
| Mercury, total low level | monthly average | ≤ .000018 kg/d | all year | 003 |
| Mercury, total low level | daily maximum | ≤ .0025 kg/d | all year | 003 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Jul | 003 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Jul | 003 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Jul | 003 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Jul | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 15 mg/L | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 14.8 kg/d | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 22.2 kg/d | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 11.2 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 12.5 mg/L | all year | 004 |
| Solids, total suspended | monthly average | ≤ 97.6 kg/d | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 109 kg/d | all year | 004 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 004 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | all year | 004 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | all year | 004 |
| Cobalt, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Cobalt, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Selenium, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Beryllium, total recoverable [as Be] | monthly average | report only (ug/L) | all year | 004 |
| Beryllium, total recoverable [as Be] | daily maximum | report only (ug/L) | all year | 004 |
| Nickel, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Silver total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Silver total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Copper, total recoverable | daily maximum | ≤ 66 ug/L | all year | 004 |
| Copper, total recoverable | daily maximum | ≤ .575 kg/d | all year | 004 |
| Vanadium, total recoverable | monthly average | report only (ug/L) | all year | 004 |
| Vanadium, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Polychlorinated biphenyls [PCBs] | monthly average | report only (ug/L) | all year | 004 |
| Polychlorinated biphenyls [PCBs] | daily maximum | report only (ug/L) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Chlorine, total residual | daily maximum | ≤ .038 mg/L | all year | 004 |
| Mercury, total low level | monthly average | ≤ 12 ng/L | all year | 004 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | all year | 004 |
| Mercury, total low level | monthly average | ≤ .000105 kg/d | all year | 004 |
| Mercury, total low level | daily maximum | ≤ .0148 kg/d | all year | 004 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Feb, May, Jul, Nov | 004 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Feb, May, Jul, Nov | 004 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Feb, May, Jul, Nov | 004 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Feb, May, Jul, Nov | 004 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | 004 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | 004 |
| pH | daily minimum | ≥ 6.5 SU | all year | 005 |
| pH | daily maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 15 mg/L | all year | 005 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 005 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Aug, Dec | 005 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Aug, Dec | 005 |
| pH | daily minimum | ≥ 6.5 SU | all year | 009 |
| pH | daily maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 009 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 009 |
| Iron, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Iron, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Thallium, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Thallium, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Barium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Barium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Trichloroethylene | monthly average | report only (ug/L) | all year | 009 |
| Trichloroethylene | daily maximum | report only (ug/L) | all year | 009 |
| Polychlorinated biphenyls [PCBs] | monthly average | report only (ug/L) | all year | 009 |
| Polychlorinated biphenyls [PCBs] | daily maximum | report only (ug/L) | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| Chlorine, total residual | monthly average | ≤ .03 mg/L | all year | 009 |
| Chlorine, total residual | daily maximum | ≤ .038 mg/L | all year | 009 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Aug, Dec | 009 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Aug, Dec | 009 |
| pH | daily minimum | ≥ 6.5 SU | all year | 010 |
| pH | daily maximum | ≤ 9 SU | all year | 010 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 010 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 010 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 010 |
| Iron, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Iron, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Thallium, total recoverable | monthly average | report only (ug/L) | all year | 010 |
| Thallium, total recoverable | daily maximum | report only (ug/L) | all year | 010 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Lead, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Lead, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 010 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 010 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 010 |
| Trichloroethylene | monthly average | report only (ug/L) | all year | 010 |
| Trichloroethylene | daily maximum | report only (ug/L) | all year | 010 |
| Polychlorinated biphenyls [PCBs] | monthly average | report only (ug/L) | all year | 010 |
| Polychlorinated biphenyls [PCBs] | daily maximum | report only (ug/L) | all year | 010 |
| Rainfall | monthly average | report only (in) | all year | 010 |
| Rainfall | daily maximum | report only (in) | all year | 010 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 010 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 010 |
| Mercury, total low level | monthly average | report only (ng/L) | Mar, Jun, Aug, Dec | 010 |
| Mercury, total low level | daily maximum | report only (ng/L) | Mar, Jun, Aug, Dec | 010 |
| pH | daily minimum | ≥ 6.5 SU | all year | 011 |
| pH | daily maximum | ≤ 9 SU | all year | 011 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 011 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 011 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 011 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 011 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 011 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 011 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 011 |
| Thallium, total recoverable | monthly average | report only (ug/L) | all year | 011 |
| Thallium, total recoverable | daily maximum | report only (ug/L) | all year | 011 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 011 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 011 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 011 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 011 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 011 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 011 |
| Trichloroethylene | monthly average | report only (ug/L) | all year | 011 |
| Trichloroethylene | daily maximum | report only (ug/L) | all year | 011 |
| Polychlorinated biphenyls [PCBs] | monthly average | report only (ug/L) | all year | 011 |
| Polychlorinated biphenyls [PCBs] | daily maximum | report only (ug/L) | all year | 011 |
| Rainfall | monthly average | report only (in) | all year | 011 |
| Rainfall | daily maximum | report only (in) | all year | 011 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 011 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 011 |
| pH | daily minimum | ≥ 6.5 SU | all year | 015 |
| pH | daily maximum | ≤ 9 SU | all year | 015 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 015 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 015 |
| Barium, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 015 |
| Barium, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 015 |
| Trichloroethylene | monthly average | ≤ 10 ug/L | all year | 015 |
| Trichloroethylene | daily maximum | ≤ 10 ug/L | all year | 015 |
| Polychlorinated biphenyls [PCBs] | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 015 |
| Polychlorinated biphenyls [PCBs] | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| pH | daily minimum | report only (SU) | all year | 602 |
| pH | daily maximum | report only (SU) | all year | 602 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 602 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 602 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 602 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 602 |
| Iron, total [as Fe] | monthly average | ≤ 3500 ug/L | all year | 602 |
| Iron, total [as Fe] | daily maximum | ≤ 7000 ug/L | all year | 602 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | all year | 602 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | all year | 602 |
| Rainfall | monthly average | report only (in) | all year | 602 |
| Rainfall | daily maximum | report only (in) | all year | 602 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 602 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 602 |
| pH | daily minimum | ≥ 6.5 SU | all year | 604 |
| pH | daily maximum | ≤ 9 SU | all year | 604 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | 604 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 604 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 604 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 604 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | all year | 604 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | all year | 604 |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | all year | 604 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 604 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 604 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 604 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 604 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 604 |
| pH | daily minimum | ≥ 6.5 SU | all year | 605 |
| pH | daily maximum | ≤ 10 SU | all year | 605 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 605 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 605 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 605 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 605 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 605 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 605 |
| Nitrogen, nitrite total [as N] | monthly average | report only (mg/L) | all year | 605 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | all year | 605 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | 605 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 605 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 605 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 605 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 605 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 605 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year | 605 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year | 605 |
| Chromium, total [as Cr] | monthly average | report only (ug/L) | all year | 605 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 605 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 605 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 605 |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | all year | 605 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 605 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 605 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 605 |
| Trichloroethylene | monthly average | report only (ug/L) | all year | 605 |
| Trichloroethylene | daily maximum | report only (ug/L) | all year | 605 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 605 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 605 |
| pH | daily minimum | report only (SU) | all year | 608 |
| pH | daily maximum | report only (SU) | all year | 608 |
| trans-1,2-Dichloroethylene | monthly average | ≤ 25 ug/L | all year | 608 |
| trans-1,2-Dichloroethylene | daily maximum | ≤ 66 ug/L | all year | 608 |
| Trichloroethylene | monthly average | ≤ 10 ug/L | all year | 608 |
| Trichloroethylene | daily maximum | ≤ 10 ug/L | all year | 608 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 608 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 608 |
| pH | daily minimum | report only (SU) | all year | 610 |
| pH | daily maximum | report only (SU) | all year | 610 |
| trans-1,2-Dichloroethylene | monthly average | ≤ 25 ug/L | all year | 610 |
| trans-1,2-Dichloroethylene | daily maximum | ≤ 66 ug/L | all year | 610 |
| Trichloroethylene | monthly average | ≤ 10 ug/L | all year | 610 |
| Trichloroethylene | daily maximum | ≤ 10 ug/L | all year | 610 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 610 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 610 |
| pH | daily minimum | report only (SU) | all year | 611 |
| pH | daily maximum | report only (SU) | all year | 611 |
| Trichloroethylene | monthly average | ≤ 10 ug/L | all year | 611 |
| Trichloroethylene | daily maximum | ≤ 10 ug/L | all year | 611 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 611 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 611 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | monthly average | report only (%) | Feb, May, Jul, Nov | 801 |
| %Effect Static Renewal 48Hr Acute Ceriodaphnia dubia | daily maximum | report only (%) | Feb, May, Jul, Nov | 801 |
| %Effect Static Renewal 96Hr Acute Pimephales promelas | monthly average | report only (%) | Feb, May, Jul, Nov | 801 |
| %Effect Static Renewal 96Hr Acute Pimephales promelas | daily maximum | report only (%) | Feb, May, Jul, Nov | 801 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 902 |
| Temperature, water deg. centigrade | monthly average | ≤ 27.8 deg C | May–Oct | 902 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 902 |
| Temperature, water deg. centigrade | daily maximum | ≤ 29.4 deg C | May–Oct | 902 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 903 |
| Temperature, water deg. centigrade | monthly average | ≤ 27.8 deg C | May–Oct | 903 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 903 |
| Temperature, water deg. centigrade | daily maximum | ≤ 29.4 deg C | May–Oct | 903 |
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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Your permit document is the final word. As JSON: /api/v1/permits/OH0006092 · MCP: https://passage-data.com/mcp