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Nonferrous Rolling And Drawing, major discharger, Toronto, Ohio. NPDES permit OH0010910, in force until May 31, 2029. Last 12 months: over a limit once (last February 2026), 20 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| February 2026 | pH, daily minimum | 5.13 | ≥ 6.5 SU |
| 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 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 001 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 001 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 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 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Copper, total recoverable | 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 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 002 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 002 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Copper, total recoverable | daily maximum | report only (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 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 003 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 003 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 003 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 003 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 003 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 003 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 003 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 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 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 004 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 004 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 004 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 004 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 004 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | all year | 004 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 004 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 004 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 004 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 004 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 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 |
| 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 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 006 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 006 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 006 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 006 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 006 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 006 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 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 |
| Solids, total suspended | monthly average | ≤ 52.17 kg/d | all year | 602 |
| Solids, total suspended | daily maximum | ≤ 109.41 kg/d | all year | 602 |
| Oil and grease, hexane extr method | monthly average | ≤ 31.91 kg/d | all year | 602 |
| Oil and grease, hexane extr method | daily maximum | ≤ 53.3 kg/d | all year | 602 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 43.55 kg/d | all year | 602 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 99.14 kg/d | all year | 602 |
| Cyanide, total [as CN] | monthly average | ≤ .19 kg/d | all year | 602 |
| Cyanide, total [as CN] | daily maximum | ≤ .22 kg/d | all year | 602 |
| Fluoride, total [as F] | monthly average | ≤ 19.63 kg/d | all year | 602 |
| Fluoride, total [as F] | daily maximum | ≤ 44.35 kg/d | all year | 602 |
| Lead, total [as Pb] | monthly average | ≤ .15 kg/d | all year | 602 |
| Lead, total [as Pb] | daily maximum | ≤ .3 kg/d | all year | 602 |
| Zinc, total [as Zn] | monthly average | ≤ .68 kg/d | all year | 602 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.09 kg/d | 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 Range Excursion, Maximum Duration | daily maximum | ≤ 60 min | all year | 602 |
| pH, maximum | daily maximum | report only (SU) | all year | 602 |
| pH, minimum | daily minimum | report only (SU) | all year | 602 |
| pH range excursions, > 60 minutes | daily maximum | ≤ 0 occur/d | all year | 602 |
| pH range excursions, monthly total accum | daily maximum | ≤ 446 min | all year | 602 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 620 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 620 |
| Solids, total suspended | monthly average | ≤ 45.57 kg/d | all year | 620 |
| Solids, total suspended | daily maximum | ≤ 95.92 kg/d | all year | 620 |
| Oil and grease [soxhlet extr.] tot. | monthly average | ≤ 28.06 kg/d | all year | 620 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 46.69 kg/d | all year | 620 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 42.31 kg/d | all year | 620 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 96.22 kg/d | all year | 620 |
| Cyanide, total [as CN] | monthly average | ≤ .09 kg/d | all year | 620 |
| Cyanide, total [as CN] | daily maximum | ≤ .21 kg/d | all year | 620 |
| Fluoride, total [as F] | monthly average | ≤ 19.07 kg/d | all year | 620 |
| Fluoride, total [as F] | daily maximum | ≤ 43.03 kg/d | all year | 620 |
| Chromium, total [as Cr] | monthly average | ≤ .008 kg/d | all year | 620 |
| Chromium, total [as Cr] | daily maximum | ≤ .01 kg/d | all year | 620 |
| Lead, total [as Pb] | monthly average | ≤ .142 kg/d | all year | 620 |
| Lead, total [as Pb] | daily maximum | ≤ .3 kg/d | all year | 620 |
| Nickel, total [as Ni] | monthly average | ≤ .02 kg/d | all year | 620 |
| Nickel, total [as Ni] | daily maximum | ≤ .02 kg/d | all year | 620 |
| Zinc, total [as Zn] | monthly average | ≤ .43 kg/d | all year | 620 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.04 kg/d | all year | 620 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 620 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 620 |
| pH Range Excursion, Maximum Duration | daily maximum | ≤ 60 min | all year | 620 |
| pH, maximum | daily maximum | report only (SU) | all year | 620 |
| pH, minimum | daily minimum | report only (SU) | all year | 620 |
| pH range excursions, > 60 minutes | daily maximum | ≤ 0 occur/d | all year | 620 |
| pH range excursions, monthly total accum | daily maximum | ≤ 446 min | all year | 620 |
| Parameter | New limit | From | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|---|
| Chlorine, total residual, daily maximum outfall 001 | 0.038 mg/L | Jun 1, 2027 | new | 0.47 mg/L (3 values) | 12.4× |
| Chlorine, total residual, daily maximum outfall 001 | 0.038 mg/L | Jun 1, 2028 | new | 0.47 mg/L (3 values) | 12.4× |
| Copper, total recoverable, daily maximum outfall 001 | 54 ug/L | Jun 1, 2028 | new | — | — |
| Copper, total recoverable, daily maximum outfall 002 | 54 ug/L | Jun 1, 2028 | new | — | — |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 56 Primary Metal Industries permits in Ohio.
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