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Gray And Ductile Iron Foundries, Hubbard, Ohio. NPDES permit OH0011801, in force until Oct 31, 2029. Last 12 months: over a limit 6 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 008 | Nitrogen, ammonia total [as N], monthly average | .161 | ≤ .11 kg/d | 46% |
| October 2025 | 008 | Nitrogen, ammonia total [as N], monthly average | .472 | ≤ .4 mg/L | 18% |
| October 2025 | 008 | Oxygen demand, chem. [high level] [COD], monthly average | 24.9 | ≤ 20 kg/d | 25% |
| June 2026 | 004 | E. coli, MTEC-MF, monthly geometric mean | 220 | ≤ 126 MPN/100mL | 75% |
| June 2026 | 004 | E. coli, MTEC-MF, weekly geometric mean | 50000 | ≤ 284 MPN/100mL | 17506% |
| June 2026 | 004 | Solids, total suspended, weekly maximum | 27 | ≤ 18 mg/L | 50% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (gal/d) | all year | 004 |
| Flow rate | daily maximum | report only (gal/d) | all year | 004 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | Mar, Jun, Sep, Dec | 004 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Sep, Dec | 004 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Sep, Dec | 004 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | Mar, Jun, Sep, Dec | 004 |
| Solids, total suspended | weekly maximum | ≤ 18 mg/L | Mar, Jun, Sep, Dec | 004 |
| Solids, total suspended | monthly average | ≤ .23 kg/d | Mar, Jun, Sep, Dec | 004 |
| Solids, total suspended | weekly maximum | ≤ .34 kg/d | Mar, Jun, Sep, Dec | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Mar, Jun, Sep, Dec | 004 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ 3 mg/L | Mar, Jun, Sep, Dec | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .038 kg/d | Mar, Jun, Sep, Dec | 004 |
| Nitrogen, ammonia total [as N] | weekly maximum | ≤ .057 kg/d | Mar, Jun, Sep, Dec | 004 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 004 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 004 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | Jun, Sep | 004 |
| E. coli, MTEC-MF | weekly geometric mean | ≤ 284 MPN/100mL | Jun, Sep | 004 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Mar, Jun, Sep, Dec | 004 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ 15 mg/L | Mar, Jun, Sep, Dec | 004 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ .19 kg/d | Mar, Jun, Sep, Dec | 004 |
| BOD, carbonaceous [5 day, 20 C] | weekly maximum | ≤ .28 kg/d | Mar, Jun, Sep, Dec | 004 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 005 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 005 |
| pH | daily minimum | report only (SU) | all year | 005 |
| pH | daily maximum | report only (SU) | all year | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 005 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Barium, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Barium, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Lead, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 005 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 005 |
| Rainfall | monthly average | report only (in) | all year | 005 |
| Rainfall | daily maximum | report only (in) | all year | 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 |
| Cyanide, free available | monthly average | report only (ug/L) | all year | 005 |
| Cyanide, free available | daily maximum | report only (ug/L) | all year | 005 |
| 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 | report only (SU) | all year | 006 |
| pH | daily maximum | report only (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 | daily maximum | report only (mg/L) | all year | 006 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Barium, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Barium, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Lead, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 006 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 006 |
| Rainfall | monthly average | report only (in) | all year | 006 |
| Rainfall | daily maximum | report only (in) | 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 |
| Cyanide, free available | monthly average | report only (ug/L) | all year | 006 |
| Cyanide, free available | daily maximum | report only (ug/L) | 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 | report only (SU) | all year | 007 |
| pH | daily maximum | report only (SU) | all year | 007 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 007 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Barium, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Barium, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Lead, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Chromium, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 007 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Rainfall | monthly average | report only (in) | all year | 007 |
| Rainfall | daily maximum | report only (in) | all year | 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 |
| Cyanide, free available | monthly average | report only (ug/L) | all year | 007 |
| Cyanide, free available | daily maximum | report only (ug/L) | all year | 007 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 75 mg/L | all year | 008 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 120 mg/L | all year | 008 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 20 kg/d | all year | 008 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 32 kg/d | all year | 008 |
| pH | daily minimum | ≥ 7 SU | all year | 008 |
| pH | daily maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 15 mg/L | all year | 008 |
| Solids, total suspended | monthly average | ≤ 2.6 kg/d | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 4 kg/d | all year | 008 |
| Oil and grease, hexane extr method | monthly average | ≤ 6.67 mg/L | all year | 008 |
| Oil and grease, hexane extr method | daily maximum | ≤ 10 mg/L | all year | 008 |
| Oil and grease, hexane extr method | monthly average | ≤ 4.3 kg/d | all year | 008 |
| Oil and grease, hexane extr method | daily maximum | ≤ 4.3 kg/d | all year | 008 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .4 mg/L | all year | 008 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2 mg/L | all year | 008 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .11 kg/d | all year | 008 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .53 kg/d | all year | 008 |
| Iron, total recoverable | monthly average | ≤ 1000 ug/L | all year | 008 |
| Iron, total recoverable | daily maximum | ≤ 1500 ug/L | all year | 008 |
| Iron, total recoverable | monthly average | ≤ .26 kg/d | all year | 008 |
| Iron, total recoverable | daily maximum | ≤ .4 kg/d | all year | 008 |
| Zinc, total recoverable | monthly average | ≤ 180 ug/L | all year | 008 |
| Zinc, total recoverable | daily maximum | ≤ 250 ug/L | all year | 008 |
| Zinc, total recoverable | monthly average | ≤ .048 kg/d | all year | 008 |
| Zinc, total recoverable | daily maximum | ≤ .066 kg/d | all year | 008 |
| Aluminum, total recoverable | monthly average | ≤ 1330 ug/L | all year | 008 |
| Aluminum, total recoverable | daily maximum | ≤ 2000 ug/L | all year | 008 |
| Aluminum, total recoverable | monthly average | ≤ .35 kg/d | all year | 008 |
| Aluminum, total recoverable | daily maximum | ≤ .53 kg/d | all year | 008 |
| Lead, total recoverable | monthly average | ≤ 10 ug/L | all year | 008 |
| Lead, total recoverable | daily maximum | ≤ 15 ug/L | all year | 008 |
| Lead, total recoverable | monthly average | ≤ .0026 kg/d | all year | 008 |
| Lead, total recoverable | daily maximum | ≤ .004 kg/d | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | all year | 008 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 25 mg/L | all year | 008 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 4 kg/d | all year | 008 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 6.6 kg/d | all year | 008 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 009 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 009 |
| pH | daily minimum | report only (SU) | all year | 009 |
| pH | daily maximum | report only (SU) | all year | 009 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 009 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 009 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Iron, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Barium, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Barium, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Lead, total recoverable | monthly average | report only (ug/L) | all year | 009 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 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) | all year | 009 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 009 |
| Rainfall | monthly average | report only (in) | all year | 009 |
| Rainfall | daily maximum | report only (in) | 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 |
| Cyanide, free available | monthly average | report only (ug/L) | all year | 009 |
| Cyanide, free available | daily maximum | report only (ug/L) | all year | 009 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
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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