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Electrometallurgical Products, Waterford, Ohio. NPDES permit OH0007498, in force until Feb 29, 2028. Last 12 months: no values over a limit, 3 of 40 reports late. Source: EPA ECHO, Oct 22, 2026.
| 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 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 5 mg/L | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | Mar, Jun, Aug, Dec | 001 |
| pH | daily maximum | ≤ 9 SU | Mar, Jun, Aug, Dec | 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 | ≤ 3.9 kg/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 5.8 kg/d | all year | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 16 mg/L | Mar, Jun, Aug, Dec | 001 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 2.1 kg/d | Mar, Jun, Aug, Dec | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 31 ug/L | all year | 001 |
| Chromium, total [as Cr] | monthly average | report only (ug/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year | 001 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | all year | 001 |
| Manganese, total [as Mn] | 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 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 001 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 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 | ≤ .038 mg/L | all year | 001 |
| Mercury, total low level | monthly average | report only (ng/L) | Sep | 001 |
| Mercury, total low level | daily maximum | report only (ng/L) | Sep | 001 |
| Specific conductance | monthly average | report only (umho/cm) | Jun, Dec | 002 |
| Specific conductance | daily maximum | report only (umho/cm) | Jun, Dec | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | Jun, Dec | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| pH | daily minimum | ≥ 6.5 SU | Jun, Dec | 002 |
| pH | daily maximum | ≤ 9 SU | Jun, Dec | 002 |
| Residue, tot fltrble [dried at 105 C] | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Residue, tot fltrble [dried at 105 C] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jun, Dec | 002 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | Jun, Dec | 002 |
| Oil and grease [soxhlet extr.] tot. | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Jun, Dec | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Jun, Dec | 002 |
| Barium, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Barium, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Beryllium, total [as Be] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Beryllium, total [as Be] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Chromium, total [as Cr] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Aluminum, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Turbidity [severity] | monthly average | report only (severity) | Jun, Dec | 002 |
| Turbidity [severity] | daily maximum | report only (severity) | Jun, Dec | 002 |
| Phenolics, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 002 |
| Phenolics, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Jun, Dec | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Jun, Dec | 002 |
| Sludge waste from secondary clarifiers | monthly average | report only (gal) | Dec | 588 |
| Sludge waste from secondary clarifiers | daily maximum | report only (gal) | Dec | 588 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 601 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 601 |
| Solids, total suspended | monthly average | ≤ 1.6 kg/d | all year | 601 |
| Solids, total suspended | daily maximum | ≤ 2.4 kg/d | all year | 601 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 601 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 601 |
| Turbidity [severity] | monthly average | report only (severity) | all year | 601 |
| Turbidity [severity] | daily maximum | report only (severity) | all year | 601 |
| E. coli, MTEC-MF | monthly geometric mean | ≤ 126 MPN/100mL | May–Oct | 601 |
| E. coli, MTEC-MF | daily maximum | ≤ 284 MPN/100mL | May–Oct | 601 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 601 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 601 |
| Chlorine, total residual | daily maximum | ≤ .5 mg/L | all year | 601 |
| Chlorine, total residual | daily maximum | ≤ .027 kg/d | all year | 601 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 601 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 40 mg/L | all year | 601 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 1.3 kg/d | all year | 601 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 2.1 kg/d | all year | 601 |
| Flow rate | monthly average | report only (gal/d) | all year | 602 |
| Flow rate | daily maximum | report only (gal/d) | all year | 602 |
| pH | daily minimum | report only (SU) | all year | 602 |
| pH | daily maximum | report only (SU) | all year | 602 |
| Residue, tot fltrble [dried at 105 C] | monthly average | report only (mg/L) | all year | 602 |
| Residue, tot fltrble [dried at 105 C] | daily maximum | report only (mg/L) | all year | 602 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 602 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 602 |
| Specific conductance | monthly average | report only (umho/cm) | Jun, Dec | 801 |
| Specific conductance | daily maximum | report only (umho/cm) | Jun, Dec | 801 |
| pH | daily minimum | report only (SU) | Jun, Dec | 801 |
| pH | daily maximum | report only (SU) | Jun, Dec | 801 |
| Solids, total suspended | monthly average | report only (mg/L) | Jun, Dec | 801 |
| Solids, total suspended | daily maximum | report only (mg/L) | Jun, Dec | 801 |
| Oil and grease [soxhlet extr.] tot. | monthly average | report only (mg/L) | Jun, Dec | 801 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | Jun, Dec | 801 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 801 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 801 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 801 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 801 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Jun, Dec | 801 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Jun, Dec | 801 |
| Barium, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Barium, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Beryllium, total [as Be] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Beryllium, total [as Be] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Chromium, total [as Cr] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | Jun, Dec | 801 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | Jun, Dec | 801 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Jun, Dec | 801 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Jun, Dec | 801 |
| Specific conductance | monthly average | report only (umho/cm) | Jun, Dec | 901 |
| Specific conductance | daily maximum | report only (umho/cm) | Jun, Dec | 901 |
| pH | daily minimum | report only (SU) | Jun, Dec | 901 |
| pH | daily maximum | report only (SU) | Jun, Dec | 901 |
| Solids, total suspended | monthly average | report only (mg/L) | Jun, Dec | 901 |
| Solids, total suspended | daily maximum | report only (mg/L) | Jun, Dec | 901 |
| Oil and grease [soxhlet extr.] tot. | monthly average | report only (mg/L) | Jun, Dec | 901 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | report only (mg/L) | Jun, Dec | 901 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun, Dec | 901 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun, Dec | 901 |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jun, Dec | 901 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jun, Dec | 901 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Jun, Dec | 901 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Jun, Dec | 901 |
| Barium, total recoverable | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Barium, total recoverable | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Beryllium, total [as Be] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Beryllium, total [as Be] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Chromium, total [as Cr] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Iron, total [as Fe] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Manganese, total [as Mn] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Manganese, total [as Mn] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | Jun, Dec | 901 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | Jun, Dec | 901 |
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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