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Electric Services, major discharger, Eastlake, Ohio. NPDES permit OH0001139 expired Aug 31, 2026; its limits still apply. Last 12 months: over a limit 3 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | Oil and grease, hexane extr method, daily maximum | 41 | ≤ 20 mg/L | 105% |
| May 2026 | Oil and grease, hexane extr method, monthly average | 41 | ≤ 15 mg/L | 173% |
| May 2026 | Solids, total suspended, monthly average | 89 | ≤ 30 mg/L | 197% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 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 |
| 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 |
| Chlorination duration | daily maximum | report only (min) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/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 |
| Mercury, total low level | monthly average | report only (ng/L) | all year | 002 |
| Mercury, total low level | daily maximum | report only (ng/L) | all year | 002 |
| pH Range Excursion, Maximum Duration | daily maximum | report only (min) | all year | 002 |
| pH, maximum | daily maximum | report only (SU) | all year | 002 |
| pH, minimum | daily minimum | report only (SU) | all year | 002 |
| pH range excursions, > 60 minutes | daily maximum | report only (occur/d) | all year | 002 |
| pH range excursions, monthly total accum | daily maximum | ≤ 446 min | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 169 kg/d | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 757 kg/d | all year | 003 |
| Oil and grease, hexane extr method | monthly average | ≤ 15 mg/L | all year | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 20 mg/L | all year | 003 |
| Oil and grease, hexane extr method | monthly average | ≤ 84 kg/d | all year | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 151 kg/d | 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 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 003 |
| Mercury, total low level | monthly average | ≤ 3.5 ng/L | all year | 003 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | all year | 003 |
| Mercury, total low level | monthly average | ≤ .00002 kg/d | all year | 003 |
| Mercury, total low level | daily maximum | ≤ .0096 kg/d | all year | 003 |
| pH Range Excursion, Maximum Duration | daily maximum | report only (min) | all year | 003 |
| pH, maximum | daily maximum | ≤ 9 SU | all year | 003 |
| pH, minimum | daily minimum | ≥ 6 SU | all year | 003 |
| Chlorination duration | monthly average | report only (min) | all year | 003 |
| Chlorination duration | daily maximum | report only (min) | all year | 003 |
| pH range excursions, > 60 minutes | daily maximum | report only (occur/d) | all year | 003 |
| pH range excursions, monthly total accum | daily maximum | ≤ 446 min | all year | 003 |
| pH | daily minimum | report only (SU) | Mar, Jun, Aug, Dec | 004 |
| pH | daily maximum | report only (SU) | Mar, Jun, Aug, Dec | 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 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 004 |
| Nickel, total recoverable | daily maximum | report only (ug/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) | Mar, Jun, Aug, Dec | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Mar, Jun, Aug, Dec | 004 |
| Duration of discharge | monthly average | report only (hr) | Mar, Jun, Aug, Dec | 004 |
| Duration of discharge | daily maximum | report only (hr) | Mar, Jun, Aug, Dec | 004 |
| pH | daily minimum | report only (SU) | Mar, Jun, Aug, Dec | 006 |
| pH | daily maximum | report only (SU) | Mar, Jun, Aug, Dec | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 006 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 006 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 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) | Mar, Jun, Aug, Dec | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Mar, Jun, Aug, Dec | 006 |
| Duration of discharge | monthly average | report only (hr) | Mar, Jun, Aug, Dec | 006 |
| Duration of discharge | daily maximum | report only (hr) | Mar, Jun, Aug, Dec | 006 |
| pH | daily minimum | report only (SU) | Mar, Jun, Aug, Dec | 009 |
| pH | daily maximum | report only (SU) | Mar, Jun, Aug, Dec | 009 |
| Solids, total suspended | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 009 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Nickel, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Mar, Jun, Aug, Dec | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Mar, Jun, Aug, Dec | 009 |
| Duration of discharge | monthly average | report only (hr) | Mar, Jun, Aug, Dec | 009 |
| Duration of discharge | daily maximum | report only (hr) | Mar, Jun, Aug, Dec | 009 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 800 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 800 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 800 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 800 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Jun, Aug, Dec | 800 |
| Copper, total recoverable | daily maximum | report only (ug/L) | Mar, Jun, Aug, Dec | 800 |
| Mercury, total low level | monthly average | report only (ng/L) | all year | 800 |
| Mercury, total low level | daily maximum | report only (ng/L) | all year | 800 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 31 Electric Services permits in Ohio.
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