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Electric Services, major discharger, Tonawanda, New York. NPDES permit NY0001023 expired Jun 1, 2008; its limits still apply. Last 12 months: over a limit once (last January 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| January 2026 | Solids, total suspended, daily average | 36 mg/L | ≤ 30 mg/L | 20% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | daily average | report only (gal/min) | all year | 001 |
| Flow rate | daily average | report only (gal/min) | all year | 001 |
| Flow rate | daily maximum | report only (gal/min) | all year | 001 |
| Flow rate | daily maximum | report only (gal/min) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Iron, total [as Fe] | daily average | ≤ 2 mg/L | all year | 001 |
| Iron, total [as Fe] | daily average | ≤ 2 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 001 |
| Clamtrol CT-1, Total Water | daily maximum | ≤ .2 mg/L | all year | 001 |
| Clamtrol CT-1, Total Water | daily maximum | ≤ .2 mg/L | all year | 001 |
| Flow rate | daily average | report only (gal/d) | all year | 002 |
| Flow rate | daily maximum | report only (gal/d) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 96 deg F | all year | 005 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 005 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 70 deg F | all year | 005 |
| Temp. diff. between samp. & upstrm deg. F | daily maximum | ≤ 18 deg F | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Clamtrol CT-1, Total Water | daily maximum | ≤ .2 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 466 MGD | all year | 005 |
| Net rate of additionof heat | daily maximum | ≤ 5.08 GBTU/hr | all year | 005 |
| Temp. diff. between intake and discharge | daily maximum | ≤ 22 deg F | all year | 005 |
| Flow rate | daily average | report only (MGD) | all year | 007 |
| Flow rate | daily average | report only (gal/d) | all year | 007 |
| Flow rate | daily average | report only (gal/d) | all year | 007 |
| Flow rate | daily maximum | report only (MGD) | all year | 007 |
| Flow rate | daily maximum | report only (gal/d) | all year | 007 |
| Flow rate | daily maximum | report only (gal/d) | all year | 007 |
| Flow rate | monthly average | report only (gal/mo) | all year | 007 |
| Flow rate | monthly total | report only (gal/mo) | all year | 007 |
| pH | minimum | report only (SU) | all year | 007 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | report only (SU) | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Cyanide, total [as CN] | daily average | report only (mg/L) | all year | 007 |
| Cyanide, total [as CN] | daily maximum | ≤ .1 mg/L | all year | 007 |
| Cyanide, total [as CN] | daily average | report only (mg/L) | all year | 007 |
| Cyanide, total [as CN] | daily maximum | ≤ 1.1 mg/L | all year | 007 |
| Cyanide, total [as CN] | daily average | report only (mg/L) | all year | 007 |
| Cyanide, total [as CN] | daily maximum | ≤ 1.1 mg/L | all year | 007 |
| Sulfide, total [as S] | daily average | report only (mg/L) | all year | 007 |
| Sulfide, total [as S] | daily maximum | ≤ 1 mg/L | all year | 007 |
| Arsenic, total [as As] | daily average | report only (mg/L) | all year | 007 |
| Arsenic, total [as As] | daily maximum | ≤ .15 mg/L | all year | 007 |
| Cadmium, total [as Cd] | daily average | report only (mg/L) | all year | 007 |
| Cadmium, total [as Cd] | daily maximum | ≤ .2 mg/L | all year | 007 |
| Chromium, total [as Cr] | daily average | report only (mg/L) | all year | 007 |
| Chromium, total [as Cr] | daily maximum | ≤ .5 mg/L | all year | 007 |
| Chromium, total [as Cr] | daily maximum | ≤ .5 mg/L | all year | 007 |
| Copper, total [as Cu] | daily average | report only (mg/L) | all year | 007 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 007 |
| Iron, total [as Fe] | daily average | ≤ 2 mg/L | all year | 007 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 007 |
| Lead, total [as Pb] | daily average | ≤ .2 mg/L | all year | 007 |
| Lead, total [as Pb] | daily maximum | ≤ .4 mg/L | all year | 007 |
| Manganese, total [as Mn] | daily average | ≤ 1 mg/L | all year | 007 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 007 |
| Nickel, total [as Ni] | daily average | ≤ 1 mg/L | all year | 007 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | all year | 007 |
| Zinc, total [as Zn] | daily average | ≤ .5 mg/L | all year | 007 |
| Zinc, total [as Zn] | daily maximum | ≤ 1 mg/L | all year | 007 |
| Aluminum, total [as Al] | daily average | report only (mg/L) | all year | 007 |
| Aluminum, total [as Al] | daily maximum | ≤ 2 mg/L | all year | 007 |
| Selenium, total [as Se] | daily maximum | ≤ .01 mg/L | all year | 007 |
| Phenolics, total recoverable | daily average | report only (mg/L) | all year | 007 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 007 |
| Toluene | daily average | report only (ug/L) | all year | 007 |
| Toluene | daily maximum | report only (ug/L) | all year | 007 |
| Benzene | daily average | report only (ug/L) | all year | 007 |
| Benzene | daily maximum | report only (ug/L) | all year | 007 |
| Phenolic compounds, total | daily average | report only (ug/L) | all year | 007 |
| Phenolic compounds, total | daily maximum | ≤ 10 ug/L | all year | 007 |
| Mercury, total [as Hg] | daily average | report only (ng/L) | all year | 007 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 007 |
| Mercury, total [as Hg] | daily average | report only (ug/L) | all year | 007 |
| Mercury, total [as Hg] | daily maximum | ≤ 1 ug/L | all year | 007 |
| Mercury, total [as Hg] | daily maximum | ≤ 1 ug/L | all year | 007 |
| Xylene [mix of m+o+p] | daily average | report only (ug/L) | all year | 007 |
| Xylene [mix of m+o+p] | daily maximum | report only (ug/L) | all year | 007 |
| Sulfide, total | daily average | report only (mg/L) | all year | 007 |
| Sulfide, total | daily maximum | report only (mg/L) | all year | 007 |
| pH range excursions, > 60 minutes | monthly total | ≤ 0 occur/mo | all year | 007 |
| pH range excursions, monthly total accum | monthly total | ≤ 446 min | all year | 007 |
| Flow rate | monthly average | report only (gal/mo) | all year | 008 |
| Flow rate | monthly total | report only (gal/mo) | all year | 008 |
| Flow, gallons/batch | daily average | report only (gal/bat) | all year | 008 |
| Flow, gallons/batch | daily maximum | report only (gal/bat) | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | maximum | ≤ 9 SU | all year | 008 |
| pH | maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | daily average | ≤ 30 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 008 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 008 |
| Iron, total [as Fe] | daily average | ≤ 2 mg/L | all year | 008 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 008 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 008 |
| Clamtrol CT-1, Total Water | daily maximum | ≤ .2 mg/L | all year | 008 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
Cited limits by parameter: New York's rules and the federal ones.
Same industry: the 39 Electric Services permits in New York.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/NY0001023 · MCP: https://passage-data.com/mcp