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Sewerage Systems, Somers, New York. NPDES permit NY0026891, in force until Jun 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 70 deg F (alert, not enforceable) | May–Sep |
| Turbidity | instantaneous maximum | ≤ 5 NTU | all year |
| Oxygen, dissolved [DO] | daily minimum | ≥ 7 mg/L | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | daily maximum | ≤ 5 mg/L | all year |
| Solids, settleable | daily maximum | ≤ .1 mL/L | all year |
| Phosphorus, total [as P] | monthly average | ≤ .2 mg/L | all year |
| Nitrogen, ammonia, total [as NH3] | daily maximum | ≤ 1.1 mg/L | Jun–Oct |
| Nitrogen, ammonia, total [as NH3] | daily maximum | ≤ 2 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .702 MGD | all year |
| Chlorine, total residual | daily maximum | ≤ .1 mg/L | all year |
| Chlorine, total residual | minimum | ≥ .2 mg/L | all year |
| Turbidity, time above limit | maximum | ≤ 2160 min | all year |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 5 mg/L | all year |
Cited limits by parameter: New York's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/NY0026891 · MCP: https://passage-data.com/mcp