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Water Supply, Prospect, New York. NPDES permit NY0218481, in force until Aug 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Jun–Sep |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year |
| Solids, settleable | daily maximum | ≤ .1 mL/L | all year |
| Fluoride, total [as F] | daily maximum | ≤ 2.7 mg/L | all year |
| Aluminum, dissolved [as Al] | daily maximum | ≤ .172 mg/L | all year |
| Aluminum, dissolved [as Al] | daily maximum | ≤ 2 lb/d | all year |
| Aluminum, dissolved [as Al] | daily maximum | ≤ 2.6 lb/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | ≤ .03 mg/L | all year |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ .3 tox acute | all year |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 1.7 tox chronic (alert, not enforceable) | all year |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ .3 tox acute (alert, not enforceable) | all year |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1.7 tox chronic | all year |
Cited limits by parameter: New York's rules and the federal ones.
Same industry: the 53 Water Supply 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/NY0218481 · MCP: https://passage-data.com/mcp