Passage Data · Check a report · Use it from your AI
Water Supply, Ithaca, New York. NPDES permit NY0034657, in force until Mar 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 5 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly maximum | report only (mg/L) | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| Solids, total suspended | 7-day average | ≤ 40 mg/L | all year |
| Solids, total suspended | 30-day average | ≤ 20 mg/L | all year |
| Solids, settleable | monthly maximum | ≤ .1 mL/L | all year |
| Phosphorus, total [as P] | monthly maximum | report only (mg/L) | all year |
| Copper, total [as Cu] | monthly maximum | report only (mg/L) | all year |
| Copper, total [as Cu] | monthly maximum | report only (mg/L) | all year |
| Manganese, total [as Mn] | monthly maximum | ≤ .43 mg/L | all year |
| Nitrogen, ammonia, total [as NH3] | monthly maximum | ≤ .45 mg/L | May–Oct |
| Nitrogen, ammonia, total [as NH3] | monthly maximum | ≤ .63 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow, in conduit or thru treatment plant | monthly maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly maximum | ≤ .02 mg/L | all year |
Cited limits by parameter: New York's rules and the federal ones.
Same industry: the 53 Water Supply permits in New York.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/NY0034657 · MCP: https://passage-data.com/mcp