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Water Supply, West Nyack, New York. NPDES permit NY0248258, in force until May 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (MGD) | all year | 001 |
| Flow rate | daily maximum | report only (MGD) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Chloroform | monthly average | report only (mg/L) | all year | 001 |
| Chloroform | daily maximum | report only (mg/L) | all year | 001 |
| Chloroform | monthly average | report only (lb/d) | all year | 001 |
| Chloroform | daily maximum | ≤ .6 lb/d | all year | 001 |
| Trichlorofluoromethane | monthly average | report only (mg/L) | all year | 001 |
| Trichlorofluoromethane | daily maximum | report only (mg/L) | all year | 001 |
| Trichlorofluoromethane | monthly average | report only (lb/d) | all year | 001 |
| Trichlorofluoromethane | daily maximum | ≤ .33 lb/d | all year | 001 |
| Dichlorodifluoromethane | monthly average | report only (mg/L) | all year | 001 |
| Dichlorodifluoromethane | daily maximum | report only (mg/L) | all year | 001 |
| Dichlorodifluoromethane | monthly average | report only (lb/d) | all year | 001 |
| Dichlorodifluoromethane | daily maximum | ≤ .4 lb/d | all year | 001 |
| Tetrachloroethylene | daily average | report only (mg/L) | all year | 001 |
| Tetrachloroethylene | daily maximum | ≤ .0039 mg/L | all year | 001 |
| Tetrachloroethylene | monthly average | report only (lb/d) | all year | 001 |
| Tetrachloroethylene | daily maximum | ≤ .047 lb/d | all year | 001 |
| Flow rate | monthly average | report only (MGD) | all year | 002 |
| Flow rate | daily maximum | report only (MGD) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 002 |
| Chromium, total [as Cr] | daily maximum | ≤ .08 lb/d (alert, not enforceable) | all year | 002 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ .004 mg/L | all year | 002 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 002 |
| Lead, total [as Pb] | daily maximum | ≤ .048 lb/d | all year | 002 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.25 lb/d | all year | 002 |
| Chloroform | monthly average | report only (mg/L) | all year | 002 |
| Chloroform | daily maximum | report only (mg/L) | all year | 002 |
| Chloroform | monthly average | report only (lb/d) | all year | 002 |
| Chloroform | daily maximum | ≤ .6 lb/d | all year | 002 |
| Trichlorofluoromethane | monthly average | report only (mg/L) | all year | 002 |
| Trichlorofluoromethane | daily maximum | report only (mg/L) | all year | 002 |
| Trichlorofluoromethane | monthly average | report only (lb/d) | all year | 002 |
| Trichlorofluoromethane | daily maximum | ≤ .33 lb/d | all year | 002 |
| 1,1,1-Trichloroethane | monthly average | report only (mg/L) | all year | 002 |
| 1,1,1-Trichloroethane | daily maximum | ≤ .012 mg/L | all year | 002 |
| 1,1,1-Trichloroethane | monthly average | report only (lb/d) | all year | 002 |
| 1,1,1-Trichloroethane | daily maximum | ≤ .144 lb/d | all year | 002 |
| 1,1,2,2-Tetrachloroethane | monthly average | report only (mg/L) | all year | 002 |
| 1,1,2,2-Tetrachloroethane | daily maximum | ≤ .0011 mg/L | all year | 002 |
| 1,1,2,2-Tetrachloroethane | monthly average | report only (lb/d) | all year | 002 |
| 1,1,2,2-Tetrachloroethane | daily maximum | ≤ .0133 lb/d | all year | 002 |
| Dichlorodifluoromethane | monthly average | report only (mg/L) | all year | 002 |
| Dichlorodifluoromethane | daily maximum | report only (mg/L) | all year | 002 |
| Dichlorodifluoromethane | monthly average | report only (lb/d) | all year | 002 |
| Dichlorodifluoromethane | daily maximum | ≤ .4 lb/d | all year | 002 |
| Flow rate | monthly average | report only (MGD) | all year | 003 |
| Flow rate | daily maximum | report only (MGD) | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ .004 mg/L | all year | 003 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ .076 lb/d | all year | 003 |
| Chloroform | monthly average | report only (mg/L) | all year | 003 |
| Chloroform | daily maximum | report only (mg/L) | all year | 003 |
| Chloroform | monthly average | report only (lb/d) | all year | 003 |
| Chloroform | daily maximum | ≤ .6 lb/d | all year | 003 |
| Trichlorofluoromethane | monthly average | report only (mg/L) | all year | 003 |
| Trichlorofluoromethane | daily maximum | report only (mg/L) | all year | 003 |
| Trichlorofluoromethane | monthly average | report only (lb/d) | all year | 003 |
| Trichlorofluoromethane | daily maximum | ≤ .33 lb/d | all year | 003 |
| 1,1-Dichloroethane | daily maximum | report only (mg/L) (alert, not enforceable) | all year | 003 |
| 1,1-Dichloroethane | daily maximum | ≤ .1 lb/d (alert, not enforceable) | all year | 003 |
| 1,1-Dichloroethylene | monthly average | report only (mg/L) | all year | 003 |
| 1,1-Dichloroethylene | daily maximum | ≤ .0005 mg/L | all year | 003 |
| 1,1-Dichloroethylene | monthly average | report only (lb/d) | all year | 003 |
| 1,1-Dichloroethylene | daily maximum | ≤ .0083 lb/d | all year | 003 |
| 1,1,1-Trichloroethane | monthly average | report only (mg/L) | all year | 003 |
| 1,1,1-Trichloroethane | daily maximum | ≤ .012 mg/L | all year | 003 |
| 1,1,1-Trichloroethane | monthly average | report only (lb/d) | all year | 003 |
| 1,1,1-Trichloroethane | daily maximum | ≤ .2 lb/d | all year | 003 |
| Dichlorodifluoromethane | monthly average | report only (mg/L) | all year | 003 |
| Dichlorodifluoromethane | daily maximum | report only (mg/L) | all year | 003 |
| Dichlorodifluoromethane | monthly average | report only (lb/d) | all year | 003 |
| Dichlorodifluoromethane | daily maximum | ≤ .6 lb/d | all year | 003 |
| Flow rate | monthly average | report only (MGD) | all year | 004 |
| Flow rate | daily maximum | report only (MGD) | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Chloroform | monthly average | report only (mg/L) | all year | 004 |
| Chloroform | daily maximum | report only (mg/L) | all year | 004 |
| Chloroform | monthly average | report only (lb/d) | all year | 004 |
| Chloroform | daily maximum | ≤ .6 lb/d | all year | 004 |
| Trichlorofluoromethane | monthly average | report only (mg/L) | all year | 004 |
| Trichlorofluoromethane | daily maximum | report only (mg/L) | all year | 004 |
| Trichlorofluoromethane | monthly average | report only (lb/d) | all year | 004 |
| Trichlorofluoromethane | daily maximum | ≤ .33 lb/d | all year | 004 |
| Dichlorodifluoromethane | monthly average | report only (mg/L) | all year | 004 |
| Dichlorodifluoromethane | daily maximum | report only (mg/L) | all year | 004 |
| Dichlorodifluoromethane | monthly average | report only (lb/d) | all year | 004 |
| Dichlorodifluoromethane | daily maximum | ≤ .6 lb/d | all year | 004 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | SUM |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | SUM |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | SUM |
| Copper, total [as Cu] | daily maximum | ≤ .4 lb/d | all year | SUM |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | SUM |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | SUM |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | SUM |
| Aluminum, total [as Al] | daily maximum | ≤ 5.7 lb/d | all year | SUM |
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/NY0248258 · MCP: https://passage-data.com/mcp