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Watervliet (C)

Water Supply, Watervliet, New York. NPDES permit NY0100153, in force until Dec 31, 2030. Last 12 months: over a limit 3 times (last September 2026), 8 required values missing, 6 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A monthly (9 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 1 value over a limit, 0 required values missing, 8 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Parameter	Reported	Limit	Over by
October 2025	Chlorine, total residual, daily maximum	.62 mg/L	≤ .5 mg/L	24%
May 2026	Aluminum, total [as Al], daily average	≤ 2.45 mg/L	≤ 2 mg/L	23%
September 2026	Chlorine, total residual, daily maximum	.53 mg/L	≤ .5 mg/L	6%

Limits in force (9)

Parameter	Statistic	Limit	Months
Flow rate	daily maximum	report only (gal/d)	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	daily average	≤ 20 mg/L	all year
Solids, total suspended	daily maximum	≤ 40 mg/L	all year
Solids, settleable	daily maximum	≤ .1 mL/L	all year
Aluminum, total [as Al]	daily average	≤ 2 mg/L	all year
Aluminum, total [as Al]	daily maximum	≤ 4 mg/L	all year
Chlorine, total residual	daily maximum	≤ .5 mg/L	all year

How strict are these limits?

Solids, total suspended, daily average 20 mg/L — stricter than 55% of 43 other minor industrial and other permits in New York; 33% have the same limit
Solids, total suspended, daily maximum 40 mg/L — stricter than 30% of 340 other minor industrial and other permits in New York; 16% have the same limit
Solids, settleable, daily maximum .1 mL/L — stricter than 22% of 351 other minor industrial and other permits in New York; 77% have the same limit

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/NY0100153 · MCP: https://passage-data.com/mcp