Passage Data · Check a report · Use it from your AI

Catskill (V)

Water Supply, Earlton, New York. NPDES permit NY0261076, in force until Sep 30, 2029. Last 12 months: over a limit 5 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

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

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

Period ending	Parameter	Reported	Limit	Over by
November 2025	Flow rate, monthly average	.27 MGD	≤ .25 MGD	8%
August 2026	Flow rate, monthly average	.31 MGD	≤ .25 MGD	24%
September 2026	Aluminum, total [as Al], daily maximum	4.67 mg/L	≤ 4 mg/L	17%
September 2026	Aluminum, total [as Al], monthly average	4.67 mg/L	≤ 2 mg/L	134%
September 2026	Solids, total suspended, monthly average	27 mg/L	≤ 20 mg/L	35%

Limits in force (12)

Parameter	Statistic	Limit	Months
Temperature, water deg. fahrenheit	daily maximum	≤ 70 deg F (alert, not enforceable)	all year
Flow rate	monthly average	≤ .25 MGD	all year
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 8.5 SU	all year
Solids, total suspended	monthly 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
Iron, total [as Fe]	monthly average	≤ 2 mg/L	all year
Iron, total [as Fe]	daily maximum	≤ 4 mg/L	all year
Aluminum, total [as Al]	monthly average	≤ 2 mg/L	all year
Aluminum, total [as Al]	daily maximum	≤ 4 mg/L	all year
Chlorine, total residual	daily maximum	≤ .1 mg/L	all year

How strict are these limits?

pH, maximum 8.5 SU — stricter than 54% of 595 other minor industrial and other permits in New York; 45% have the same limit
pH, minimum at least 6.5 SU — stricter than 54% of 595 other minor industrial and other permits in New York; 46% have the same limit
Solids, total suspended, monthly average 20 mg/L — stricter than 45% of 146 other minor industrial and other permits in New York; 30% 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.

Check this month's numbers Email me before each report is due

· 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/NY0261076 · MCP: https://passage-data.com/mcp