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Sullivan County

Highway And Street Construction, Mongaup Valley, New York. NPDES permit NY0271314, in force until Oct 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 29 days after each period: form M monthly (5 values), form Q quarterly (4 values)
Renewal application due: May 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file: September 2026
Oct 2024 – Sep 2025: 3 values over a limit, 0 required values missing, 1 of 16 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
Flow rate	daily maximum	report only (gal/d)	all year
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 8.5 SU	all year
Solids, settleable	daily maximum	≤ .1 mL/L	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Toluene	daily maximum	≤ .01 mg/L	all year
Benzene	daily maximum	≤ .01 mg/L	all year
Ethylbenzene	daily maximum	≤ .01 mg/L	all year
Xylene [mix of m+o+p]	daily maximum	≤ .01 mg/L	all year

How strict are these limits?

Xylene [mix of m+o+p], daily maximum .01 mg/L — stricter than 72% of 33 other minor industrial and other permits in New York; 27% have the same limit
Toluene, daily maximum .01 mg/L — stricter than 64% of 34 other minor industrial and other permits in New York; 26% have the same limit
Ethylbenzene, daily maximum .01 mg/L — stricter than 63% of 30 other minor industrial and other permits in New York; 27% have the same limit

Cited limits by parameter: New York's rules and the federal ones.

Same industry: the 4 Heavy Construction 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/NY0271314 · MCP: https://passage-data.com/mcp