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Mount Vernon (C)

General Automotive Repair Shops, Mount Vernon, New York. NPDES permit NY0260312 expired Dec 31, 2020; its limits still apply. Last 12 months: no values over a limit, 57 required values missing, 18 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form M monthly (5 values), form Q quarterly, form V quarterly
Last report on file: July 2026
Oct 2024 – Sep 2025: 0 values over a limit, 43 required values missing, 14 of 20 reports late

Limits in force (10)

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
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Nitrogen, ammonia total [as N]	daily maximum	≤ 12.29 mg/L	Jan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]	daily maximum	≤ 2.89 mg/L	Jun–Oct
Toluene	daily maximum	≤ .1 mg/L (alert, not enforceable)	all year
Benzene	daily maximum	≤ .1 mg/L (alert, not enforceable)	all year
Mercury, total [as Hg]	daily maximum	≤ 50 ng/L	all year
Xylene [mix of m+o+p]	daily maximum	≤ .1 mg/L (alert, not enforceable)	all year

How strict are these limits?

Nitrogen, ammonia total [as N], daily maximum 2.89 mg/L — stricter than 18% of 60 other minor industrial and other permits in New York
Mercury, total [as Hg], daily maximum 50 ng/L — stricter than 10% of 29 other minor industrial and other permits in New York; 83% have the same limit

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

Same industry: the 20 Automotive Repair, Services and Parking 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/NY0260312 · MCP: https://passage-data.com/mcp