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Safety-Kleen Systems Inc

Scrap And Waste Materials, Mahopac, New York. NPDES permit NY0101753, in force until Dec 31, 2030. Last 12 months: over a limit once (last February 2026), 4 required values missing, 3 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form M monthly (6 values), form V quarterly (4 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period ending	Parameter	Reported	Limit
February 2026	pH, daily minimum	2.61 SU	≥ 6 SU

Limits in force (12)

Parameter	Statistic	Limit	Months
Temperature, water deg. fahrenheit	daily maximum	report only (deg F)	all year
pH	daily minimum	≥ 6.5 SU	all year
pH	daily minimum	≥ 6 SU	all year
pH	daily maximum	≤ 8.5 SU	all year
pH	daily maximum	≤ 9 SU	all year
Toluene	daily maximum	≤ .1 mg/L (alert, not enforceable)	all year
Benzene	daily maximum	≤ .1 mg/L (alert, not enforceable)	all year
Ethylbenzene	daily maximum	≤ .1 mg/L (alert, not enforceable)	all year
Flow, in conduit or thru treatment plant	monthly average	report only (gal/d)	all year
Chlorine, total residual	daily minimum	≥ 2 mg/L	all year
Chlorine, total residual	daily maximum	≤ .03 mg/L	all year
Xylene [mix of m+o+p]	daily maximum	≤ .1 mg/L (alert, not enforceable)	all year

How strict are these limits?

Chlorine, total residual, daily minimum at least 2 mg/L — stricter than 99% of 138 other minor industrial and other permits nationwide
Chlorine, total residual, daily maximum .03 mg/L — stricter than 74% of 275 other minor industrial and other permits in New York; 17% have the same limit
pH, daily maximum 8.5 SU — stricter than 42% of 73 other minor industrial and other permits in New York; 56% have the same limit

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

Same industry: the 3 Wholesale Trade — Durable Goods 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/NY0101753 · MCP: https://passage-data.com/mcp