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New NGC Inc

Gypsum Products, East Greenbush, New York. NPDES permit NY0122980 expired Apr 30, 2025; its limits still apply. Last 12 months: no values over a limit, 8 required values missing, 3 of 8 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: outfall 002 form X quarterly, outfall 003 form M quarterly
Last report on file: July 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 2 of 8 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months	Outfall
Flow rate	daily maximum	≤ 1140 gal/d	all year	002
Flow rate	daily maximum	report only (gal/d)	all year	003
pH	minimum	≥ 6.5 SU	all year	003
pH	maximum	≤ 8.5 SU	all year	003
Oil & Grease	daily maximum	≤ 15 mg/L	all year	003
Toluene	daily maximum	≤ 5 ug/L	all year	003
Benzene	daily maximum	≤ .7 ug/L	all year	003
Ethylbenzene	daily maximum	≤ 5 ug/L	all year	003
Xylene [mix of m+o+p]	daily maximum	≤ 5 ug/L	all year	003

How strict are these limits?

Benzene, daily maximum .7 ug/L — stricter than 100% of 46 other minor industrial and other permits in New York
Xylene [mix of m+o+p], daily maximum 5 ug/L — stricter than 82% of 40 other minor industrial and other permits in New York; 18% have the same limit
pH, maximum 8.5 SU — stricter than 54% of 595 other minor industrial and other permits in New York; 45% have the same limit

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

Same industry: the 14 Stone, Clay, Glass and Concrete Products 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/NY0122980 · MCP: https://passage-data.com/mcp