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NorthStar Nuclear Decommissioning Company LLC

Industrial or other facility, major discharger, Vernon, Vermont. NPDES permit VT0000264, in force until Sep 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (4 values)
Renewal application due: Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (4)

Parameter	Statistic	Limit	Months
Turbidity	instantaneous maximum	≤ 10 NTU	all year
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 8.5 SU	all year
Flow, in conduit or thru treatment plant	daily maximum	≤ 130000 gal/d	all year

How strict are these limits?

pH, maximum 8.5 SU — stricter than 84% of 791 other major industrial and other permits nationwide; 12% have the same limit
pH, minimum at least 6.5 SU — stricter than 67% of 808 other major industrial and other permits nationwide; 29% have the same limit

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VT0000264 · MCP: https://passage-data.com/mcp