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Imerys Talc Vermont Inc

Industrial or other facility, Ludlow, Vermont. NPDES permit VT0001163 expired Mar 31, 2019; its limits still apply. 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 (6 values)
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 (6)

Parameter	Statistic	Limit	Months
Turbidity	monthly average	≤ 10 NTU	all year
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 8.5 SU	all year
Arsenic, total [as As]	monthly average	≤ 155 g/d	all year
Nickel, total [as Ni]	monthly average	≤ 2 lb/d	all year
Flow, in conduit or thru treatment plant	daily maximum	≤ 432000 gal/d	all year

How strict are these limits?

Turbidity, monthly average 10 NTU — stricter than 74% of 75 other minor industrial and other permits nationwide; 21% 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/VT0001163 · MCP: https://passage-data.com/mcp