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Ampersand Gilman Hydo LP

Industrial or other facility, Gilman, Vermont. NPDES permit VT0001325 expired Sep 30, 2017; its limits still apply. Last 12 months: over a limit 2 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (3 values)
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 6 required values missing, 12 of 12 reports late

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

Period ending	Parameter	Reported	Limit	Over by
June 2026	Flow, in conduit or thru treatment plant, daily maximum	181288	≤ 180000 gal/d	1%
June 2026	Temperature, water deg. fahrenheit, daily maximum	1.7	≤ 1 deg F	70%

Limits in force (3)

Parameter	Statistic	Limit	Months
Temperature, water deg. fahrenheit	daily maximum	≤ 1 deg F	all year
Flow, in conduit or thru treatment plant	monthly average	≤ 110000 gal/d	all year
Flow, in conduit or thru treatment plant	daily maximum	≤ 180000 gal/d	all year

How strict are these limits?

Temperature, water deg. fahrenheit, daily maximum 1 deg F — stricter than 99% of 648 other minor industrial and other permits nationwide

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/VT0001325 · MCP: https://passage-data.com/mcp