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OMYA Inc

Industrial or other facility, Florence, Vermont. NPDES permit VT0020770 expired Sep 30, 2023; its limits still apply. Last 12 months: no values over a limit, 10 required values missing, 12 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (5 values), outfall 002 form A monthly (5 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 10 of 24 reports late

Limits in force (10)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendeddaily maximum≤ 17 mg/Lall year001
Flow, in conduit or thru treatment plantdaily maximum≤ .3 MGDall year001
Turbidity, lab, NTUdaily maximum≤ 25 NTUall year001
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 8.5 SUall year002
Solids, total suspendeddaily maximum≤ 10 mg/Lall year002
Flow, in conduit or thru treatment plantdaily maximum≤ .35 MGDall year002
Turbidity, lab, NTUdaily maximum≤ 10 NTUall year002

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VT0020770 · MCP: https://passage-data.com/mcp