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Swenson Granite Company, LLC

Industrial or other facility, Woodbury, Vermont. NPDES permit VT0120131, in force until Mar 31, 2031. Last 12 months: no values over a limit, 16 required values missing, 4 of 6 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: outfall 001 form A monthly (4 values), outfall 008 form A monthly (4 values)
Last report on file: July 2026

Limits in force (8)

Parameter	Statistic	Limit	Months	Outfall
pH	minimum	≥ 6.5 SU	all year	001
pH	maximum	≤ 8.5 SU	all year	001
Solids, total suspended	daily maximum	≤ 30 mg/L	all year	001
Phosphorus, total [as P]	monthly average	≤ .8 mg/L	all year	001
pH	minimum	≥ 6.5 SU	all year	008
pH	maximum	≤ 8.5 SU	all year	008
Solids, total suspended	daily maximum	≤ 30 mg/L	all year	008
Phosphorus, total [as P]	monthly average	≤ .8 mg/L	all year	008

How strict are these limits?

Phosphorus, total [as P], monthly average .8 mg/L — stricter than 65% of 888 other minor industrial and other permits nationwide; 2% have the same limit
Solids, total suspended, daily maximum 30 mg/L — stricter than 25% of 24 other minor industrial and other permits in Vermont; 4% 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/VT0120131 · MCP: https://passage-data.com/mcp