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Port of Vancouver

Water Transportation Of Freight, Vancouver, Washington. NPDES permit WA0039942 expired May 31, 2024; 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 MM monthly (5 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (10)

Parameter	Statistic	Limit	Months
Tetrachloroethylene	daily maximum	≤ .8 ug/L	all year
Tetrachloroethylene	daily maximum	≤ .8 ug/L	all year
Trichloroethylene	daily maximum	≤ .5 ug/L	all year
Trichloroethylene	daily maximum	≤ .5 ug/L	all year
pH, maximum	maximum	≤ 8.5 SU	all year
pH, maximum	maximum	≤ 8.5 SU	all year
pH, minimum	minimum	≥ 6.5 SU	all year
pH, minimum	minimum	≥ 6.5 SU	all year
Flow	daily maximum	report only (gal/d) (alert, not enforceable)	all year
Flow	daily maximum	report only (gal/d) (alert, not enforceable)	all year

How strict are these limits?

Trichloroethylene, daily maximum .5 ug/L — stricter than 98% of 155 other minor industrial and other permits nationwide; 1% have the same limit
Tetrachloroethylene, daily maximum .8 ug/L — stricter than 97% of 128 other minor industrial and other permits nationwide

Cited limits by parameter: Washington'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/WA0039942 · MCP: https://passage-data.com/mcp