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Marine Fluid Systems, Inc.

Industrial or other facility, Seattle, Washington. NPDES permit WA0032174, in force until Sep 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form QQ quarterly (5 values)
Last report on file: June 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (5)

Parameter	Statistic	Limit	Months
Turbidity	daily maximum	report only (NTU) (alert, not enforceable)	all year
Oil and grease, hexane extr method	daily maximum	≤ 5 mg/L	all year
Turbidity, background	daily maximum	report only (NTU) (alert, not enforceable)	all year
Turbidity, increase over background	daily maximum	≤ 5 NTU	all year
Oil and grease visual	daily maximum	≤ 1 N=0;Y=1	all year

How strict are these limits?

Oil and grease, hexane extr method, daily maximum 5 mg/L — stricter than 66% of 24 other minor industrial and other permits in Washington; 33% have the same limit

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/WA0032174 · MCP: https://passage-data.com/mcp