STEILACOOM TOWN OF

PWSID: WA5384000 · Steilacoom, WA · Serving 8,545 people

Type: CWSOwner: LSource: GW

Compliant

All PFAS compounds below EPA Maximum Contaminant Levels.

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Exact contamination levels

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PFAS compounds detected

N/A ppt

Highest single detection

Highest detection

Pro feature

2025-09-23

Latest sample date

partial

Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5) · 58 compounds tested

Contaminant	Result (ppt)	MCL (ppt)	Status	Sample date
9Cl-PF3ONS	ND	—	Below MRL	2025-03-17
11Cl-PF3OUdS	ND	—	Below MRL	2025-03-17

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