OLYMPIA CITY OF

PWSID: WA5363450 · OLYMPIA, WA · Serving 113,584 people

Type: CWSOwner: LSource: GW

Settlement eligible

May qualify for 3M/DuPont settlement funds

Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

PFOA4.3 ppt(MCL: 4 ppt)

PFOS5.8 ppt(MCL: 4 ppt)

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

Exact contamination levels

Upgrade to Pro to see PFOA/PFOS ppt values and MCL comparison charts.

PFAS compounds detected

5.8 ppt

Highest single detection

Highest detection

Pro feature

2024-04-23

Latest sample date

complete

Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5) · 340 compounds tested

Contaminant	Result (ppt)	MCL (ppt)	Status	Sample date
PFOS	ND	4	Below MRL	2024-04-23
NFDHA	ND	—	Below MRL	2023-10-18

338 more results hidden