Reference Source

Washington — PFNA

For Washington, state–chemical pair is Washington — PFNA; pfas compound is PFNA; concentration limit (ppt) is 9; regulation type is notification level; stricter than federal mcl is yes, recorded from its source on 2026-08-14.

State–chemical pair
Washington — PFNA
State
Washington
PFAS compound
PFNA verified
Concentration limit (ppt)
9 verified
Regulation type
notification level
Stricter than federal MCL
yes our reading
Regulatory citation
WAC 246-290
Sourcebclplaw.com
Verified
Review by
DatasetPFAS drinking water concentration limits by US state — MCLs, notification levels, action levels, and health advisories for PFOA, PFOS, and other per- and polyfluoroalkyl substances

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Concentration level 9 ppt Chemical(s) and type of regulation PFNA (Notification)

bclplaw.com, retrieved 2026-08-14

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.