Know Your Environment. Protect Your Health.

PFOS + PFOA + PFHxS + PFNA

Sammamish Plateau Water and Sewer

 

12

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
202233.1 ppt888.80 ppt - 88.1 ppt
202316.4 ppt4410.7 ppt - 30.0 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

ppt = parts per trillion

All test results

Date Lab ID Result
2022-02-16426027937.7 ppt
2022-02-1642602858.80 ppt
2022-02-1642602858.80 ppt
2022-02-16426021083.9 ppt
2022-02-16426022413.1 ppt
2022-02-16426021688.1 ppt
2022-02-16426026710.9 ppt
2022-02-16426028413.3 ppt
2023-03-13445524413.7 ppt
2023-03-13445524611.3 ppt
2023-03-13445524530.0 ppt
2023-03-13445524310.7 ppt