Know Your Environment. Protect Your Health.

Chlorpyriphos

Arlington Water Department

NOTE: Arlington Water Department purchases water from SNO PUD 1 - Lake Stevens which is required to test for chlorpyriphos. Sample information shown below was taken by SNO PUD 1 - Lake Stevens.

Chlorpyrifos is an organophosphate pesticide that has been widely used, but in 2021, application on food crops was banned by the EPA. Exposure to chlorpyrifos during pregnancy and early life harms the developing brain, including reduced IQ, delayed development of motor and sensory functions, and social and behavioral dysfunction.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

NOTE: Arlington Water Department purchases water from SNO PUD 1 - Lake Stevens which is required to test for chlorpyriphos. Sample information shown below was taken by SNO PUD 1 - Lake Stevens.

Date Lab ID Result
2019-01-2219-02669-5700ND
2019-01-2219-02669-5701ND
2019-04-1119-12542-25460ND
2019-07-2319-27105-52792ND
2019-07-2319-27105-52793ND
2019-11-1819-44092-85165ND