Know Your Environment. Protect Your Health.

Chlorpyriphos

City of Puyallup

NOTE: City of Puyallup purchases water from City of Tacoma which is required to test for chlorpyriphos. Sample information shown below was taken by City of Tacoma.

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019ND90ND
2020ND40ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

NOTE: City of Puyallup purchases water from City of Tacoma which is required to test for chlorpyriphos. Sample information shown below was taken by City of Tacoma.

Date Lab ID Result
2019-06-17201906180320ND
2019-06-18201906200113ND
2019-07-08201907090493ND
2019-10-14201910150295ND
2019-11-18201911190327ND
2019-11-19201911200332ND
2020-01-06202001070137ND
2020-04-06202004070215ND
2020-07-07202007080257ND
2020-12-07202012080075ND