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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

City of Phoenix

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.

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56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND120ND
2019ND430ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-23201801230355ND
2018-01-23201801230354ND
2018-03-21201803210484ND
2018-04-24201804240618ND
2018-04-24201804240617ND
2018-06-20201806200505ND
2018-07-24201807250607ND
2018-07-24201807250618ND
2018-09-18201809180406ND
2018-10-08201810090427ND
2018-10-23201810230628ND
2018-12-19201812200324ND
2019-01-02201901020289ND
2019-01-02201901020288ND
2019-01-08201901090436ND
2019-01-08201901090435ND
2019-01-09201901090438ND
2019-01-09201901090437ND
2019-01-10201901100212ND
2019-01-15201901160404ND
2019-01-15201901160403ND
2019-01-16201901160406ND
2019-01-16201901160405ND
2019-01-17201901170236ND
2019-01-17201901170237ND
2019-01-22201901220220ND
2019-01-22201901220221ND
2019-01-23201901230434ND
2019-01-24201901250011ND
2019-02-074203522ND
2019-04-23201904230386ND
2019-04-23201904230380ND
2019-04-23201904230387ND
2019-07-02201907030395ND
2019-07-02201907030394ND
2019-07-09201907090488ND
2019-07-09201907090489ND
2019-07-10201907100653ND
2019-07-11201907110548ND
2019-07-11201907110545ND
2019-07-11201907110547ND
2019-07-16201907160553ND
2019-07-16201907160552ND
2019-07-17201907170376ND
2019-07-18201907180254ND
2019-07-18201907180255ND
2019-07-25201907250229ND
2019-07-30201907300468ND
2019-07-30201907300467ND
2019-07-31201907310355ND
2019-08-01201908010297ND
2019-08-15201908150739ND
2019-10-10201910110061ND
2019-10-22201910220240ND
2019-10-22201910220254ND
2020-01-09202001090729ND