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EWG's Tap Water Database — 2021 UPDATE

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Chlorpyriphos

California Water Service (CWS) - Bakersfield

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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84

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND320ND
2019ND500ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-08-13201808151222ND
2018-08-20201808220414ND
2018-08-20201808220454ND
2018-09-10201809120908ND
2018-09-11201809130843ND
2018-09-12201809130821ND
2018-09-24201809260132ND
2018-09-24201809260163ND
2018-09-24201809260140ND
2018-09-24201809260287ND
2018-10-09201810110855ND
2018-10-11201810120501ND
2018-10-11201810120498ND
2018-10-15201810160360ND
2018-10-15201810160468ND
2018-10-18201810190179ND
2018-11-05201811070517ND
2018-11-05201811070915ND
2018-11-05201811070859ND
2018-11-08201811090378ND
2018-11-13201811140108ND
2018-11-13201811140278ND
2018-11-13201811140639ND
2018-11-27201811290324ND
2018-11-29201812040472ND
2018-11-29201812040474ND
2018-12-10201812120313ND
2018-12-12201812130622ND
2018-12-17201812210249ND
2018-12-17201812210199ND
2018-12-18201812210207ND
2018-12-19201812210234ND
2019-01-08201901110339ND
2019-01-16201901170186ND
2019-01-22201901240293ND
2019-01-22201901240094ND
2019-01-23201901240299ND
2019-02-20201902220149ND
2019-02-20201902220167ND
2019-02-22201902270143ND
2019-02-25201902270126ND
2019-02-26201902270113ND
2019-03-06A9B1213-03ND
2019-03-06A9B1434-02ND
2019-03-06A9B1209-03ND
2019-03-11A9B1452-02ND
2019-03-11A9B1447-02ND
2019-03-15201903190148ND
2019-03-25A9B1440-03ND
2019-04-08A9C0891-02ND
2019-04-08A9C1782-03ND
2019-04-08A9C1237-02ND
2019-04-11A9C0890-02ND
2019-04-11A9C1235-02ND
2019-04-11A9C1236-02ND
2019-04-15A9D0922-02ND
2019-04-22A9C1780-03ND
2019-04-22A9C1784-02ND
2019-05-13A9D1735-02ND
2019-05-13A9D2005-02ND
2019-05-15A9D2006-02ND
2019-05-15A9D2002-02ND
2019-05-20A9D1743-03ND
2019-05-23A9D1750-02ND
2019-06-04A9E0245-03ND
2019-06-05A9E0243-03ND
2019-06-21A9E0247-03ND
2019-06-26A9E0244-02ND
2019-06-26A9F0305-03ND
2019-07-10A9F0754-02ND
2019-07-10A9F2439-03ND
2019-07-10A9F0863-02ND
2019-07-11A9F0853-02ND
2019-07-11A9F0934-02ND
2019-07-15A9F2433-02ND
2019-07-18A9F0937-03ND
2019-09-04A9H1696-03ND
2019-09-10A9H1694-03ND
2019-09-24A9H1049-03ND
2019-11-05A9J2648-02ND
2019-11-06A9J2640-03ND
2019-11-20A9J2644-03ND
2020-01-28ADA1035-03ND
2020-05-12ADD1358-02ND