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EWG's Tap Water Database — 2021 UPDATE

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Endrin

Yorktown Water

Endrin is a banned organochlorine insecticide that is persistent and bioaccumulative. Endrin damages the nervous, immune and reproductive systems in people. It also harms fish, birds and other wildlife.

MORE ABOUT THIS CONTAMINANT

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
2015N/A00N/A
2016N/A00N/A
2017ND70ND
2018ND70ND
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.3 ppb

The EWG Health Guideline of 0.3 ppb for endrin was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against change to the heart and blood vessels.

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for endrin, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-1114226000606ND
2014-08-1114226000106ND
2014-08-1114226000206ND
2014-08-1114226000306ND
2014-08-1114226000506ND
2014-08-1114226000406ND
2014-08-1114226000706ND
2014-10-2114296009506ND
2014-10-2114296009406ND
2014-10-2114296009906ND
2014-10-2114296009606ND
2014-10-2114296009806ND
2014-10-2114296009706ND
2014-10-2114296010006ND
2017-10-1717292005306ND
2017-10-1717292005806ND
2017-10-1717292005706ND
2017-10-1717292005606ND
2017-10-1717292005906ND
2017-10-1717292005506ND
2017-10-1717292005406ND
2018-01-0218004010301ND
2018-01-0218004010101ND
2018-01-0218004010501ND
2018-01-0218004010001ND
2018-01-0218004010201ND
2018-01-0218004010401ND
2018-03-1218074002801ND