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EWG's Tap Water Database — 2021 UPDATE

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Endrin

Clearbrooke Estates Pump District

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND
2018ND30ND
2019ND40ND

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
2014-04-2235135575005ND
2017-04-202224520003ND
2017-04-202224520004ND
2017-09-262265847001ND
2017-11-142277506001ND
2018-01-232291329001ND
2018-04-042307423001ND
2018-10-034079413ND
2019-01-224180616ND
2019-03-084221691ND
2019-04-244271516ND
2019-08-204395306ND