Know Your Environment. Protect Your Health.

Endrin

Westside Rural Water Supply Corporation

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
2018ND10ND
2019ND30ND
2020ND20ND
2021ND10ND
2022ND30ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-10-30Q1843596009ND
2019-05-07Q1920849001ND
2019-05-07Q1920849010ND
2019-05-07Q1920849011ND
2020-01-23Q2002763011ND
2020-01-23Q2002763012ND
2021-01-25Q2101699001ND
2022-11-10Q2233973010ND
2022-11-10Q2233973011ND
2022-12-12Q2237147001ND
2023-03-20Q2310439004ND
2023-06-21Q2323858007ND