Know Your Environment. Protect Your Health.

Endrin

Western Cass 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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND10ND
2020ND50ND
2021ND50ND
2022ND10ND
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
2018-03-08Q1809687012ND
2018-03-08Q1809687013ND
2018-03-08Q1809687014ND
2018-03-08Q1809687015ND
2018-03-08Q1809687011ND
2019-05-02Q1918236011ND
2020-03-19Q2011997015ND
2020-04-21Q2015767019ND
2020-04-21Q2015767038ND
2020-07-28Q2029440007ND
2020-12-03Q2048488001ND
2021-10-25Q2129911001ND
2021-10-25Q2129911002ND
2021-10-25Q2129911003ND
2021-10-25Q2129911004ND
2021-10-25Q2129911005ND
2022-11-16Q2234548003ND
2023-08-01Q2331111001ND
2023-08-01Q2331111010ND