Know Your Environment. Protect Your Health.

Endrin

City of Rio Hondo

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
2018ND10ND
2019ND10ND
2020ND50ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-04-25AE23995ND
2019-02-08AE53919ND
2020-03-06AF01834ND
2020-04-22AF07762ND
2020-06-09AF14684ND
2020-08-19AF24373ND
2020-10-07AF29870ND
2021-01-27AF41418ND
2021-04-29AF52015ND
2021-08-18AF66950ND
2021-12-20Q2135960001ND
2022-02-03AF83527ND
2022-04-19AF93735ND
2022-09-26AG14869ND
2022-11-17AG19240ND
2023-02-01AG27264ND
2023-05-18AG41183ND
2023-08-03AG51413ND
2023-11-09AG63128ND