Know Your Environment. Protect Your Health.

Endrin

The Mountain Water System

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND20ND
2020ND40ND
2021ND40ND
2022ND50ND
2023ND30ND

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
2019-02-26680-165152-1ND
2019-02-26680-165148-1ND
2020-03-18481645ND
2020-05-28487290ND
2020-09-02497125ND
2020-12-15506069ND
2021-03-161034274-01ND
2021-05-111053573-01ND
2021-09-24810-3688-1ND
2021-12-28810-11017-1ND
2022-03-14810-18538-1ND
2022-05-23FWE0084-01ND
2022-09-20FWJ0174ND
2022-09-20FWH0472-01ND
2022-12-13FWJ0174-01ND
2023-02-16FXB0443-01ND
2023-04-05FXC0477ND
2023-08-03FXF0558ND