Know Your Environment. Protect Your Health.

Endrin

Westwood Shores Municipal Utility District

NOTE: Westwood Shores Municipal Utility District purchases water from Trinity Rural Water Supply Corporation 1 which is required to test for endrin. Sample information shown below was taken by Trinity Rural Water Supply Corporation 1.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
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

NOTE: Westwood Shores Municipal Utility District purchases water from Trinity Rural Water Supply Corporation 1 which is required to test for endrin. Sample information shown below was taken by Trinity Rural Water Supply Corporation 1.

Date Lab ID Result
2018-02-14Q1806541006ND
2019-03-14Q1910847001ND
2020-11-03Q2042584003ND
2021-02-11Q2104195001ND
2022-03-02Q2207194001ND
2023-02-08Q2304961009ND