Know Your Environment. Protect Your Health.

Endrin

North Central Texas Municipal Water Authority

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND10ND
2020ND20ND
2021ND50ND
2022ND20ND
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
2018-02-13Q1806366001ND
2018-02-13Q1806366002ND
2018-05-15Q1819778002ND
2019-03-07Q1909867007ND
2020-03-17Q2011709001ND
2020-03-17Q2011709002ND
2021-03-01Q2105128001ND
2021-05-18Q2112967001ND
2021-08-24Q2122978001ND
2021-08-24Q2122978004ND
2021-12-09Q2134685001ND
2022-03-02Q2207242001ND
2022-09-07Q2226614010ND
2023-03-08Q2309188007ND
2023-09-05Q2338005001ND