Know Your Environment. Protect Your Health.

Endrin

City Of Glen Rose

NOTE: City Of Glen Rose purchases water from Somervell County Water District - Wheele which is required to test for endrin. Sample information shown below was taken by Somervell County Water District - Wheele.

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
2018ND40ND
2019ND20ND
2020ND40ND
2021ND70ND
2022ND80ND
2023ND80ND

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: City Of Glen Rose purchases water from Somervell County Water District - Wheele which is required to test for endrin. Sample information shown below was taken by Somervell County Water District - Wheele.

Date Lab ID Result
2018-04-26Q1817130001ND
2019-02-13Q1906633003ND
2020-11-03Q2042995005ND
2021-06-01Q2114024001ND
2022-02-22Q2206240001ND
2023-10-11Q2343452003ND