Know Your Environment. Protect Your Health.

Endothall

Bryan County Rural Water District #9

Endothall is a herbicide used to kill aquatic plants and algae. It's also used on potato and cotton crops.

 

24

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
2019N/A00N/A
2020ND120ND
2021ND60ND
2022ND50ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 94 ppb

The EWG Health Guideline of 94 ppb for endothall 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 harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for endothall, 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
2020-03-02SDWA-1470003-00ND
2020-03-02SDWA-1470003-08ND
2020-03-02SDWA-1470004-00ND
2020-03-02SDWA-1470004-08ND
2020-03-02SDWA-1470005-00ND
2020-03-02SDWA-1470005-08ND
2020-03-02SDWA-1470054-00ND
2020-03-02SDWA-1470054-14ND
2020-09-01SDWA-1516099-00ND
2020-09-01SDWA-1516100-00ND
2020-09-01SDWA-1516101-00ND
2020-09-01SDWA-1516075-00ND
2021-09-09SDWA-1603650-00ND
2021-09-09SDWA-1603649-00ND
2021-09-09SDWA-1603648-00ND
2021-11-02SDWA-1641421-00ND
2021-11-02SDWA-1641423-00ND
2021-11-02SDWA-1641422-00ND
2022-03-07SDWA-1674251-00ND
2022-04-20SDWA-1684781-00ND
2022-04-20SDWA-1684808-00ND
2022-04-20SDWA-1684832-00ND
2022-04-20SDWA-1684848-00ND
2023-12-15SDWA-1859120-00ND