Know Your Environment. Protect Your Health.

Endothall

Zone 2 Water System Inc.

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019N/A00N/A
2020N/A00N/A
2021ND30ND
2022N/A00N/A
2023N/A00N/A

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
2018-05-0335390192001ND
2018-05-0335390192002ND
2018-05-0335390192003ND
2018-05-0335390192001ND
2018-05-0335390192002ND
2018-05-0335390192003ND
2021-05-1935635174001ND
2021-05-1935635174002ND
2021-05-1935635174003ND