Know Your Environment. Protect Your Health.

Endothall

Valley Utilities Water Company Glendale

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
2018ND60ND
2019N/A00N/A
2020ND60ND
2021ND80ND
2022ND40ND
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
2018-03-07201803070712SBND
2018-03-07201803070712SAND
2018-07-19201807190554SAND
2018-07-19201807190554SBND
2018-07-19201807190554SCND
2018-07-19201807190554SDND
2020-02-13202002130477SND
2020-02-13202002130479SND
2020-04-01202004020017SND
2020-04-01202004020018SND
2020-07-07202007080121SND
2020-07-07202007080122SND
2021-03-03202103040014SAND
2021-03-03202103040014SBND
2021-03-03202103040014SCND
2021-03-11202103120008SND
2021-04-14202104150273SAND
2021-04-14202104150273SBND
2021-04-14202104150273SCND
2021-04-14202104150273SDND
2022-02-02202202030108SND
2022-04-27202204280128SND
2022-07-07380-7658-1ND
2022-10-05380-23186-1ND