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EWG's Tap Water Database — 2021 UPDATE

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Endothall

Coachella Valley Water District: Cove Community

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND30ND
2016ND10ND
2017ND10ND
2018ND50ND
2019ND100ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-05-054790-279-1240ND
2014-06-134790-032-0955ND
2014-06-134790-199-0908ND
2014-06-134790-030-1037ND
2014-06-134790-084-0725ND
2014-06-134790-103-0811ND
2014-06-134790-105-0851ND
2014-06-134790-117-1002ND
2014-06-134790-129-0907ND
2014-06-134790-134-1005ND
2015-06-164790-279-1030ND
2015-09-154790-279-0926ND
2015-12-024790-279-1101ND
2016-03-239590-279-1010ND
2017-01-239590-224-1045ND
2018-04-259590-281-1145ND
2018-07-259590-281-1045ND
2018-09-269590-282-1140ND
2018-10-239590-281-1300ND
2018-12-129590-282-1155ND
2019-01-319590-281-0950ND
2019-03-069590-224-1017ND
2019-03-199590-282-1035ND
2019-05-229590-286-0836ND
2019-06-219590-282-1130ND
2019-06-219590-224-0840ND
2019-07-039590-289-0800ND
2019-08-299590-286-1240ND
2019-09-269590-224-1100ND
2019-11-209590-289-1050ND