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EWG's Tap Water Database — 2019 UPDATE

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Endothall

Doyon Utilities Jber - Richardson

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND160ND
2013N/A00N/A
2014N/A00N/A
2015ND120ND
2016ND10ND
2017ND40ND

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
2012-01-23PE*2581092ND
2012-01-23PE*2581106ND
2012-01-23PE*2581110ND
2012-01-23PE*2581116ND
2012-01-23PE*2581079ND
2012-04-23PE*2629748ND
2012-04-23PE*2629764ND
2012-04-23PE*2629785ND
2012-04-23PE*2629810ND
2012-07-24PE*2682055ND
2012-07-24PE*2682127ND
2012-07-24PE*2682080ND
2012-11-26PE*2745629ND
2012-11-26PE*2745643ND
2012-11-26PE*2745653ND
2012-11-26PE*2745663ND
2015-02-24PE*3195302ND
2015-02-24PE*3195666ND
2015-02-24PE*3195333ND
2015-06-23PE*3268445ND
2015-06-23PE*3268602ND
2015-06-23PE*3268617ND
2015-09-14PE*3322321ND
2015-09-14PE*3322332ND
2015-09-14PE*3322349ND
2015-12-07PE*3371146ND
2015-12-07PE*3371159ND
2015-12-07PE*3371169ND
2016-03-29PE*3422160ND
2017-03-06PE*3649760ND
2017-05-22PE*3698679ND
2017-08-28PE*3767828ND
2017-10-11PE*3797940ND