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EWG's Tap Water Database — 2021 UPDATE

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Endothall

City of El Mirage

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

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND180ND
2017N/A00N/A
2018N/A00N/A

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
2016-03-076030608-01SND
2016-04-076040689-03SND
2016-04-076040689-02ND
2016-04-076040689-01ND
2016-05-166051378-01SND
2016-05-206051810-02SND
2016-05-206051810-01SND
2016-05-236051915-01ND
2016-05-236051915-02SND
2016-09-276092333-01SND
2016-12-146121326-01ND
2016-12-146121321-01ND
2016-12-156121430-01ND
2016-12-226121947-01SND
2016-12-276122102-01SND
2016-12-276122097-01SND
2016-12-286122222-01SOCND
2016-12-306122383-01SND
2019-01-3119A3296-01ND
2019-04-1819D2239-01ND
2019-04-3019D3255-01ND
2019-04-3019D3251-01ND
2019-05-0119E0140-01ND
2019-05-0119E0136-01ND
2019-05-0119E0134-01ND
2019-06-1019F1007-01ND
2019-06-2019F2265-01ND
2019-06-2419F2482-01ND
2019-07-0219G0397-01ND
2019-10-0719J0835-01ND
2019-10-0819J1148-02ND
2019-10-0819J1148-01ND
2019-10-0819J1147-01ND
2019-10-0919J1316-02ND
2019-10-0919J1316-01ND
2019-12-1019L1246-01ND
2019-12-1219L1634-01ND
2019-12-1219L1636-01ND