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EWG's Tap Water Database — 2019 UPDATE

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Endothall

Garden City Water and Sewer System

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

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND80ND
2014N/A00N/A
2015N/A00N/A
2016ND50ND
2017N/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
2013-05-13S1320406ND
2013-05-13S1320403ND
2013-05-13S1320404ND
2013-05-13S1320401ND
2013-05-14S1320583ND
2013-05-14S1320586ND
2013-07-02S1328445ND
2013-07-02S1328446ND
2016-05-26S1622903ND
2016-05-26S1622947ND
2016-08-12I1636493ND
2016-08-12S1636492ND
2016-08-12S1636494ND