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EWG's Tap Water Database — 2021 UPDATE

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Endothall

Fort Wayne - 3 Rivers Filtration Plant

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

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND30ND
2017ND50ND
2018ND30ND
2019ND40ND

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
2014-02-11311534RS28-1401ND
2014-05-13317428RS28-1402ND
2014-08-12323087RS-1403ND
2014-08-12323087RS28-1403ND
2014-11-12328984RS28-1404ND
2015-02-10333846RS28-1501ND
2015-05-123240908RS28-1502ND
2015-08-13346566RS28-1503ND
2015-08-20347225RS28-1503ND
2015-11-10352603RS28-1504ND
2016-05-103445471RS28-1602ND
2016-08-103519395RS28-1603ND
2016-11-163588021RS28-1604ND
2017-02-133637236RS28-1701ND
2017-02-13382666RS28-1701ND
2017-05-103691990RS28-1702ND
2017-08-17395990RS28-1703ND
2017-11-15402969RS28-1704ND
2018-05-15416665RS28-1802ND
2018-08-15426216RS28-1803ND
2018-11-13436087RS28-1804ND
2019-02-13443413RS28-1901ND
2019-05-14452294RS28-1902ND
2019-08-13461756ND
2019-11-13470991RS28-1904ND