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EWG's Tap Water Database — 2021 UPDATE

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2,4,5-T

El Dorado Waterworks

2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) is a herbicide banned in the U.S. since 1985. It was formerly used on residential and commercial lawns, and occasionally on food crops. 2,4,5-T contained the impurity dioxin, which is highly toxic to people and wildlife.

 

6

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
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-07-1415197006202ND
2015-07-1415197006402ND
2015-11-0415309004502ND
2015-11-0415309004402ND
2018-07-3018214000902ND
2018-07-3018214001002ND