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EWG's Tap Water Database — 2021 UPDATE

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2,4,5-T

Cal-water Service Company - Chico

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND150ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-145810-140-1233ND
2014-01-295810-062-0940ND
2014-01-295810-075-1015ND
2014-02-055810-017-1305ND
2014-02-265810-054-1041ND
2014-03-115810-049-1135ND
2014-04-105810-074-0850ND
2014-04-165810-038-0842ND
2014-04-235810-140-0920ND
2014-05-065810-032-0904ND
2014-05-125810-063-0916ND
2014-05-135810-041-1142ND
2014-05-135810-059-1040ND
2014-06-245810-064-0939ND
2014-12-175810-007-0807ND
2015-07-145810-052-0700ND