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EWG's Tap Water Database — 2021 UPDATE

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DCPA di-acid degradate

Weiler-martin Tracts Water Association

DCPA di-acid degradate is a residue of the herbicide dacthal, or DCPA, which is used for urban, household and agricultural applications. Dacthal is a possible human carcinogen whose use was limited by the EPA in 2005 due to concerns about water contamination.

 

3

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
201520.2 ppb1120.2 ppb
201619.7 ppb1119.7 ppb
2017N/A00N/A
201837.2 ppb1137.2 ppb
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-04-298414420.2 ppb
2016-04-2019.7 ppb
2018-11-2637.2 ppb