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EWG's Tap Water Database — 2021 UPDATE

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DCPA mono- and di-acid degradates

Wailuku

DCPA degradates are residues 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.

 

24

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
2015N/A00N/A
2016ND20ND
2017ND220ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2016-09-12ND
2016-11-30ND
2017-01-31ND
2017-01-31ND
2017-01-31ND
2017-02-24ND
2017-02-24ND
2017-02-27ND
2017-02-27ND
2017-02-27ND
2017-05-19ND
2017-05-19ND
2017-08-30ND
2017-09-07ND
2017-09-07ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-21ND
2017-10-25ND
2017-12-06ND