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EWG's Tap Water Database — 2021 UPDATE

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DCPA di-acid degradate

Roslyn WD

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND20ND
2016ND20ND
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-081401261-002-POCSND
2014-02-111402494-002-PRIND
2014-03-271403J26-002-POCSND
2014-04-141404A24-002-POCSND
2014-05-081405607-002-POCSND
2014-06-121406931-002-POCSND
2014-07-211407E34-002ND
2014-11-211411E96-002-POCSND
2015-01-151501871-002-POCSND
2015-05-281505K32-002-POCSND
2016-10-25702896002-SOCSND
2016-11-15704522003-SOCND