Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

DCPA di-acid degradate

Golden Valley 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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
201439.7 ppb4411.0 ppb - 58.4 ppb
201530.0 ppb1130.0 ppb
2016N/A00N/A
201737.8 ppb1137.8 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-128295933.8 ppb
2014-06-188318111.0 ppb
2014-09-298368858.4 ppb
2014-10-298378055.4 ppb
2015-01-148394130.0 ppb
2017-09-2637.8 ppb