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EWG's Tap Water Database — 2019 UPDATE

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DCPA mono- and di-acid degradates

Signal Hill - City, Water Department

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.

 

4

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
2013ND10ND
2014N/A00N/A
2015N/A00N/A
2016ND10ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-10-222706-006-0715ND
2016-10-209588-005-1110ND
2017-01-199588-005-0950ND
2017-04-209588-005-1010ND