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EWG's Tap Water Database — 2021 UPDATE

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DCPA mono- and di-acid degradates

California Water Service Company - Dixon

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.

 

14

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
2015ND50ND
2016ND30ND
2017N/A00N/A
2018ND40ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-03-039590-002-0902ND
2015-03-039590-007-0953ND
2015-03-259590-008-0850ND
2015-03-319590-009-1057ND
2015-05-209590-003-0910ND
2016-04-069590-017-1123ND
2016-06-139590-020-1700ND
2016-07-209590-017-1340ND
2018-04-049590-002-0918ND
2018-04-059590-008-1337ND
2018-07-029590-002-1500ND
2018-07-109590-008-1540ND
2019-04-029590-017-1547ND
2019-07-029590-017-1330ND