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National Drinking Water Database


DCPA di acid degradate in Washington


DCPA di acid degradate is a residue of Dacthal (DCPA), an herbicide used for urban, household and agricultural applications.

The Most Polluted Communities in Washington

22 water utilities reported detecting DCPA di acid degradate in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average DCPA di acid degradate level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Columbia View Water System
Burbank, WA
3505 of 56.46 ppb
(4.75 to 7.97 ppb)
2City of Quincy Water Department
Quincy, WA
5,1656 of 66.36 ppb
(0.6 to 10.46 ppb)
3Country Corner Mobile Home Park
Gig Harbor, WA
953 of 35.87 ppb
(5.1 to 6.5 ppb)
4Weiler-Martin Tracts Water Assn
Quincy, WA
7754 of 43.93 ppb
(1.6 to 6.9 ppb)
5Sportsman Trailer Park
Othello, WA
1503 of 42.13 ppb
(0 to 3.33 ppb)
6City of West Richland
West Richland, WA
11,2001 of 11.77 ppb
(1.77 ppb)
7Sage Hills Estates 1
Warden, WA
388 of 81.53 ppb
(0.98 to 2.22 ppb)
8White Bluff Water Association
Pasco, WA
1052 of 31.45 ppb
(0 to 3 ppb)
9Tieton Hills Water Co
Yakima, WA
756 of 71.24 ppb
(0 to 2.3 ppb)
10Lakeshore Mobile Home Court
Anacortes, WA
1003 of 31.07 ppb
(1.01 to 1.14 ppb)

Health Based Limits for DCPA di acid degradate

There are no health based standards that EWG is using for this chemical

Violation Summary for DCPA di acid degradate in Washington

There are no violations reported for this contaminant in Washington