Know Your Environment. Protect Your Health.

DCPA di-acid degradate

City of West Richland

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020N/A00N/A
2021ND20ND
20220.0902 ppb220.0294 ppb - 0.151 ppb
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2019-05-29ND
2021-07-274152605ND
2021-07-274152606ND
2022-06-1643093710.0294 ppb
2022-08-2443764790.151 ppb