Know Your Environment. Protect Your Health.

DCPA di-acid degradate

Bonney Lake Water Department

NOTE: Bonney Lake Water Department purchases water from City of Tacoma which is required to test for dcpa di-acid degradate. Sample information shown below was taken by City of Tacoma.

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022ND30ND
2023ND20ND

ppb = parts per billion

All test results

NOTE: Bonney Lake Water Department purchases water from City of Tacoma which is required to test for dcpa di-acid degradate. Sample information shown below was taken by City of Tacoma.

Date Lab ID Result
2021-06-214149607ND
2021-06-214149606ND
2021-06-214149605ND
2021-06-304142829ND
2021-06-304142830ND
2021-07-214157695ND
2021-07-214157684ND
2021-07-224157703ND
2022-02-014258884ND
2022-09-154369966ND
2022-11-154383023ND
2023-09-054543470ND
2023-09-064543472ND