Know Your Environment. Protect Your Health.

Dalapon

City of Beaverton

NOTE: City of Beaverton purchases water from Joint Water Commission which is required to test for dalapon. Sample information shown below was taken by Joint Water Commission.

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

All test results

NOTE: City of Beaverton purchases water from Joint Water Commission which is required to test for dalapon. Sample information shown below was taken by Joint Water Commission.

Date Lab ID Result
2018-02-071809141-SND
2018-11-051884309-SND
2019-04-241928990-SND
2019-11-041981259-SND
2020-04-012021410-SND
2020-07-012041305-SND
2020-11-042074464-SND
2021-04-072123196-SND
2021-11-032180746-SND
2022-03-312221620-SND
2022-11-0222-71086-SND
2023-04-1023-19659-SND
2023-11-0623-67462-SND