Know Your Environment. Protect Your Health.

Dalapon

Westminster Water Supply Corporation

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND20ND
2020N/A00N/A
2021ND20ND
2022ND10ND
2023N/A00N/A

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

Date Lab ID Result
2018-06-20Q1824691004ND
2018-06-20Q1824691009ND
2018-08-23Q1834033009ND
2019-02-12Q1906728012ND
2019-05-14Q1924859002ND
2021-12-06Q2133784005ND
2021-12-06Q2133784012ND
2022-05-11Q2214188018ND