Know Your Environment. Protect Your Health.

Dalapon

City of Leon Valley

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND40ND
2021ND20ND
2022ND20ND
2023ND40ND

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
2018-08-17AE37567ND
2018-08-17AE37571ND
2019-06-21AE71678ND
2019-06-21AE71679ND
2020-01-30AE96361ND
2020-03-25AF04603ND
2020-07-08AF18871ND
2020-07-08AF18872ND
2021-05-13AF53840ND
2021-05-13AF53841ND
2022-06-10AG00803ND
2022-06-10AG00804ND
2023-02-17AG29771ND
2023-02-17AG29772ND
2023-06-16AG44995ND
2023-06-16AG44996ND