Know Your Environment. Protect Your Health.

Dalapon

Northwest Harris County Municipal Utility District 23

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
2018ND10ND
2019ND10ND
2020ND20ND
2021ND10ND
2022ND10ND
2023ND20ND

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
2018-05-17AE26749ND
2019-05-14AE66191ND
2020-02-13AE98476ND
2020-05-21AF12354ND
2021-06-10AF57431ND
2022-05-17AF97212ND
2023-01-12AG24493ND
2023-07-20AG49573ND