Know Your Environment. Protect Your Health.

Dalapon

Northwest Harris County Municipal Utility District 19

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND10ND
2020ND10ND
2021ND30ND
2022ND10ND
2023ND10ND

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
2018-05-17AE26742ND
2018-05-17AE26848ND
2018-05-17AE26850ND
2019-09-05AE82235ND
2020-09-01AF26035ND
2021-06-10AF57434ND
2021-06-10AF57570ND
2021-06-10AF57571ND
2022-05-17AF97214ND
2023-07-20AG49567ND