Know Your Environment. Protect Your Health.

Dalapon

Galveston County Water Control and Improvement District 19

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

Date Lab ID Result
2018-05-18AE26959ND
2018-05-18AE27072ND
2018-05-18AE26953ND
2019-06-12AE70304ND
2019-06-12AE70305ND
2019-06-12AE70425ND
2020-05-21AF12321ND
2020-05-21AF12322ND
2020-05-21AF12429ND
2021-07-01AF60325ND
2021-07-01AF60461ND
2021-07-01AF60326ND
2022-05-13AF97020ND
2022-05-13AF97021ND
2022-05-13AF97084ND
2023-09-11AG55480ND
2023-09-11AG55483ND
2023-09-11AG55639ND