Know Your Environment. Protect Your Health.

Dalapon

Harris County Municipal Utility District 189

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
2018ND10ND
2019ND10ND
2020ND30ND
2021ND10ND
2022ND10ND
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
2018-05-17AE26723ND
2019-07-08AE73372ND
2020-06-23AF16510ND
2020-06-23AF16596ND
2020-06-23AF16599ND
2021-06-10AF57433ND
2022-07-21AG05747ND
2023-07-20AG49574ND
2023-07-20AG49681ND
2023-10-12AG59765ND