Know Your Environment. Protect Your Health.

Dalapon

Harris County Municipal Utility District 400 - West

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
2021ND20ND
2022ND20ND
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
2018-05-23AE27401ND
2018-05-23AE27403ND
2019-09-04AE81992ND
2019-09-04AE81993ND
2020-04-29AF08761ND
2020-09-03AF26448ND
2020-09-03AF26449ND
2021-06-10AF57461ND
2021-06-10AF57464ND
2022-06-22AG01918ND
2022-06-22AG01919ND
2023-06-29AG46726ND
2023-06-29AG46727ND
2023-06-29AG46842ND