Know Your Environment. Protect Your Health.

Dalapon

Harris County Municipal Utility District 371

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

 

24

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
2021ND30ND
2022ND80ND
2023ND90ND

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
2018-06-26AE31430ND
2019-09-24AE84379ND
2020-05-08AF10347ND
2020-05-08AF10466ND
2021-06-30AF60102ND
2021-09-17AF70357ND
2021-10-25AF74506ND
2022-02-22AF85826ND
2022-02-22AF85829ND
2022-04-25AF94196ND
2022-04-25AF94202ND
2022-09-23AG14749ND
2022-09-23AG14734ND
2022-10-24AG18050ND
2022-10-24AG18051ND
2023-01-26AG26438ND
2023-01-26AG26439ND
2023-01-26AG26547ND
2023-04-05AG35552ND
2023-04-05AG35553ND
2023-07-07AG47528ND
2023-07-07AG47544ND
2023-10-18AG60228ND
2023-10-18AG60230ND