Know Your Environment. Protect Your Health.

Dalapon

City Of Brazoria

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

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020ND90ND
2021ND80ND
2022ND80ND
20230.267 ppb92ND - 1.40 ppb

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
2018-02-20AE14374ND
2018-02-20AE14371ND
2018-06-06AE28821ND
2018-06-06AE28813ND
2018-08-21AE38095ND
2018-08-21AE38098ND
2018-11-07AE45605ND
2018-11-07AE45607ND
2019-01-16AE50103ND
2019-01-16AE50104ND
2019-04-17AE62723ND
2019-04-17AE62726ND
2019-07-11AE74096ND
2019-07-11AE74107ND
2019-11-05AE88448ND
2019-11-05AE88450ND
2020-02-05AE97038ND
2020-02-05AE97078ND
2020-04-30AF08900ND
2020-04-30AF08903ND
2020-04-30AF08969ND
2020-07-13AF19108ND
2020-07-13AF19124ND
2020-10-06AF29658ND
2020-10-06AF29659ND
2021-01-12AF38809ND
2021-01-12AF38810ND
2021-04-21AF50869ND
2021-04-21AF50871ND
2021-08-05AF65052ND
2021-08-05AF65053ND
2021-10-28AF75031ND
2021-10-28AF75033ND
2022-01-19AF80700ND
2022-01-19AF80704ND
2022-04-07AF92399ND
2022-04-07AF92400ND
2022-09-20AG14117ND
2022-09-20AG14115ND
2022-10-18AG17365ND
2022-10-18AG17370ND
2023-02-16AG29312ND
2023-02-16AG29314ND
2023-06-14AG44584ND
2023-06-29AG467221.40 ppb
2023-06-29AG467231.000 ppb
2023-09-05AG54799ND
2023-09-05AG54822ND
2023-10-25AG61018ND
2023-10-25AG61020ND