Know Your Environment. Protect Your Health.

Dalapon

Harris County Municipal Utility District 5

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
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
2018-02-06AE12481ND
2018-02-06AE12476ND
2018-05-02AE24794ND
2018-05-02AE24772ND
2018-09-12AE39788ND
2018-09-12AE39789ND
2018-11-26AE46811ND
2018-11-26AE46812ND
2019-02-06AE53171ND
2019-02-06AE53173ND
2019-04-29AE63920ND
2019-04-29AE63933ND
2019-08-15AE78868ND
2019-08-15AE78899ND
2019-12-04AE91218ND
2019-12-04AE91219ND
2020-02-21AE99488ND
2020-02-21AE99503ND
2020-02-21AE99586ND
2020-05-20AF12101ND
2020-05-20AF12104ND
2020-08-19AF24546ND
2020-08-19AF24564ND
2020-10-22AF31655ND
2020-10-22AF31656ND
2021-02-02AF42136ND
2021-02-02AF42138ND
2021-06-18AF58799ND
2021-06-18AF58804ND
2021-08-12AF66047ND
2021-08-12AF66049ND
2021-10-28AF75038ND
2021-10-28AF75039ND
2022-02-15AF84866ND
2022-02-15AF84868ND
2022-04-25AF94216ND
2022-04-25AF94217ND
2022-09-16AG13478ND
2022-09-16AG13475ND
2022-11-30AG20270ND
2022-11-30AG20271ND
2023-02-13AG28581ND
2023-02-13AG28583ND
2023-02-13AG28643ND
2023-05-09AG39709ND
2023-05-09AG39710ND
2023-07-24AG49767ND
2023-07-24AG49768ND
2023-11-15AG63724ND
2023-11-15AG63725ND