Know Your Environment. Protect Your Health.

Dalapon

Cross Timbers Water Supply Corporation

NOTE: Cross Timbers Water Supply Corporation purchases water from Utrwd Regional Water Treatment Plant which is required to test for dalapon. Sample information shown below was taken by Utrwd Regional Water Treatment Plant.

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

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND20ND
2020ND50ND
2021N/A00N/A
2022ND20ND
2023ND40ND

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

NOTE: Cross Timbers Water Supply Corporation purchases water from Utrwd Regional Water Treatment Plant which is required to test for dalapon. Sample information shown below was taken by Utrwd Regional Water Treatment Plant.

Date Lab ID Result
2019-03-07Q1909910002ND
2019-09-27Q1970279003ND
2022-01-25Q2202436006ND
2022-09-15Q2227673011ND