Know Your Environment. Protect Your Health.

Dinoseb

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 dinoseb. Sample information shown below was taken by Utrwd Regional Water Treatment Plant.

Dinoseb is a herbicide that causes birth defects and reproductive difficulties. It has been banned in the U.S. since 1986.

 

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): 7 ppb

The legal limit for dinoseb, established in 1992, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

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 dinoseb. 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