Know Your Environment. Protect Your Health.

Trifluralin

Gonzales County Water Supply Corporation

NOTE: Gonzales County Water Supply Corporation purchases water from City of Gonzales which is required to test for trifluralin. Sample information shown below was taken by City of Gonzales.

Trifluralin is a herbicide that is used on food crops and non-agricultural lands. It was banned in Europe in the late 2000s, primarily due to its ecological toxicity.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020ND90ND
2021ND50ND
2022ND50ND
2023ND60ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 4 ppb

The EWG Health Guideline of 4 ppb for trifluralin was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

NOTE: Gonzales County Water Supply Corporation purchases water from City of Gonzales which is required to test for trifluralin. Sample information shown below was taken by City of Gonzales.

Date Lab ID Result
2018-02-08AE13123ND
2019-03-05AE57241ND
2020-01-21AE94506ND
2020-01-21AE94509ND
2021-01-13AF39245ND
2022-03-11AF88976ND
2023-02-27AG30700ND
2023-02-27AG30701ND