Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Gonzales County Water Supply Corporation

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

Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.

 

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

EPA Maximum Contaminant
Level (MCL): 2 ppb

The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

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 alachlor (lasso). 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