Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Concho Rural Water Grape Creek

NOTE: Concho Rural Water Grape Creek purchases water from City of San Angelo which is required to test for alachlor (lasso). Sample information shown below was taken by City of San Angelo.

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020ND10ND
2021ND10ND
2022ND30ND
2023ND10ND

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: Concho Rural Water Grape Creek purchases water from City of San Angelo which is required to test for alachlor (lasso). Sample information shown below was taken by City of San Angelo.

Date Lab ID Result
2018-02-28Q1808687003ND
2019-05-07Q1920785004ND
2020-02-18Q2006105003ND
2021-04-27Q2110656001ND
2021-07-20Q2119111001ND
2021-11-22Q2132528001ND
2022-02-14Q2205298001ND
2022-05-02Q2213012001ND
2023-02-15Q2306325008ND