Alachlor (Lasso)
City of Frost
NOTE: City of Frost purchases water from City of Corsicana which is required to test for alachlor (lasso). Sample information shown below was taken by City of Corsicana.
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
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: City of Frost purchases water from City of Corsicana which is required to test for alachlor (lasso). Sample information shown below was taken by City of Corsicana.
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-31 | Q1803716001 | ND |
| 2018-01-31 | Q1803716007 | ND |
| 2019-01-10 | Q1901447002 | ND |
| 2019-01-10 | Q1901447009 | ND |
| 2020-01-23 | Q2002752001 | ND |
| 2020-01-29 | Q2003549001 | ND |
| 2021-01-14 | Q2101046001 | ND |
| 2021-01-14 | Q2101046002 | ND |
| 2022-06-20 | Q2216942001 | ND |
| 2022-06-20 | Q2216942002 | ND |
| 2023-02-09 | Q2305193003 | ND |
| 2023-02-09 | Q2305193004 | ND |