Alachlor (Lasso)
Lakeway Harbor Subdivision
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
24
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-14 | Q1806270008 | ND |
| 2018-05-25 | Q1821195001 | ND |
| 2018-08-29 | Q1834582002 | ND |
| 2018-10-31 | Q1843764002 | ND |
| 2019-03-20 | Q1911659007 | ND |
| 2019-06-04 | Q1931262001 | ND |
| 2019-09-04 | Q1962213001 | ND |
| 2019-11-06 | Q1975669001 | ND |
| 2020-03-18 | Q2012015003 | ND |
| 2020-06-04 | Q2022351001 | ND |
| 2020-09-11 | Q2036329001 | ND |
| 2020-11-12 | Q2044754003 | ND |
| 2021-03-10 | Q2106424001 | ND |
| 2021-05-26 | Q2113682001 | ND |
| 2021-08-16 | Q2121818001 | ND |
| 2021-10-12 | Q2128285001 | ND |
| 2022-01-10 | Q2200510001 | ND |
| 2022-06-13 | Q2216381002 | ND |
| 2022-08-25 | Q2225377001 | ND |
| 2022-10-21 | Q2232016001 | ND |
| 2023-01-12 | Q2301979004 | ND |
| 2023-04-27 | Q2315894001 | ND |
| 2023-07-27 | Q2330258001 | ND |
| 2023-10-13 | Q2343890001 | ND |