Alachlor (Lasso)
Mansfield Water System
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
16
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 | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-04-19 | 35387645001 | ND |
| 2018-04-19 | 35387645001 | ND |
| 2018-08-06 | 35409597001 | ND |
| 2018-08-06 | 35409597001 | ND |
| 2019-03-13 | 35454725001 | ND |
| 2019-03-13 | 35454725001 | ND |
| 2019-08-01 | 35486698001 | ND |
| 2019-08-01 | 35486698001 | ND |
| 2020-02-03 | 35528231001 | ND |
| 2020-09-22 | 35579680001 | ND |
| 2021-03-03 | 35616824004 | ND |
| 2021-08-17 | 35657244001 | ND |
| 2022-02-22 | 35699238003 | ND |
| 2022-08-22 | 35742155002 | ND |
| 2023-02-07 | 35778295005 | ND |
| 2023-08-21 | 35823285001 | ND |