Alachlor (Lasso)
Town of Ponder
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
17
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 | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-03-07 | Q1809461007 | ND |
| 2018-03-07 | Q1809461008 | ND |
| 2018-03-13 | Q1810192003 | ND |
| 2019-04-04 | Q1913697005 | ND |
| 2019-04-04 | Q1913697012 | ND |
| 2019-04-04 | Q1913697016 | ND |
| 2020-10-08 | Q2039550001 | ND |
| 2020-10-08 | Q2039550016 | ND |
| 2021-06-28 | Q2116757001 | ND |
| 2021-06-28 | Q2116757005 | ND |
| 2021-06-28 | Q2116757002 | ND |
| 2022-06-30 | Q2218550005 | ND |
| 2022-06-30 | Q2218550010 | ND |
| 2022-06-30 | Q2218550011 | ND |
| 2023-09-14 | Q2339666012 | ND |
| 2023-09-14 | Q2339666013 | ND |
| 2023-11-30 | Q2351086001 | ND |