Alachlor (Lasso)
Altoona Water Authority
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
22
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 12 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 10 | 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 |
|---|---|---|
| 2020-05-18 | 22286940.00 | ND |
| 2020-05-18 | 22286913.00 | ND |
| 2020-05-18 | 22286967.00 | ND |
| 2020-05-21 | 22483942.00 | ND |
| 2020-05-21 | 22483996.00 | ND |
| 2020-05-21 | 22483968.00 | ND |
| 2020-07-15 | 22676323.00 | ND |
| 2020-07-15 | 22676350.00 | ND |
| 2020-07-15 | 22676156.00 | ND |
| 2020-07-16 | 22869597.00 | ND |
| 2020-07-16 | 22676404.00 | ND |
| 2020-07-16 | 22676377.00 | ND |
| 2023-05-03 | 28974769.00 | ND |
| 2023-05-03 | 28974802.00 | ND |
| 2023-05-04 | 28974709.00 | ND |
| 2023-05-23 | 28975139.00 | ND |
| 2023-05-25 | 29180133.00 | ND |
| 2023-08-02 | 29571019.00 | ND |
| 2023-08-02 | 29570998.00 | ND |
| 2023-08-03 | 29571058.00 | ND |
| 2023-08-03 | 29571079.00 | ND |
| 2023-08-10 | 29571111.00 | ND |