Alachlor (Lasso)
Aqua Pa Shenango Valley WTP
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
9
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 | ND | 1 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 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 |
|---|---|---|
| 2019-08-08 | 3050660001 | ND |
| 2020-05-04 | 22343458.00 | ND |
| 2020-07-14 | 22733407.00 | ND |
| 2021-08-16 | 25153652.00 | ND |
| 2022-02-15 | 26228685.00 | ND |
| 2022-08-01 | 27372360.00 | ND |
| 2022-10-11 | 27763279.00 | ND |
| 2023-04-05 | 28834292.00 | ND |
| 2023-07-10 | 29430279.00 | ND |