Alachlor (Lasso)
Slippery Rock Municipal Authority
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
12
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 4 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-03-15 | 2302800001 | ND |
| 2018-06-21 | 2322849001 | ND |
| 2018-09-27 | 2341473001 | ND |
| 2018-12-12 | 8122985-01 | ND |
| 2020-04-09 | 22126566.00 | ND |
| 2020-04-09 | 22126596.00 | ND |
| 2020-07-09 | 22709970.00 | ND |
| 2020-08-19 | 22906862.00 | ND |
| 2023-05-04 | 29011980.00 | ND |
| 2023-05-04 | 29011981.00 | ND |
| 2023-08-10 | 29609029.00 | ND |
| 2023-08-10 | 29609058.00 | ND |