Alachlor (Lasso)
United Water Pennsylvania
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
10
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 | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2019-04-08 | H9D0659-01 | ND |
| 2019-08-08 | H9H0722-02 | ND |
| 2020-04-06 | 22161333.00 | ND |
| 2020-04-06 | 22161369.00 | ND |
| 2020-08-19 | 22944717.00 | ND |
| 2020-08-19 | 22944754.00 | ND |
| 2023-04-24 | 28847814.00 | ND |
| 2023-04-24 | 28847844.00 | ND |
| 2023-07-10 | 29443839.00 | ND |
| 2023-09-06 | 29836479.00 | ND |