Alachlor (Lasso)
Horsham Water&sewer Authority
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
24
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 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 24 | 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 |
|---|---|---|
| 2023-02-08 | 28520601.00 | ND |
| 2023-02-08 | 28520532.00 | ND |
| 2023-02-15 | 28520578.00 | ND |
| 2023-02-15 | 28520555.00 | ND |
| 2023-03-01 | 28520631.00 | ND |
| 2023-03-01 | 28520659.00 | ND |
| 2023-04-18 | 28899769.00 | ND |
| 2023-04-18 | 28899640.00 | ND |
| 2023-04-18 | 28900342.00 | ND |
| 2023-04-18 | 29107848.00 | ND |
| 2023-04-18 | 28899713.00 | ND |
| 2023-04-18 | 28899741.00 | ND |
| 2023-07-20 | 29496858.00 | ND |
| 2023-07-20 | 29496831.00 | ND |
| 2023-07-27 | 29496889.00 | ND |
| 2023-07-27 | 29496917.00 | ND |
| 2023-08-10 | 29699529.00 | ND |
| 2023-08-10 | 29699501.00 | ND |
| 2023-10-26 | 30071313.00 | ND |
| 2023-10-26 | 30071341.00 | ND |
| 2023-10-26 | 30070806.00 | ND |
| 2023-10-26 | 30071397.00 | ND |
| 2023-10-26 | 30070834.00 | ND |
| 2023-10-26 | 30071369.00 | ND |