Alachlor (Lasso)
Coraopolis Water & Sewer Authority
NOTE: Coraopolis Water & Sewer Authority purchases water from Moon Twp Municipal Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Moon Twp Municipal Authority.
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Samples
Samples exceeding legal limit (MCL)
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 | 4 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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
NOTE: Coraopolis Water & Sewer Authority purchases water from Moon Twp Municipal Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Moon Twp Municipal Authority.
| Date | Lab ID | Result |
|---|---|---|
| 2020-04-22 | 22308767.00 | ND |
| 2020-07-15 | 22698686.00 | ND |
| 2023-04-26 | 28999479.00 | ND |
| 2023-07-26 | 29395632.00 | ND |
| 2023-07-31 | 29395638.00 | ND |