Alachlor (Lasso)
Colonial Heights-meadowbrook
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2016-04-19 | CZ03207-01 | ND |
| 2016-07-12 | CZ08356-01 | ND |
| 2016-10-18 | CZ13762-01 | ND |
| 2017-01-24 | CZ18746-01 | ND |
| 2017-04-20 | CA02891-01 | ND |
| 2017-07-24 | CA07718-01 | ND |
| 2017-10-31 | CA13213-01 | ND |
| 2018-02-27 | CA18227-01 | ND |
| 2018-05-30 | CB03293-01 | ND |
| 2019-04-17 | CC04102-01 | ND |