Alachlor (Lasso)
Purcellville, Town of
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
13
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 | ND | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-07-31 | E140606685 | ND |
| 2014-08-21 | E140606718 | ND |
| 2015-02-18 | VA010-DCLS | ND |
| 2015-05-21 | VA010-DCLS | ND |
| 2015-08-06 | VA010-DCLS | ND |
| 2016-08-16 | E160700331 | ND |
| 2018-03-13 | E180100343 | ND |
| 2018-05-30 | E180303848 | ND |
| 2018-05-30 | E180303852 | ND |
| 2018-08-21 | E180601977 | ND |
| 2018-08-28 | E180601952 | ND |
| 2019-03-21 | E190302937 | ND |
| 2019-03-21 | E190302946 | ND |