Alachlor (Lasso)
Westport Water Company
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
22
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-02-12 | 311599RS525-1401 | ND |
| 2014-05-14 | 317576RS525-1402 | ND |
| 2014-08-13 | 323258RS525-1403 | ND |
| 2014-11-12 | 328985RS525-1404 | ND |
| 2015-02-11 | 333994RS525-1501 | ND |
| 2015-05-13 | 340144RS525-1502 | ND |
| 2015-08-12 | 346358RS28-1503 | ND |
| 2015-11-12 | 352807RS525-1504 | ND |
| 2016-05-09 | 362616RS525-1602 | ND |
| 2016-11-14 | 377026RS525-1604 | ND |
| 2017-02-15 | 382899RS525-1701 | ND |
| 2017-05-11 | 388601RS525-1702 | ND |
| 2017-08-16 | 395862RS525-1703 | ND |
| 2017-11-15 | 403000RS525-1704 | ND |
| 2018-05-16 | 416919RS-1802 | ND |
| 2018-08-15 | 426351RS-1803 | ND |
| 2018-10-22 | 433811RS28-1804 | ND |
| 2018-11-14 | 436042RS525-1804 | ND |
| 2019-02-13 | 443362RS525-1901 | ND |
| 2019-05-15 | 452493RS525-1902 | ND |
| 2019-08-14 | 462001RS525-1903 | ND |
| 2019-11-13 | 471006RS-1904 | ND |