Alachlor (Lasso)
Public Wholesale WSD 5
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | 0.0580 ppb | 5 | 1 | ND - 0.290 ppb |
2016 | ND | 4 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-06-02 | 123229 | ND |
2014-10-06 | 210120 | ND |
2015-01-05 | 258119 | ND |
2015-04-06 | 309367 | 0.290 ppb |
2015-05-25 | 337636 | ND |
2015-07-06 | 362023 | ND |
2015-10-05 | 417399 | ND |
2016-01-04 | 469359 | ND |
2016-04-11 | 526515 | ND |
2016-05-16 | 547604 | ND |
2016-07-11 | 580907 | ND |
2017-06-05 | 771394 | ND |
2018-05-15 | 970833 | ND |
2019-05-13 | 1157825 | ND |