Alachlor (Lasso)
City of San Diego
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 9 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 12 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 9 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-02-05 | 9437-010-0000 | ND |
2014-02-05 | 9437-006-0000 | ND |
2014-02-05 | 9437-001-0000 | ND |
2014-05-07 | 9437-010-0000 | ND |
2014-05-07 | 9437-006-0000 | ND |
2014-05-07 | 9437-001-0000 | ND |
2014-08-06 | 9437-010-0000 | ND |
2014-08-06 | 9437-006-0000 | ND |
2014-08-06 | 9437-001-0000 | ND |
2015-05-06 | 9437-001-0000 | ND |
2015-05-06 | 9437-006-0000 | ND |
2015-05-06 | 9437-010-0000 | ND |
2015-11-18 | 9437-001-0000 | ND |
2015-11-18 | 9437-010-0000 | ND |
2015-11-18 | 9437-006-0000 | ND |
2016-02-08 | 9437-006-0000 | ND |
2016-02-08 | 9437-001-0000 | ND |
2016-02-08 | 9437-010-0000 | ND |
2016-05-04 | 9437-006-0000 | ND |
2016-05-04 | 9437-001-0000 | ND |
2016-05-04 | 9437-010-0000 | ND |
2016-08-03 | 9437-006-0000 | ND |
2016-08-03 | 9437-010-0000 | ND |
2016-08-03 | 9437-001-0000 | ND |
2016-11-02 | 9437-006-0000 | ND |
2016-11-02 | 9437-001-0000 | ND |
2016-11-02 | 9437-010-0000 | ND |
2017-02-01 | 9437-001-0000 | ND |
2017-02-01 | 9437-006-0000 | ND |
2017-02-01 | 9437-010-0000 | ND |
2017-05-03 | 9437-010-0000 | ND |
2017-05-03 | 9437-001-0000 | ND |
2017-05-03 | 9437-006-0000 | ND |
2017-11-01 | 9437-006-0000 | ND |
2017-11-01 | 9437-001-0000 | ND |
2018-05-09 | 0007-030-0810 | ND |
2018-06-13 | 0007-001-0700 | ND |
2018-06-13 | 0007-006-0850 | ND |
2018-06-14 | 0007-010-1020 | ND |
2018-09-05 | 0007-030-0915 | ND |
2018-11-06 | 0007-030-0930 | ND |
2018-11-14 | 0007-006-1025 | ND |
2018-11-14 | 0007-001-0655 | ND |
2018-11-14 | 0007-010-0745 | ND |
2019-05-08 | 9437-010-0000 | ND |
2019-05-08 | 9437-001-0000 | ND |
2019-05-08 | 9437-006-0000 | ND |