Alachlor (Lasso)
La Verne WD
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 | N/A | 0 | 0 | N/A |
2015 | ND | 14 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 21 | 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 |
---|---|---|
2015-02-11 | 4790-008-1220 | ND |
2015-02-11 | 4790-012-1150 | ND |
2015-02-11 | 4790-010-1230 | ND |
2015-02-18 | 4790-039-0810 | ND |
2015-02-25 | 4790-046-1315 | ND |
2015-02-25 | 4790-032-1250 | ND |
2015-05-13 | 4790-016-0740 | ND |
2015-05-13 | 4790-032-1107 | ND |
2015-05-20 | 4790-010-0854 | ND |
2015-05-20 | 4790-009-0921 | ND |
2015-05-20 | 4790-008-0913 | ND |
2015-05-27 | 4790-039-0711 | ND |
2015-05-27 | 4790-046-1208 | ND |
2015-05-27 | 4790-012-0615 | ND |
2016-11-03 | 4790-018-1000 | ND |
2017-03-22 | 4790-018-1345 | ND |
2017-08-03 | 4790-018-0750 | ND |
2018-02-21 | 4790-032-1000 | ND |
2018-02-21 | 4790-016-0820 | ND |
2018-02-21 | 4790-046-0910 | ND |
2018-02-21 | 4790-012-1130 | ND |
2018-02-21 | 4790-010-0930 | ND |
2018-02-21 | 4790-008-0940 | ND |
2018-02-21 | 4790-009-0950 | ND |
2018-05-09 | 4790-016-1031 | ND |
2018-05-09 | 4790-012-0801 | ND |
2018-05-09 | 4790-046-0909 | ND |
2018-05-09 | 4790-010-1013 | ND |
2018-05-09 | 4790-032-1047 | ND |
2018-05-09 | 4790-008-0945 | ND |
2018-05-09 | 4790-009-0957 | ND |
2018-08-01 | 4790-046-0846 | ND |
2018-08-01 | 4790-012-0731 | ND |
2018-08-01 | 4790-008-0934 | ND |
2018-08-01 | 4790-032-1022 | ND |
2018-08-01 | 4790-009-0958 | ND |
2018-08-01 | 4790-010-0910 | ND |
2018-08-01 | 4790-016-1059 | ND |
2019-09-18 | 4790-039-0940 | ND |
2019-12-04 | 4790-039-1018 | ND |