Alachlor (Lasso)
Golden State Water Company (GSWC) - Southwest
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 | N/A | 0 | 0 | N/A |
2015 | ND | 1 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 11 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-12-16 | 9590-038-0920 | ND |
2016-04-04 | 9590-011-1147 | ND |
2016-05-05 | 2706-064-1058 | ND |
2016-07-07 | 2706-064-0725 | ND |
2016-07-21 | 2706-011-0830 | ND |
2016-10-25 | 2706-064-1047 | ND |
2017-02-23 | 9590-073-0924 | ND |
2017-03-23 | 9590-011-1240 | ND |
2017-03-29 | 9590-039-1235 | ND |
2017-03-29 | 9590-045-1145 | ND |
2017-03-30 | 9590-038-0725 | ND |
2017-04-13 | 9590-064-0754 | ND |
2017-06-06 | 9590-011-1036 | ND |
2017-06-21 | 9590-073-1210 | ND |
2017-07-18 | 9590-064-0956 | ND |
2017-07-31 | 9590-073-1415 | ND |
2017-10-09 | 9590-073-0803 | ND |