Alachlor (Lasso)
Maysville PWS
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 | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | 0.235 ppb | 4 | 1 | ND - 0.940 ppb |
2017 | 0.120 ppb | 4 | 1 | ND - 0.480 ppb |
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 |
---|---|---|
2014-02-10 | AC18932 | ND |
2014-05-15 | AC23685 | ND |
2014-08-12 | AC32469 | ND |
2014-11-17 | AC38682 | ND |
2015-02-09 | AC42498 | ND |
2015-05-11 | AC47055 | ND |
2015-08-18 | AC58026 | ND |
2015-11-09 | AC63201 | ND |
2016-02-11 | AC66874 | ND |
2016-05-09 | AC72556 | ND |
2016-08-14 | AC82235 | 0.940 ppb |
2016-11-14 | AC87737 | ND |
2017-02-07 | AC91324 | 0.480 ppb |
2017-05-15 | AC96266 | ND |
2017-08-21 | AD04040 | ND |
2017-11-21 | AD09851 | ND |
2018-02-12 | AD14804 | ND |
2018-05-07 | AD20807 | ND |
2018-08-06 | AD31581 | ND |
2018-11-08 | AD36090 | ND |
2019-02-27 | AD39892 | ND |
2019-05-20 | AD47774 | ND |
2019-08-12 | AD54365 | ND |
2019-11-12 | AD58390 | ND |