Alachlor (Lasso)
High Meadows Ranch Water Supply
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
8
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2016-12-09 | AD62027 | ND |
2016-12-09 | AD62026 | ND |
2017-02-10 | AD70492 | ND |
2017-05-01 | AD81987 | ND |
2017-07-28 | AD91477 | ND |
2017-11-16 | AE05243 | ND |
2019-11-18 | AE89654 | ND |
2019-11-18 | AE89655 | ND |