Alachlor (Lasso)
Ashwaubenon Waterworks
NOTE: Ashwaubenon Waterworks purchases water from Green Bay Waterworks which is required to test for alachlor (lasso). Sample information shown below was taken by Green Bay Waterworks.
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 3 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 2 | 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
NOTE: Ashwaubenon Waterworks purchases water from Green Bay Waterworks which is required to test for alachlor (lasso). Sample information shown below was taken by Green Bay Waterworks.
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-19 | 790048 | ND |
| 2014-05-19 | 790052 | ND |
| 2014-05-19 | 790071 | ND |
| 2014-05-19 | 790061 | ND |
| 2014-05-19 | 790086 | ND |
| 2014-05-19 | 790082 | ND |
| 2014-05-19 | 790057 | ND |
| 2014-08-04 | 807969 | ND |
| 2017-04-17 | 983518 | ND |
| 2017-07-10 | 1002719 | ND |