Alachlor (Lasso)
Ellsworth County Rural Water District 1
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
12
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 | ND | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-05-20 | 117246 | ND |
| 2014-06-25 | 138187 | ND |
| 2015-07-13 | 366321 | ND |
| 2016-06-27 | 570725 | ND |
| 2017-05-30 | 768263 | ND |
| 2017-09-11 | 838813 | ND |
| 2018-06-11 | 986501 | ND |
| 2018-10-16 | 1061510 | ND |
| 2019-02-11 | 1119362 | ND |
| 2019-05-05 | 1157943 | ND |
| 2019-08-06 | 1219529 | ND |
| 2019-11-05 | 1268852 | ND |