Alachlor (Lasso)
Hardin County Water District #1/Ft. Knox
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
16
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2014-03-10 | 2988440 | ND |
| 2014-04-01 | 3000548 | ND |
| 2014-10-22 | 3127165 | ND |
| 2014-10-27 | 3129159 | ND |
| 2015-03-03 | 3197992 | ND |
| 2015-04-15 | 3225020 | ND |
| 2016-03-09 | 3412095 | ND |
| 2016-10-03 | 3557257 | ND |
| 2017-06-28 | 3722934 | ND |
| 2017-07-17 | 3734021 | ND |
| 2017-10-03 | 3792362 | ND |
| 2017-10-03 | 3792352 | ND |
| 2018-05-15 | 3937161 | ND |
| 2018-06-06 | 3954321 | ND |
| 2019-05-29 | 4309723 | ND |
| 2019-10-03 | 4444492 | ND |