Alachlor (Lasso)
City of Austin Water & Wastewater
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
17
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 | 2 | 0 | ND |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 3 | 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 | AC46302 | ND |
| 2014-03-10 | AC46299 | ND |
| 2015-03-23 | AC85761 | ND |
| 2015-03-23 | AC85760 | ND |
| 2015-03-23 | AC85747 | ND |
| 2015-05-28 | AC93697 | ND |
| 2015-09-01 | AD05262 | ND |
| 2015-11-17 | AD13916 | ND |
| 2016-02-25 | AD25900 | ND |
| 2016-02-25 | AD25901 | ND |
| 2017-03-14 | AD75039 | ND |
| 2017-03-14 | AD75040 | ND |
| 2018-02-06 | AE12598 | ND |
| 2018-02-06 | AE12597 | ND |
| 2018-08-02 | AE35673 | ND |
| 2019-02-07 | AE53615 | ND |
| 2019-05-07 | AE65252 | ND |