Alachlor (Lasso)
Columbus Public Water System
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
42
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 | 10 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | 0.0783 ppb | 6 | 2 | ND - 0.240 ppb |
| 2017 | 0.237 ppb | 6 | 4 | ND - 0.370 ppb |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2014-04-02 | 2014-30198-PEST | ND |
| 2014-04-02 | 2014-30200-PEST | ND |
| 2014-04-14 | 14-14643-02C | ND |
| 2014-04-14 | 14-14643-01C | ND |
| 2014-05-05 | 2014-31121-PEST | ND |
| 2014-05-05 | 2014-31123-PEST | ND |
| 2014-06-02 | 2014-31794-PEST | ND |
| 2014-06-02 | 2014-31796-PEST | ND |
| 2014-06-09 | 14-17579-02 | ND |
| 2014-06-09 | 14-17579-01 | ND |
| 2015-01-07 | 2015-38127-PEST | ND |
| 2015-04-06 | 2015-40406-PEST | ND |
| 2015-04-07 | 2015-40408-PEST | ND |
| 2015-05-04 | 2015-41190-PEST | ND |
| 2015-05-04 | 2015-41192-PEST | ND |
| 2015-06-01 | 2015-42104-PEST | ND |
| 2015-06-01 | 2015-42106-PEST | ND |
| 2016-04-04 | 2016-50869-PEST | ND |
| 2016-04-04 | 2016-50871-PEST | ND |
| 2016-05-03 | 2016-51803-PEST | 0.230 ppb |
| 2016-05-03 | 2016-51805-PEST | 0.240 ppb |
| 2016-06-06 | 2016-52808-PEST | ND |
| 2016-06-06 | 2016-52810-PEST | ND |
| 2017-04-03 | 2017-62113-PEST | 0.360 ppb |
| 2017-04-03 | 2017-62111-PEST | 0.360 ppb |
| 2017-05-01 | 2017-62933-PEST | ND |
| 2017-05-01 | 2017-62931-PEST | ND |
| 2017-06-05 | 2017-64014-PEST | 0.330 ppb |
| 2017-06-05 | 2017-64012-PEST | 0.370 ppb |
| 2018-02-06 | 2018-71247-PEST | ND |
| 2018-04-02 | 2018-73596-PEST | ND |
| 2018-04-02 | 2018-73598-PEST | ND |
| 2018-05-07 | 2018-75343-PEST | ND |
| 2018-05-07 | 2018-75341-PEST | ND |
| 2018-06-04 | 2018-76823-PEST | ND |
| 2018-06-04 | 2018-76821-PEST | ND |
| 2019-04-01 | 2019-91119-PEST | ND |
| 2019-04-01 | 2019-91117-PEST | ND |
| 2019-05-06 | 2019-92839-PEST | ND |
| 2019-05-06 | 2019-92837-PEST | ND |
| 2019-06-03 | 2019-94281-PEST | ND |
| 2019-06-03 | 2019-94279-PEST | ND |