Alachlor (Lasso)
City of Havre De Grace
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 | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 4 | 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 |
|---|---|---|
| 2014-04-09 | 0120012_01_D-14- | ND |
| 2014-07-22 | 0120012_01_00029 | ND |
| 2014-08-13 | 0120012_01_D-14- | ND |
| 2015-01-28 | 0120012_01_D-15- | ND |
| 2015-04-25 | D_15_562_A | ND |
| 2015-10-19 | E16001689003 | ND |
| 2016-05-09 | E16004258008 | ND |
| 2017-04-19 | E17004141001 | ND |
| 2017-06-01 | 7050409_1 | ND |
| 2017-06-29 | 7064519_01 | ND |
| 2017-08-08 | 7021889_01 | ND |
| 2018-06-04 | E18004355005 | ND |
| 2018-06-08 | 8020316_01 | ND |
| 2018-08-03 | 8050569_01 | ND |
| 2019-06-11 | 9020159_01 | ND |
| 2019-08-08 | 9050187_01 | ND |