Alachlor (Lasso)
Harford County Department of Public Works
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 6 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 7 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2014-03-25 | 0120016_01_L4988 | ND |
2014-04-14 | 0120016_03_L5015 | ND |
2014-07-22 | 0120016_01_00029 | ND |
2014-07-22 | 0120016_03_00029 | ND |
2014-09-03 | 0120016_03_20271 | ND |
2014-10-20 | 0120016_02_00148 | ND |
2015-04-06 | 2063479001B | ND |
2015-07-06 | L5692388-1 | ND |
2015-10-19 | E16001689007 | ND |
2015-10-19 | E16001689009 | ND |
2016-04-04 | L6167673_1_A | ND |
2016-05-09 | E16004258004 | ND |
2016-05-09 | E16004258006 | ND |
2016-05-09 | E16004258002 | ND |
2016-07-11 | 3496449 | ND |
2017-04-05 | 3672580_A | ND |
2017-04-05 | 3672580 | ND |
2017-04-19 | E17004140001 | ND |
2017-04-19 | E17004139001 | ND |
2017-06-19 | E17005021001 | ND |
2017-06-26 | 3720780_81 | ND |
2017-07-10 | 2245174002 | ND |
2018-05-07 | 8051040_01 | ND |
2018-06-04 | E18004355009 | ND |
2018-06-04 | E18004355007 | ND |
2018-06-04 | E18004355011 | ND |
2019-05-14 | 9050789_01 | ND |
2019-07-31 | E20000444001 | ND |
2019-08-13 | 9080708_01 | ND |