Alachlor (Lasso)
White Plains City
NOTE: White Plains City purchases water from Westchester County Water District #1 which is required to test for alachlor (lasso). Sample information shown below was taken by Westchester County Water District #1.
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 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
NOTE: White Plains City purchases water from Westchester County Water District #1 which is required to test for alachlor (lasso). Sample information shown below was taken by Westchester County Water District #1.
| Date | Lab ID | Result |
|---|---|---|
| 2014-12-01 | AQ24568SOC | ND |
| 2016-09-06 | AS19150 SOC WD#1 | ND |
| 2016-09-06 | AS19152 SOC WD#1 | ND |
| 2017-11-13 | AT23824SOCS | ND |
| 2017-11-13 | AT23822SOCS | ND |
| 2018-09-24 | AU20758WD1 SOCS | ND |
| 2018-09-24 | AU20757WD1 SOCS | ND |
| 2018-12-03 | AU25856WD1 SOCS | ND |
| 2019-11-12 | AV23850D SOCS | ND |
| 2019-11-12 | AV23849D SOCS | ND |