Alachlor (Lasso)
Tarentum Borough Water Department
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 |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 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
Date | Lab ID | Result |
---|---|---|
2014-04-29 | 14050137-001 | ND |
2014-08-25 | 14090051-001 | ND |
2016-06-21 | 14489615 | ND |
2017-05-09 | 16177255 | ND |
2017-07-25 | 16647286 | ND |
2018-04-17 | 8044182-01 | ND |
2019-04-09 | 9043744-01 | ND |