2,4,5-T
Norwalk Water Department
2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) is a herbicide banned in the U.S. since 1985. It was formerly used on residential and commercial lawns, and occasionally on food crops. 2,4,5-T contained the impurity dioxin, which is highly toxic to people and wildlife.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 6 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 4 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-04-23 | 9588-002-1041 | ND |
2015-04-23 | 9588-003-1024 | ND |
2015-04-23 | 9588-012-0947 | ND |
2015-07-30 | 9588-002-1044 | ND |
2015-07-30 | 9588-003-1015 | ND |
2015-07-30 | 9588-012-0928 | ND |
2018-04-11 | 9588-002-0953 | ND |
2018-04-11 | 9588-003-0930 | ND |
2018-07-25 | 9588-002-1000 | ND |
2018-07-25 | 9588-003-0935 | ND |
2019-05-24 | 9588-012-0920 | ND |
2019-07-25 | 9588-012-0930 | ND |
2019-10-25 | 9588-012-0930 | ND |