Trifluralin
Clear Lake City Water Authority
Trifluralin is a herbicide that is used on food crops and non-agricultural lands. It was banned in Europe in the late 2000s, primarily due to its ecological toxicity.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 4 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 3 | 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
EWG Health Guideline 4 ppb
The EWG Health Guideline of 4 ppb for trifluralin was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-02-26 | AC44843 | ND |
2014-02-26 | AC44842 | ND |
2014-04-22 | AC51433 | ND |
2014-06-24 | AC57881 | ND |
2015-01-20 | AC76883 | ND |
2015-01-20 | AC76882 | ND |
2015-01-20 | AC76886 | ND |
2015-01-20 | AC76896 | ND |
2015-01-20 | AC76895 | ND |
2016-01-19 | AD18749 | ND |
2016-01-19 | AD18748 | ND |
2016-06-20 | AD41243 | ND |
2016-06-20 | AD41245 | ND |
2017-01-19 | AD65887 | ND |
2017-03-08 | AD74149 | ND |
2017-03-08 | AD74150 | ND |
2018-02-20 | AE14527 | ND |
2018-03-12 | AE18009 | ND |
2018-03-12 | AE18008 | ND |
2018-04-24 | AE23819 | ND |
2019-02-27 | AE56364 | ND |
2019-02-27 | AE56366 | ND |
2019-02-27 | AE56365 | ND |