Trifluralin
City of Houston Utility District 5 - Kingwood
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 | 1 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-08-15 | AC64084 | ND |
2015-01-16 | AC76657 | ND |
2015-06-08 | AC95033 | ND |
2015-06-08 | AC95034 | ND |
2015-06-08 | AC95035 | ND |
2016-03-09 | AD28037 | ND |
2016-04-05 | AD31891 | ND |
2017-04-27 | AD81610 | ND |
2017-04-27 | AD81591 | ND |
2018-01-31 | AE12002 | ND |
2018-01-31 | AE12023 | ND |
2018-01-31 | AE12003 | ND |
2018-01-31 | AE11999 | ND |
2019-01-22 | AE50788 | ND |
2019-03-12 | AE58135 | ND |
2019-04-11 | AE62162 | ND |
2019-07-22 | AE75409 | ND |
2019-10-11 | AE86503 | ND |