Trifluralin
Portsmouth Water Works
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.
21
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-01-27 | A400382001 | ND |
| 2014-01-27 | A400382002 | ND |
| 2014-01-27 | A400382003 | ND |
| 2014-02-03 | A400530002 | ND |
| 2014-02-03 | A400530003 | ND |
| 2014-02-03 | A400530001 | ND |
| 2014-07-17 | A405023001 | ND |
| 2015-01-20 | A500311003 | ND |
| 2015-01-20 | A500311006 | ND |
| 2015-01-20 | A500311005 | ND |
| 2015-01-20 | A500311004 | ND |
| 2015-01-20 | A500311002 | ND |
| 2015-01-20 | A500311001 | ND |
| 2015-07-08 | A504792001 | ND |
| 2016-02-03 | B600549002 | ND |
| 2016-02-03 | B600549004 | ND |
| 2016-02-03 | B600549006 | ND |
| 2016-02-08 | B600586002 | ND |
| 2016-02-08 | B600586004 | ND |
| 2016-02-08 | B600586006 | ND |
| 2016-08-18 | B607708002 | ND |