Trifluralin
Pierce, City of
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.
17
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 |
|---|---|---|---|---|
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-04-23 | 543502 | ND |
| 2018-11-19 | 577279 | ND |
| 2018-11-19 | 577280 | ND |
| 2019-04-22 | 603976 | ND |
| 2019-09-09 | 634550 | ND |
| 2019-10-07 | 638481 | ND |
| 2020-01-21 | 650644 | ND |
| 2020-04-06 | 667160 | ND |
| 2020-05-04 | 668242 | ND |
| 2020-07-06 | 681482 | ND |
| 2020-11-09 | 699970 | ND |
| 2021-04-27 | 727593 | ND |
| 2021-10-12 | 763938 | ND |
| 2021-11-01 | 763940 | ND |
| 2021-11-01 | 763939 | ND |
| 2022-10-24 | 833718 | ND |
| 2023-10-16 | 890918 | ND |