Trifluralin
Ruth Water District
NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for trifluralin. Sample information shown below was taken by Ely Municipal Water Department.
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 2 | 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
NOTE: Ruth Water District purchases water from Ely Municipal Water Department which is required to test for trifluralin. Sample information shown below was taken by Ely Municipal Water Department.
| Date | Lab ID | Result |
|---|---|---|
| 2019-09-26 | 201910010466 | ND |
| 2022-03-10 | 202203160074 | ND |
| 2022-05-12 | 380-1966-1 | ND |
| 2022-07-07 | 380-9979-1 | ND |
| 2023-05-10 | 380-47459-1 | ND |
| 2023-11-08 | 380-71012-1 | ND |