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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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
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 |
|---|---|---|
| 2015-03-11 | 201503170492 | ND |
| 2015-08-20 | 201508260569 | ND |
| 2015-10-15 | 201510200094 | ND |
| 2016-09-08 | 6I13035-05 | ND |
| 2016-09-08 | 6I13035-04 | ND |
| 2017-02-23 | 201703010881 | ND |
| 2017-09-14 | 201709191268 | ND |
| 2017-09-14 | 201709191272 | ND |
| 2017-09-14 | 201709191270 | ND |
| 2017-09-14 | 201709191271 | ND |
| 2019-09-26 | 201910010466 | ND |