3-Hydroxycarbofuran
Helena Water System
3-Hydroxycarbofuran is a breakdown product of the insecticide carbofuran, once widely used on food crops and banned by the EPA due to its effects on the human nervous system.
6
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 3 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 3 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-05-21 | H15050319-001C | ND |
| 2015-05-21 | H15050319-002C | ND |
| 2015-05-21 | H15050319-003C | ND |
| 2017-08-22 | H17080438-001C | ND |
| 2017-08-22 | H17080438-002C | ND |
| 2017-08-22 | H17080438-003C | ND |