1,3-Butadiene
Onalaska Waterworks
8
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 | ND | 8 | 0 | ND |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 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 0.0103 ppb
The EWG Health Guideline of 0.0103 ppb for 1,3-butadiene was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-02-20 | 706277-8200 | ND |
| 2013-02-20 | 706279-8200 | ND |
| 2013-02-20 | 706273-8189 | ND |
| 2013-02-20 | 706267-8189 | ND |
| 2013-08-20 | 738998-9568 | ND |
| 2013-08-20 | 739004-9568 | ND |
| 2013-08-20 | 738995-9568 | ND |
| 2013-08-21 | 739207-9584 | ND |