1,3-Butadiene
Middleton Waterworks
10
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 |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 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 |
|---|---|---|
| 2014-10-16 | 826236-12621 | ND |
| 2014-10-16 | 826240-12621 | ND |
| 2014-10-20 | 826538-12665 | ND |
| 2014-10-21 | 827010-12665 | ND |
| 2014-11-19 | 832487-12896 | ND |
| 2015-04-06 | 852112-13791 | ND |
| 2015-04-08 | 853088-13851 | ND |
| 2015-04-13 | 853827-13862 | ND |
| 2015-04-15 | 854584-13862 | ND |
| 2015-04-27 | 856608-13979 | ND |