1,3-Butadiene
Cary
16
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 | 16 | 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 |
|---|---|---|
| 2013-05-14 | 719803-8896 | ND |
| 2013-05-14 | 719801-8831 | ND |
| 2013-05-14 | 719799-8831 | ND |
| 2013-05-20 | 720658-8896 | ND |
| 2013-05-20 | 720656-8896 | ND |
| 2013-05-20 | 720660-8896 | ND |
| 2013-05-21 | 721078-8898 | ND |
| 2013-05-21 | 721076-8898 | ND |
| 2013-11-18 | 759581-10309 | ND |
| 2013-11-18 | 759579-10309 | ND |
| 2013-11-18 | 759464-10309 | ND |
| 2013-11-18 | 759462-10309 | ND |
| 2013-11-18 | 759466-10309 | ND |
| 2013-11-22 | 760430-10340 | ND |
| 2013-11-22 | 760428-10340 | ND |
| 2013-11-22 | 760426-10340 | ND |