1,3-Butadiene
Regional Water Authority
28
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 | 28 | 0 | ND |
| 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 |
|---|---|---|
| 2014-01-21 | 200389835 A | ND |
| 2014-01-21 | 200389845 A | ND |
| 2014-01-21 | 200389837 A | ND |
| 2014-01-21 | 200389839 A | ND |
| 2014-01-21 | 200389841 A | ND |
| 2014-01-21 | 200389833 A | ND |
| 2014-01-21 | 200389853 A | ND |
| 2014-01-21 | 200389843 A | ND |
| 2014-01-21 | 200389855 A | ND |
| 2014-01-22 | 200389861 A | ND |
| 2014-04-29 | 200394923 | ND |
| 2014-04-29 | 200394919 | ND |
| 2014-04-29 | 200394927 | ND |
| 2014-04-29 | 200394914 | ND |
| 2014-07-15 | 200399801 | ND |
| 2014-07-15 | 200399795 | ND |
| 2014-07-15 | 200399794 | ND |
| 2014-07-15 | 200399793 | ND |
| 2014-07-15 | 200399796 | ND |
| 2014-07-15 | 200399800 | ND |
| 2014-07-15 | 200399797 | ND |
| 2014-07-15 | 200399792 | ND |
| 2014-07-15 | 200399799 | ND |
| 2014-07-15 | 200399798 | ND |
| 2014-10-21 | 200406621 | ND |
| 2014-10-21 | 200406619 | ND |
| 2014-10-21 | 200406625 | ND |
| 2014-10-21 | 200406627 | ND |