1,3-Butadiene
City of Granbury
22
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 | 10 | 0 | ND |
| 2014 | ND | 12 | 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 |
|---|---|---|
| 2013-12-18 | 2948860 | ND |
| 2013-12-18 | 2948899 | ND |
| 2013-12-18 | 2948880 | ND |
| 2013-12-18 | 2948907 | ND |
| 2013-12-18 | 2948830 | ND |
| 2013-12-18 | 2948917 | ND |
| 2013-12-18 | 2948871 | ND |
| 2013-12-18 | 2948889 | ND |
| 2013-12-19 | 2950139 | ND |
| 2013-12-19 | 2949465 | ND |
| 2014-03-19 | 2994566 | ND |
| 2014-06-17 | 3047265 | ND |
| 2014-06-17 | 3047598 | ND |
| 2014-06-17 | 3047360 | ND |
| 2014-06-17 | 3047431 | ND |
| 2014-06-17 | 3047543 | ND |
| 2014-06-17 | 3047589 | ND |
| 2014-06-26 | 3054005 | ND |
| 2014-06-26 | 3053892 | ND |
| 2014-06-26 | 3053979 | ND |
| 2014-06-26 | 3053830 | ND |
| 2014-09-17 | 3106660 | ND |