1,3-Butadiene
City of Madera
33
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 | 33 | 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 |
|---|---|---|
| 2014-03-20 | A4C0742-05A | ND |
| 2014-03-20 | A4C0742-11A | ND |
| 2014-03-20 | A4C0742-09A | ND |
| 2014-03-20 | A4C0742-19A | ND |
| 2014-03-20 | A4C0742-15A | ND |
| 2014-03-20 | A4C0742-17A | ND |
| 2014-03-20 | A4C0742-03A | ND |
| 2014-03-20 | A4C0742-01A | ND |
| 2014-03-20 | A4C0742-07A | ND |
| 2014-03-20 | A4C0742-31A | ND |
| 2014-03-20 | A4C0742-29A | ND |
| 2014-03-20 | A4C0742-25A | ND |
| 2014-03-20 | A4C0742-33A | ND |
| 2014-03-20 | A4C0742-27A | ND |
| 2014-03-20 | A4C0742-23A | ND |
| 2014-03-20 | A4C0742-35A | ND |
| 2014-03-20 | A4C0742-21A | ND |
| 2014-09-25 | A4I0631-01A | ND |
| 2014-09-25 | A4I0631-16A | ND |
| 2014-09-25 | A4I0631-19A | ND |
| 2014-09-25 | A4I0631-31A | ND |
| 2014-09-25 | A4I0631-22A | ND |
| 2014-09-25 | A4I0631-37A | ND |
| 2014-09-25 | A4I0631-25A | ND |
| 2014-09-25 | A4I0631-04A | ND |
| 2014-09-25 | A4I0631-28A | ND |
| 2014-09-25 | A4I0631-13A | ND |
| 2014-09-25 | A4I0631-07A | ND |
| 2014-09-25 | A4I0631-10A | ND |
| 2014-09-25 | A4I0631-34A | ND |
| 2014-09-25 | A4I0631-46A | ND |
| 2014-09-25 | A4I0631-43A | ND |
| 2014-09-25 | A4I0631-40A | ND |