1,3-Butadiene
California American Water Company - Parkway
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 |
|---|---|---|---|---|
| 2014 | ND | 10 | 0 | ND |
| 2015 | ND | 12 | 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 |
|---|---|---|
| 2014-12-02 | 27680001 | ND |
| 2014-12-02 | 27681501 | ND |
| 2014-12-02 | 27679801 | ND |
| 2014-12-02 | 27680201 | ND |
| 2014-12-03 | 27681201 | ND |
| 2014-12-03 | 27681001 | ND |
| 2014-12-04 | 27680801 | ND |
| 2014-12-04 | 27680401 | ND |
| 2014-12-16 | 27680601 | ND |
| 2014-12-17 | 27681701 | ND |
| 2015-03-19 | 28476801 | ND |
| 2015-06-09 | 29308101 | ND |
| 2015-06-09 | 29307901 | ND |
| 2015-06-11 | 29308301 | ND |
| 2015-06-17 | 29308901 | ND |
| 2015-06-17 | 29308701 | ND |
| 2015-06-18 | 29308501 | ND |
| 2015-06-18 | 29307501 | ND |
| 2015-06-18 | 29306901 | ND |
| 2015-06-23 | 29307301 | ND |
| 2015-06-23 | 29307101 | ND |
| 2015-09-17 | 30238501 | ND |