1,3-Butadiene
California Water Service (CWS) - Selma
18
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 | 17 | 0 | ND |
| 2015 | ND | 1 | 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 |
|---|---|---|
| 2014-02-05 | A4A1432-05A | ND |
| 2014-02-05 | A4A1432-07A | ND |
| 2014-02-05 | A4A1432-03A | ND |
| 2014-02-05 | A4A1432-01A | ND |
| 2014-02-12 | A4A1448-03A | ND |
| 2014-02-12 | A4A1442-01A | ND |
| 2014-02-12 | A4A1442-05A | ND |
| 2014-02-12 | A4A1448-05A | ND |
| 2014-02-12 | A4A1442-03A | ND |
| 2014-08-13 | A4G2805-01A | ND |
| 2014-08-13 | A4G2802-01A | ND |
| 2014-08-13 | A4G2799-01A | ND |
| 2014-08-19 | A4G2158-01A | ND |
| 2014-08-19 | A4G2161-01A | ND |
| 2014-08-19 | A4G2159-01A | ND |
| 2014-08-19 | A4H0220-01A | ND |
| 2014-08-26 | A4H1894-01A | ND |
| 2015-06-04 | 201506050606AM | ND |