1,3-Butadiene
Chowchilla City Water Department
15
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 | 14 | 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 |
|---|---|---|
| 2014-02-11 | A4A1839-09A | ND |
| 2014-02-11 | A4A1839-13A | ND |
| 2014-02-11 | A4A1839-11A | ND |
| 2014-02-11 | A4A1839-01A | ND |
| 2014-02-11 | A4A1839-03A | ND |
| 2014-02-11 | A4A1839-05A | ND |
| 2014-05-20 | A4E1287-01A | ND |
| 2014-08-26 | A4H0115-36A | ND |
| 2014-08-26 | A4H0115-13A | ND |
| 2014-08-26 | A4H0115-16A | ND |
| 2014-08-26 | A4H0115-19A | ND |
| 2014-08-26 | A4H0115-04A | ND |
| 2014-08-26 | A4H0115-01A | ND |
| 2014-08-26 | A4H0115-10A | ND |
| 2015-03-03 | A5A2112-01A | ND |