1,3-Butadiene
City of Rohnert Park
20
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 20 | 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 |
|---|---|---|
| 2015-05-27 | 201505280295AM | ND |
| 2015-05-27 | 201505280298AM | ND |
| 2015-05-27 | 201505280194AM | ND |
| 2015-05-27 | 201505280303AM | ND |
| 2015-05-27 | 201505280186AM | ND |
| 2015-05-27 | 201505280190AM | ND |
| 2015-05-27 | 201505280207AM | ND |
| 2015-05-27 | 201505280301AM | ND |
| 2015-05-27 | 201505280192AM | ND |
| 2015-05-27 | 201505280178AM | ND |
| 2015-11-03 | 201509150119AM | ND |
| 2015-11-03 | 201509150118AM | ND |
| 2015-11-03 | 201509150116AM | ND |
| 2015-11-03 | 201509150112AM | ND |
| 2015-11-03 | 201509150114AM | ND |
| 2015-11-10 | 201511120353AM | ND |
| 2015-11-10 | 201511120124AM | ND |
| 2015-11-10 | 201511120122AM | ND |
| 2015-11-23 | 201511250374AM | ND |
| 2015-11-23 | 201511250376AM | ND |