1,3-Butadiene
Manchester Water Department
16
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 | 16 | 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 |
|---|---|---|
| 2014-03-03 | 35128814003AM | ND |
| 2014-03-03 | 35128814001AM | ND |
| 2014-03-03 | 35128814005AM | ND |
| 2014-03-04 | 35128919003AM | ND |
| 2014-03-04 | 35128919001AM | ND |
| 2014-03-31 | 35132407001AM | ND |
| 2014-03-31 | 35132407003AM | ND |
| 2014-06-17 | 35142680001AM | ND |
| 2014-09-08 | 35154373003AM | ND |
| 2014-09-08 | 35154373001AM | ND |
| 2014-09-09 | 35154734003AM | ND |
| 2014-09-09 | 35154734001AM | ND |
| 2014-09-10 | 35154778001AM | ND |
| 2014-09-10 | 35154778003AM | ND |
| 2014-09-16 | 35155693001AM | ND |
| 2014-12-15 | 35168214001AM | ND |