Strontium
Portsmouth Water Works
Strontium is a metal that accumulates in the bones. Radioactive strontium-90 can cause bone cancer and leukemia, and any form of strontium at high doses can harm bone health.
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 | 0.140 ppb | 9 | 9 | 0.0397 ppb - 0.380 ppb |
| 2015 | 0.151 ppb | 9 | 9 | 0.0344 ppb - 0.379 ppb |
| 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 1,500 ppb
The EWG Health Guideline of 1,500 ppb for strontium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against harm to bones.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-21 | 35147413007AM | 0.250 ppb |
| 2014-07-21 | 35147413005AM | 0.380 ppb |
| 2014-07-21 | 35147413003AM | 0.163 ppb |
| 2014-07-21 | 35147413009AM | 0.0556 ppb |
| 2014-07-21 | 35147413011AM | 0.169 ppb |
| 2014-07-21 | 35147413013AM | 0.104 ppb |
| 2014-07-21 | 35147413001AM | 0.0580 ppb |
| 2014-10-27 | 35161945003AM | 0.0430 ppb |
| 2014-10-27 | 35161945001AM | 0.0397 ppb |
| 2015-02-10 | 35175709009AM | 0.0686 ppb |
| 2015-02-10 | 35175709007AM | 0.259 ppb |
| 2015-02-10 | 35175709001AM | 0.0508 ppb |
| 2015-02-10 | 35175709011AM | 0.173 ppb |
| 2015-02-10 | 35175709013AM | 0.158 ppb |
| 2015-02-10 | 35175709005AM | 0.379 ppb |
| 2015-02-10 | 35175709003AM | 0.162 ppb |
| 2015-04-07 | 35183708003AM | 0.0717 ppb |
| 2015-04-07 | 35183708001AM | 0.0344 ppb |