Strontium
Swansea Water District
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | 0.120 ppb | 24 | 24 | 0.0660 ppb - 0.232 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 | Result |
---|---|
2015-02-10 | 0.0894 ppb |
2015-02-10 | 0.207 ppb |
2015-02-10 | 0.103 ppb |
2015-02-10 | 0.122 ppb |
2015-02-12 | 0.164 ppb |
2015-02-12 | 0.153 ppb |
2015-02-12 | 0.155 ppb |
2015-02-12 | 0.0833 ppb |
2015-02-12 | 0.126 ppb |
2015-02-12 | 0.110 ppb |
2015-05-21 | 0.0806 ppb |
2015-05-21 | 0.0660 ppb |
2015-05-21 | 0.117 ppb |
2015-05-21 | 0.186 ppb |
2015-08-13 | 0.0828 ppb |
2015-08-13 | 0.107 ppb |
2015-08-13 | 0.108 ppb |
2015-08-13 | 0.0664 ppb |
2015-08-18 | 0.107 ppb |
2015-08-18 | 0.0701 ppb |
2015-11-12 | 0.232 ppb |
2015-11-12 | 0.154 ppb |
2015-11-12 | 0.0990 ppb |
2015-11-12 | 0.0859 ppb |