Strontium
City of Tumwater
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 | 0.0845 ppb | 11 | 11 | 0.0570 ppb - 0.159 ppb |
2015 | 0.0775 ppb | 11 | 11 | 0.0570 ppb - 0.138 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 |
---|---|---|
2014-08-13 | WA97-SE1-14-1551 | 0.140 ppb |
2014-08-13 | WA97-SE1-14-1551 | 0.0660 ppb |
2014-08-13 | WA97-SE1-14-1551 | 0.0760 ppb |
2014-08-13 | WA97-SE1-14-1551 | 0.0600 ppb |
2014-08-13 | WA97-SE1-14-1551 | 0.159 ppb |
2014-08-20 | WA97-SE1-14-1640 | 0.0760 ppb |
2014-08-20 | WA97-SE1-14-1640 | 0.0660 ppb |
2014-08-20 | WA97-SE1-14-1640 | 0.0570 ppb |
2014-08-20 | WA97-SE1-14-1640 | 0.0710 ppb |
2014-08-20 | WA97-SE1-14-1640 | 0.0890 ppb |
2014-08-20 | WA97-SE1-14-1640 | 0.0700 ppb |
2015-02-11 | WA97-SE1-15-0270 | 0.0720 ppb |
2015-02-11 | WA97-SE1-15-0270 | 0.0610 ppb |
2015-02-11 | WA97-SE2-15-0270 | 0.0600 ppb |
2015-02-11 | WA97-SE2-15-0270 | 0.0570 ppb |
2015-02-11 | WA97-SE1-15-0270 | 0.138 ppb |
2015-02-11 | WA97-SE2-15-0270 | 0.0630 ppb |
2015-02-11 | WA97-SE2-15-0270 | 0.0874 ppb |
2015-02-11 | WA97-SE2-15-0270 | 0.0756 ppb |
2015-02-11 | WA97-SE2-15-0270 | 0.0703 ppb |
2015-02-11 | WA97-SE2-15-0270 | 0.0590 ppb |
2015-02-11 | WA97-SE2-15-0270 | 0.109 ppb |