Strontium
Butte-Silver Bow Water Department
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 |
---|---|---|---|---|
2013 | 0.0804 ppb | 12 | 12 | 0.0641 ppb - 0.102 ppb |
2014 | 0.0844 ppb | 12 | 12 | 0.0709 ppb - 0.0976 ppb |
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 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 |
---|---|---|
2013-07-10 | 201303437 | 0.100 ppb |
2013-07-10 | 201303447 | 0.0934 ppb |
2013-07-10 | 201303445 | 0.102 ppb |
2013-07-10 | 201303443 | 0.0665 ppb |
2013-07-10 | 201303441 | 0.0641 ppb |
2013-07-10 | 201303439 | 0.0649 ppb |
2013-10-17 | 201305594 | 0.0912 ppb |
2013-10-17 | 201305598 | 0.0898 ppb |
2013-10-17 | 201305596 | 0.0662 ppb |
2013-10-17 | 201305600 | 0.0694 ppb |
2013-10-30 | 201305881 | 0.0781 ppb |
2013-10-30 | 201305879 | 0.0789 ppb |
2014-01-16 | 201400285 | 0.0852 ppb |
2014-01-16 | 201400283 | 0.0961 ppb |
2014-01-16 | 201400287 | 0.0709 ppb |
2014-01-16 | 201400291 | 0.0873 ppb |
2014-01-16 | 201400293 | 0.0743 ppb |
2014-01-16 | 201400289 | 0.0976 ppb |
2014-04-28 | 201401603 | 0.0828 ppb |
2014-04-28 | 201401599 | 0.0880 ppb |
2014-04-28 | 201401605 | 0.0885 ppb |
2014-04-28 | 201401607 | 0.0800 ppb |
2014-04-28 | 201401597 | 0.0787 ppb |
2014-04-28 | 201401601 | 0.0838 ppb |