Strontium
North Reading 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 |
---|---|---|---|---|
2014 | 0.0926 ppb | 10 | 10 | 0.0660 ppb - 0.170 ppb |
2015 | 0.106 ppb | 10 | 10 | 0.0770 ppb - 0.170 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 |
---|---|
2014-09-17 | 0.170 ppb |
2014-09-17 | 0.0680 ppb |
2014-09-17 | 0.170 ppb |
2014-09-17 | 0.0660 ppb |
2014-09-23 | 0.0680 ppb |
2014-09-23 | 0.0660 ppb |
2014-09-30 | 0.1000 ppb |
2014-09-30 | 0.0850 ppb |
2014-12-10 | 0.0670 ppb |
2014-12-10 | 0.0660 ppb |
2015-03-17 | 0.0810 ppb |
2015-03-17 | 0.0770 ppb |
2015-03-17 | 0.160 ppb |
2015-03-17 | 0.170 ppb |
2015-03-18 | 0.110 ppb |
2015-03-18 | 0.0910 ppb |
2015-03-18 | 0.130 ppb |
2015-03-18 | 0.0790 ppb |
2015-06-17 | 0.0840 ppb |
2015-06-17 | 0.0780 ppb |