Strontium
City of Rockwall
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 | 0.587 ppb | 6 | 6 | 0.532 ppb - 0.629 ppb |
2014 | 0.603 ppb | 2 | 2 | 0.599 ppb - 0.606 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 |
---|---|---|
2013-06-13 | Q1302358003 | 0.616 ppb |
2013-06-13 | Q1302538001 | 0.629 ppb |
2013-09-25 | Q1308241003 | 0.549 ppb |
2013-09-25 | Q1308241001 | 0.532 ppb |
2013-12-16 | Q1317765001 | 0.596 ppb |
2013-12-16 | Q1317765003 | 0.600 ppb |
2014-03-27 | Q1409938003 | 0.606 ppb |
2014-03-27 | Q1409938001 | 0.599 ppb |