Strontium
Pennsylvania American Water Company Yardley
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 | 0.226 ppb | 7 | 7 | 0.0722 ppb - 0.666 ppb |
2015 | 0.219 ppb | 7 | 7 | 0.0575 ppb - 0.717 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 |
---|---|---|
2014-07-14 | 26097801 | 0.0745 ppb |
2014-07-15 | 26097701 | 0.343 ppb |
2014-07-15 | 26097501 | 0.250 ppb |
2014-07-15 | 26097401 | 0.666 ppb |
2014-07-15 | 26097601 | 0.0722 ppb |
2014-10-09 | 27092501 | 0.0876 ppb |
2014-10-09 | 27092601 | 0.0883 ppb |
2015-01-08 | 27880301 | 0.197 ppb |
2015-01-08 | 27880601 | 0.0675 ppb |
2015-01-09 | 27880501 | 0.357 ppb |
2015-01-09 | 27880201 | 0.717 ppb |
2015-01-09 | 27880401 | 0.0685 ppb |
2015-04-06 | 28555601 | 0.0575 ppb |
2015-04-06 | 28555501 | 0.0706 ppb |