Strontium
Pennsylvania American Water Company
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 | 0.121 ppb | 8 | 8 | 0.0348 ppb - 0.155 ppb |
2014 | 0.0966 ppb | 8 | 8 | 0.0261 ppb - 0.140 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 |
---|---|---|
2013-08-21 | 23060301 | 0.145 ppb |
2013-08-21 | 23061701 | 0.155 ppb |
2013-08-21 | 23060501 | 0.151 ppb |
2013-08-21 | 23060401 | 0.0358 ppb |
2013-11-13 | 23904901 | 0.148 ppb |
2013-11-13 | 23905101 | 0.152 ppb |
2013-11-13 | 23906501 | 0.145 ppb |
2013-11-13 | 23905001 | 0.0348 ppb |
2014-02-12 | 24653701 | 0.140 ppb |
2014-02-12 | 24652501 | 0.131 ppb |
2014-02-12 | 24652401 | 0.0392 ppb |
2014-02-12 | 24652301 | 0.132 ppb |
2014-05-14 | 25529701 | 0.117 ppb |
2014-05-14 | 25531101 | 0.0874 ppb |
2014-05-14 | 25529901 | 0.101 ppb |
2014-05-14 | 25529801 | 0.0261 ppb |