Strontium
Pennsylvania American Water Pittsburgh
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 | 0.303 ppb | 4 | 4 | 0.268 ppb - 0.384 ppb |
2015 | 0.149 ppb | 12 | 12 | 0.122 ppb - 0.175 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 |
---|---|---|
2014-10-07 | 27111601 | 0.268 ppb |
2014-10-07 | 27347101 | 0.290 ppb |
2014-10-07 | 27347001 | 0.269 ppb |
2014-10-13 | 27112801 | 0.384 ppb |
2015-01-12 | 27898801 | 0.141 ppb |
2015-01-13 | 27898201 | 0.144 ppb |
2015-01-13 | 27898701 | 0.154 ppb |
2015-01-13 | 27897401 | 0.142 ppb |
2015-04-08 | 28579701 | 0.158 ppb |
2015-04-08 | 28580301 | 0.174 ppb |
2015-04-08 | 28580501 | 0.175 ppb |
2015-04-13 | 28580601 | 0.123 ppb |
2015-07-08 | 29576801 | 0.159 ppb |
2015-07-15 | 29576101 | 0.127 ppb |
2015-07-15 | 29576701 | 0.167 ppb |
2015-07-15 | 29574501 | 0.122 ppb |