Strontium
St. Louis City
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 | 0.168 ppb | 13 | 13 | 0.116 ppb - 0.281 ppb |
2014 | 222.3 ppb | 3 | 3 | 173.0 ppb - 247.0 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 |
---|---|---|
2013-04-03 | AB94678 | 0.140 ppb |
2013-04-03 | AB94676 | 0.142 ppb |
2013-04-03 | AB94672 | 0.131 ppb |
2013-04-23 | AB96365 | 0.118 ppb |
2013-04-23 | AB96367 | 0.126 ppb |
2013-04-23 | AB96371 | 0.116 ppb |
2013-04-23 | AB96369 | 0.116 ppb |
2013-07-16 | AC05140 | 0.184 ppb |
2013-07-16 | AC05134 | 0.185 ppb |
2013-07-16 | AC05138 | 0.192 ppb |
2013-07-16 | AC05136 | 0.173 ppb |
2013-10-14 | AC13661 | 0.281 ppb |
2013-10-14 | AC13659 | 0.274 ppb |
2014-02-03 | AC18020 | 173.0 ppb |
2014-02-11 | AC19480 | 247.0 ppb |
2014-02-11 | AC19481 | 247.0 ppb |