Strontium
Harris County FWSD 61
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 | 0.427 ppb | 6 | 6 | 0.279 ppb - 0.576 ppb |
2015 | 0.426 ppb | 6 | 6 | 0.279 ppb - 0.586 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 |
---|---|---|
2014-09-23 | Q1446861001 | 0.279 ppb |
2014-09-23 | Q1446861005 | 0.348 ppb |
2014-09-23 | Q1446861007 | 0.407 ppb |
2014-09-23 | Q1446861011 | 0.518 ppb |
2014-09-23 | Q1446861009 | 0.576 ppb |
2014-09-23 | Q1446861003 | 0.435 ppb |
2015-03-23 | Q1510556001 | 0.279 ppb |
2015-03-23 | Q1510556005 | 0.355 ppb |
2015-03-23 | Q1510556007 | 0.521 ppb |
2015-03-23 | Q1510556011 | 0.352 ppb |
2015-03-23 | Q1510556009 | 0.586 ppb |
2015-03-23 | Q1510556003 | 0.463 ppb |