Strontium
Guilford Water Authority
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 | N/A | 0 | 0 | N/A |
2015 | 0.0117 ppb | 8 | 8 | 0.00310 ppb - 0.0292 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 |
---|---|---|
2015-03-24 | 2061274004 | 0.00330 ppb |
2015-03-24 | 2061274008 | 0.00320 ppb |
2015-03-24 | 2061274006 | 0.0213 ppb |
2015-03-24 | 2061274001 | 0.0148 ppb |
2015-09-10 | 2094989004 | 0.00310 ppb |
2015-09-10 | 2094989007 | 0.0292 ppb |
2015-09-10 | 2094989009 | 0.00610 ppb |
2015-09-10 | 2094989001 | 0.0126 ppb |