Strontium
Coastside County Water District
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 | 0.0537 ppb | 3 | 3 | 0.0490 ppb - 0.0580 ppb |
2014 | 0.0522 ppb | 12 | 12 | 0.0350 ppb - 0.0720 ppb |
2015 | 0.0570 ppb | 1 | 1 | 0.0570 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 |
---|---|---|
2013-12-11 | A3J1692-06A | 0.0580 ppb |
2013-12-11 | A3J1692-04A | 0.0540 ppb |
2013-12-11 | A3J1692-01A | 0.0490 ppb |
2014-03-11 | A4B2102-06A | 0.0540 ppb |
2014-03-11 | A4B2102-04A | 0.0710 ppb |
2014-03-11 | A4B2096-01A | 0.0590 ppb |
2014-03-11 | A4B2102-01A | 0.0500 ppb |
2014-06-17 | A4E1990-01A | 0.0720 ppb |
2014-06-17 | A4E1991-04A | 0.0530 ppb |
2014-06-17 | A4E1991-06A | 0.0370 ppb |
2014-06-17 | A4E1991-01A | 0.0430 ppb |
2014-09-15 | A4H2149-04A | 0.0410 ppb |
2014-09-15 | A4H2149-06A | 0.0400 ppb |
2014-09-15 | A4H2149-01A | 0.0350 ppb |
2014-12-30 | A4K1350-01A | 0.0710 ppb |
2015-12-14 | A5L0325-01A | 0.0570 ppb |