Strontium
City of Davis
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 | 0.542 ppb | 31 | 31 | 0.180 ppb - 1.10 ppb |
2015 | 0.610 ppb | 1 | 1 | 0.610 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 |
---|---|---|
2014-01-06 | A3L2010-37A | 0.600 ppb |
2014-01-06 | A3L2010-01A | 0.610 ppb |
2014-01-06 | A3L2010-33A | 0.350 ppb |
2014-01-06 | A3L2010-29A | 0.670 ppb |
2014-01-06 | A3L2010-21A | 0.190 ppb |
2014-01-06 | A3L2010-17A | 0.210 ppb |
2014-01-06 | A3L2010-25A | 0.740 ppb |
2014-01-06 | A3L2010-41A | 0.860 ppb |
2014-01-06 | A3L2010-05A | 0.520 ppb |
2014-01-06 | A3L2010-45A | 0.190 ppb |
2014-01-06 | A3L2010-47A | 0.180 ppb |
2014-01-06 | A3L2010-51A | 0.450 ppb |
2014-01-06 | A3L2010-49A | 0.500 ppb |
2014-01-06 | A3L2010-09A | 0.790 ppb |
2014-01-07 | A3L2010-13A | 0.640 ppb |
2014-08-13 | A4F2265-16A | 0.720 ppb |
2014-08-13 | A4F2265-06A | 0.600 ppb |
2014-08-13 | A4F2265-01A | 0.700 ppb |
2014-08-13 | A4F2265-36A | 0.660 ppb |
2014-08-13 | A4F2265-21A | 0.180 ppb |
2014-08-13 | A4F2265-11A | 1.10 ppb |
2014-08-13 | A4F2265-41A | 0.370 ppb |
2014-08-13 | A4F2265-26A | 0.180 ppb |
2014-08-13 | A4F2265-31A | 0.680 ppb |
2014-08-13 | A4F2265-46A | 0.580 ppb |
2014-08-13 | A4F2265-51A | 0.850 ppb |
2014-08-13 | A4F2265-56A | 0.480 ppb |
2014-08-13 | A4F2265-58A | 0.180 ppb |
2014-08-13 | A4F2265-62A | 0.750 ppb |
2014-08-13 | A4F2265-60A | 0.690 ppb |
2014-08-13 | A4F2264-01A | 0.580 ppb |
2015-01-13 | A4L0813-01A | 0.610 ppb |