Strontium
City of Orange
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.
43
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.893 ppb | 15 | 15 | 0.815 ppb - 0.987 ppb |
| 2014 | 0.716 ppb | 28 | 28 | 0.389 ppb - 1.07 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 |
|---|---|---|
| 2013-03-04 | 3010027826 | 0.854 ppb |
| 2013-03-05 | 3010027827 | 0.966 ppb |
| 2013-03-06 | 3010027997 | 0.838 ppb |
| 2013-03-06 | 3010027824 | 0.920 ppb |
| 2013-06-10 | 3010027827-2 | 0.943 ppb |
| 2013-06-10 | 3010027826-2 | 0.901 ppb |
| 2013-06-11 | 3010027997-2 | 0.872 ppb |
| 2013-06-11 | 3010027824-2 | 0.846 ppb |
| 2013-09-03 | 3010027826-3 | 0.899 ppb |
| 2013-09-03 | 3010027827-3 | 0.887 ppb |
| 2013-09-04 | 3010027997-3 | 0.925 ppb |
| 2013-09-04 | 3010027824-3 | 0.815 ppb |
| 2013-12-09 | 3010027824-4 | 0.863 ppb |
| 2013-12-09 | 3010027827-4 | 0.987 ppb |
| 2013-12-10 | 3010027997-4 | 0.886 ppb |
| 2014-02-05 | 3010027826-4A | 1.07 ppb |
| 2014-05-13 | 3010027998-1 | 0.986 ppb |
| 2014-05-13 | 3010027804-1 | 0.682 ppb |
| 2014-05-13 | 3010027805-1 | 0.791 ppb |
| 2014-05-13 | 3010027816-1 | 0.443 ppb |
| 2014-05-13 | 3010027817-1 | 0.437 ppb |
| 2014-05-13 | 3010027803-1 | 0.807 ppb |
| 2014-05-14 | 3010027809-1 | 0.856 ppb |
| 2014-05-14 | 3010027825-1 | 0.672 ppb |
| 2014-05-14 | 3010027806-1 | 0.741 ppb |
| 2014-05-14 | 3010027812-1 | 0.832 ppb |
| 2014-05-14 | 3010027808-1 | 0.747 ppb |
| 2014-05-14 | 3010027813-1 | 0.785 ppb |
| 2014-05-14 | 3010027802-1 | 0.780 ppb |
| 2014-10-13 | 14100373 | 0.744 ppb |
| 2014-10-13 | 14100370 | 0.707 ppb |
| 2014-10-13 | 14100376 | 0.691 ppb |
| 2014-10-13 | 14100371 | 0.748 ppb |
| 2014-10-13 | 14100374 | 0.601 ppb |
| 2014-10-13 | 14100375 | 0.666 ppb |
| 2014-10-13 | 14100372 | 0.586 ppb |
| 2014-10-14 | 14100430 | 0.683 ppb |
| 2014-10-14 | 14100427 | 0.606 ppb |
| 2014-10-14 | 14100428 | 0.696 ppb |
| 2014-10-14 | 14100431 | 0.629 ppb |
| 2014-10-14 | 14100426 | 0.712 ppb |
| 2014-10-14 | 14100425 | 0.974 ppb |
| 2014-10-14 | 14100429 | 0.389 ppb |