Strontium
Centennial Water and Sanitation 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.
19
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 | 0.584 ppb | 14 | 14 | 0.360 ppb - 0.720 ppb |
| 2014 | 0.650 ppb | 5 | 5 | 0.480 ppb - 0.720 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 | Result |
|---|---|
| 2013-05-13 | 0.360 ppb |
| 2013-05-13 | 0.710 ppb |
| 2013-05-13 | 0.720 ppb |
| 2013-06-12 | 0.390 ppb |
| 2013-06-12 | 0.650 ppb |
| 2013-06-26 | 0.390 ppb |
| 2013-08-12 | 0.630 ppb |
| 2013-08-12 | 0.630 ppb |
| 2013-08-12 | 0.660 ppb |
| 2013-08-12 | 0.570 ppb |
| 2013-11-11 | 0.600 ppb |
| 2013-11-11 | 0.630 ppb |
| 2013-11-11 | 0.590 ppb |
| 2013-12-03 | 0.640 ppb |
| 2014-02-18 | 0.720 ppb |
| 2014-02-18 | 0.690 ppb |
| 2014-02-18 | 0.690 ppb |
| 2014-02-18 | 0.670 ppb |
| 2014-08-12 | 0.480 ppb |