Strontium
Nob Hill Water Association
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.
18
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 |
|---|---|---|---|---|
| 2014 | 0.0579 ppb | 10 | 10 | 0.0319 ppb - 0.133 ppb |
| 2015 | 0.0835 ppb | 8 | 8 | 0.0450 ppb - 0.193 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 |
|---|---|---|
| 2014-04-21 | WA97-SE1-14-0709 | 0.0374 ppb |
| 2014-04-21 | WA97-SE1-14-0709 | 0.0547 ppb |
| 2014-04-21 | WA97-SE1-14-0709 | 0.0595 ppb |
| 2014-04-21 | WA97-SE1-14-0709 | 0.0341 ppb |
| 2014-04-21 | WA97-SE1-14-0709 | 0.0559 ppb |
| 2014-04-21 | WA97-SE1-14-0709 | 0.0319 ppb |
| 2014-09-09 | WA97-SE1-14-1795 | 0.0400 ppb |
| 2014-09-09 | WA97-SE1-14-1795 | 0.0670 ppb |
| 2014-09-09 | WA97-SE1-14-1795 | 0.0650 ppb |
| 2014-09-09 | WA97-SE1-14-1795 | 0.133 ppb |
| 2015-05-14 | WA97-SE2-15-0960 | 0.0520 ppb |
| 2015-05-14 | WA97-SE2-15-0960 | 0.0450 ppb |
| 2015-05-14 | WA97-SE2-15-0960 | 0.0580 ppb |
| 2015-05-14 | WA97-SE1-15-0960 | 0.158 ppb |
| 2015-10-06 | WA97-SE2-15-2166 | 0.0540 ppb |
| 2015-10-06 | WA97-SE2-15-2166 | 0.193 ppb |
| 2015-10-06 | WA97-SE2-15-2166 | 0.0500 ppb |
| 2015-10-06 | WA97-SE2-15-2166 | 0.0580 ppb |