Strontium
City of Tumwater
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.
22
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 | 0.0845 ppb | 11 | 11 | 0.0570 ppb - 0.159 ppb |
| 2015 | 0.0775 ppb | 11 | 11 | 0.0570 ppb - 0.138 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 |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2014-08-13 | WA97-SE1-14-15517-35911 | 0.140 ppb |
| 2014-08-13 | WA97-SE1-14-15517-35910 | 0.0660 ppb |
| 2014-08-13 | WA97-SE1-14-15517-35907 | 0.0760 ppb |
| 2014-08-13 | WA97-SE1-14-15517-35909 | 0.0600 ppb |
| 2014-08-13 | WA97-SE1-14-15517-35908 | 0.159 ppb |
| 2014-08-20 | WA97-SE1-14-16401-37920 | 0.0760 ppb |
| 2014-08-20 | WA97-SE1-14-16401-37919 | 0.0660 ppb |
| 2014-08-20 | WA97-SE1-14-16401-37918 | 0.0570 ppb |
| 2014-08-20 | WA97-SE1-14-16401-37917 | 0.0710 ppb |
| 2014-08-20 | WA97-SE1-14-16401-37921 | 0.0890 ppb |
| 2014-08-20 | WA97-SE1-14-16401-37916 | 0.0700 ppb |
| 2015-02-11 | WA97-SE1-15-02700-6356 | 0.0720 ppb |
| 2015-02-11 | WA97-SE1-15-02700-6357 | 0.0610 ppb |
| 2015-02-11 | WA97-SE2-15-02700-6359 | 0.0600 ppb |
| 2015-02-11 | WA97-SE2-15-02700-6360 | 0.0570 ppb |
| 2015-02-11 | WA97-SE1-15-02700-6358 | 0.138 ppb |
| 2015-02-11 | WA97-SE2-15-02700-6362 | 0.0630 ppb |
| 2015-02-11 | WA97-SE2-15-02700-6366 | 0.0874 ppb |
| 2015-02-11 | WA97-SE2-15-02700-6365 | 0.0756 ppb |
| 2015-02-11 | WA97-SE2-15-02700-6364 | 0.0703 ppb |
| 2015-02-11 | WA97-SE2-15-02700-6363 | 0.0590 ppb |
| 2015-02-11 | WA97-SE2-15-02700-6361 | 0.109 ppb |