Strontium
Coos Bay North Bend Water Board
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.
8
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 | 0.0389 ppb | 4 | 4 | 0.0370 ppb - 0.0400 ppb |
| 2015 | 0.0300 ppb | 4 | 4 | 0.0270 ppb - 0.0360 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 |
|---|---|---|
| 2014-08-04 | WA97-SE1-14-14529-33720 | 0.0370 ppb |
| 2014-08-04 | WA97-SE1-14-14529-33721 | 0.0390 ppb |
| 2014-11-04 | WA97-SE2-14-21960-49714 | 0.0400 ppb |
| 2014-11-04 | WA97-SE2-14-21960-49713 | 0.0395 ppb |
| 2015-02-10 | WA97-SE3-15-02610-6148 | 0.0360 ppb |
| 2015-02-10 | WA97-SE3-15-02610-6147 | 0.0300 ppb |
| 2015-05-12 | WA97-SE4-15-09366-21338 | 0.0270 ppb |
| 2015-05-12 | WA97-SE4-15-09366-21337 | 0.0270 ppb |