Strontium
Woodinville Water 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.
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 | N/A | 0 | 0 | N/A |
| 2015 | 0.0245 ppb | 8 | 8 | 0.0200 ppb - 0.0280 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 |
|---|---|---|
| 2015-03-03 | A5B1571-04A | 0.0280 ppb |
| 2015-03-03 | A5B1571-01A | 0.0250 ppb |
| 2015-05-12 | A5C2338-03A | 0.0280 ppb |
| 2015-06-01 | A5E1714-04A | 0.0270 ppb |
| 2015-06-01 | A5E1714-01A | 0.0260 ppb |
| 2015-07-07 | A5E1931-01A | 0.0210 ppb |
| 2015-09-09 | A5H1675-01A | 0.0210 ppb |
| 2015-09-09 | A5H1675-04A | 0.0200 ppb |