Strontium
Enumclaw Water Department
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.
7
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 | 0.0493 ppb | 6 | 6 | 0.0420 ppb - 0.0530 ppb |
| 2015 | 0.0840 ppb | 1 | 1 | 0.0840 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 |
|---|---|---|
| 2014-01-06 | 201401080247AM | 0.0490 ppb |
| 2014-01-06 | 201401070096AM | 0.0420 ppb |
| 2014-01-13 | 201401140262AM | 0.0500 ppb |
| 2014-07-02 | 201407030253AM | 0.0530 ppb |
| 2014-07-02 | 201407030282AM | 0.0520 ppb |
| 2014-07-02 | 201407030306AM | 0.0500 ppb |
| 2015-09-15 | 201509040177AM | 0.0840 ppb |