Strontium
City of Spokane
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.
16
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 |
|---|---|---|---|---|
| 2015 | 0.102 ppb | 16 | 16 | 0.0726 ppb - 0.156 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 |
|---|---|---|
| 2015-03-23 | 150324054-004 | 0.101 ppb |
| 2015-03-23 | 150324054-012 | 0.109 ppb |
| 2015-03-23 | 150324054-011 | 0.0742 ppb |
| 2015-03-23 | 150324054-013 | 0.114 ppb |
| 2015-03-23 | 150324054-005 | 0.0919 ppb |
| 2015-03-23 | 150324054-001 | 0.0729 ppb |
| 2015-03-23 | 150324054-002 | 0.116 ppb |
| 2015-03-23 | 150324054-003 | 0.156 ppb |
| 2015-09-28 | 150930003-010 | 0.0869 ppb |
| 2015-09-28 | 150930003-009 | 0.108 ppb |
| 2015-09-28 | 150930003-012 | 0.104 ppb |
| 2015-09-28 | 150930003-011 | 0.0761 ppb |
| 2015-09-28 | 150930003-013 | 0.107 ppb |
| 2015-09-28 | 150930003-007 | 0.114 ppb |
| 2015-09-28 | 150930003-006 | 0.0726 ppb |
| 2015-09-28 | 150930003-008 | 0.136 ppb |