Strontium
Spokane County Water District 3, Sys 2
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 |
|---|---|---|---|---|
| 2015 | 0.158 ppb | 7 | 7 | 0.133 ppb - 0.220 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 |
|---|---|---|
| 2015-04-06 | 150408024-001 | 0.133 ppb |
| 2015-05-13 | 150514039-002 | 0.184 ppb |
| 2015-05-13 | 150514039-001 | 0.151 ppb |
| 2015-05-28 | 150604001-001 | 0.141 ppb |
| 2015-10-20 | 151023001-002 | 0.220 ppb |
| 2015-10-20 | 151023001-003 | 0.138 ppb |
| 2015-10-20 | 151023001-001 | 0.141 ppb |