Strontium
Sammamish Plateau Water and Sewer
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.
26
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 | 0.0984 ppb | 26 | 26 | 0.0674 ppb - 0.199 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 |
|---|---|---|
| 2015-03-10 | 35178934007AM | 0.0903 ppb |
| 2015-03-10 | 35178934005AM | 0.0899 ppb |
| 2015-03-10 | 35178934001AM | 0.0864 ppb |
| 2015-03-10 | 35178934003AM | 0.0947 ppb |
| 2015-03-10 | 35178934013AM | 0.0935 ppb |
| 2015-03-10 | 35178934015AM | 0.0933 ppb |
| 2015-03-10 | 35178934011AM | 0.0698 ppb |
| 2015-03-10 | 35178934009AM | 0.0710 ppb |
| 2015-03-30 | 35181633007AM | 0.199 ppb |
| 2015-03-30 | 35181633005AM | 0.0957 ppb |
| 2015-03-30 | 35181633013AM | 0.0674 ppb |
| 2015-03-30 | 35181633011AM | 0.0701 ppb |
| 2015-03-31 | 35181843007AM | 0.0780 ppb |
| 2015-03-31 | 35181843001AM | 0.0739 ppb |
| 2015-09-03 | 35205946007AM | 0.0881 ppb |
| 2015-09-03 | 35205946009AM | 0.180 ppb |
| 2015-09-03 | 35205946011AM | 0.154 ppb |
| 2015-09-03 | 35205946013AM | 0.0843 ppb |
| 2015-09-03 | 35205946003AM | 0.0874 ppb |
| 2015-09-03 | 35205946015AM | 0.0819 ppb |
| 2015-09-03 | 35205946001AM | 0.0886 ppb |
| 2015-09-03 | 35205946019AM | 0.182 ppb |
| 2015-09-03 | 35205946017AM | 0.0927 ppb |
| 2015-09-03 | 35205946005AM | 0.0855 ppb |
| 2015-09-30 | 35209763003AM | 0.0800 ppb |
| 2015-09-30 | 35209763001AM | 0.0806 ppb |