Strontium
SNO PUD 1 - Lake Stevens
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.
12
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 | 0.0395 ppb | 12 | 12 | 0.0130 ppb - 0.108 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-01-22 | WA97-SE1-14-01298-3401 | 0.0160 ppb |
| 2014-01-22 | WA97-SE1-14-01298-3400 | 0.0140 ppb |
| 2014-04-15 | WA97-SE2-14-06585-15943 | 0.0150 ppb |
| 2014-04-15 | WA97-SE2-14-06585-15944 | 0.0150 ppb |
| 2014-04-16 | WA97-SE1-14-06586-15946 | 0.0390 ppb |
| 2014-04-16 | 97-SE1-14-06586-15945 | 0.102 ppb |
| 2014-07-22 | WA97-SE3-14-13616-31731 | 0.0130 ppb |
| 2014-07-22 | WA97-SE3-14-13616-31732 | 0.0160 ppb |
| 2014-10-27 | WA97-SE4-14-21143-47786 | 0.0155 ppb |
| 2014-10-27 | WA97-SE1-14-21143-47787 | 0.0173 ppb |
| 2014-10-28 | WA98-SE2-14-21311-48225 | 0.108 ppb |
| 2014-10-28 | WA98-SE2-14-21311-48224 | 0.103 ppb |