Strontium
Portland Water District - Greater Portland
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.
8
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 |
|---|---|---|---|---|
| 2013 | 0.0215 ppb | 8 | 8 | 0.0200 ppb - 0.0230 ppb |
| 2014 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2013-02-12 | 201302130199AM | 0.0200 ppb |
| 2013-02-12 | 201302130202AM | 0.0200 ppb |
| 2013-05-14 | 201305150173AM | 0.0220 ppb |
| 2013-05-14 | 201305150189AM | 0.0200 ppb |
| 2013-08-13 | 201308140251AM | 0.0220 ppb |
| 2013-08-13 | 201308140249AM | 0.0220 ppb |
| 2013-11-13 | 201311140721AM | 0.0230 ppb |
| 2013-11-13 | 201311140719AM | 0.0230 ppb |