Strontium
City of Tigard
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 |
|---|---|---|---|---|
| 2014 | 0.0321 ppb | 7 | 7 | 0.0170 ppb - 0.0720 ppb |
| 2015 | 0.0312 ppb | 19 | 19 | 0.0120 ppb - 0.0740 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 |
|---|---|---|
| 2014-11-18 | 201411190583AM | 0.0420 ppb |
| 2014-11-18 | 201411190336AM | 0.0230 ppb |
| 2014-11-18 | 201411190429AM | 0.0190 ppb |
| 2014-11-18 | 201411190464AM | 0.0340 ppb |
| 2014-11-18 | 201411190283AM | 0.0720 ppb |
| 2014-11-18 | 201411190626AM | 0.0170 ppb |
| 2014-11-18 | 201411190381AM | 0.0180 ppb |
| 2015-02-11 | 201502120588AM | 0.0720 ppb |
| 2015-02-11 | 201502120594AM | 0.0140 ppb |
| 2015-02-11 | 201502120634AM | 0.0130 ppb |
| 2015-02-11 | 201502120592AM | 0.0120 ppb |
| 2015-02-11 | 201502120596AM | 0.0130 ppb |
| 2015-02-11 | 201502120590AM | 0.0120 ppb |
| 2015-05-21 | 201505220150AM | 0.0140 ppb |
| 2015-05-21 | 201505220138AM | 0.0470 ppb |
| 2015-05-21 | 201505220142AM | 0.0300 ppb |
| 2015-05-21 | 201505220140AM | 0.0220 ppb |
| 2015-05-21 | 201505220152AM | 0.0160 ppb |
| 2015-05-21 | 201505220156AM | 0.0150 ppb |
| 2015-05-21 | 201505220154AM | 0.0150 ppb |
| 2015-08-12 | 201508130529AM | 0.0340 ppb |
| 2015-08-12 | 201508130527AM | 0.0450 ppb |
| 2015-08-12 | 201508130519AM | 0.0730 ppb |
| 2015-08-12 | 201508130525AM | 0.0740 ppb |
| 2015-08-12 | 201508130521AM | 0.0260 ppb |
| 2015-08-12 | 201508130523AM | 0.0450 ppb |