Strontium
Redmond Water Department
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.
28
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 | 0.0553 ppb | 28 | 28 | 0.0120 ppb - 0.140 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 |
|---|---|---|
| 2014-03-18 | 201403190609AM | 0.0420 ppb |
| 2014-03-18 | 201403190605AM | 0.0120 ppb |
| 2014-03-18 | 201403190846AM | 0.120 ppb |
| 2014-03-18 | 201403190601AM | 0.0400 ppb |
| 2014-03-18 | 201403190626AM | 0.140 ppb |
| 2014-03-18 | 201403190603AM | 0.0360 ppb |
| 2014-03-18 | 201403190616AM | 0.0420 ppb |
| 2014-03-18 | 201403190618AM | 0.0400 ppb |
| 2014-03-19 | 201403200257AM | 0.110 ppb |
| 2014-03-19 | 201403200285AM | 0.0440 ppb |
| 2014-03-19 | 201403200279AM | 0.0300 ppb |
| 2014-03-19 | 201403200411AM | 0.0340 ppb |
| 2014-03-19 | 201403200223AM | 0.0420 ppb |
| 2014-03-19 | 201403200414AM | 0.0400 ppb |
| 2014-09-10 | 201409110810AM | 0.0840 ppb |
| 2014-09-10 | 201409110901AM | 0.0430 ppb |
| 2014-09-10 | 201409110583AM | 0.130 ppb |
| 2014-09-10 | 201409110753AM | 0.0980 ppb |
| 2014-09-10 | 201409110840AM | 0.0350 ppb |
| 2014-09-10 | 201409110825AM | 0.0490 ppb |
| 2014-09-15 | 201409160629AM | 0.0410 ppb |
| 2014-09-15 | 201409160591AM | 0.0310 ppb |
| 2014-09-15 | 201409160635AM | 0.0520 ppb |
| 2014-09-15 | 201409160405AM | 0.0440 ppb |
| 2014-09-23 | 201409240408AM | 0.0440 ppb |
| 2014-09-23 | 201409240410AM | 0.0550 ppb |
| 2014-10-20 | 201410210247AM | 0.0330 ppb |
| 2014-10-20 | 201410210088AM | 0.0360 ppb |