Strontium
Ottumwa Water Works
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 | 0.270 ppb | 6 | 6 | 0.163 ppb - 0.350 ppb |
| 2014 | 0.195 ppb | 2 | 2 | 0.179 ppb - 0.211 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 |
|---|---|---|
| 2013-06-10 | 101336 | 0.166 ppb |
| 2013-06-10 | 101335 | 0.163 ppb |
| 2013-09-25 | 126244 | 0.314 ppb |
| 2013-09-25 | 126245 | 0.337 ppb |
| 2013-12-02 | 138489 | 0.290 ppb |
| 2013-12-02 | 138488 | 0.350 ppb |
| 2014-03-25 | 154043 | 0.211 ppb |
| 2014-03-25 | 154044 | 0.179 ppb |