Strontium
Roy City Water System
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.
13
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 | N/A | 0 | 0 | N/A |
| 2015 | 0.266 ppb | 13 | 13 | 0.193 ppb - 0.382 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 |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 | Result |
|---|---|
| 2015-02-23 | 0.238 ppb |
| 2015-02-23 | 0.245 ppb |
| 2015-02-23 | 0.250 ppb |
| 2015-02-23 | 0.237 ppb |
| 2015-05-27 | 0.193 ppb |
| 2015-05-27 | 0.262 ppb |
| 2015-11-23 | 0.382 ppb |
| 2015-11-23 | 0.303 ppb |
| 2015-12-18 | 0.273 ppb |
| 2015-12-18 | 0.275 ppb |
| 2015-12-18 | 0.258 ppb |
| 2015-12-18 | 0.261 ppb |
| 2015-12-18 | 0.275 ppb |