Strontium
Cherokee MD
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.
17
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 | 0.219 ppb | 14 | 14 | 0.0920 ppb - 0.280 ppb |
| 2015 | 0.323 ppb | 3 | 3 | 0.300 ppb - 0.350 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 |
|---|---|
| 2014-06-24 | 0.0920 ppb |
| 2014-06-24 | 0.210 ppb |
| 2014-06-24 | 0.220 ppb |
| 2014-06-24 | 0.220 ppb |
| 2014-06-24 | 0.240 ppb |
| 2014-08-04 | 0.200 ppb |
| 2014-09-25 | 0.260 ppb |
| 2014-09-25 | 0.280 ppb |
| 2014-09-25 | 0.270 ppb |
| 2014-09-25 | 0.1000 ppb |
| 2014-12-03 | 0.250 ppb |
| 2014-12-03 | 0.270 ppb |
| 2014-12-03 | 0.240 ppb |
| 2014-12-03 | 0.220 ppb |
| 2015-03-03 | 0.350 ppb |
| 2015-03-03 | 0.300 ppb |
| 2015-03-11 | 0.320 ppb |