Strontium
City of Grenada
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.
10
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 | 0.419 ppb | 5 | 5 | 0.195 ppb - 0.522 ppb |
| 2014 | 0.464 ppb | 5 | 5 | 0.224 ppb - 0.601 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 |
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 | Lab ID | Result |
|---|---|---|
| 2013-10-22 | 754681-10169 | 0.507 ppb |
| 2013-10-22 | 754675-10168 | 0.414 ppb |
| 2013-10-22 | 754687-10169 | 0.522 ppb |
| 2013-10-22 | 754677-10168 | 0.460 ppb |
| 2013-10-22 | 754685-10169 | 0.195 ppb |
| 2014-04-21 | 781904-11234 | 0.599 ppb |
| 2014-04-21 | 781956-11234 | 0.601 ppb |
| 2014-04-21 | 781900-11234 | 0.477 ppb |
| 2014-04-21 | 781980-11234 | 0.224 ppb |
| 2014-04-22 | 781902-11234 | 0.421 ppb |