Strontium
Gwinnett County Department of Water Resources
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.
12
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 | 0.0260 ppb | 12 | 12 | 0.0213 ppb - 0.0287 ppb |
| 2014 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2013-01-24 | 702923-8133 | 0.0274 ppb |
| 2013-01-24 | 702931-8133 | 0.0273 ppb |
| 2013-01-24 | 702933-8133 | 0.0275 ppb |
| 2013-04-30 | 716899-9090 | 0.0273 ppb |
| 2013-04-30 | 716905-9090 | 0.0276 ppb |
| 2013-06-04 | 723686-9115 | 0.0271 ppb |
| 2013-07-25 | 733625-9394 | 0.0264 ppb |
| 2013-07-25 | 733618-9394 | 0.0262 ppb |
| 2013-07-25 | 733616-9394 | 0.0287 ppb |
| 2013-10-22 | 754679-10168 | 0.0213 ppb |
| 2013-10-22 | 754661-10168 | 0.0218 ppb |
| 2013-10-22 | 754683-10169 | 0.0236 ppb |