Strontium
Clayton County Water Authority
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.
16
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 | 0.0457 ppb | 16 | 16 | 0.0311 ppb - 0.0678 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 |
|---|---|---|
| 2014-03-18 | 775646-10956 | 0.0364 ppb |
| 2014-03-18 | 775605-10947 | 0.0372 ppb |
| 2014-03-18 | 775607-10947 | 0.0532 ppb |
| 2014-03-18 | 775644-10956 | 0.0362 ppb |
| 2014-06-11 | 796433-11612 | 0.0372 ppb |
| 2014-06-11 | 796427-11612 | 0.0569 ppb |
| 2014-06-11 | 796429-11612 | 0.0582 ppb |
| 2014-06-11 | 796441-11612 | 0.0432 ppb |
| 2014-09-09 | 816841-12361 | 0.0678 ppb |
| 2014-09-09 | 816843-12345 | 0.0426 ppb |
| 2014-09-09 | 816837-12361 | 0.0371 ppb |
| 2014-09-09 | 816839-12361 | 0.0434 ppb |
| 2014-12-08 | 834798-13068 | 0.0349 ppb |
| 2014-12-08 | 834802-13068 | 0.0311 ppb |
| 2014-12-08 | 834800-13068 | 0.0574 ppb |
| 2014-12-08 | 834796-13068 | 0.0590 ppb |