Strontium
Waltham Water Department (MWRA)
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.
8
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 | 0.0388 ppb | 8 | 8 | 0.0325 ppb - 0.0494 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 | Result |
|---|---|
| 2014-01-21 | 0.0411 ppb |
| 2014-01-21 | 0.0414 ppb |
| 2014-04-23 | 0.0348 ppb |
| 2014-04-23 | 0.0325 ppb |
| 2014-07-23 | 0.0351 ppb |
| 2014-07-23 | 0.0348 ppb |
| 2014-10-23 | 0.0414 ppb |
| 2014-10-23 | 0.0494 ppb |