Strontium
Dracut Water Supply District
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 | 0.0774 ppb | 8 | 8 | 0.0370 ppb - 0.170 ppb |
| 2015 | 0.0798 ppb | 8 | 8 | 0.0400 ppb - 0.170 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 |
|---|---|
| 2014-09-29 | 0.0820 ppb |
| 2014-09-29 | 0.0810 ppb |
| 2014-09-29 | 0.0850 ppb |
| 2014-09-29 | 0.0590 ppb |
| 2014-09-29 | 0.170 ppb |
| 2014-09-29 | 0.0550 ppb |
| 2014-12-10 | 0.0500 ppb |
| 2014-12-10 | 0.0370 ppb |
| 2015-03-16 | 0.0800 ppb |
| 2015-03-16 | 0.0830 ppb |
| 2015-03-16 | 0.0630 ppb |
| 2015-03-16 | 0.1000 ppb |
| 2015-03-16 | 0.0570 ppb |
| 2015-03-16 | 0.170 ppb |
| 2015-06-15 | 0.0450 ppb |
| 2015-06-15 | 0.0400 ppb |