Strontium
Westford Water Department
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 | 0.165 ppb | 12 | 12 | 0.140 ppb - 0.180 ppb |
| 2015 | 0.179 ppb | 4 | 4 | 0.170 ppb - 0.200 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 |
|---|---|
| 2014-04-23 | 0.179 ppb |
| 2014-04-23 | 0.179 ppb |
| 2014-04-23 | 0.159 ppb |
| 2014-04-23 | 0.172 ppb |
| 2014-07-15 | 0.162 ppb |
| 2014-07-15 | 0.154 ppb |
| 2014-07-15 | 0.156 ppb |
| 2014-07-15 | 0.140 ppb |
| 2014-10-27 | 0.171 ppb |
| 2014-10-27 | 0.171 ppb |
| 2014-10-27 | 0.157 ppb |
| 2014-10-27 | 0.180 ppb |
| 2015-01-14 | 0.200 ppb |
| 2015-01-14 | 0.177 ppb |
| 2015-01-14 | 0.170 ppb |
| 2015-01-14 | 0.170 ppb |