Strontium
Harford County Department of Public Works
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.
18
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 | 0.0879 ppb | 18 | 18 | 0.0516 ppb - 0.135 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 |
|---|---|---|
| 2013-03-04 | 707718-8386 | 0.0667 ppb |
| 2013-03-04 | 707730-8567 | 0.0675 ppb |
| 2013-03-04 | 707726-8567 | 0.0527 ppb |
| 2013-03-04 | 707720-8567 | 0.0758 ppb |
| 2013-03-04 | 707728-8567 | 0.135 ppb |
| 2013-06-03 | 722826-9105 | 0.0771 ppb |
| 2013-06-03 | 722834-9105 | 0.0720 ppb |
| 2013-06-03 | 722828-9105 | 0.0939 ppb |
| 2013-06-03 | 722832-9105 | 0.132 ppb |
| 2013-09-03 | 741717-9661 | 0.0800 ppb |
| 2013-09-03 | 741719-9661 | 0.101 ppb |
| 2013-09-03 | 741745-9661 | 0.0769 ppb |
| 2013-09-03 | 741743-9661 | 0.116 ppb |
| 2013-09-03 | 741741-9661 | 0.0516 ppb |
| 2013-12-02 | 760949-10414 | 0.0941 ppb |
| 2013-12-02 | 760947-10414 | 0.0823 ppb |
| 2013-12-03 | 761267-10435 | 0.0734 ppb |
| 2013-12-03 | 761265-10435 | 0.134 ppb |