Strontium
City of Chesapeake - Northwest River System
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 |
|---|---|---|---|---|
| 2013 | 0.0497 ppb | 8 | 8 | 0.00190 ppb - 0.0647 ppb |
| 2014 | 0.0396 ppb | 8 | 8 | 0.00230 ppb - 0.0549 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 |
|---|---|---|
| 2013-07-17 | 23113001 | 0.0583 ppb |
| 2013-07-17 | 23112901 | 0.0647 ppb |
| 2013-07-17 | 23113401 | 0.0643 ppb |
| 2013-07-17 | 23113201 | 0.0278 ppb |
| 2013-10-08 | 23755401 | 0.00190 ppb |
| 2013-10-08 | 23755201 | 0.0608 ppb |
| 2013-11-04 | 24161101 | 0.0612 ppb |
| 2013-11-04 | 24161001 | 0.0587 ppb |
| 2014-01-14 | 24585301 | 0.0542 ppb |
| 2014-01-14 | 24585201 | 0.0549 ppb |
| 2014-01-14 | 24585501 | 0.00230 ppb |
| 2014-02-03 | 24917001 | 0.0485 ppb |
| 2014-04-15 | 25297001 | 0.0493 ppb |
| 2014-04-15 | 25297401 | 0.0512 ppb |
| 2014-04-15 | 25296901 | 0.0523 ppb |
| 2014-04-15 | 25297201 | 0.00370 ppb |