Strontium
St John Water District 1
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.
12
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 | 0.116 ppb | 12 | 12 | 0.000500 ppb - 0.212 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 |
|---|---|---|
| 2014-02-24 | 35127683003AM | 0.00220 ppb |
| 2014-02-24 | 35127683007AM | 0.162 ppb |
| 2014-02-24 | 35127683001AM | 0.00120 ppb |
| 2014-02-24 | 35127683005AM | 0.136 ppb |
| 2014-05-27 | 35139726003AM | 0.145 ppb |
| 2014-05-27 | 35139726001AM | 0.148 ppb |
| 2014-08-26 | 35152455007AM | 0.172 ppb |
| 2014-08-26 | 35152455003AM | 0.00110 ppb |
| 2014-08-26 | 35152455001AM | 0.000500 ppb |
| 2014-08-26 | 35152455005AM | 0.207 ppb |
| 2014-11-13 | 35164002003AM | 0.212 ppb |
| 2014-11-13 | 35164002001AM | 0.203 ppb |