Strontium
Harris County MUD 53
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 | 0.298 ppb | 6 | 6 | 0.289 ppb - 0.303 ppb |
| 2015 | 0.273 ppb | 10 | 10 | 0.258 ppb - 0.316 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 | Lab ID | Result |
|---|---|---|
| 2014-12-04 | Q1458430011 | 0.303 ppb |
| 2014-12-04 | Q1458430009 | 0.302 ppb |
| 2014-12-04 | Q1458430007 | 0.295 ppb |
| 2014-12-04 | Q1458430003 | 0.289 ppb |
| 2014-12-04 | Q1458430005 | 0.301 ppb |
| 2014-12-04 | Q1458430001 | 0.296 ppb |
| 2015-03-23 | Q1510563001 | 0.259 ppb |
| 2015-03-23 | Q1510563003 | 0.264 ppb |
| 2015-06-23 | Q1523422001 | 0.266 ppb |
| 2015-06-23 | Q1523422009 | 0.260 ppb |
| 2015-06-23 | Q1523422011 | 0.260 ppb |
| 2015-06-23 | Q1523422007 | 0.258 ppb |
| 2015-06-23 | Q1523422005 | 0.266 ppb |
| 2015-06-23 | Q1523422003 | 0.269 ppb |
| 2015-09-15 | Q1535675001 | 0.316 ppb |
| 2015-09-15 | Q1535675003 | 0.316 ppb |