Strontium
Harris County FWSD 51
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 | 0.252 ppb | 16 | 16 | 0.213 ppb - 0.314 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 |
|---|---|---|
| 2014-03-17 | Q1408499003 | 0.222 ppb |
| 2014-03-17 | Q1408499011 | 0.237 ppb |
| 2014-03-17 | Q1408499005 | 0.213 ppb |
| 2014-03-17 | Q1408499009 | 0.244 ppb |
| 2014-03-17 | Q1408499001 | 0.230 ppb |
| 2014-03-17 | Q1408499007 | 0.231 ppb |
| 2014-06-17 | Q1421469003 | 0.240 ppb |
| 2014-06-17 | Q1421469001 | 0.234 ppb |
| 2014-09-22 | Q1446433003 | 0.265 ppb |
| 2014-09-22 | Q1446433009 | 0.262 ppb |
| 2014-09-22 | Q1446433011 | 0.272 ppb |
| 2014-09-22 | Q1446433005 | 0.262 ppb |
| 2014-09-22 | Q1446433001 | 0.252 ppb |
| 2014-09-22 | Q1446433007 | 0.264 ppb |
| 2014-12-04 | Q1458435001 | 0.314 ppb |
| 2014-12-04 | Q1458435003 | 0.296 ppb |