Strontium
Harris County Municipal Utility District 189
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.
8
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 |
|---|---|---|---|---|
| 2015 | 0.374 ppb | 8 | 8 | 0.274 ppb - 0.418 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 |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2015-06-09 | 313755P | 0.274 ppb |
| 2015-06-09 | 113685P | 0.353 ppb |
| 2015-06-09 | 113686P | 0.392 ppb |
| 2015-06-09 | 313754P | 0.418 ppb |
| 2015-12-08 | 316385P | 0.370 ppb |
| 2015-12-08 | 116315P | 0.384 ppb |
| 2015-12-08 | 316386P | 0.394 ppb |
| 2015-12-08 | 116314P | 0.405 ppb |