Strontium
City of San Angelo
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 |
---|---|---|---|---|
2013 | 1.95 ppb | 4 | 4 | 1.80 ppb - 2.10 ppb |
2014 | 2.10 ppb | 4 | 4 | 2.00 ppb - 2.20 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 |
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 |
---|---|---|
2013-08-26 | 201308270155AM | 2.00 ppb |
2013-08-26 | 201308270157AM | 2.10 ppb |
2013-11-25 | 201311260126AM | 1.90 ppb |
2013-11-25 | 201311260124AM | 1.80 ppb |
2014-02-20 | 201402210248AM | 2.10 ppb |
2014-02-20 | 201402210250AM | 2.00 ppb |
2014-05-20 | 201405210834AM | 2.10 ppb |
2014-05-20 | 201405210836AM | 2.20 ppb |