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 |
| 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 |
|---|---|---|
| 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 |