Strontium
Clearfield Municipal Authority
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 |
|---|---|---|---|---|
| 2013 | 0.0491 ppb | 4 | 4 | 0.0172 ppb - 0.126 ppb |
| 2014 | 0.0517 ppb | 12 | 12 | 0.0166 ppb - 0.118 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 |
|---|---|---|
| 2013-11-14 | 1059100005 | 0.0172 ppb |
| 2013-11-14 | 1059100008 | 0.126 ppb |
| 2013-11-14 | 1059100001 | 0.0174 ppb |
| 2013-11-14 | 1059100003 | 0.0357 ppb |
| 2014-02-12 | 1071760008 | 0.118 ppb |
| 2014-02-12 | 1071760001 | 0.0198 ppb |
| 2014-02-12 | 1071760003 | 0.116 ppb |
| 2014-02-12 | 1071760005 | 0.0190 ppb |
| 2014-05-12 | 2006426005 | 0.0167 ppb |
| 2014-05-12 | 2006426008 | 0.113 ppb |
| 2014-05-12 | 2006426003 | 0.0286 ppb |
| 2014-05-12 | 2006426001 | 0.0185 ppb |
| 2014-08-13 | 2023454008 | 0.104 ppb |
| 2014-08-13 | 2023454001 | 0.0167 ppb |
| 2014-08-13 | 2023454003 | 0.0331 ppb |
| 2014-08-13 | 2023454005 | 0.0166 ppb |