Strontium
Duluth
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 |
|---|---|---|---|---|
| 2014 | 0.0240 ppb | 4 | 4 | 0.0233 ppb - 0.0257 ppb |
| 2015 | 0.0291 ppb | 4 | 4 | 0.0263 ppb - 0.0302 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 |
|---|---|---|
| 2014-09-15 | 2029324001 | 0.0235 ppb |
| 2014-09-15 | 2029324003 | 0.0233 ppb |
| 2014-12-09 | 2044215001 | 0.0257 ppb |
| 2014-12-09 | 2044215003 | 0.0234 ppb |
| 2015-03-10 | 2058599003 | 0.0263 ppb |
| 2015-03-10 | 2058599001 | 0.0298 ppb |
| 2015-06-23 | 2078808003 | 0.0299 ppb |
| 2015-06-23 | 2078808001 | 0.0302 ppb |