Strontium
North Park PWD
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | 0.0936 ppb | 5 | 5 | 0.0821 ppb - 0.0984 ppb |
2014 | 0.0944 ppb | 5 | 5 | 0.0765 ppb - 0.103 ppb |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | 95.2 ppb | 1 | 1 | 95.2 ppb |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2013-07-15 | 731809-9361 | 0.0821 ppb |
2013-07-15 | 731811-9361 | 0.0979 ppb |
2013-07-15 | 731805-9361 | 0.0925 ppb |
2013-07-15 | 731803-9361 | 0.0969 ppb |
2013-07-15 | 731807-9361 | 0.0984 ppb |
2014-01-13 | 766737-10638 | 0.0765 ppb |
2014-01-13 | 766739-10638 | 0.0993 ppb |
2014-01-13 | 766733-10638 | 0.0927 ppb |
2014-01-13 | 766735-10638 | 0.101 ppb |
2014-01-14 | 766731-10638 | 0.103 ppb |
2018-03-14 | 18C0365-01_01 | 95.2 ppb |