Strontium
Waterloo Water Works
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 |
---|---|---|---|---|
2014 | 0.538 ppb | 21 | 21 | 0.126 ppb - 1.17 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 |
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 |
---|---|---|
2014-03-26 | 776993-11111 | 1.10 ppb |
2014-03-26 | 776989-11111 | 0.286 ppb |
2014-03-26 | 776995-11111 | 0.794 ppb |
2014-03-26 | 776991-11111 | 0.651 ppb |
2014-03-26 | 776999-11111 | 0.156 ppb |
2014-03-26 | 777001-11111 | 0.844 ppb |
2014-03-26 | 776997-11111 | 1.14 ppb |
2014-03-26 | 776987-11111 | 0.138 ppb |
2014-03-26 | 777003-11111 | 0.142 ppb |
2014-03-26 | 776985-11111 | 0.817 ppb |
2014-09-16 | 818935-12490 | 0.126 ppb |
2014-09-16 | 818910-12490 | 0.133 ppb |
2014-09-16 | 818939-12490 | 0.575 ppb |
2014-09-16 | 818941-12490 | 0.493 ppb |
2014-09-16 | 818945-12490 | 1.17 ppb |
2014-09-16 | 818937-12490 | 0.687 ppb |
2014-09-16 | 818943-12490 | 0.757 ppb |
2014-09-16 | 818908-12490 | 0.132 ppb |
2014-09-16 | 818933-12490 | 0.248 ppb |
2014-09-16 | 818947-12490 | 0.764 ppb |
2014-10-22 | 827624-12847 | 0.141 ppb |