Strontium
Arapahoe Cnty Wwwa
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 | 0.534 ppb | 31 | 31 | 0.00140 ppb - 1.10 ppb |
2015 | 0.720 ppb | 1 | 1 | 0.720 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 |
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 | Result |
---|---|
2014-05-06 | 0.890 ppb |
2014-05-06 | 0.330 ppb |
2014-05-06 | 0.150 ppb |
2014-05-06 | 0.650 ppb |
2014-05-06 | 1.000 ppb |
2014-05-06 | 0.280 ppb |
2014-05-06 | 0.280 ppb |
2014-05-07 | 0.160 ppb |
2014-05-07 | 0.680 ppb |
2014-05-07 | 0.00140 ppb |
2014-05-07 | 0.710 ppb |
2014-05-07 | 0.310 ppb |
2014-05-07 | 0.610 ppb |
2014-05-07 | 0.150 ppb |
2014-05-07 | 0.170 ppb |
2014-05-14 | 0.420 ppb |
2014-11-10 | 0.310 ppb |
2014-11-10 | 0.940 ppb |
2014-11-10 | 0.410 ppb |
2014-11-10 | 0.630 ppb |
2014-11-10 | 0.890 ppb |
2014-11-10 | 1.10 ppb |
2014-11-10 | 0.800 ppb |
2014-11-10 | 0.450 ppb |
2014-11-12 | 0.800 ppb |
2014-11-17 | 0.980 ppb |
2014-11-17 | 0.390 ppb |
2014-11-17 | 0.390 ppb |
2014-11-18 | 0.380 ppb |
2014-11-19 | 0.280 ppb |
2014-11-20 | 1.000 ppb |
2015-06-25 | 0.720 ppb |