Strontium
City of Forest Grove
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 | 0.0311 ppb | 12 | 12 | 0.0250 ppb - 0.0380 ppb |
2014 | 0.0240 ppb | 4 | 4 | 0.0200 ppb - 0.0330 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 |
---|---|---|
2013-04-17 | 2812104 | 0.0360 ppb |
2013-04-17 | 2812100 | 0.0260 ppb |
2013-04-17 | 2812132 | 0.0360 ppb |
2013-04-17 | 2812130 | 0.0250 ppb |
2013-07-17 | 2863327 | 0.0350 ppb |
2013-07-17 | 2863370 | 0.0290 ppb |
2013-07-17 | 2863361 | 0.0280 ppb |
2013-07-17 | 2863353 | 0.0290 ppb |
2013-10-16 | WA97-SE3-13-1989 | 0.0374 ppb |
2013-10-16 | WA97-SE3-13-1989 | 0.0267 ppb |
2013-10-16 | WA97-SE3-13-1989 | 0.0380 ppb |
2013-10-16 | WA97-SE3-13-1989 | 0.0272 ppb |
2014-01-22 | WA97-SE4-14-0130 | 0.0330 ppb |
2014-01-22 | WA97-SE4-14-0130 | 0.0200 ppb |
2014-01-22 | WA97-SE4-14-0130 | 0.0200 ppb |
2014-01-22 | WA97-SE4-14-0130 | 0.0230 ppb |