Strontium
City of Red Bluff
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 | 0.239 ppb | 26 | 26 | 0.140 ppb - 0.280 ppb |
2015 | 0.207 ppb | 24 | 24 | 0.120 ppb - 0.260 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 | Lab ID | Result |
---|---|---|
2014-12-15 | 4L17081-13A | 0.240 ppb |
2014-12-15 | 4L17080-05A | 0.200 ppb |
2014-12-15 | 4L17080-07A | 0.280 ppb |
2014-12-15 | 4L17080-01A | 0.170 ppb |
2014-12-15 | 4L17080-03A | 0.140 ppb |
2014-12-15 | 4L17080-15A | 0.250 ppb |
2014-12-15 | 4L17080-11A | 0.240 ppb |
2014-12-15 | 4L17080-17A | 0.220 ppb |
2014-12-15 | 4L17081-19A | 0.260 ppb |
2014-12-15 | 4L17081-09A | 0.250 ppb |
2014-12-15 | 4L17081-23A | 0.270 ppb |
2014-12-15 | 4L17081-15A | 0.250 ppb |
2014-12-15 | 4L17081-17A | 0.270 ppb |
2014-12-15 | 4L17081-11A | 0.260 ppb |
2014-12-15 | 4L17081-01A | 0.230 ppb |
2014-12-15 | 4L17081-07A | 0.270 ppb |
2014-12-15 | 4L17080-25A | 0.260 ppb |
2014-12-15 | 4L17080-13A | 0.200 ppb |
2014-12-15 | 4L17080-19A | 0.200 ppb |
2014-12-15 | 4L17080-21A | 0.260 ppb |
2014-12-15 | 4L17080-09A | 0.170 ppb |
2014-12-15 | 4L17080-23A | 0.250 ppb |
2014-12-15 | 4L17081-25A | 0.260 ppb |
2014-12-15 | 4L17081-21A | 0.270 ppb |
2014-12-15 | 4L17081-03A | 0.270 ppb |
2014-12-15 | 4L17081-05A | 0.280 ppb |
2015-06-22 | 5F23100-05A | 0.190 ppb |
2015-06-22 | 5F23100-15A | 0.230 ppb |
2015-06-22 | 5F23100-17A | 0.220 ppb |
2015-06-22 | 5F23100-09A | 0.140 ppb |
2015-06-22 | 5F23100-03A | 0.120 ppb |
2015-06-22 | 5F23100-01A | 0.160 ppb |
2015-06-22 | 5F23100-49A | 0.250 ppb |
2015-06-22 | 5F23100-07A | 0.250 ppb |
2015-06-22 | 5F23100-13A | 0.200 ppb |
2015-06-22 | 5F23100-39A | 0.230 ppb |
2015-06-22 | 5F23100-41A | 0.250 ppb |
2015-06-22 | 5F23100-47A | 0.250 ppb |
2015-06-22 | 5F23100-33A | 0.160 ppb |
2015-06-22 | 5F23100-35A | 0.230 ppb |
2015-06-22 | 5F23100-31A | 0.240 ppb |
2015-06-22 | 5F23100-29A | 0.260 ppb |
2015-06-22 | 5F23100-27A | 0.260 ppb |
2015-06-22 | 5F23100-25A | 0.160 ppb |
2015-06-22 | 5F23100-45A | 0.170 ppb |
2015-06-22 | 5F23100-21A | 0.210 ppb |
2015-06-22 | 5F23100-19A | 0.150 ppb |
2015-06-22 | 5F23100-37A | 0.170 ppb |
2015-06-22 | 5F23100-23A | 0.250 ppb |
2015-06-22 | 5F23100-11A | 0.210 ppb |