Strontium
City of Deridder Water System
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 | 0.0427 ppb | 8 | 8 | 0.0356 ppb - 0.0510 ppb |
2014 | 0.0402 ppb | 8 | 8 | 0.0328 ppb - 0.0475 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 |
---|---|---|
2013-11-21 | 35117217015AM | 0.0438 ppb |
2013-11-21 | 35117217009AM | 0.0415 ppb |
2013-11-21 | 35117217011AM | 0.0479 ppb |
2013-11-21 | 35117217013AM | 0.0358 ppb |
2013-11-21 | 35117217001AM | 0.0510 ppb |
2013-11-21 | 35117217005AM | 0.0356 ppb |
2013-11-21 | 35117217003AM | 0.0494 ppb |
2013-11-21 | 35117217007AM | 0.0363 ppb |
2014-05-20 | 35138963015AM | 0.0332 ppb |
2014-05-20 | 35138963013AM | 0.0328 ppb |
2014-05-20 | 35138963011AM | 0.0469 ppb |
2014-05-20 | 35138963001AM | 0.0475 ppb |
2014-05-20 | 35138963009AM | 0.0455 ppb |
2014-05-20 | 35138963007AM | 0.0353 ppb |
2014-05-20 | 35138963003AM | 0.0475 ppb |
2014-05-20 | 35138963005AM | 0.0331 ppb |