Strontium
Chowchilla City Water Department
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 | 0.253 ppb | 28 | 28 | 0.150 ppb - 0.740 ppb |
2015 | 0.170 ppb | 2 | 2 | 0.170 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 |
---|---|---|
2014-02-11 | A4A1839-23A | 0.220 ppb |
2014-02-11 | A4A1839-03A | 0.150 ppb |
2014-02-11 | A4A1839-05A | 0.180 ppb |
2014-02-11 | A4A1839-01A | 0.160 ppb |
2014-02-11 | A4A1839-11A | 0.210 ppb |
2014-02-11 | A4A1839-09A | 0.730 ppb |
2014-02-11 | A4A1839-13A | 0.190 ppb |
2014-02-11 | A4A1839-25A | 0.220 ppb |
2014-02-11 | A4A1839-15A | 0.210 ppb |
2014-02-11 | A4A1839-17A | 0.220 ppb |
2014-02-11 | A4A1839-19A | 0.210 ppb |
2014-02-11 | A4A1839-27A | 0.200 ppb |
2014-05-20 | A4E1287-01A | 0.200 ppb |
2014-05-20 | A4E1287-04A | 0.200 ppb |
2014-08-26 | A4H0115-19A | 0.190 ppb |
2014-08-26 | A4H0115-22A | 0.170 ppb |
2014-08-26 | A4H0115-28A | 0.210 ppb |
2014-08-26 | A4H0115-10A | 0.210 ppb |
2014-08-26 | A4H0115-04A | 0.170 ppb |
2014-08-26 | A4H0115-39A | 0.190 ppb |
2014-08-26 | A4H0115-01A | 0.170 ppb |
2014-08-26 | A4H0115-24A | 0.170 ppb |
2014-08-26 | A4H0115-16A | 0.230 ppb |
2014-08-26 | A4H0115-32A | 0.230 ppb |
2014-08-26 | A4H0115-13A | 0.740 ppb |
2014-08-26 | A4H0115-36A | 0.190 ppb |
2014-08-26 | A4H0115-34A | 0.200 ppb |
2014-08-26 | A4H0115-30A | 0.720 ppb |
2015-03-03 | A5A2112-01A | 0.170 ppb |
2015-03-03 | A5A2112-04A | 0.170 ppb |