Strontium
Carmichael Water District
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.
20
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.149 ppb | 8 | 8 | 0.0500 ppb - 0.280 ppb |
| 2015 | 0.116 ppb | 12 | 12 | 0.0550 ppb - 0.220 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 |
|---|---|---|
| 2014-12-04 | A4K2005-01A | 0.0520 ppb |
| 2014-12-04 | A4K2005-07A | 0.200 ppb |
| 2014-12-04 | A4K2005-04A | 0.140 ppb |
| 2014-12-04 | A4K2005-19A | 0.0500 ppb |
| 2014-12-04 | A4K2005-17A | 0.210 ppb |
| 2014-12-04 | A4K2005-15A | 0.200 ppb |
| 2014-12-04 | A4K2005-10A | 0.280 ppb |
| 2014-12-04 | A4K2005-13A | 0.0560 ppb |
| 2015-03-05 | A5B1905-04A | 0.0590 ppb |
| 2015-03-05 | A5B1905-01A | 0.0550 ppb |
| 2015-06-04 | A5E2080-07A | 0.220 ppb |
| 2015-06-04 | A5E2080-10A | 0.120 ppb |
| 2015-06-04 | A5E2080-12A | 0.190 ppb |
| 2015-06-04 | A5E2080-14A | 0.210 ppb |
| 2015-06-04 | A5E2071-04A | 0.0610 ppb |
| 2015-06-04 | A5E2080-01A | 0.110 ppb |
| 2015-06-04 | A5E2071-01A | 0.0560 ppb |
| 2015-06-04 | A5E2080-04A | 0.180 ppb |
| 2015-09-23 | A5H2575-04A | 0.0680 ppb |
| 2015-09-23 | A5H2575-01A | 0.0570 ppb |