Strontium
Golden State Water Company (GSWC) - San Dimas
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.
36
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 | N/A | 0 | 0 | N/A |
| 2015 | 0.634 ppb | 36 | 36 | 0.330 ppb - 1.20 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 |
|---|---|---|
| 2015-01-21 | 5A21031-11A | 0.360 ppb |
| 2015-01-21 | 5A21031-13A | 0.410 ppb |
| 2015-01-21 | 5A21031-19A | 0.500 ppb |
| 2015-01-21 | 5A21031-15A | 0.400 ppb |
| 2015-01-21 | 5A21031-17A | 0.390 ppb |
| 2015-01-21 | 5A21031-05A | 0.610 ppb |
| 2015-01-21 | 5A21031-21A | 0.430 ppb |
| 2015-01-21 | 5A21031-09A | 0.350 ppb |
| 2015-01-21 | 5A21031-03A | 0.400 ppb |
| 2015-01-21 | 5A21031-07A | 1.10 ppb |
| 2015-01-21 | 5A21031-01A | 0.430 ppb |
| 2015-04-17 | 5D17033-13A | 0.490 ppb |
| 2015-04-17 | 5D17033-03A | 0.360 ppb |
| 2015-04-17 | 5D17033-01A | 1.10 ppb |
| 2015-04-17 | 5D17033-07A | 0.350 ppb |
| 2015-04-17 | 5D17033-11A | 0.910 ppb |
| 2015-04-17 | 5D17033-05A | 1.10 ppb |
| 2015-04-17 | 5D17033-09A | 0.930 ppb |
| 2015-07-21 | 5G21057-21A | 0.750 ppb |
| 2015-07-21 | 5G21057-05A | 0.600 ppb |
| 2015-07-21 | 5G21057-03A | 0.430 ppb |
| 2015-07-21 | 5G21057-01A | 0.440 ppb |
| 2015-07-21 | 5G21057-17A | 0.390 ppb |
| 2015-07-21 | 5G21057-07A | 1.10 ppb |
| 2015-07-21 | 5G21057-19A | 0.780 ppb |
| 2015-07-21 | 5G21057-13A | 0.790 ppb |
| 2015-07-21 | 5G21057-15A | 0.770 ppb |
| 2015-07-21 | 5G21057-09A | 0.340 ppb |
| 2015-07-21 | 5G21057-11A | 0.390 ppb |
| 2015-10-20 | 5J21034-07A | 0.700 ppb |
| 2015-10-20 | 5J21034-11A | 1.10 ppb |
| 2015-10-20 | 5J21034-13A | 0.990 ppb |
| 2015-10-20 | 5J21034-09A | 0.340 ppb |
| 2015-10-20 | 5J21034-01A | 1.20 ppb |
| 2015-10-20 | 5J21034-05A | 0.760 ppb |
| 2015-10-20 | 5J21034-03A | 0.330 ppb |