Strontium
Golden State Water Company (GSWC) - South Arcadia
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.
18
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 |
|---|---|---|---|---|
| 2013 | 0.266 ppb | 9 | 9 | 0.230 ppb - 0.290 ppb |
| 2014 | 0.281 ppb | 9 | 9 | 0.250 ppb - 0.310 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 |
|---|---|---|
| 2013-12-18 | 3L19003-03A | 0.280 ppb |
| 2013-12-18 | 3L19003-07A | 0.230 ppb |
| 2013-12-18 | 3L19003-15A | 0.270 ppb |
| 2013-12-18 | 3L19003-17A | 0.270 ppb |
| 2013-12-18 | 3L19003-11A | 0.260 ppb |
| 2013-12-18 | 3L19003-13A | 0.290 ppb |
| 2013-12-18 | 3L19003-09A | 0.280 ppb |
| 2013-12-18 | 3L19003-05A | 0.260 ppb |
| 2013-12-18 | 3L19003-01A | 0.250 ppb |
| 2014-06-24 | 4F24039-13A | 0.290 ppb |
| 2014-06-24 | 4F24039-01A | 0.280 ppb |
| 2014-06-24 | 4F24039-05A | 0.280 ppb |
| 2014-06-24 | 4F24039-03A | 0.300 ppb |
| 2014-06-24 | 4F24039-15A | 0.260 ppb |
| 2014-06-24 | 4F24039-17A | 0.270 ppb |
| 2014-06-24 | 4F24039-09A | 0.310 ppb |
| 2014-06-24 | 4F24039-11A | 0.290 ppb |
| 2014-06-24 | 4F24039-07A | 0.250 ppb |