Strontium

Golden State Water Company (GSWC) - Bell, Bell Gardens

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	0.503 ppb	10	10	0.390 ppb - 0.860 ppb
2014	0.515 ppb	8	8	0.410 ppb - 0.880 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
2013-07-10	201307100979AM	0.460 ppb
2013-07-10	201307100973AM	0.630 ppb
2013-07-10	201307100977AM	0.430 ppb
2013-07-10	201307100975AM	0.430 ppb
2013-07-10	201307100983AM	0.470 ppb
2013-07-10	201307100981AM	0.450 ppb
2013-07-30	201307300522AM	0.500 ppb
2013-08-27	201308270658AM	0.860 ppb
2013-08-27	201308270660AM	0.390 ppb
2013-08-27	201308270662AM	0.410 ppb
2014-01-17	201401180047AM	0.430 ppb
2014-01-17	201401180049AM	0.440 ppb
2014-01-17	201401180037AM	0.880 ppb
2014-01-17	201401180041AM	0.410 ppb
2014-01-17	201401180035AM	0.620 ppb
2014-01-17	201401180045AM	0.410 ppb
2014-01-17	201401180039AM	0.440 ppb
2014-01-17	201401180043AM	0.490 ppb