Strontium

City of Fountain Valley

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	0.746 ppb	20	20	0.486 ppb - 1.05 ppb
2014	1.07 ppb	1	1	1.07 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
2013-01-07	3010069802	0.948 ppb
2013-01-07	3010069992	0.839 ppb
2013-01-08	3010069804	0.510 ppb
2013-01-08	3010069805	0.487 ppb
2013-01-09	3010069808	0.524 ppb
2013-01-09	3010069811	0.971 ppb
2013-01-10	3010069803	0.632 ppb
2013-03-04	3010069810	0.854 ppb
2013-03-18	3010069991	0.885 ppb
2013-06-10	3010069810-2	0.901 ppb
2013-06-24	3010069991-2	0.739 ppb
2013-07-09	3010069804-2	0.486 ppb
2013-07-09	3010069992-2	0.963 ppb
2013-07-09	3010069803-2	0.516 ppb
2013-07-09	3010069802-2	0.858 ppb
2013-07-10	3010069805-2	0.491 ppb
2013-07-10	3010069808-2	0.491 ppb
2013-09-03	3010069810-3	0.899 ppb
2013-09-16	3010069991-3	0.868 ppb
2013-12-16	3010069991-4	1.05 ppb
2014-02-05	3010069810-4A	1.07 ppb