Strontium

City of Huntington Beach

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	0.756 ppb	7	7	0.556 ppb - 0.901 ppb
2014	0.611 ppb	19	19	0.236 ppb - 1.24 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
2013-03-04	3010053815	0.854 ppb
2013-03-05	3010053997	0.591 ppb
2013-06-10	3010053815-2	0.901 ppb
2013-06-11	3010053997-2	0.713 ppb
2013-09-03	3010053815-3	0.899 ppb
2013-09-04	3010053997-3	0.781 ppb
2013-12-10	3010053997-4	0.556 ppb
2014-02-05	3010053815-4A	1.07 ppb
2014-04-17	3010053809-1	0.558 ppb
2014-04-17	3010053808-1	0.388 ppb
2014-04-17	3010053995-1	0.504 ppb
2014-04-17	3010053807-1	0.898 ppb
2014-04-17	3010053803-1	0.236 ppb
2014-04-17	3010053804-1	0.441 ppb
2014-04-17	3010053802-1	0.557 ppb
2014-04-17	3010053806-1	1.04 ppb
2014-04-17	3010053805-1	0.274 ppb
2014-09-17	14090525	0.504 ppb
2014-09-17	14090526	0.673 ppb
2014-09-17	14090519	0.263 ppb
2014-09-17	14090522	0.942 ppb
2014-09-17	14090518	0.573 ppb
2014-09-17	14090524	0.320 ppb
2014-09-17	14090520	0.689 ppb
2014-09-17	14090521	0.439 ppb
2014-09-17	14090523	1.24 ppb