Strontium

Okaloosa County Water & Sewer System

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	0.819 ppb	18	18	0.570 ppb - 1.50 ppb
2014	0.764 ppb	18	18	0.510 ppb - 1.30 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	Result
2013-10-28	0.740 ppb
2013-10-29	0.610 ppb
2013-10-29	0.600 ppb
2013-10-29	0.620 ppb
2013-10-29	0.740 ppb
2013-10-29	0.950 ppb
2013-10-29	0.730 ppb
2013-10-29	0.570 ppb
2013-10-29	0.810 ppb
2013-10-29	1.50 ppb
2013-10-29	0.820 ppb
2013-10-29	0.610 ppb
2013-10-29	1.000 ppb
2013-10-29	1.20 ppb
2013-10-29	0.650 ppb
2013-10-30	0.740 ppb
2013-10-30	1.10 ppb
2013-11-20	0.760 ppb
2014-04-23	0.650 ppb
2014-04-23	0.590 ppb
2014-04-23	0.730 ppb
2014-04-23	0.590 ppb
2014-04-23	0.930 ppb
2014-04-23	0.530 ppb
2014-04-23	0.670 ppb
2014-04-23	1.30 ppb
2014-04-23	0.640 ppb
2014-04-29	0.700 ppb
2014-04-29	0.810 ppb
2014-04-29	0.810 ppb
2014-04-29	1.20 ppb
2014-04-30	0.610 ppb
2014-04-30	0.510 ppb
2014-04-30	0.720 ppb
2014-04-30	0.820 ppb
2014-06-25	0.950 ppb