Strontium

Dayton Valley Water 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	0.749 ppb	31	31	0.370 ppb - 1.40 ppb
2014	N/A	0	0	N/A
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
2013-02-20	1302601-001D	0.400 ppb
2013-02-20	1302604-001D	0.740 ppb
2013-02-20	1302608-001D	0.880 ppb
2013-02-20	1302603-001D	0.840 ppb
2013-02-20	1302599-001C	1.000 ppb
2013-02-20	1302595-001C	0.420 ppb
2013-02-20	1302594-001C	0.670 ppb
2013-02-20	1302597-001C	0.840 ppb
2013-02-20	1302598-001C	0.860 ppb
2013-02-20	1302596-001C	0.370 ppb
2013-02-20	1302602-001D	0.420 ppb
2013-02-20	1302605-001D	0.870 ppb
2013-02-20	1302600-001D	1.000 ppb
2013-02-20	1302606-001D	1.40 ppb
2013-02-20	1302607-001D	0.750 ppb
2013-06-10	1306239-001C	0.800 ppb
2013-06-10	1306237-001A	0.450 ppb
2013-08-26	1308878-001C	0.710 ppb
2013-08-26	1308882-001D	0.660 ppb
2013-08-26	1308880-001D	0.430 ppb
2013-08-26	1308881-001D	0.890 ppb
2013-08-26	1308883-001D	0.810 ppb
2013-08-26	1308885-001D	0.900 ppb
2013-08-26	1308884-001D	0.860 ppb
2013-08-26	1308875-001C	1.10 ppb
2013-08-26	1308877-001C	0.670 ppb
2013-08-26	1308886-001D	1.000 ppb
2013-08-26	1308887-001D	0.380 ppb
2013-08-26	1308876-001C	0.860 ppb
2013-08-26	1308874-001C	0.770 ppb
2013-08-26	1308879-001C	0.470 ppb