Strontium

Bethesda WSC

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	0.337 ppb	72	72	0.0750 ppb - 1.38 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
2013-02-18	1302519-041A	0.361 ppb
2013-02-18	1302519-017A	0.821 ppb
2013-02-18	1302519-015A	0.371 ppb
2013-02-18	1302519-025A	0.263 ppb
2013-02-18	1302519-019A	0.281 ppb
2013-02-18	1302519-027A	0.264 ppb
2013-02-18	1302519-001A	0.736 ppb
2013-02-18	1302519-003A	0.458 ppb
2013-02-18	1302519-009A	0.388 ppb
2013-02-18	1302519-011A	0.838 ppb
2013-02-18	1302519-013A	0.361 ppb
2013-02-18	1302519-043A	0.0767 ppb
2013-02-18	1302519-029A	0.439 ppb
2013-02-18	1302519-031A	0.288 ppb
2013-02-18	1302519-039A	0.317 ppb
2013-02-18	1302519-047A	0.715 ppb
2013-02-18	1302519-051A	0.419 ppb
2013-02-18	1302519-035A	0.342 ppb
2013-02-18	1302519-049A	1.09 ppb
2013-02-18	1302519-045A	0.475 ppb
2013-02-18	1302519-037A	1.38 ppb
2013-02-18	1302519-023A	0.0810 ppb
2013-02-18	1302519-033A	0.662 ppb
2013-02-18	1302519-021A	0.490 ppb
2013-02-18	1302519-005A	0.391 ppb
2013-02-18	1302519-007A	1.08 ppb
2013-02-28	1302519-077A	0.0817 ppb
2013-02-28	1302519-083A	0.0829 ppb
2013-02-28	1302519-087A	0.0838 ppb
2013-02-28	1302519-079A	0.0843 ppb
2013-02-28	1302519-081A	0.0801 ppb
2013-02-28	1302519-085A	0.0834 ppb
2013-02-28	1302519-075A	0.0762 ppb
2013-02-28	1302519-073A	0.1000 ppb
2013-05-22	Q1301418001	0.265 ppb
2013-05-22	Q1301418003	0.269 ppb
2013-08-12	Q1305399029	0.587 ppb
2013-08-12	Q1305399033	0.256 ppb
2013-08-12	Q1305399057	0.226 ppb
2013-08-12	Q1305399037	0.545 ppb
2013-08-12	Q1305399047	0.369 ppb
2013-08-12	Q1305399043	0.358 ppb
2013-08-12	Q1305399019	0.271 ppb
2013-08-12	Q1305399051	0.239 ppb
2013-08-12	Q1305399023	0.551 ppb
2013-08-12	Q1305399039	0.246 ppb
2013-08-12	Q1305399027	0.381 ppb
2013-08-12	Q1305399031	0.238 ppb
2013-08-12	Q1305399041	0.345 ppb
2013-08-12	Q1305399003	0.243 ppb
2013-08-12	Q1305399007	0.263 ppb
2013-08-13	Q1305399035	0.0790 ppb
2013-08-13	Q1305399009	0.323 ppb
2013-08-13	Q1305399013	0.0769 ppb
2013-08-13	Q1305399015	0.540 ppb
2013-08-13	Q1305399025	0.327 ppb
2013-08-13	Q1305399001	0.239 ppb
2013-08-13	Q1305399011	0.0889 ppb
2013-08-13	Q1305399053	0.0786 ppb
2013-08-13	Q1305399045	0.241 ppb
2013-08-13	Q1305399059	0.231 ppb
2013-08-13	Q1305399055	0.0750 ppb
2013-08-13	Q1305399065	0.297 ppb
2013-08-13	Q1305399005	0.382 ppb
2013-08-13	Q1305399049	0.0806 ppb
2013-08-13	Q1305399021	0.0808 ppb
2013-08-13	Q1305399063	0.276 ppb
2013-08-13	Q1305399017	0.0792 ppb
2013-08-13	Q1305399061	0.0825 ppb
2013-09-19	Q1307762001	0.427 ppb
2013-11-14	Q1313379001	0.274 ppb
2013-11-14	Q1313379003	0.267 ppb