Strontium

City of Rosenberg

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
2014	0.430 ppb	12	12	0.389 ppb - 0.540 ppb
2015	0.454 ppb	12	12	0.430 ppb - 0.508 ppb
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
2014-09-08	Q1441916017	0.540 ppb
2014-09-08	Q1441916001	0.417 ppb
2014-09-08	Q1441916003	0.432 ppb
2014-09-08	Q1441916015	0.397 ppb
2014-09-08	Q1441916013	0.475 ppb
2014-09-08	Q1441916021	0.402 ppb
2014-09-08	Q1441916023	0.399 ppb
2014-09-08	Q1441916019	0.402 ppb
2014-09-08	Q1441916009	0.397 ppb
2014-09-08	Q1441916011	0.389 ppb
2014-09-08	Q1441916005	0.510 ppb
2014-09-08	Q1441916007	0.403 ppb
2015-03-16	Q1509420009	0.453 ppb
2015-03-16	Q1509420011	0.432 ppb
2015-03-16	Q1509420007	0.441 ppb
2015-03-16	Q1509420015	0.442 ppb
2015-03-16	Q1509420021	0.450 ppb
2015-03-16	Q1509420023	0.430 ppb
2015-03-16	Q1509420019	0.431 ppb
2015-03-16	Q1509420017	0.453 ppb
2015-03-16	Q1509420013	0.479 ppb
2015-03-16	Q1509420003	0.478 ppb
2015-03-16	Q1509420005	0.452 ppb
2015-03-16	Q1509420001	0.508 ppb