Strontium

City of Sherman

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	0.171 ppb	26	26	0.0472 ppb - 0.552 ppb
2015	0.0704 ppb	2	2	0.0661 ppb - 0.0747 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
2014-03-24	Q1409267001	0.359 ppb
2014-03-24	Q1409267009	0.421 ppb
2014-03-24	Q1409267003	0.260 ppb
2014-03-24	Q1409267007	0.0763 ppb
2014-03-24	Q1409267011	0.264 ppb
2014-03-24	Q1409267013	0.0520 ppb
2014-03-24	Q1409267005	0.0987 ppb
2014-03-31	Q1410032005	0.136 ppb
2014-03-31	Q1410032001	0.0530 ppb
2014-03-31	Q1410032003	0.0530 ppb
2014-06-16	Q1421201001	0.215 ppb
2014-06-16	Q1421201003	0.215 ppb
2014-09-29	Q1448928021	0.144 ppb
2014-09-29	Q1448928001	0.353 ppb
2014-09-29	Q1448928023	0.0734 ppb
2014-09-29	Q1448928017	0.125 ppb
2014-09-29	Q1448928019	0.552 ppb
2014-09-29	Q1448928011	0.0589 ppb
2014-09-29	Q1448928015	0.0936 ppb
2014-09-29	Q1448928009	0.0472 ppb
2014-09-29	Q1448928007	0.0486 ppb
2014-09-29	Q1448928013	0.106 ppb
2014-09-29	Q1448928003	0.0864 ppb
2014-09-29	Q1448928005	0.0650 ppb
2014-12-29	Q1460911003	0.271 ppb
2014-12-29	Q1460911001	0.216 ppb
2015-04-23	Q1515129003	0.0661 ppb
2015-04-23	Q1515129001	0.0747 ppb