Strontium

City of Angleton

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	0.403 ppb	12	12	0.340 ppb - 0.481 ppb
2014	0.500 ppb	12	12	0.476 ppb - 0.522 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	Lab ID	Result
2013-08-27	Q1306185003	0.365 ppb
2013-08-27	Q1306185007	0.397 ppb
2013-08-27	Q1306185009	0.368 ppb
2013-08-27	Q1306185005	0.340 ppb
2013-08-27	Q1306185001	0.481 ppb
2013-08-27	Q1306185011	0.369 ppb
2013-11-20	Q1314129003	0.416 ppb
2013-11-20	Q1314129005	0.417 ppb
2013-11-20	Q1314129011	0.423 ppb
2013-11-20	Q1314129001	0.423 ppb
2013-11-20	Q1314129009	0.426 ppb
2013-11-20	Q1314129007	0.416 ppb
2014-02-25	Q1405933003	0.486 ppb
2014-02-25	Q1405933009	0.488 ppb
2014-02-25	Q1405933011	0.499 ppb
2014-02-25	Q1405933007	0.476 ppb
2014-02-25	Q1405933001	0.489 ppb
2014-02-25	Q1405933005	0.494 ppb
2014-05-19	Q1416779009	0.510 ppb
2014-05-19	Q1416779001	0.512 ppb
2014-05-19	Q1416779005	0.517 ppb
2014-05-19	Q1416779003	0.492 ppb
2014-05-19	Q1416779011	0.522 ppb
2014-05-19	Q1416779007	0.517 ppb