Strontium

Dallas Water Utility

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	0.309 ppb	18	18	0.195 ppb - 0.456 ppb
2015	0.293 ppb	6	6	0.269 ppb - 0.327 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
2014-04-08	Q1410915005	0.265 ppb
2014-04-08	Q1410915001	0.453 ppb
2014-04-08	Q1410915009	0.262 ppb
2014-04-08	Q1410915015	0.302 ppb
2014-04-08	Q1410915013	0.280 ppb
2014-04-08	Q1410915017	0.448 ppb
2014-07-15	Q1428070005	0.286 ppb
2014-07-15	Q1428070009	0.244 ppb
2014-07-15	Q1428070015	0.456 ppb
2014-07-15	Q1428070013	0.290 ppb
2014-07-15	Q1428070001	0.420 ppb
2014-07-15	Q1428070017	0.440 ppb
2014-10-21	Q1453299005	0.251 ppb
2014-10-21	Q1453299001	0.264 ppb
2014-10-21	Q1453299015	0.195 ppb
2014-10-21	Q1453299017	0.266 ppb
2014-10-21	Q1453299013	0.237 ppb
2014-10-21	Q1453299009	0.197 ppb
2015-01-13	Q1500512013	0.276 ppb
2015-01-13	Q1500512015	0.290 ppb
2015-01-13	Q1500512017	0.311 ppb
2015-01-13	Q1500512009	0.287 ppb
2015-01-13	Q1500512005	0.269 ppb
2015-01-13	Q1500512001	0.327 ppb