Strontium

City of Cleburne

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	0.229 ppb	10	10	0.120 ppb - 0.299 ppb
2015	0.210 ppb	15	15	0.120 ppb - 0.258 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
2014-07-08	Q1426109011	0.290 ppb
2014-07-08	Q1426109007	0.166 ppb
2014-07-08	Q1426109013	0.295 ppb
2014-07-08	Q1426109015	0.280 ppb
2014-07-08	Q1426109009	0.299 ppb
2014-07-08	Q1426109001	0.286 ppb
2014-07-08	Q1426109005	0.120 ppb
2014-07-08	Q1426109003	0.138 ppb
2014-10-22	Q1453404003	0.206 ppb
2014-10-22	Q1453404001	0.210 ppb
2015-01-21	Q1501655003	0.138 ppb
2015-01-21	Q1501655017	0.122 ppb
2015-01-21	Q1501655011	0.244 ppb
2015-01-21	Q1501655005	0.120 ppb
2015-01-21	Q1501655015	0.236 ppb
2015-01-21	Q1501655013	0.241 ppb
2015-01-21	Q1501655019	0.243 ppb
2015-01-21	Q1501655021	0.244 ppb
2015-01-21	Q1501655025	0.237 ppb
2015-01-21	Q1501655023	0.258 ppb
2015-01-21	Q1501655009	0.164 ppb
2015-01-21	Q1501655007	0.162 ppb
2015-01-21	Q1501655001	0.253 ppb
2015-04-01	Q1511922001	0.243 ppb
2015-04-01	Q1511922003	0.242 ppb