Strontium

Pasadena

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	0.655 ppb	25	25	0.300 ppb - 0.960 ppb
2014	N/A	0	0	N/A
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
2013-03-28	201303280333AM	0.440 ppb
2013-03-28	201303280390AM	0.360 ppb
2013-03-28	201303280392AM	0.340 ppb
2013-03-28	201303280376AM	0.710 ppb
2013-03-28	201303280329AM	0.700 ppb
2013-03-28	201303280335AM	0.660 ppb
2013-03-28	201303280352AM	0.320 ppb
2013-03-28	201303280381AM	0.300 ppb
2013-03-28	201303280373AM	0.760 ppb
2013-06-20	201306200442AM	0.870 ppb
2013-06-20	201306200453AM	0.800 ppb
2013-06-20	201306200410AM	0.810 ppb
2013-07-16	201307160507AM	0.830 ppb
2013-09-18	201309190001AM	0.900 ppb
2013-09-18	201309190005AM	0.300 ppb
2013-09-18	201309190003AM	0.900 ppb
2013-09-18	201309190009AM	0.870 ppb
2013-09-18	201309190013AM	0.880 ppb
2013-09-18	201309190043AM	0.400 ppb
2013-09-18	201309190011AM	0.380 ppb
2013-09-18	201309190007AM	0.340 ppb
2013-12-19	201312190424AM	0.870 ppb
2013-12-19	201312190426AM	0.840 ppb
2013-12-19	201312190417AM	0.960 ppb
2013-12-19	201312190422AM	0.840 ppb