Strontium

City of Alhambra

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	0.576 ppb	26	26	0.230 ppb - 1.20 ppb
2015	1.10 ppb	2	2	1.10 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
2014-04-10	4D10051-07A	0.320 ppb
2014-04-10	4D10051-03A	0.610 ppb
2014-04-10	4D10051-09A	0.240 ppb
2014-04-10	4D10051-01A	0.970 ppb
2014-04-10	4D10051-11A	1.000 ppb
2014-04-10	4D10051-05A	0.470 ppb
2014-04-10	4D10051-13A	0.600 ppb
2014-04-10	4D10051-17A	0.530 ppb
2014-04-10	4D10051-19A	0.230 ppb
2014-04-10	4D10051-15A	0.480 ppb
2014-04-30	4D30060-03A	0.350 ppb
2014-04-30	4D30060-01A	0.360 ppb
2014-07-08	4G08039-03A	1.20 ppb
2014-07-08	4G08039-01A	1.10 ppb
2014-10-01	4J01047-17A	0.370 ppb
2014-10-01	4J01047-19A	0.370 ppb
2014-10-01	4J01047-13A	0.560 ppb
2014-10-01	4J01047-09A	0.370 ppb
2014-10-01	4J01047-15A	0.430 ppb
2014-10-01	4J01047-11A	1.10 ppb
2014-10-01	4J01047-05A	0.460 ppb
2014-10-01	4J01047-01A	1.10 ppb
2014-10-01	4J01047-07A	0.380 ppb
2014-10-01	4J01047-03A	0.580 ppb
2014-10-16	4J16049-03A	0.480 ppb
2014-10-16	4J16049-01A	0.310 ppb
2015-01-06	5A06061-03A	1.10 ppb
2015-01-06	5A06061-01A	1.10 ppb