Strontium

Los Angeles Department of Water and Power

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	0.511 ppb	58	58	0.211 ppb - 0.953 ppb
2014	0.624 ppb	18	18	0.226 ppb - 1.04 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
2013-04-09	AW06664	0.211 ppb
2013-04-09	AW06666	0.213 ppb
2013-04-10	AW06678	0.749 ppb
2013-04-10	AW06736	0.276 ppb
2013-04-10	AW06732	0.286 ppb
2013-04-10	AW06734	0.278 ppb
2013-04-10	AW06672	0.795 ppb
2013-04-10	AW06674	0.779 ppb
2013-04-10	AW06676	0.743 ppb
2013-04-10	AW06730	0.259 ppb
2013-04-11	AW06722	0.596 ppb
2013-04-11	AW06670	0.702 ppb
2013-04-11	AW06668	0.734 ppb
2013-04-11	AW06682	0.251 ppb
2013-04-11	AW06714	0.226 ppb
2013-04-11	AW06716	0.216 ppb
2013-04-11	AW06720	0.278 ppb
2013-04-11	AW06728	0.390 ppb
2013-04-11	AW06724	0.585 ppb
2013-04-11	AW06726	0.438 ppb
2013-04-11	AW06718	0.282 ppb
2013-04-11	AW06680	0.263 ppb
2013-07-25	AW14493	0.435 ppb
2013-07-25	AW14481	0.219 ppb
2013-07-25	AW14487	0.255 ppb
2013-07-25	AW14485	0.234 ppb
2013-07-25	AW14483	0.242 ppb
2013-07-25	AW14489	0.262 ppb
2013-07-25	AW14479	0.225 ppb
2013-07-25	AW14491	0.422 ppb
2013-07-26	AW14600	0.923 ppb
2013-07-26	AW14604	0.508 ppb
2013-07-26	AW14596	0.912 ppb
2013-07-26	AW14594	0.908 ppb
2013-07-26	AW14592	0.922 ppb
2013-07-26	AW14602	0.477 ppb
2013-07-26	AW14598	0.925 ppb
2013-07-26	AW14590	0.899 ppb
2013-10-29	AW21560	0.549 ppb
2013-10-29	AW21554	0.287 ppb
2013-10-29	AW21562	0.481 ppb
2013-10-29	AW21564	0.485 ppb
2013-10-29	AW21556	0.288 ppb
2013-10-29	AW21558	0.664 ppb
2013-10-29	AW21550	0.279 ppb
2013-10-29	AW21552	0.279 ppb
2013-10-30	AW21586	0.456 ppb
2013-10-30	AW21582	0.869 ppb
2013-10-30	AW21574	0.336 ppb
2013-10-30	AW21584	0.550 ppb
2013-10-30	AW21578	0.918 ppb
2013-10-30	AW21588	0.335 ppb
2013-10-30	AW21580	0.938 ppb
2013-10-30	AW21576	0.874 ppb
2013-10-31	AW21568	0.953 ppb
2013-10-31	AW21566	0.950 ppb
2013-10-31	AW21570	0.407 ppb
2013-10-31	AW21572	0.423 ppb
2014-03-18	AX05570	0.226 ppb
2014-03-18	AX05576	0.236 ppb
2014-03-18	AX05572	0.278 ppb
2014-03-18	AX05580	0.310 ppb
2014-03-18	AX05578	0.309 ppb
2014-03-18	AX05574	0.274 ppb
2014-03-19	AX05662	0.934 ppb
2014-03-19	AX05670	0.259 ppb
2014-03-19	AX05672	0.260 ppb
2014-03-19	AX05664	0.937 ppb
2014-03-19	AX05668	0.515 ppb
2014-03-19	AX05666	0.498 ppb
2014-03-20	AX05776	1.04 ppb
2014-03-20	AX05774	1.04 ppb
2014-03-20	AX05768	1.04 ppb
2014-03-20	AX05770	1.01 ppb
2014-03-20	AX05772	1.04 ppb
2014-03-20	AX05778	1.03 ppb