Strontium

Altoona Water Authority

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	0.0431 ppb	10	10	0.0170 ppb - 0.0630 ppb
2014	0.0370 ppb	32	32	0.0140 ppb - 0.0820 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
2013-11-18	201311190119AM	0.0280 ppb
2013-11-18	201311190109AM	0.0330 ppb
2013-11-18	201311190134AM	0.0250 ppb
2013-11-18	201311190095AM	0.0170 ppb
2013-11-19	201311200425AM	0.0580 ppb
2013-11-19	201311200331AM	0.0540 ppb
2013-11-19	201311200339AM	0.0630 ppb
2013-11-19	201311200384AM	0.0450 ppb
2013-11-19	201311200627AM	0.0460 ppb
2013-11-19	201311200367AM	0.0620 ppb
2014-02-25	201402260726AM	0.0370 ppb
2014-02-25	201402260667AM	0.0430 ppb
2014-02-25	201402260624AM	0.0820 ppb
2014-02-25	201402260842AM	0.0730 ppb
2014-02-25	201402260732AM	0.0600 ppb
2014-02-25	201402260697AM	0.0370 ppb
2014-02-26	201402270305AM	0.0210 ppb
2014-02-26	201402270296AM	0.0220 ppb
2014-02-26	201402270369AM	0.0200 ppb
2014-02-26	201402270315AM	0.0240 ppb
2014-02-26	201402270331AM	0.0200 ppb
2014-02-26	201402270177AM	0.0150 ppb
2014-05-27	201405280262AM	0.0520 ppb
2014-05-27	201405280308AM	0.0260 ppb
2014-05-27	201405280255AM	0.0290 ppb
2014-05-27	201405280302AM	0.0490 ppb
2014-05-28	201405290390AM	0.0200 ppb
2014-05-28	201405290463AM	0.0140 ppb
2014-05-28	201405290423AM	0.0400 ppb
2014-05-28	201405290394AM	0.0520 ppb
2014-05-28	201405290427AM	0.0220 ppb
2014-05-28	201405290639AM	0.0200 ppb
2014-08-20	201408210518AM	0.0650 ppb
2014-08-20	201408210520AM	0.0430 ppb
2014-08-20	201408210522AM	0.0610 ppb
2014-08-21	201408220523AM	0.0680 ppb
2014-08-21	201408220519AM	0.0210 ppb
2014-08-21	201408220521AM	0.0250 ppb
2014-08-21	201408220452AM	0.0140 ppb
2014-08-21	201408220555AM	0.0260 ppb
2014-08-21	201408220529AM	0.0360 ppb
2014-09-29	201409300395AM	0.0470 ppb