Strontium

Redmond Water Department

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	0.0553 ppb	28	28	0.0120 ppb - 0.140 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
2014-03-18	201403190609AM	0.0420 ppb
2014-03-18	201403190605AM	0.0120 ppb
2014-03-18	201403190846AM	0.120 ppb
2014-03-18	201403190601AM	0.0400 ppb
2014-03-18	201403190626AM	0.140 ppb
2014-03-18	201403190603AM	0.0360 ppb
2014-03-18	201403190616AM	0.0420 ppb
2014-03-18	201403190618AM	0.0400 ppb
2014-03-19	201403200257AM	0.110 ppb
2014-03-19	201403200285AM	0.0440 ppb
2014-03-19	201403200279AM	0.0300 ppb
2014-03-19	201403200411AM	0.0340 ppb
2014-03-19	201403200223AM	0.0420 ppb
2014-03-19	201403200414AM	0.0400 ppb
2014-09-10	201409110810AM	0.0840 ppb
2014-09-10	201409110901AM	0.0430 ppb
2014-09-10	201409110583AM	0.130 ppb
2014-09-10	201409110753AM	0.0980 ppb
2014-09-10	201409110840AM	0.0350 ppb
2014-09-10	201409110825AM	0.0490 ppb
2014-09-15	201409160629AM	0.0410 ppb
2014-09-15	201409160591AM	0.0310 ppb
2014-09-15	201409160635AM	0.0520 ppb
2014-09-15	201409160405AM	0.0440 ppb
2014-09-23	201409240408AM	0.0440 ppb
2014-09-23	201409240410AM	0.0550 ppb
2014-10-20	201410210247AM	0.0330 ppb
2014-10-20	201410210088AM	0.0360 ppb