Know Your Environment. Protect Your Health.

Strontium

King County Water District 111

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0764 ppb880.0500 ppb - 0.110 ppb
20140.0736 ppb880.0460 ppb - 0.110 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2013-08-2028817530.0880 ppb
2013-08-2028814680.0720 ppb
2013-08-2028812950.0790 ppb
2013-08-2028817610.0880 ppb
2013-08-2028817310.0500 ppb
2013-08-2028812870.0530 ppb
2013-08-2028817400.110 ppb
2013-08-2028814590.0710 ppb
2014-02-2529811610.0900 ppb
2014-02-2529810730.0720 ppb
2014-02-2529810470.0650 ppb
2014-02-2529811730.0910 ppb
2014-02-2529810560.0690 ppb
2014-02-2529810890.0460 ppb
2014-02-2529811360.110 ppb
2014-04-2930166230.0460 ppb