Know Your Environment. Protect Your Health.

Strontium

King County Water District #125

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0360 ppb220.0360 ppb
20150.0332 ppb660.0300 ppb - 0.0380 ppb
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
2014-11-17201411180099AM0.0360 ppb
2014-11-17201411180245AM0.0360 ppb
2015-02-03201502040285AM0.0310 ppb
2015-02-03201502040564AM0.0300 ppb
2015-05-11201505120220AM0.0330 ppb
2015-05-11201505120362AM0.0330 ppb
2015-08-03201508040416AM0.0380 ppb
2015-08-12201508130868AM0.0340 ppb