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EWG's Tap Water Database — 2021 UPDATE

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Strontium

City of Olympia

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0590 ppb20200.0398 ppb - 0.0880 ppb
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/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
2013-02-14WA97-SE1-13-02620.0578 ppb
2013-02-14WA97-SE1-13-02620.0618 ppb
2013-05-20WA97-SE1-13-08680.0510 ppb
2013-05-20WA97-SE1-13-08680.0685 ppb
2013-05-20WA97-SE1-13-08680.0458 ppb
2013-05-20WA97-SE2-13-08680.0527 ppb
2013-05-20WA97-SE1-13-08680.0880 ppb
2013-05-20WA97-SE2-13-08680.0530 ppb
2013-05-20WA97-SE1-13-08680.0790 ppb
2013-05-20WA97-SE1-13-08680.0484 ppb
2013-08-05WA97-SE3-13-14090.0556 ppb
2013-08-05WA97-SE3-13-14090.0545 ppb
2013-11-13WA97-SE4-13-21660.0486 ppb
2013-11-13WA97-SE2-13-21660.0816 ppb
2013-11-13WA97-SE2-13-21660.0745 ppb
2013-11-13WA97-SE2-13-21660.0488 ppb
2013-11-13WA97-SE4-13-21660.0500 ppb
2013-11-13WA97-SE2-13-21660.0398 ppb
2013-11-13WA97-SE2-13-21660.0680 ppb
2013-11-13WA97-SE2-13-21660.0523 ppb