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EWG's Tap Water Database — 2021 UPDATE

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Strontium

Wahiawa

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0700 ppb330.0670 ppb - 0.0720 ppb
20140.0673 ppb330.0630 ppb - 0.0700 ppb
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
2013-08-13201308150388AM0.0670 ppb
2013-08-13201308150379AM0.0710 ppb
2013-08-19201308210515AM0.0720 ppb
2014-02-05201402070355AM0.0630 ppb
2014-02-05201402070353AM0.0690 ppb
2014-02-20201402210315AM0.0700 ppb