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EWG's Tap Water Database — 2021 UPDATE

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Strontium

City of Norfolk

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
20130.0715 ppb440.0660 ppb - 0.0750 ppb
20140.0742 ppb12120.0560 ppb - 0.0930 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
2013-11-12201311130387AM0.0660 ppb
2013-11-12201311130370AM0.0710 ppb
2013-11-12201311130383AM0.0750 ppb
2013-11-20201311220209AM0.0740 ppb
2014-02-11201402120444AM0.0620 ppb
2014-02-11201402120421AM0.0560 ppb
2014-02-11201402120434AM0.0660 ppb
2014-02-11201402120440AM0.0660 ppb
2014-05-13201405140747AM0.0680 ppb
2014-05-13201405140534AM0.0800 ppb
2014-05-13201405140491AM0.0680 ppb
2014-05-13201405140708AM0.0860 ppb
2014-08-12201408130861AM0.0930 ppb
2014-08-12201408130844AM0.0850 ppb
2014-08-12201408130358AM0.0800 ppb
2014-08-12201408130644AM0.0800 ppb