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EWG's Tap Water Database — 2021 UPDATE

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Strontium

Pawc Huntsville

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
20130.0301 ppb660.0225 ppb - 0.0395 ppb
20140.0295 ppb220.0259 ppb - 0.0331 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
2013-04-10215859010.0336 ppb
2013-04-10215865010.0225 ppb
2013-07-10228150010.0253 ppb
2013-07-10228142010.0339 ppb
2013-10-09235183010.0395 ppb
2013-11-06241939010.0258 ppb
2014-01-08244060010.0331 ppb
2014-01-08244065010.0259 ppb