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EWG's Tap Water Database — 2021 UPDATE

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Strontium

Pennsylvania American Water Pittsburgh

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
20140.303 ppb440.268 ppb - 0.384 ppb
20150.149 ppb12120.122 ppb - 0.175 ppb
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
2014-10-07271116010.268 ppb
2014-10-07273471010.290 ppb
2014-10-07273470010.269 ppb
2014-10-13271128010.384 ppb
2015-01-12278988010.141 ppb
2015-01-13278982010.144 ppb
2015-01-13278987010.154 ppb
2015-01-13278974010.142 ppb
2015-04-08285797010.158 ppb
2015-04-08285803010.174 ppb
2015-04-08285805010.175 ppb
2015-04-13285806010.123 ppb
2015-07-08295768010.159 ppb
2015-07-15295761010.127 ppb
2015-07-15295767010.167 ppb
2015-07-15295745010.122 ppb