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EWG's Tap Water Database — 2021 UPDATE

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Strontium

San Jose State University

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
20140.503 ppb440.470 ppb - 0.550 ppb
20150.488 ppb440.420 ppb - 0.560 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
2014-07-14A4G0622-04A0.480 ppb
2014-07-14A4G0622-01A0.470 ppb
2014-10-06A4I1386-04A0.550 ppb
2014-10-06A4I1386-01A0.510 ppb
2015-01-21A4L2657-01A0.550 ppb
2015-01-21A4L2657-04A0.560 ppb
2015-04-06A5C0837-01A0.420 ppb
2015-04-06A5C0837-04A0.420 ppb