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EWG's Tap Water Database — 2021 UPDATE

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Strontium

Western Rockcastle Water Assoc

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
20140.0745 ppb440.0690 ppb - 0.0780 ppb
20150.0873 ppb440.0850 ppb - 0.0900 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
2014-07-21201407300171AM0.0690 ppb
2014-07-21201407300173AM0.0750 ppb
2014-10-22201410280330AM0.0760 ppb
2014-10-22201410280328AM0.0780 ppb
2015-01-20201501270215AM0.0870 ppb
2015-01-20201501270213AM0.0870 ppb
2015-04-22201504280103AM0.0900 ppb
2015-04-22201504280101AM0.0850 ppb