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EWG's Tap Water Database — 2021 UPDATE

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Strontium

Hartington, City of

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.630 ppb10100.540 ppb - 0.752 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
2014-03-24105933P0.540 ppb
2014-03-24105934P0.580 ppb
2014-03-24105935P0.590 ppb
2014-03-24305858P0.600 ppb
2014-03-24105932P0.610 ppb
2014-09-24109079P0.590 ppb
2014-09-24109080P0.643 ppb
2014-09-24309156P0.680 ppb
2014-09-24109078P0.712 ppb
2014-09-24109081P0.752 ppb