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EWG's Tap Water Database — 2021 UPDATE

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Germanium

ISU

NOTE: ISU purchases water from Ames Water Treatment Plant which is required to test for germanium. Sample information shown below was taken by Ames Water Treatment Plant.

Germanium is a naturally occuring element used as a component in semiconductors and fiber optics. Excessive exposures to germanium may harm the kidneys.

 

2

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

NOTE: ISU purchases water from Ames Water Treatment Plant which is required to test for germanium. Sample information shown below was taken by Ames Water Treatment Plant.

Date Lab ID Result
2018-05-08654884ND
2018-11-06737482ND