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EWG's Tap Water Database — 2021 UPDATE

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Germanium

San Jose State University

NOTE: San Jose State University purchases water from San Jose Water Company which is required to test for germanium. Sample information shown below was taken by San Jose Water Company.

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

 

45

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
2018N/A00N/A
2019ND450ND

ppb = parts per billion

All test results

NOTE: San Jose State University purchases water from San Jose Water Company which is required to test for germanium. Sample information shown below was taken by San Jose Water Company.

Date Lab ID Result
2019-01-14201901170108ND
2019-01-15201901170109ND
2019-01-15201901170110ND
2019-01-15201901170106ND
2019-01-15201901170111ND
2019-01-17201901220198ND
2019-01-17201901220197ND
2019-01-17201901220195ND
2019-01-17201901220184ND
2019-01-17201901220190ND
2019-01-17201901220207ND
2019-01-17201901220191ND
2019-01-22201901260217ND
2019-01-22201901260218ND
2019-01-28201902020131ND
2019-01-28201902020130ND
2019-01-28201902020132ND
2019-01-31201902020128ND
2019-04-02201904050062ND
2019-04-02201904050063ND
2019-04-03201904050066ND
2019-04-03201904050064ND
2019-04-03201904050065ND
2019-07-08201907120344ND
2019-07-09201907120345ND
2019-07-10201907120387ND
2019-07-10201907120384ND
2019-07-10201907120385ND
2019-07-10201907120388ND
2019-07-10201907120386ND
2019-07-22201907260193ND
2019-07-22201907260191ND
2019-07-23201907230426ND
2019-07-23201907230431ND
2019-07-23201907230429ND
2019-07-23201907230428ND
2019-07-23201907230427ND
2019-07-23201907230430ND
2019-07-23201907230425ND
2019-07-24201907260192ND
2019-07-24201907260190ND
2019-10-23201910250294ND
2019-10-23201910250299ND
2019-10-23201910250298ND
2019-10-23201910250300ND