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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Alameda County Water District

Molybdenum is a metal that occurs naturally in soil, minerals and water. People who ingest large amounts can have increased levels of uric acid and gout-like symptoms.

MORE ABOUT THIS CONTAMINANT

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.396 ppb267ND - 2.20 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 40 ppb

The EWG Health Guideline of 40 ppb for molybdenum was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against metabolic changes and excess formation of uric acid in the blood.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-24201403250273AM1.20 ppb
2014-03-24201403250220AMND
2014-03-24201403250197AMND
2014-03-24201403250195AMND
2014-03-24201403250270AMND
2014-03-24201403250222AMND
2014-03-24201403250212AMND
2014-06-02201406030456AMND
2014-06-02201406030452AM2.20 ppb
2014-06-02201406030458AMND
2014-06-02201406030464AMND
2014-06-02201406030462AM1.20 ppb
2014-06-02201406030460AM1.80 ppb
2014-06-02201406030454AM1.60 ppb
2014-09-08201409090358AMND
2014-09-08201409090356AM1.20 ppb
2014-09-08201409090384AMND
2014-09-08201409090360AMND
2014-09-08201409090364AMND
2014-09-08201409090386AMND
2014-09-08201409090362AM1.10 ppb
2014-12-08201412090323AMND
2014-12-08201412090319AMND
2014-12-08201412090317AMND
2014-12-08201412090325AMND
2014-12-08201412090321AMND