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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

California Water Service - Livermore

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

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.265 ppb204ND - 1.60 ppb
20150.186 ppb71ND - 1.30 ppb
2016ND10ND
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
2014-01-07201401080509AM1.20 ppb
2014-01-15201401170426AM1.30 ppb
2014-01-16201401170415AM1.20 ppb
2014-04-02201404030435AMND
2014-04-02201404030405AMND
2014-04-02201404030398AMND
2014-04-09201404100686AMND
2014-04-09201404100774AMND
2014-04-09201404100752AMND
2014-04-16201404220192AM1.60 ppb
2014-04-16201404220200AMND
2014-05-07201405080518AMND
2014-07-22201407250234AMND
2014-07-22201407250137AMND
2014-07-23201407240423AMND
2014-07-23201407240522AMND
2014-10-14201410150138AMND
2014-10-15201410160432AMND
2014-10-16201410170106AMND
2014-10-22201410230517AMND
2015-01-13201501140673AMND
2015-02-18201502190946AMND
2015-02-18201502190937AMND
2015-02-18201502191037AMND
2015-03-25201503260899AM1.30 ppb
2015-04-21201504220606AMND
2015-12-15201512160543AMND
2016-01-18201601190227AMND