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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Crystal Clear WSC

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.170 ppb122ND - 1.02 ppb
20150.134 ppb182ND - 1.31 ppb
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
2014-10-28Q1454120001ND
2014-10-28Q1454120005ND
2014-10-28Q1454120003ND
2014-10-28Q14541200071.02 ppb
2014-10-28Q1454120015ND
2014-10-28Q14541200131.02 ppb
2014-10-28Q1454120009ND
2014-10-28Q1454120011ND
2014-10-28Q1454120017ND
2014-10-28Q1454120021ND
2014-10-28Q1454120019ND
2014-10-28Q1454120023ND
2015-01-26Q15025880031.10 ppb
2015-01-26Q1502588009ND
2015-01-26Q15025880011.31 ppb
2015-01-26Q1502588011ND
2015-04-22Q1514967009ND
2015-04-22Q1514967003ND
2015-04-22Q1514967007ND
2015-04-22Q1514967005ND
2015-04-22Q1514967013ND
2015-04-22Q1514967015ND
2015-04-22Q1514967001ND
2015-04-22Q1514967019ND
2015-04-22Q1514967017ND
2015-04-22Q1514967011ND
2015-07-30Q1529561007ND
2015-07-30Q1529561009ND
2015-07-30Q1529561003ND
2015-07-30Q1529561001ND