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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Swta - Main System

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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.394 ppb185ND - 1.90 ppb
20140.135 ppb262ND - 1.90 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
2013-12-101062890016ND
2013-12-1010628900041.90 ppb
2013-12-101062890001ND
2013-12-101062890025ND
2013-12-1010628900101.60 ppb
2013-12-101062890019ND
2013-12-101062890007ND
2013-12-101062890013ND
2013-12-101062890022ND
2013-12-171063809011ND
2013-12-171063809009ND
2013-12-1710638090071.40 ppb
2013-12-171063809003ND
2013-12-1710638090051.10 ppb
2013-12-171063809017ND
2013-12-1710638090131.10 ppb
2013-12-171063809001ND
2013-12-171063809015ND
2014-03-141076356003ND
2014-03-141076356001ND
2014-03-141076354003ND
2014-03-141076354001ND
2014-06-132012492033ND
2014-06-132012492018ND
2014-06-132012492041ND
2014-06-132012492008ND
2014-06-132012492036ND
2014-06-1320124920131.60 ppb
2014-06-132012492023ND
2014-06-1320124920281.90 ppb
2014-06-132012492006ND
2014-06-132012492001ND
2014-06-132012492031ND
2014-06-132012492021ND
2014-06-132012492026ND
2014-06-132012492011ND
2014-06-132012492016ND
2014-06-132012492038ND
2014-06-132012492003ND
2014-06-132012492043ND
2014-10-032032672001ND
2014-10-032032672005ND
2014-10-032032672007ND
2014-10-032032672003ND