Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Molybdenum

Bayleaf Master

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

 

233

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.72 ppb11853ND - 45.0 ppb
20151.60 ppb11545ND - 48.0 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
2014-09-08201409101000AMND
2014-09-08201409090419AMND
2014-09-08201409090404AMND
2014-09-08201409090438AM8.40 ppb
2014-09-08201409100867AMND
2014-09-08201409100785AM1.50 ppb
2014-09-08201409100862AMND
2014-09-08201409110309AM2.00 ppb
2014-09-08201409090509AMND
2014-09-08201409090398AM2.80 ppb
2014-09-08201409101010AM2.50 ppb
2014-09-10201409110836AMND
2014-09-10201409110641AMND
2014-09-10201409110842AM2.00 ppb
2014-09-10201409110623AMND
2014-09-10201409120792AMND
2014-09-10201409110611AMND
2014-09-10201409120849AM1.80 ppb
2014-09-10201409110733AMND
2014-09-10201409120846AM1.40 ppb
2014-09-11201409120824AM2.80 ppb
2014-09-11201409120556AMND
2014-09-11201409120586AMND
2014-09-11201409120566AMND
2014-09-11201409120561AM1.40 ppb
2014-09-15201409160528AM6.20 ppb
2014-09-15201409170392AMND
2014-09-15201409160512AMND
2014-09-15201409160641AMND
2014-09-15201409160280AM1.20 ppb
2014-09-15201409160643AM45.0 ppb
2014-09-15201409160517AM1.80 ppb
2014-09-15201409160409AMND
2014-09-15201409170410AM6.70 ppb
2014-09-15201409170404AM4.60 ppb
2014-09-16201409180294AM1.60 ppb
2014-09-16201409170769AMND
2014-09-16201409180308AM2.60 ppb
2014-09-16201409170773AMND
2014-09-16201409180359AMND
2014-09-16201409180283AM8.90 ppb
2014-09-16201409170859AMND
2014-09-17201409180747AMND
2014-09-17201409180597AMND
2014-09-17201409180629AMND
2014-09-17201409180637AMND
2014-09-17201409190322AM1.50 ppb
2014-09-17201409190240AMND
2014-09-17201409190298AMND
2014-09-17201409180613AMND
2014-09-17201409180745AMND
2014-09-17201409190302AMND
2014-09-17201409180617AMND
2014-09-17201409190308AM3.60 ppb
2014-09-17201409180731AMND
2014-09-17201409190305AMND
2014-09-18201409190437AM2.30 ppb
2014-09-18201409190422AM3.10 ppb
2014-09-18201409190468AM1.10 ppb
2014-09-18201409190443AMND
2014-09-18201409190451AM2.40 ppb
2014-09-18201409190433AMND
2014-09-18201409190431AM1.20 ppb
2014-09-22201409230403AMND
2014-09-22201409230393AMND
2014-09-22201409230540AMND
2014-09-22201409230171AM1.50 ppb
2014-09-22201409230411AMND
2014-09-22201409230358AM7.20 ppb
2014-09-22201409230408AMND
2014-09-22201409230330AMND
2014-09-22201409230349AMND
2014-09-22201409230354AM7.20 ppb
2014-09-22201409230206AMND
2014-09-23201409240562AMND
2014-09-23201409240435AM2.10 ppb
2014-09-23201409240366AM3.40 ppb
2014-09-23201409240473AMND
2014-09-23201409240461AMND
2014-09-23201409240424AM1.10 ppb
2014-09-23201409240383AM1.20 ppb
2014-09-23201409240488AMND
2014-09-23201409240422AMND
2014-09-23201409240506AMND
2014-09-24201409250539AM1.20 ppb
2014-09-24201409250492AMND
2014-09-24201409250594AM3.40 ppb
2014-09-24201409250589AMND
2014-09-24201409250494AMND
2014-09-24201409250629AM2.40 ppb
2014-09-24201409250601AM1.000 ppb
2014-09-24201409250487AM3.20 ppb
2014-09-24201409250506AMND
2014-09-24201409250599AM1.20 ppb
2014-09-24201409250623AMND
2014-09-24201409250619AMND
2014-09-24201409250633AMND
2014-09-24201409250587AM2.40 ppb
2014-09-24201409250627AM1.20 ppb
2014-10-22201410230493AM2.30 ppb
2014-10-22201410230342AMND
2014-10-22201410230275AM1.30 ppb
2014-10-22201410230321AM1.000 ppb
2014-10-22201410230327AMND
2014-10-22201410230435AMND
2014-10-22201410230283AM2.50 ppb
2014-10-22201410230491AM3.00 ppb
2014-10-23201410240152AM7.80 ppb
2014-10-23201410240192AMND
2014-10-28201410290232AM7.20 ppb
2014-10-28201410290230AMND
2014-10-28201410290234AM5.70 ppb
2014-10-28201410290225AM4.80 ppb
2014-10-28201410290228AM2.40 ppb
2014-10-28201410290374AM2.90 ppb
2014-10-29201410300247AM2.40 ppb
2014-10-29201410300244AMND
2014-10-29201410300253AMND
2015-03-02201503030745AM2.40 ppb
2015-03-02201503030747AMND
2015-03-02201503030260AM1.80 ppb
2015-03-02201503030753AMND
2015-03-02201503030313AMND
2015-03-02201503030262AM1.40 ppb
2015-03-02201503030421AMND
2015-03-02201503030398AM3.30 ppb
2015-03-03201503040340AMND
2015-03-03201503040347AMND
2015-03-03201503040447AM48.0 ppb
2015-03-03201503040312AM8.30 ppb
2015-03-03201503040382AMND
2015-03-03201503040756AMND
2015-03-03201503040385AMND
2015-03-03201503040753AM2.40 ppb
2015-03-03201503040768AMND
2015-03-03201503040430AM1.10 ppb
2015-03-03201503040772AMND
2015-03-03201503040468AMND
2015-03-04201503050520AM1.20 ppb
2015-03-04201503050466AMND
2015-03-04201503050451AM1.20 ppb
2015-03-04201503050468AMND
2015-03-04201503050481AMND
2015-03-04201503050555AM2.40 ppb
2015-03-04201503050477AM4.40 ppb
2015-03-04201503050479AM2.80 ppb
2015-03-05201503060133AMND
2015-03-05201503060336AM2.80 ppb
2015-03-05201503060180AMND
2015-03-05201503060339AMND
2015-03-05201503060334AMND
2015-03-05201503060186AMND
2015-03-05201503060315AMND
2015-03-05201503060182AMND
2015-03-09201503100534AM2.30 ppb
2015-03-09201503110233AM3.40 ppb
2015-03-09201503110200AMND
2015-03-09201503100899AM1.20 ppb
2015-03-09201503100583AMND
2015-03-09201503110239AMND
2015-03-09201503100581AM2.20 ppb
2015-03-09201503100585AMND
2015-03-09201503100901AM1.60 ppb
2015-03-09201503100601AM1.60 ppb
2015-03-09201503110210AM1.20 ppb
2015-03-09201503100919AMND
2015-03-10201503110880AMND
2015-03-10201503110874AMND
2015-03-10201503120188AMND
2015-03-10201503120191AMND
2015-03-10201503120234AMND
2015-03-10201503110945AMND
2015-03-10201503120240AMND
2015-03-10201503120238AMND
2015-03-10201503120185AMND
2015-03-10201503120242AMND
2015-03-10201503110931AMND
2015-03-10201503110872AMND
2015-03-11201503130171AMND
2015-03-11201503130153AMND
2015-03-11201503130173AMND
2015-03-11201503120554AM2.00 ppb
2015-03-11201503130131AMND
2015-03-11201503130148AM3.40 ppb
2015-03-11201503130143AMND
2015-03-11201503130166AMND
2015-03-11201503130164AMND
2015-03-12201503140176AM2.50 ppb
2015-03-12201503140204AMND
2015-03-12201503140206AMND
2015-03-12201503140179AM1.30 ppb
2015-03-12201503140187AM2.20 ppb
2015-03-12201503140202AM2.30 ppb
2015-03-12201503130169AM3.50 ppb
2015-03-12201503140191AMND
2015-03-12201503140172AM1.90 ppb
2015-03-12201503140189AM7.20 ppb
2015-03-12201503140197AM2.20 ppb
2015-03-16201503170673AM4.80 ppb
2015-03-16201503170735AM1.60 ppb
2015-03-16201503170561AMND
2015-03-16201503170490AMND
2015-03-16201503170715AMND
2015-03-16201503170717AM3.60 ppb
2015-03-16201503170675AMND
2015-03-16201503170540AM4.80 ppb
2015-03-16201503170679AM4.10 ppb
2015-03-16201503170719AMND
2015-03-16201503170523AM6.70 ppb
2015-03-17201503180515AMND
2015-03-17201503180484AMND
2015-03-17201503180738AMND
2015-03-17201503180528AMND
2015-03-17201503180548AMND
2015-03-17201503180446AMND
2015-03-17201503180461AMND
2015-03-17201503180830AMND
2015-03-17201503180467AMND
2015-03-17201503180819AMND
2015-03-17201503180736AM2.40 ppb
2015-03-17201503180519AM1.20 ppb
2015-03-18201503190491AM3.10 ppb
2015-03-18201503190562AM1.60 ppb
2015-03-18201503190489AMND
2015-03-18201503190548AMND
2015-03-18201503190524AM8.80 ppb
2015-03-18201503190508AMND
2015-03-24201503250413AMND
2015-03-24201503250532AMND
2015-03-30201503160248AM4.60 ppb
2015-03-30201503160246AMND
2015-03-30201503160250AM4.50 ppb
2015-03-30201503160249AM6.20 ppb