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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Riverhead WD

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.483 ppb125ND - 1.30 ppb
20140.200 ppb122ND - 1.20 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
2013-09-18201309200390AMND
2013-09-18201309200394AMND
2013-09-18201309200396AMND
2013-09-18201309200384AM1.20 ppb
2013-09-18201309200398AM1.10 ppb
2013-09-18201309200392AM1.000 ppb
2013-09-18201309200388AMND
2013-09-18201309200382AM1.20 ppb
2013-09-18201309200386AMND
2013-09-20201309240332AMND
2013-09-20201309240328AM1.30 ppb
2013-09-20201309240330AMND
2014-03-1935131088001AM1.20 ppb
2014-03-1935131088003AMND
2014-03-1935131088005AMND
2014-03-1935131088007AMND
2014-03-1935131088009AMND
2014-03-2135132089005AMND
2014-03-2135132089001AMND
2014-03-2135132089006AMND
2014-03-2135132089003AMND
2014-03-2635131983001AMND
2014-03-2635131983003AM1.20 ppb
2014-03-2835132127001AMND