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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Portsmouth Water Works

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND90ND
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
2014-07-2135147413001AMND
2014-07-2135147413005AMND
2014-07-2135147413003AMND
2014-07-2135147413009AMND
2014-07-2135147413013AMND
2014-07-2135147413011AMND
2014-07-2135147413007AMND
2014-10-2735161945003AMND
2014-10-2735161945001AMND
2015-02-1035175709003AMND
2015-02-1035175709013AMND
2015-02-1035175709011AMND
2015-02-1035175709009AMND
2015-02-1035175709005AMND
2015-02-1035175709007AMND
2015-02-1035175709001AMND
2015-04-0735183708003AMND
2015-04-0735183708001AMND