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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Harrison County Water Assoc

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

 

32

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20144.91 ppb2414ND - 41.0 ppb
20150.475 ppb83ND - 1.40 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
2014-06-16201406240077AM4.20 ppb
2014-06-16201406240064AMND
2014-06-16201406240062AMND
2014-06-16201406240075AM4.30 ppb
2014-06-17201406240071AM1.20 ppb
2014-06-17201406240089AM10.00 ppb
2014-06-17201406240073AM1.000 ppb
2014-06-17201406240087AM12.0 ppb
2014-09-15201409250051AM19.0 ppb
2014-09-15201409250053AM41.0 ppb
2014-09-15201409250049AM9.60 ppb
2014-09-15201409250328AMND
2014-09-15201409250241AMND
2014-09-15201409250047AMND
2014-09-15201409250326AMND
2014-09-15201409250239AM1.000 ppb
2014-12-11201412180354AMND
2014-12-11201412170305AM1.40 ppb
2014-12-11201412170307AMND
2014-12-11201412170297AM3.00 ppb
2014-12-11201412170291AM7.40 ppb
2014-12-11201412180352AMND
2014-12-11201412170295AM2.80 ppb
2014-12-11201412170289AMND
2015-03-19201503240418AMND
2015-03-19201503240432AM1.40 ppb
2015-03-19201503240430AMND
2015-03-19201503240402AMND
2015-03-19201503240420AMND
2015-03-19201503240376AM1.30 ppb
2015-03-19201503240374AM1.10 ppb
2015-03-19201503240400AMND