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EWG's Tap Water Database

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Molybdenum

Clearwater Water 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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
20131.51 ppb76ND - 2.60 ppb
20140.910 ppb105ND - 2.80 ppb
20151.50 ppb111.50 ppb

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 40 ppb

The health guideline of 40 ppb for molybdenum was defined by the Environmental Protection Agency as a lifetime health-based limit for effects other than cancer. This health guideline protects against an increased risk of gout.

ppb = parts per billion.

All test results

Date Result
2013-12-062.10 ppb
2013-12-101.60 ppb
2013-12-111.90 ppb
2013-12-161.10 ppb
2013-12-16ND
2013-12-172.60 ppb
2013-12-181.30 ppb
2014-03-181.20 ppb
2014-03-18ND
2014-06-231.20 ppb
2014-06-231.70 ppb
2014-06-23ND
2014-06-24ND
2014-06-242.20 ppb
2014-06-24ND
2014-09-24ND
2014-10-092.80 ppb
2015-08-051.50 ppb