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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Cassatt Water Kershaw-lee Company RWA

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.09 ppb144ND - 6.50 ppb
2015ND20ND
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
2014-05-05201405070312AM2.20 ppb
2014-05-05201405070358AMND
2014-05-05201405070174AMND
2014-05-05201405070303AM3.60 ppb
2014-05-05201405070305AMND
2014-05-05201405070314AMND
2014-08-04201408060353AMND
2014-08-04201408060301AMND
2014-11-03201411050250AM2.90 ppb
2014-11-03201411050539AMND
2014-11-03201411050311AMND
2014-11-03201411050230AMND
2014-11-03201411050426AM6.50 ppb
2014-11-03201411050669AMND
2015-02-02201502040527AMND
2015-02-02201502040529AMND