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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

St Charles

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.714 ppb144ND - 2.60 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
2014-02-1124789801ND
2014-02-11247899012.60 ppb
2014-02-1124789701ND
2014-02-1124790101ND
2014-02-11247900012.50 ppb
2014-02-1924789601ND
2014-04-1424790201ND
2014-08-1826745201ND
2014-08-1926745701ND
2014-08-19267454012.60 ppb
2014-08-1926745301ND
2014-08-1926745101ND
2014-08-1926745601ND
2014-08-19267455012.30 ppb