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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

La Crosse Waterworks

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND290ND
20150.275 ppb41ND - 1.10 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
2014-06-10201406110967AMND
2014-06-10201406110900AMND
2014-06-16201406180256AMND
2014-06-16201406170316AMND
2014-06-24201406250372AMND
2014-07-07201407080429AMND
2014-07-07201407090584AMND
2014-07-07201407080435AMND
2014-07-07201407090586AMND
2014-07-07201407090578AMND
2014-07-07201407080431AMND
2014-07-07201407080433AMND
2014-07-07201407090582AMND
2014-07-07201407090580AMND
2014-07-21201407220138AMND
2014-07-21201407220136AMND
2014-07-23201407240488AMND
2014-12-08201412090513AMND
2014-12-08201412090588AMND
2014-12-08201412090769AMND
2014-12-08201412090773AMND
2014-12-08201412090775AMND
2014-12-08201412090550AMND
2014-12-08201412090511AMND
2014-12-08201412090763AMND
2014-12-09201412100427AMND
2014-12-09201412100412AMND
2014-12-09201412100433AMND
2014-12-09201412100782AMND
2015-05-04201505050286AMND
2015-06-16201506040135AMND
2015-06-16201506040133AMND
2015-06-16201506040131AM1.10 ppb