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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Harvest-Monrovia 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND120ND
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
2014-10-233129537ND
2014-10-233129463ND
2014-10-233129471ND
2014-10-233129519ND
2015-01-153172493ND
2015-01-153172495ND
2015-01-213175806ND
2015-01-213175637ND
2015-04-063220398ND
2015-04-063220389ND
2015-04-063220385ND
2015-04-063220049ND
2015-04-063220420ND
2015-04-063220381ND
2015-07-093278646ND
2015-07-093278657ND