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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Howard County Department of Public Works

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
2014N/A00N/A
2015ND160ND
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
2015-01-282052020001ND
2015-01-282052019004ND
2015-01-282052020004ND
2015-01-282052019001ND
2015-04-232067208001ND
2015-04-232067209004ND
2015-04-232067208004ND
2015-04-232067209001ND
2015-07-292086326003ND
2015-07-292086326001ND
2015-07-302086326008ND
2015-07-302086326005ND
2015-10-292105018004ND
2015-10-292105017004ND
2015-10-292105018001ND
2015-10-292105017001ND