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EWG's Tap Water Database — 2019 UPDATE

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Molybdenum

Berwyn

NOTE: Berwyn purchases water from City of Chicago which is required to test for molybdenum. Sample information shown below was taken by City of Chicago.

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
2012N/A00N/A
20130.938 ppb87ND - 1.10 ppb
20141.08 ppb12121.000 ppb - 1.10 ppb
20151.05 ppb441.000 ppb - 1.10 ppb
2016N/A00N/A
2017N/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

NOTE: Berwyn purchases water from City of Chicago which is required to test for molybdenum. Sample information shown below was taken by City of Chicago.

Date Lab ID Result
2014-04-2830157411.10 ppb
2014-04-2830157081.10 ppb
2014-04-2830157181.000 ppb
2014-04-2830157571.000 ppb
2014-08-1330817461.10 ppb
2014-08-1330817261.10 ppb
2014-08-1330817491.10 ppb
2014-08-1330817341.000 ppb
2014-10-0731189921.10 ppb
2014-10-0731189731.10 ppb
2014-10-0731189881.10 ppb
2014-10-0731189771.10 ppb
2015-01-1331695341.000 ppb
2015-01-1331695381.000 ppb
2015-01-1331693811.10 ppb
2015-01-1331694011.10 ppb