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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

Western Allegheny County Mun A

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

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.183 ppb244ND - 1.30 ppb
2015ND80ND
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
2014-06-12201406130317AMND
2014-07-16201407180271AMND
2014-07-16201407180261AMND
2014-07-16201407180265AMND
2014-07-16201407180263AMND
2014-07-16201407180269AMND
2014-07-16201407180267AMND
2014-07-16201407180273AM1.10 ppb
2014-09-10201409120953AMND
2014-09-10201409120959AMND
2014-09-10201409120955AMND
2014-09-10201409120961AM1.000 ppb
2014-09-10201409120811AM1.30 ppb
2014-09-10201409120816AMND
2014-09-10201409120592AM1.000 ppb
2014-09-10201409120821AMND
2014-12-10201412120282AMND
2014-12-10201412120273AMND
2014-12-10201412120402AMND
2014-12-10201412120412AMND
2014-12-10201412120288AMND
2014-12-10201412120295AMND
2014-12-10201412120380AMND
2014-12-11201412120373AMND
2015-03-11201503120560AMND
2015-03-11201503120619AMND
2015-03-11201503120598AMND
2015-03-11201503120637AMND
2015-03-11201503120566AMND
2015-03-11201503120556AMND
2015-03-11201503120584AMND
2015-03-11201503130151AMND