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EWG's Tap Water Database — 2019 UPDATE

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Molybdenum

City of Lake Charles 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.

 

10

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
2013N/A00N/A
2014N/A00N/A
20150.910 ppb101ND - 9.10 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

Date Lab ID Result
2015-03-2535181144001AMND
2015-05-1835188955001AMND
2015-09-2335208696001AMND
2015-09-2335208696003AMND
2015-10-0835211214004AMND
2015-10-0835211214002AMND
2015-11-2335218081003AM9.10 ppb
2015-11-2335218081009AMND
2015-11-2335218081007AMND
2015-11-2335218081005AMND