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EWG's Tap Water Database — 2021 UPDATE

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Molybdenum

California American Water Company - Antelope

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

 

72

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND560ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND160ND
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
2013-02-0520900601ND
2013-02-0520899601ND
2013-02-0620901101ND
2013-02-0620898701ND
2013-02-0620900301ND
2013-02-0620900401ND
2013-02-0620899201ND
2013-02-0620899401ND
2013-02-1120898901ND
2013-02-1120900701ND
2013-03-0520899001ND
2013-03-0520900001ND
2013-03-0520899301ND
2013-03-0520899901ND
2013-03-1120899501ND
2013-03-1120900901ND
2013-03-1120898801ND
2013-03-1120900101ND
2013-03-1220899801ND
2013-03-1220901001ND
2013-03-1220900201ND
2013-03-1220899101ND
2013-06-2722953801ND
2013-06-2722953701ND
2013-06-2722953601ND
2013-06-2720900801ND
2013-06-2722953901ND
2013-06-2720900501ND
2013-08-0723012401ND
2013-08-0723013901ND
2013-08-0723012601ND
2013-08-0723014401ND
2013-08-0823013101ND
2013-08-0823014301ND
2013-08-0823012901ND
2013-08-0823012301ND
2013-08-0823013801ND
2013-08-0823014001ND
2013-08-1223013001ND
2013-08-1223013601ND
2013-08-1223014801ND
2013-08-1223012701ND
2013-08-1223012501ND
2013-08-1323014701ND
2013-08-1323014101ND
2013-08-1323013301ND
2013-08-1323012201ND
2013-08-1523013701ND
2013-08-1523474501ND
2013-10-0123487301ND
2013-12-1224576101ND
2013-12-1224576001ND
2013-12-1224205501ND
2013-12-1224576201ND
2013-12-1224205401ND
2013-12-1224205601ND
2018-08-071233-018-1210ND
2018-08-071233-012-1030ND
2018-08-071233-011-1120ND
2018-08-071233-010-1310ND
2018-08-071233-009-0900ND
2018-08-081233-017-1010ND
2018-08-081233-016-1340ND
2018-08-081233-002-0920ND
2018-08-091233-008-1020ND
2018-08-091233-007-1130ND
2018-08-141233-013-1220ND
2018-08-141233-014-1045ND
2018-08-141233-006-1000ND
2018-08-141233-040-1040ND
2018-08-141233-004-0830ND
2018-08-141233-003-1130ND