Molybdenum

City of California City

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

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	57.2 ppb	12	12	1.90 ppb - 150.0 ppb
2014	112.6 ppb	12	12	88.0 ppb - 140.0 ppb
2015	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	N/A	0	0	N/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
2013-08-01	A3G2533-09A	140.0 ppb
2013-08-01	A3G2533-07A	6.50 ppb
2013-08-01	A3G2533-03A	7.60 ppb
2013-08-01	A3G2533-15A	110.0 ppb
2013-08-01	A3G2533-13A	7.50 ppb
2013-08-01	A3G2533-05A	120.0 ppb
2013-08-01	A3G2533-01A	7.20 ppb
2013-08-01	A3G2533-11A	150.0 ppb
2013-08-01	A3G2533-19A	2.20 ppb
2013-08-01	A3G2533-17A	98.0 ppb
2013-11-06	A3J2239-01A	1.90 ppb
2013-11-06	A3J2239-04A	36.0 ppb
2014-01-22	A4A0099-01A	130.0 ppb
2014-01-22	A4A0099-03A	140.0 ppb
2014-01-22	A4A0111-01A	120.0 ppb
2014-01-22	A4A0111-03A	120.0 ppb
2014-01-22	A4A0099-09A	130.0 ppb
2014-01-22	A4A0099-13A	100.0 ppb
2014-01-22	A4A0099-15A	88.0 ppb
2014-01-22	A4A0099-11A	140.0 ppb
2014-01-22	A4A0099-05A	100.0 ppb
2014-01-22	A4A0099-07A	88.0 ppb
2014-04-15	A4C0714-03A	95.0 ppb
2014-04-15	A4C0714-01A	100.0 ppb