Vanadium

Morro Bay PW Department - Water Division

Vanadium is a metal used in steels and other alloys. People are commonly exposed to vanadium in water and food. Excessive exposure can be toxic during pregnancy and childhood.

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	2.00 ppb	2	2	1.90 ppb - 2.10 ppb
2014	2.67 ppb	6	6	2.10 ppb - 3.40 ppb
2015	2.13 ppb	8	2	ND - 15.0 ppb
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	7.88 ppb	8	8	6.00 ppb - 19.0 ppb
2019	N/A	0	0	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 21 ppb

The EWG Health Guideline of 21 ppb for vanadium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date	Lab ID	Result
2013-11-27	A3J1832-03A	2.10 ppb
2013-12-06	A3K1975-01A	1.90 ppb
2014-03-06	A4B1766-01A	2.30 ppb
2014-03-06	A4B1766-03A	2.40 ppb
2014-06-05	A4E1517-03A	2.10 ppb
2014-06-05	A4E1517-01A	2.70 ppb
2014-09-10	A4H1862-01A	3.10 ppb
2014-09-10	A4H1862-03A	3.40 ppb
2015-05-05	5867-031-0750	ND
2015-05-05	5867-032-0830	ND
2015-05-05	5867-005-0840	ND
2015-05-05	5867-030-0745	ND
2015-05-05	5867-020-0915	ND
2015-05-05	5867-019-0910	2.00 ppb
2015-05-05	5867-016-1055	15.0 ppb
2015-05-05	5867-006-0845	ND
2018-05-01	5867-030-0822	7.00 ppb
2018-05-01	5867-031-0833	7.00 ppb
2018-05-01	5867-020-0950	6.00 ppb
2018-05-01	5867-032-0905	6.00 ppb
2018-05-01	5867-019-0938	6.00 ppb
2018-05-01	5867-016-1010	19.0 ppb
2018-05-01	5867-006-0930	6.00 ppb
2018-05-01	5867-005-0919	6.00 ppb