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EWG's Tap Water Database — 2021 UPDATE

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Vanadium

Vallecitos Water District

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.350 ppb21ND - 0.700 ppb
20150.133 ppb62ND - 0.500 ppb
2016ND10ND
2017ND10ND
2018ND10ND
2019N/A00N/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
2014-11-0531336270.700 ppb
2014-11-053133623ND
2015-02-0431814980.500 ppb
2015-02-043181510ND
2015-05-2132475210.300 ppb
2015-05-213247502ND
2015-08-123299341ND
2015-08-213308062ND