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EWG's Tap Water Database — 2021 UPDATE

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Vanadium

California Water Service - Bear Gulch

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

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.224 ppb103ND - 1.50 ppb
20140.413 ppb330.240 ppb - 0.730 ppb
20151.47 ppb331.40 ppb - 1.50 ppb
2016N/A00N/A
2017ND80ND
2018ND10ND
2019ND20ND

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
2013-05-07201305080427AM1.50 ppb
2013-05-07201305080387AM0.220 ppb
2013-05-07201305080417AM0.520 ppb
2013-05-07201305080317AMND
2013-08-07201308080271AMND
2013-08-07201308080182AMND
2013-08-07201308080190AMND
2013-11-04201311050100AMND
2013-11-04201311050085AMND
2013-11-04201311050070AMND
2014-02-03201402040313AM0.240 ppb
2014-02-03201402040274AM0.270 ppb
2014-02-03201402040272AM0.730 ppb
2015-02-18201502200422AM1.50 ppb
2015-04-08201504090143AM1.50 ppb
2015-05-11201505120355AM1.40 ppb
2017-01-175701-002-1023ND
2017-02-085701-002-0939ND
2017-03-065701-002-1339ND
2017-04-175701-002-1222ND
2017-05-105701-002-1335ND
2017-06-195701-002-1338ND
2017-11-275701-002-1112ND
2017-12-065701-002-1335ND
2018-02-065701-002-1039ND
2019-01-305701-002-1241ND
2019-02-195701-002-1311ND