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EWG's Tap Water Database — 2021 UPDATE

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Vanadium

CTWC - Shoreline Region-Guilford System

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.139 ppb2411ND - 0.560 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
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
2014-02-10201402110107AM0.210 ppb
2014-02-10201402110093AMND
2014-02-10201402110109AM0.210 ppb
2014-02-11201402120403AM0.350 ppb
2014-02-11201402120573AMND
2014-02-11201402120674AMND
2014-02-11201402120405AMND
2014-02-11201402120438AM0.480 ppb
2014-02-24201402250182AMND
2014-04-08201404090510AMND
2014-04-08201404090427AM0.560 ppb
2014-05-21201405220336AM0.240 ppb
2014-05-21201405220417AM0.250 ppb
2014-08-04201408050412AMND
2014-08-04201408050418AMND
2014-08-04201408050337AM0.240 ppb
2014-08-04201408050384AMND
2014-08-25201408270547AM0.270 ppb
2014-08-25201408260368AM0.270 ppb
2014-08-26201408270820AMND
2014-08-26201408270836AMND
2014-08-26201408270840AMND
2014-11-18201411190581AMND
2014-11-18201411190387AM0.260 ppb