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EWG's Tap Water Database — 2021 UPDATE

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Vanadium

Harris County MUD 200 Cranbrook

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
20140.618 ppb1211ND - 0.843 ppb
20150.480 ppb1211ND - 0.893 ppb
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
2014-07-24Q14305720090.739 ppb
2014-07-24Q14305720110.713 ppb
2014-07-24Q14305720070.802 ppb
2014-07-24Q14305720030.722 ppb
2014-07-24Q14305720050.662 ppb
2014-07-24Q14305720010.660 ppb
2014-10-21Q14531690030.805 ppb
2014-10-21Q14531690070.610 ppb
2014-10-21Q14531690090.457 ppb
2014-10-21Q14531690110.407 ppb
2014-10-21Q14531690010.843 ppb
2014-10-21Q1453169005ND
2015-01-22Q15022480090.467 ppb
2015-01-22Q15022480050.811 ppb
2015-01-22Q15022480010.268 ppb
2015-01-22Q15022480110.706 ppb
2015-01-22Q15022480070.568 ppb
2015-01-22Q15022480030.716 ppb
2015-04-27Q15154090010.465 ppb
2015-04-27Q15154090070.223 ppb
2015-04-27Q1515409005ND
2015-04-27Q15154090030.893 ppb
2015-04-27Q15154090110.326 ppb
2015-04-27Q15154090090.322 ppb