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EWG's Tap Water Database — 2021 UPDATE

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Vanadium

San Antonio Water 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

 

145

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
20152.72 ppb1451450.390 ppb - 33.0 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
2015-03-09201503110220AM3.00 ppb
2015-03-09201503110222AM1.30 ppb
2015-03-09201503110218AM3.00 ppb
2015-03-10201502090218AM2.30 ppb
2015-03-10201502090158AM2.30 ppb
2015-03-10201502090197AM1.90 ppb
2015-03-10201502090234AM2.20 ppb
2015-03-10201502090223AM1.70 ppb
2015-03-10201502090159AM0.390 ppb
2015-03-10201502090139AM2.40 ppb
2015-03-10201502090242AM2.50 ppb
2015-03-10201502090174AM33.0 ppb
2015-03-10201502090208AM2.80 ppb
2015-03-10201502090198AM2.60 ppb
2015-03-10201503120197AM1.50 ppb
2015-03-10201503120199AM2.10 ppb
2015-03-10201502090236AM2.20 ppb
2015-03-10201502090284AM2.20 ppb
2015-03-10201502090151AM2.30 ppb
2015-03-10201502090256AM2.00 ppb
2015-03-10201502090209AM0.710 ppb
2015-03-10201502090244AM1.40 ppb
2015-03-10201502090225AM2.10 ppb
2015-03-10201502090226AM1.000 ppb
2015-03-10201502090191AM2.30 ppb
2015-03-10201502090163AM2.10 ppb
2015-03-10201502090190AM2.30 ppb
2015-03-10201502090180AM7.10 ppb
2015-03-10201502090270AM0.410 ppb
2015-03-10201502090272AM0.440 ppb
2015-03-10201502090152AM0.390 ppb
2015-03-10201502090205AM2.20 ppb
2015-03-10201502090171AM1.20 ppb
2015-03-10201502090153AM2.20 ppb
2015-03-11201502090157AM4.80 ppb
2015-03-11201502090276AM3.20 ppb
2015-03-11201502090263AM2.20 ppb
2015-03-11201502090243AM4.40 ppb
2015-03-11201502090240AM2.60 ppb
2015-03-11201502090233AM3.60 ppb
2015-03-11201502090196AM3.00 ppb
2015-03-11201502090251AM3.50 ppb
2015-03-11201502090206AM3.10 ppb
2015-03-11201502090241AM2.70 ppb
2015-03-11201503140108AM3.30 ppb
2015-03-11201503140110AM3.10 ppb
2015-03-11201503140114AM3.40 ppb
2015-03-11201503140112AM1.70 ppb
2015-03-11201502090237AM3.20 ppb
2015-03-11201502090235AM1.40 ppb
2015-03-11201502090175AM3.30 ppb
2015-03-11201502090224AM2.70 ppb
2015-03-11201502090145AM1.50 ppb
2015-03-11201502090143AM1.40 ppb
2015-03-11201502090147AM2.60 ppb
2015-03-11201502090162AM1.50 ppb
2015-03-11201502090148AM2.20 ppb
2015-03-11201502090248AM3.10 ppb
2015-03-11201502090187AM1.50 ppb
2015-03-12201503140088AM1.30 ppb
2015-03-12201503140106AM2.90 ppb
2015-03-12201503140104AM3.10 ppb
2015-03-12201503140090AM3.60 ppb
2015-03-12201503140100AM1.90 ppb
2015-03-12201503140102AM3.00 ppb
2015-03-13201503140208AM3.70 ppb
2015-06-29201506300301AM1.70 ppb
2015-06-29201506300299AM1.70 ppb
2015-09-14201508270375AM1.80 ppb
2015-09-14201508270381AM4.20 ppb
2015-09-14201508270380AM1.000 ppb
2015-09-14201508270371AM2.80 ppb
2015-09-14201508270398AM3.10 ppb
2015-09-14201508270400AM0.540 ppb
2015-09-14201508270399AM3.10 ppb
2015-09-14201508270386AM3.60 ppb
2015-09-14201508270366AM3.40 ppb
2015-09-14201508270478AM1.60 ppb
2015-09-14201508270453AM4.30 ppb
2015-09-14201508270476AM3.00 ppb
2015-09-14201508270454AM3.90 ppb
2015-09-14201508270518AM3.30 ppb
2015-09-14201508270475AM2.50 ppb
2015-09-14201508270470AM2.00 ppb
2015-09-14201508270460AM2.10 ppb
2015-09-14201508270456AM4.40 ppb
2015-09-14201508270455AM3.70 ppb
2015-09-14201508270452AM2.90 ppb
2015-09-15201508270359AM2.10 ppb
2015-09-15201508270378AM2.40 ppb
2015-09-15201508270376AM2.20 ppb
2015-09-15201508270382AM2.70 ppb
2015-09-15201508270383AM2.00 ppb
2015-09-15201508270368AM2.80 ppb
2015-09-15201508270369AM3.30 ppb
2015-09-15201509170012AM3.10 ppb
2015-09-15201508270372AM2.40 ppb
2015-09-15201508270373AM2.30 ppb
2015-09-15201508270374AM2.30 ppb
2015-09-15201508270370AM2.70 ppb
2015-09-15201508270396AM1.20 ppb
2015-09-15201508270401AM1.40 ppb
2015-09-15201508270385AM2.60 ppb
2015-09-15201508270477AM1.50 ppb
2015-09-15201508270472AM2.20 ppb
2015-09-15201508270469AM2.70 ppb
2015-09-15201508270463AM1.40 ppb
2015-09-15201508270464AM1.30 ppb
2015-09-15201508270462AM3.10 ppb
2015-09-15201508270461AM3.20 ppb
2015-09-15201508270459AM2.30 ppb
2015-09-16201508270363AM3.30 ppb
2015-09-16201508270379AM1.90 ppb
2015-09-16201508270367AM3.30 ppb
2015-09-16201508270384AM3.30 ppb
2015-09-16201508270394AM2.00 ppb
2015-09-16201508270395AM2.60 ppb
2015-09-16201508270392AM3.20 ppb
2015-09-16201508270471AM2.30 ppb
2015-09-16201508270468AM1.40 ppb
2015-09-16201508270473AM2.20 ppb
2015-09-16201508270474AM1.30 ppb
2015-09-16201508270467AM2.00 ppb
2015-09-16201508270466AM2.20 ppb
2015-09-16201508270465AM2.30 ppb
2015-09-16201508270442AM2.30 ppb
2015-09-17201508270364AM4.20 ppb
2015-09-17201508270377AM3.00 ppb
2015-09-17201509180417AM1.50 ppb
2015-09-17201508270389AM3.00 ppb
2015-09-17201508270457AM3.90 ppb
2015-09-17201508270458AM4.00 ppb
2015-09-17201508270451AM3.80 ppb
2015-09-17201508270446AM4.40 ppb
2015-09-17201508270447AM2.50 ppb
2015-09-17201509180371AM3.70 ppb
2015-09-17201508270441AM3.50 ppb
2015-09-17201508270449AM3.20 ppb
2015-09-17201508270443AM3.20 ppb
2015-09-17201508270448AM2.70 ppb
2015-09-18201508270445AM3.20 ppb
2015-09-18201509200096AM2.70 ppb
2015-10-09201510100125AM2.10 ppb
2015-12-04201512050174AM1.20 ppb
2015-12-04201512050172AM1.20 ppb