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EWG's Tap Water Database — 2021 UPDATE

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Vanadium

California Water Service - Stockton

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

 

90

Samples

0

Samples exceeding legal limit (MCL)

11

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20147.85 ppb35350.440 ppb - 22.0 ppb
201513.6 ppb550.410 ppb - 21.0 ppb
2016N/A00N/A
20178.49 ppb3017ND - 31.3 ppb
20187.64 ppb168ND - 41.5 ppb
201913.3 ppb43ND - 27.5 ppb

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
2014-01-09201401100115AM20.0 ppb
2014-01-09201401100145AM0.440 ppb
2014-01-09201401100156AM22.0 ppb
2014-01-09201401100106AM0.480 ppb
2014-01-14201401150321AM9.00 ppb
2014-01-14201401150353AM0.540 ppb
2014-01-14201401150648AM12.0 ppb
2014-01-14201401150331AM0.610 ppb
2014-01-14201401150369AM5.20 ppb
2014-01-14201401150485AM0.840 ppb
2014-01-16201401170464AM16.0 ppb
2014-01-16201401170451AM7.20 ppb
2014-01-16201401170406AM16.0 ppb
2014-01-22201401230166AM14.0 ppb
2014-04-21201404220289AM1.10 ppb
2014-04-21201404220216AM1.10 ppb
2014-04-21201404220358AM1.10 ppb
2014-04-21201404220224AM1.40 ppb
2014-07-07201407090855AM13.0 ppb
2014-07-08201407090708AM20.0 ppb
2014-07-08201407090755AM3.30 ppb
2014-07-08201407090752AM7.00 ppb
2014-07-08201407090769AM1.40 ppb
2014-07-08201407090776AM1.10 ppb
2014-07-08201407090789AM22.0 ppb
2014-07-14201407150352AM15.0 ppb
2014-07-15201407160582AM12.0 ppb
2014-07-15201407160565AM22.0 ppb
2014-07-15201407160593AM7.50 ppb
2014-07-23201407240447AM0.640 ppb
2014-08-27201408280741AM16.0 ppb
2014-10-08201410090372AM0.990 ppb
2014-10-08201410090337AM0.920 ppb
2014-10-08201410090297AM1.000 ppb
2014-11-12201411130683AM1.80 ppb
2015-01-07201501080582AM0.410 ppb
2015-01-08201501090540AM4.60 ppb
2015-06-03201506040496AM21.0 ppb
2015-08-161610-133-190021.0 ppb
2015-09-16201509170573AM21.0 ppb
2017-01-065701-053-112016.3 ppb
2017-01-065701-045-11505.33 ppb
2017-01-065701-061-104519.5 ppb
2017-01-095701-131-1040ND
2017-01-175701-131-1035ND
2017-02-025701-051-112017.8 ppb
2017-02-065701-131-0945ND
2017-02-065701-069-0935ND
2017-02-075701-130-102313.1 ppb
2017-02-075701-053-13138.81 ppb
2017-02-075701-059-13594.39 ppb
2017-02-075701-060-1427ND
2017-02-075701-045-11283.28 ppb
2017-05-015701-069-1247ND
2017-05-015701-131-1302ND
2017-05-035701-051-130631.3 ppb
2017-05-035701-055-142711.7 ppb
2017-05-035701-007-151627.4 ppb
2017-05-155701-131-1055ND
2017-05-225701-131-0850ND
2017-06-065701-130-151025.4 ppb
2017-07-175701-131-1324ND
2017-07-185701-028-132223.9 ppb
2017-07-195701-053-092514.5 ppb
2017-07-195701-061-103921.3 ppb
2017-07-195701-045-09355.57 ppb
2017-07-255701-015-11555.54 ppb
2017-09-185701-131-1152ND
2017-10-025701-131-1340ND
2017-11-285701-131-1248ND
2018-02-055701-131-1500ND
2018-02-055701-069-1450ND
2018-02-075701-045-1035ND
2018-02-075701-053-141010.8 ppb
2018-02-075701-059-12306.25 ppb
2018-02-075701-060-1130ND
2018-02-075701-130-151018.9 ppb
2018-04-095701-131-0925ND
2018-04-125701-133-100541.5 ppb
2018-05-025701-130-143521.5 ppb
2018-05-025701-060-1000ND
2018-05-025701-059-10456.86 ppb
2018-05-025701-053-125513.0 ppb
2018-05-025701-045-13453.44 ppb
2018-06-255701-131-0930ND
2018-12-185701-131-1335ND
2019-05-085701-130-133320.0 ppb
2019-05-085701-060-1440ND
2019-05-085701-059-14415.67 ppb
2019-05-085701-051-115527.5 ppb