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EWG's Tap Water Database — 2021 UPDATE

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Vanadium

Atascadero Mutual Water Company

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20131.96 ppb16160.980 ppb - 4.00 ppb
20143.50 ppb113.50 ppb
2015ND20ND
20160.746 ppb132ND - 6.50 ppb
20173.90 ppb113.90 ppb
2018ND20ND
20190.954 ppb132ND - 8.90 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
2013-04-30201305010091AM2.00 ppb
2013-04-30201305010101AM1.90 ppb
2013-04-30201305010095AM1.60 ppb
2013-04-30201305010097AM3.00 ppb
2013-04-30201305010105AM1.60 ppb
2013-04-30201305010103AM2.40 ppb
2013-04-30201305010099AM4.00 ppb
2013-04-30201305010093AM2.40 ppb
2013-10-30201310310159AM2.30 ppb
2013-10-30201310310161AM0.980 ppb
2013-10-30201310310116AM1.80 ppb
2013-10-30201310310163AM1.60 ppb
2013-10-30201310310119AM1.80 ppb
2013-10-30201310310131AM0.980 ppb
2013-10-30201310310149AM1.000 ppb
2013-10-30201310310106AM2.00 ppb
2014-05-083761-042-10303.50 ppb
2015-06-043761-020-0845ND
2015-09-033761-016-0845ND
2016-02-113761-023-0840ND
2016-02-113761-044-1012ND
2016-04-283761-001-1010ND
2016-04-283761-050-0910ND
2016-04-283761-015-0920ND
2016-05-033761-006-0915ND
2016-07-053761-007-1030ND
2016-07-053761-012-08206.50 ppb
2016-07-053761-018-0840ND
2016-07-283761-053-08253.20 ppb
2016-07-283761-054-0845ND
2016-07-283761-040-0805ND
2016-07-283761-009-0750ND
2017-05-163761-042-10053.90 ppb
2018-06-073761-020-1015ND
2018-09-133761-016-0850ND
2019-02-123761-023-0900ND
2019-02-143761-044-0948ND
2019-04-163761-015-0845ND
2019-04-163761-001-0900ND
2019-05-093761-006-0835ND
2019-05-163761-050-0755ND
2019-07-183761-054-0930ND
2019-07-183761-053-0905ND
2019-07-183761-040-09403.50 ppb
2019-07-183761-018-1010ND
2019-07-183761-012-10188.90 ppb
2019-07-183761-009-0835ND
2019-07-183761-007-0950ND