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EWG's Tap Water Database — 2021 UPDATE

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Vanadium

Arroyo Grande,Water Department

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

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.63 ppb53ND - 4.10 ppb
20152.29 ppb1610ND - 5.10 ppb
2016N/A00N/A
2017N/A00N/A
20180.950 ppb82ND - 4.40 ppb
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
2014-03-183761-013-0930ND
2014-12-16A4L0783-04A0.270 ppb
2014-12-16A4L0783-01A3.80 ppb
2014-12-16A4L0783-10A4.10 ppb
2014-12-16A4L0783-07AND
2015-03-17A5B1826-01A3.10 ppb
2015-03-17A5B1826-04A3.00 ppb
2015-05-193761-013-1015ND
2015-05-193761-001-09123.90 ppb
2015-05-193761-008-1035ND
2015-05-193761-007-08303.50 ppb
2015-05-193761-002-0915ND
2015-05-193761-006-08274.10 ppb
2015-05-193761-004-0855ND
2015-05-193761-003-09225.10 ppb
2015-06-16A5F0172-07A3.30 ppb
2015-06-16A5F0172-04AND
2015-06-16A5F0172-10A3.40 ppb
2015-06-17A5F0172-01AND
2015-09-22A5H2567-01A3.50 ppb
2015-09-22A5H2567-04A3.80 ppb
2018-05-083761-001-09503.20 ppb
2018-05-083761-002-0850ND
2018-05-083761-003-1010ND
2018-05-083761-004-0818ND
2018-05-083761-013-0850ND
2018-05-083761-008-0940ND
2018-05-083761-006-09104.40 ppb
2018-05-083761-007-0930ND