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EWG's Tap Water Database — 2019 UPDATE

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Barium

San Gabriel County WD

Barium is a mineral present in rocks, soil and water. High concentrations of barium in drinking water increase the risk of cardiovascular disease and hypertension.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND10ND
2014ND40ND
2015ND10ND
2016ND10ND
2017ND30ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 700 ppb

The EWG Health Guideline of 700 ppb for barium was defined by EWG as benchmark that protects against harm to the kidneys and the cardiovascular system.

EPA Maximum Contaminant
Level (MCL) 2,000 ppb

The legal limit for barium, established in 1991, was based on a 10-week study of barium exposure in 11 adult male volunteers. This limit does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-179588-007-0945ND
2012-07-179588-009-0915ND
2013-05-243761-020-1125ND
2014-06-173761-020-1020ND
2014-07-149588-011-0945ND
2014-09-259588-001-0915ND
2014-10-089588-010-0920ND
2015-07-169588-007-0920ND
2016-07-189588-009-0925ND
2017-04-139588-020-0940ND
2017-07-179588-011-0945ND
2017-10-189588-010-0910ND