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EWG's Tap Water Database — 2019 UPDATE

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Barium

Las Virgenes Municipal Water District

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND30ND
2014ND30ND
2015ND10ND
2016ND20ND
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
2012-02-149590-004-1205ND
2012-05-229590-004-1045ND
2012-08-149590-004-1135ND
2012-11-069590-004-1255ND
2013-02-269590-004-1040ND
2013-08-159588-004-1205ND
2013-11-199588-004-1015ND
2014-02-199588-004-1100ND
2014-05-139588-004-1140ND
2014-11-189588-004-1025ND
2015-02-189588-004-1005ND
2016-02-179588-004-0942ND
2016-08-169588-004-1045ND
2017-02-229588-004-0932ND
2017-05-169588-004-1130ND
2017-08-239588-004-1007ND