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EWG's Tap Water Database — 2019 UPDATE

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Barium

City of Santa Barbara Water Department

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
201333.3 ppb31ND - 100.0 ppb
2014ND40ND
2015ND20ND
201643.3 ppb31ND - 130.0 ppb
2017ND40ND

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
2012-07-179590-004-1056ND
2013-04-299590-053-0947ND
2013-08-189590-031-1605100.0 ppb
2013-10-159590-004-0835ND
2014-10-219590-035-0931ND
2014-10-219590-042-0758ND
2014-10-219590-015-0843ND
2014-10-229590-004-1014ND
2015-05-129590-055-0842ND
2015-11-109590-005-1050ND
2016-11-029590-004-0838ND
2016-11-029590-053-1152ND
2016-11-029590-031-1120130.0 ppb
2017-05-189590-058-1734ND
2017-11-079590-004-0955ND
2017-11-149590-042-0848ND
2017-11-149590-035-0930ND