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EWG's Tap Water Database — 2021 UPDATE

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Barium

Intracoastal Water System West

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.

MORE ABOUT THIS CONTAMINANT

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015323.8 ppb8875.0 ppb - 470.0 ppb
201667.0 ppb2267.0 ppb
2017ND20ND
2018ND100ND
2019ND20ND

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
2014-03-10AD89556ND
2014-03-10AD89556ND
2015-03-233518110200275.0 ppb
2015-03-233518110200275.0 ppb
2015-10-1435212298002460.0 ppb
2015-10-1435212298001470.0 ppb
2015-10-1435212298002460.0 ppb
2015-10-1435212298003290.0 ppb
2015-10-1435212298001470.0 ppb
2015-10-1435212298003290.0 ppb
2016-02-153523001600267.0 ppb
2016-02-153523001600267.0 ppb
2017-02-27AE13161ND
2017-02-27AE13161ND
2018-02-19AE20631ND
2018-02-19AE20631ND
2018-05-07AE21640ND
2018-05-07AE21640ND
2018-07-09AE22023ND
2018-07-09AE22031ND
2018-07-09AE22027ND
2018-07-09AE22023ND
2018-07-09AE22031ND
2018-07-09AE22027ND
2019-01-16B1900256-001ND
2019-01-16B1900256-001ND