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EWG's Tap Water Database — 2021 UPDATE

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Barium

Central Arkansas Water

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND30ND
2018ND20ND
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
2014-01-29140300037ND
2014-08-12142250002ND
2015-03-10Y150700010ND
2015-08-03Y152180038ND
2016-02-01Y160360001ND
2016-07-18Y162040003ND
2017-01-03Y170050024ND
2017-02-01Y170330011ND
2017-08-01Y172150016ND
2018-01-02Y180040003ND
2018-08-06Y182210001ND
2019-01-07Y190100005ND
2019-09-09Y192550007ND