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EWG's Tap Water Database — 2019 UPDATE

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Barium

Dalton Utilities

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND20ND
2015ND30ND
2016ND30ND
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
2012-05-07AH58327ND
2012-05-07AH58326ND
2013-03-26AH92679ND
2013-03-26AH92678ND
2014-02-24AI28475ND
2014-02-24AI28474ND
2015-01-27AI63481ND
2015-01-27AI63480ND
2015-03-09AI68508ND
2016-02-08AJ06019ND
2016-02-08AJ06018ND
2016-03-28AJ08758ND
2017-02-14AJ46459ND
2017-02-14AJ46458ND
2017-02-14AJ46457ND