Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Barium

Calhoun

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.

 

12

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
2017ND20ND
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
2014-02-18AI28134ND
2014-02-19AI28339ND
2015-01-21AI63202ND
2015-01-21AI63203ND
2016-01-18AJ04545ND
2016-01-18AJ04546ND
2017-01-25AJ43570ND
2017-01-25AJ43573ND
2018-02-06AJ83303ND
2018-02-06AJ83304ND
2019-02-06AK10712ND
2019-02-06AK10713ND