Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Barium

Calico Rock

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND20ND
2017ND20ND
2018ND40ND
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
2014-08-25Y142390011ND
2014-08-25Y142390010ND
2015-08-19Y152320002ND
2015-08-19Y152320003ND
2015-08-19Y152320001ND
2015-08-19Y152320004ND
2016-08-30Y162450007ND
2016-09-26Y162730003ND
2017-08-15Y172290006ND
2017-08-15Y172290007ND
2018-09-12Y182560025ND
2018-09-12Y182560027ND
2018-09-12Y182560026ND
2018-09-12Y182560028ND
2019-08-26Y192410001ND
2019-08-26Y192410002ND