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EWG's Tap Water Database — 2021 UPDATE

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Barium

Tri-County Water Distbr District

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND20ND
2017ND40ND
2018ND50ND
2019ND40ND

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
2014-11-11Y143160008ND
2015-10-20Y152950005ND
2016-08-03Y162210071ND
2016-11-01Y163090003ND
2017-03-13Y170750014ND
2017-05-23Y171450020ND
2017-08-08Y172220041ND
2017-11-07Y173130007ND
2018-01-29Y180330001ND
2018-02-26Y180600045ND
2018-06-06Y181580015ND
2018-07-31Y182140013ND
2018-10-22Y182980006ND
2019-01-29Y190310038ND
2019-05-29Y191530078ND
2019-08-27Y192410027ND
2019-10-14Y192900006ND