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EWG's Tap Water Database — 2021 UPDATE

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Barium

Danville

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.

MORE ABOUT THIS CONTAMINANT

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND50ND
2017ND80ND
2018ND70ND
2019ND90ND

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
2014-03-18140790033ND
2014-11-18Y143240004ND
2015-02-04Y150360026ND
2015-10-21Y152950004ND
2016-01-12Y160150005ND
2016-07-11Y162000071ND
2016-07-11Y162000072ND
2016-10-12Y162880002ND
2016-10-12Y162880006ND
2017-01-11Y170130012ND
2017-01-11Y170130004ND
2017-04-10Y171030027ND
2017-04-10Y171030028ND
2017-07-11Y171950143ND
2017-07-11Y171950144ND
2017-10-16Y172920002ND
2017-10-16Y172930028ND
2018-01-30Y180330012ND
2018-01-30Y180320007ND
2018-03-13Y180740023ND
2018-05-08Y181300015ND
2018-07-04Y181860067ND
2018-10-08Y182840007ND
2018-10-08Y182840050ND
2019-01-16Y190170020ND
2019-01-16Y190180021ND
2019-02-27Y190580004ND
2019-04-02Y190940045ND
2019-04-02Y190940044ND
2019-07-08Y191920104ND
2019-07-08Y191920102ND
2019-10-15Y192900005ND
2019-11-05Y193110053ND