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EWG's Tap Water Database — 2021 UPDATE

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Barium

Magnolia Waterworks

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

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND60ND
2015ND10ND
2016ND30ND
2017ND100ND
2018ND70ND
2019ND70ND

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
2014-01-06140080027ND
2014-04-01140930001ND
2014-04-01140930002ND
2014-09-09Y142540013ND
2014-09-10Y142540015ND
2014-09-10Y142540014ND
2015-01-05Y150080020ND
2016-01-05Y160070001ND
2016-07-05Y161890034ND
2016-10-04Y162800024ND
2017-01-03Y170050001ND
2017-04-04Y170970004ND
2017-04-04Y170960003ND
2017-04-04Y170960004ND
2017-04-17Y171090001ND
2017-07-03Y171870088ND
2017-08-15Y172290001ND
2017-08-15Y172290028ND
2017-10-30Y173060046ND
2017-10-30Y173060047ND
2018-01-02Y180040040ND
2018-01-02Y180040037ND
2018-04-03Y180950035ND
2018-04-03Y180950033ND
2018-04-03Y180950034ND
2018-08-28Y182420001ND
2018-10-01Y182780050ND
2019-01-07Y190110006ND
2019-04-01Y190940043ND
2019-04-01Y190940040ND
2019-04-01Y190940041ND
2019-07-08Y191920074ND
2019-09-11Y192550012ND
2019-10-01Y192770039ND