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EWG's Tap Water Database — 2021 UPDATE

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Barium

Marion 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.

 

19

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
2014N/A00N/A
2015ND30ND
2016ND10ND
2017ND20ND
2018ND80ND
2019ND50ND

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
2015-09-16Y152600003ND
2015-09-16Y152600001ND
2015-11-19Y153240001ND
2016-07-12Y161970002ND
2017-07-03Y171870046ND
2017-12-06Y173410001ND
2018-03-12Y180740021ND
2018-03-12Y180740022ND
2018-04-10Y181020027ND
2018-08-15Y182280001ND
2018-08-15Y182280007ND
2018-09-10Y182560022ND
2018-10-15Y182910002ND
2018-11-19Y183250003ND
2019-01-07Y190110008ND
2019-01-07Y190110007ND
2019-04-09Y191010048ND
2019-08-19Y192340033ND
2019-10-08Y192840030ND