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EWG's Tap Water Database — 2021 UPDATE

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Barium

Kent Water Department

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

 

43

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
2015ND100ND
2016ND50ND
2017ND70ND
2018ND50ND
2019ND100ND

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
2014-06-0908435ND
2014-06-0908435ND
2014-06-2409330ND
2014-06-2409330ND
2014-07-1510754ND
2014-07-1510755ND
2015-06-0108379ND
2015-06-0108379ND
2015-07-0610457ND
2015-07-0610458ND
2015-07-0610460ND
2015-07-0610460ND
2015-07-0610456ND
2015-07-0710459ND
2015-07-0710459ND
2015-07-2111495ND
2016-07-05ND
2016-07-05ND
2016-07-11ND
2016-07-11ND
2016-07-11ND
2017-07-11ND
2017-07-11ND
2017-07-11ND
2017-07-11ND
2017-07-11ND
2017-09-05ND
2017-09-05ND
2018-07-16ND
2018-07-16ND
2018-07-17ND
2018-08-07ND
2018-08-07ND
2019-07-02ND
2019-07-02ND
2019-07-02ND
2019-07-12ND
2019-07-12ND
2019-07-16ND
2019-07-16ND
2019-07-22ND
2019-07-22ND
2019-07-23ND