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EWG's Tap Water Database — 2019 UPDATE

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Barium

Laurel County Water District #2

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND10ND
201516.0 ppb1116.0 ppb
20168.00 ppb118.00 ppb
201722.0 ppb1122.0 ppb

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
2012-04-04201204008001ND
2013-04-03201304347001ND
2014-04-02201404765001ND
2015-04-0820150424900116.0 ppb
2016-04-062016048350018.00 ppb
2017-04-0520170493800122.0 ppb