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EWG's Tap Water Database — 2021 UPDATE

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Barium

Roswell Municipal Water System

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

 

26

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
201420.5 ppb131317.0 ppb - 25.0 ppb
2015N/A00N/A
2016N/A00N/A
2017ND130ND
2018N/A00N/A
2019N/A00N/A

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
2014-02-121402577-004A20.0 ppb
2014-02-121402572-004A17.0 ppb
2014-02-121402578-004A17.0 ppb
2014-02-121402580-003A17.0 ppb
2014-02-121402579-004A19.0 ppb
2014-02-121402573-004A20.0 ppb
2014-02-121402576-004A20.0 ppb
2014-03-051403368-004A25.0 ppb
2014-03-051403365-004A24.0 ppb
2014-03-051403364-004A18.0 ppb
2014-03-051403366-004A24.0 ppb
2014-03-051403367-004A22.0 ppb
2014-03-051403329-004A24.0 ppb
2017-07-112017020099ND
2017-07-112017020102ND
2017-07-112017020101ND
2017-07-112017020100ND
2017-08-082017023113ND
2017-08-082017023116ND
2017-08-082017023114ND
2017-08-082017023115ND
2017-10-102017029404ND
2017-10-102017029403ND
2017-10-102017029402ND
2017-10-102017029400ND
2017-10-102017029401ND