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EWG's Tap Water Database — 2021 UPDATE

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Barium

Cassatt Water Kershaw-lee Company RWA

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND110ND
2017ND10ND
2018N/A00N/A
2019ND120ND

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
2014-01-22AD34864ND
2016-04-19AD74643ND
2016-04-19AD74641ND
2016-04-19AD74642ND
2016-04-19AD74644ND
2016-04-25AD74830ND
2016-04-25AD74829ND
2016-04-25AD74832ND
2016-04-25AD74828ND
2016-04-25AD74831ND
2016-09-15AD82548ND
2016-09-19AD82888ND
2017-06-29AD96924ND
2019-04-24AE29258ND
2019-04-24AE29260ND
2019-04-24AE29257ND
2019-04-24AE29261ND
2019-05-01AE29682ND
2019-05-01AE29684ND
2019-05-01AE29685ND
2019-05-01AE29686ND
2019-05-01AE29691ND
2019-05-01AE29688ND
2019-05-01AE29692ND
2019-05-01AE29689ND