Know Your Environment. Protect Your Health.

Barium

San Antonio Water Company

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND10ND
2020ND10ND
2021ND100ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-07-20CA3610085_017_017-201807200920ND
2018-07-20CA3610085_018_018-201807200946ND
2018-07-20CA3610085_001_001-201807201100ND
2018-07-20CA3610085_002_002-201807200951ND
2018-07-20CA3610085_003_003-201807201156ND
2018-07-20CA3610085_004_004-201807201135ND
2018-07-20CA3610085_013_013-201807200900ND
2018-07-20CA3610085_016_016-201807201030ND
2019-01-04CA3610085_011_011-201901040953ND
2020-04-07CA3610085_021_021-202004071020ND
2021-07-20CA3610085_017_017-202107200943ND
2021-07-20CA3610085_011_011-202107200842ND
2021-07-20CA3610085_003_003-202107201013ND
2021-07-20CA3610085_002_002-202107201124ND
2021-07-20CA3610085_018_018-202107201130ND
2021-07-20CA3610085_013_013-202107200954ND
2021-07-20CA3610085_001_001-202107201036ND
2021-07-27CA3610085_004_004-202107270908ND
2021-07-27CA3610085_016_016-202107270810ND
2021-07-27CA3610085_021_021-202107271245ND