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EWG's Tap Water Database — 2019 UPDATE

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Barium

California American Water Company - Coronado

NOTE: California American Water Company - Coronado purchases water from City of San Diego which is required to test for barium. Sample information shown below was taken by City of San Diego.

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.

 

68

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND100ND
2013ND110ND
201436.3 ppb124ND - 111.0 ppb
2015107.8 ppb1211ND - 129.0 ppb
201686.9 ppb118ND - 136.0 ppb
201735.1 ppb124ND - 112.0 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

NOTE: California American Water Company - Coronado purchases water from City of San Diego which is required to test for barium. Sample information shown below was taken by City of San Diego.

Date Lab ID Result
2012-02-069437-010-0000ND
2012-02-069437-001-0000ND
2012-02-069437-006-0000ND
2012-05-079437-001-0000ND
2012-05-079437-010-0000ND
2012-05-079437-006-0000ND
2012-08-069437-001-0000ND
2012-08-079437-010-0000ND
2012-08-079437-006-0000ND
2012-11-289437-010-0000ND
2013-02-049437-001-0000ND
2013-02-049437-010-0000ND
2013-05-069437-001-0000ND
2013-05-069437-010-0000ND
2013-05-299437-006-0000ND
2013-08-059437-010-0000ND
2013-08-059437-006-0000ND
2013-08-059437-001-0000ND
2013-11-049437-001-0000ND
2013-11-049437-010-0000ND
2013-11-049437-006-0000ND
2014-02-039437-006-0000110.0 ppb
2014-02-039437-010-0000ND
2014-02-039437-001-0000ND
2014-05-059437-006-0000111.0 ppb
2014-05-059437-001-0000ND
2014-05-059437-010-0000ND
2014-08-049437-006-0000ND
2014-08-049437-001-0000ND
2014-08-049437-010-0000ND
2014-11-039437-010-0000107.0 ppb
2014-11-039437-006-0000107.0 ppb
2014-11-039437-001-0000ND
2015-02-029437-006-0000129.0 ppb
2015-02-029437-010-0000116.0 ppb
2015-02-029437-001-0000120.0 ppb
2015-05-049437-001-0000103.0 ppb
2015-05-049437-006-0000117.0 ppb
2015-05-049437-010-0000111.0 ppb
2015-08-039437-001-0000108.0 ppb
2015-08-039437-010-0000111.0 ppb
2015-08-039437-006-0000121.0 ppb
2015-11-029437-010-0000ND
2015-11-029437-006-0000129.0 ppb
2015-11-029437-001-0000129.0 ppb
2016-02-019437-001-0000ND
2016-02-019437-006-0000128.0 ppb
2016-02-019437-010-0000ND
2016-05-029437-001-0000135.0 ppb
2016-05-029437-010-0000ND
2016-08-019437-006-0000113.0 ppb
2016-08-019437-010-0000109.0 ppb
2016-08-019437-001-0000101.0 ppb
2016-11-079437-010-0000136.0 ppb
2016-11-079437-006-0000127.0 ppb
2016-11-079437-001-0000107.0 ppb
2017-02-069437-001-0000104.0 ppb
2017-02-069437-006-0000112.0 ppb
2017-02-229437-010-0000101.0 ppb
2017-05-019437-001-0000104.0 ppb
2017-05-019437-010-0000ND
2017-06-059437-006-0000ND
2017-08-079437-010-0000ND
2017-08-079437-006-0000ND
2017-08-079437-001-0000ND
2017-11-069437-010-0000ND
2017-11-069437-001-0000ND
2017-11-069437-006-0000ND