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EWG's Tap Water Database — 2019 UPDATE

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Barium

Cal-am Water Company - Duarte

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.

 

57

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
201387.7 ppb2217ND - 200.0 ppb
201415.0 ppb81ND - 120.0 ppb
2015ND70ND
2016111.0 ppb2017ND - 200.0 ppb
2017N/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
2013-09-129590-007-1330ND
2013-09-129590-003-1340130.0 ppb
2013-09-129590-008-1425100.0 ppb
2013-09-129590-010-1450110.0 ppb
2013-09-129590-002-1440100.0 ppb
2013-09-129590-004-1415100.0 ppb
2013-09-129590-009-1355100.0 ppb
2013-09-181225-009-1025100.0 ppb
2013-09-181225-007-0950ND
2013-09-181225-008-1105100.0 ppb
2013-09-181225-004-1045100.0 ppb
2013-09-181225-010-1150100.0 ppb
2013-09-181225-003-1010200.0 ppb
2013-09-181225-002-1130100.0 ppb
2013-09-181225-019-0850ND
2013-12-049588-008-1140100.0 ppb
2013-12-049588-004-1130120.0 ppb
2013-12-049588-003-1055150.0 ppb
2013-12-049588-007-1040ND
2013-12-049588-009-1105110.0 ppb
2013-12-049588-010-1220110.0 ppb
2013-12-049588-002-1210ND
2014-06-231225-007-1240ND
2014-06-231225-002-1300ND
2014-06-231225-003-1110ND
2014-06-231225-008-1235ND
2014-06-231225-009-1135ND
2014-06-231225-010-1330ND
2014-06-231225-019-1005ND
2014-12-039588-019-1020120.0 ppb
2015-09-281225-003-1050ND
2015-09-281225-007-1200ND
2015-09-281225-008-1330ND
2015-09-281225-010-0945ND
2015-09-281225-009-1345ND
2015-10-141225-002-1205ND
2015-10-141225-019-0945ND
2016-06-201225-008-1145100.0 ppb
2016-06-201225-019-1115ND
2016-06-201225-010-1135100.0 ppb
2016-07-201225-007-0930100.0 ppb
2016-07-201225-002-1110100.0 ppb
2016-07-201225-003-1000200.0 ppb
2016-07-201225-009-1030200.0 ppb
2016-08-109590-019-1125ND
2016-08-109590-008-1030120.0 ppb
2016-08-109590-007-1045ND
2016-08-109590-010-1015120.0 ppb
2016-08-119590-009-1150150.0 ppb
2016-08-119590-003-1205150.0 ppb
2016-08-119590-002-1105100.0 ppb
2016-09-079588-007-1245100.0 ppb
2016-09-079588-003-1305180.0 ppb
2016-09-079588-008-1345120.0 ppb
2016-09-079588-010-1315130.0 ppb
2016-09-079588-002-1330110.0 ppb
2016-09-079588-009-1400140.0 ppb