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EWG's Tap Water Database — 2021 UPDATE

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Barium

San Gabriel Valley Water Company- El Monte

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

 

73

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201453.6 ppb114ND - 220.0 ppb
201581.7 ppb127ND - 170.0 ppb
201647.7 ppb134ND - 210.0 ppb
201776.7 ppb95ND - 190.0 ppb
201880.0 ppb137ND - 190.0 ppb
201954.7 ppb156ND - 210.0 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

Date Lab ID Result
2014-03-319588-029-0845ND
2014-05-069588-011-0935ND
2014-08-139588-001-1035130.0 ppb
2014-08-139588-006-1020ND
2014-08-149588-029-1210ND
2014-08-149588-027-0915120.0 ppb
2014-08-149588-026-1000220.0 ppb
2014-08-149588-018-1200ND
2014-09-239588-005-1430ND
2014-09-249588-117-1135ND
2014-11-139588-070-1045120.0 ppb
2015-02-109588-115-0845110.0 ppb
2015-02-109588-114-0855170.0 ppb
2015-05-129588-030-1020ND
2015-08-119588-002-1215110.0 ppb
2015-08-119588-076-1255ND
2015-08-119588-015-1120170.0 ppb
2015-08-119588-013-1110140.0 ppb
2015-08-119588-010-0940ND
2015-08-119588-009-1025ND
2015-11-139588-003-1040120.0 ppb
2015-11-139588-036-0900ND
2015-12-039588-014-1115160.0 ppb
2016-02-109588-117-1130ND
2016-02-109588-116-1125ND
2016-05-059588-112-1020180.0 ppb
2016-05-059588-113-1005100.0 ppb
2016-08-179588-077-1125130.0 ppb
2016-08-179588-033-0940ND
2016-08-179588-023-1145210.0 ppb
2016-08-179588-069-1200ND
2016-08-189588-012-1025ND
2016-10-219588-038-1115ND
2016-10-219588-044-0830ND
2016-10-219588-068-0900ND
2016-11-109588-066-1015ND
2017-05-119588-011-1010ND
2017-06-229588-003-1150120.0 ppb
2017-07-069588-224-0950190.0 ppb
2017-08-169588-018-0945ND
2017-08-169588-027-1040140.0 ppb
2017-08-179588-001-1145120.0 ppb
2017-08-179588-006-1215ND
2017-08-179588-005-1210ND
2017-11-079588-070-1140120.0 ppb
2018-02-069588-114-0935170.0 ppb
2018-02-069588-115-0920120.0 ppb
2018-05-099588-030-1105ND
2018-08-229588-076-1030ND
2018-08-229588-015-1150190.0 ppb
2018-08-229588-013-1140120.0 ppb
2018-08-229588-009-0915ND
2018-08-229588-010-0935ND
2018-10-049588-224-0830150.0 ppb
2018-11-089588-014-1325170.0 ppb
2018-11-089588-003-1205120.0 ppb
2018-11-089588-036-0850ND
2018-12-129588-036-0940ND
2019-02-149588-116-1120ND
2019-02-149588-117-1140ND
2019-05-149588-113-0835100.0 ppb
2019-05-149588-112-0845180.0 ppb
2019-08-129588-033-1040ND
2019-08-129588-069-0930100.0 ppb
2019-08-129588-069-1035100.0 ppb
2019-08-129588-023-0845210.0 ppb
2019-08-129588-077-0855130.0 ppb
2019-08-139588-012-0955ND
2019-11-189588-066-1120ND
2019-11-219588-044-1445ND
2019-11-219588-038-1410ND
2019-11-219588-068-1505ND
2019-11-219588-071-1500ND