Barium

Golden State Water Company - Orcutt

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

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	12	ND
2015	N/A	0	N/A
2016	N/A	0	N/A
2017	ND	12	ND
2018	N/A	0	N/A
2019	N/A	0	N/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
2014-01-29	2706-011-0916	ND
2014-01-29	2706-004-1020	ND
2014-01-29	2706-001-0940	ND
2014-02-05	2706-031-1020	ND
2014-02-05	2706-015-0950	ND
2014-02-05	2706-014-0930	ND
2014-02-05	2706-012-1030	ND
2014-02-05	2706-009-1045	ND
2014-02-05	2706-008-1035	ND
2014-02-05	2706-006-0935	ND
2014-02-05	2706-005-0835	ND
2014-02-26	2706-010-0935	ND
2017-02-21	9590-031-1010	ND
2017-02-21	9590-015-0930	ND
2017-02-21	9590-014-1015	ND
2017-02-21	9590-012-1150	ND
2017-02-21	9590-011-1115	ND
2017-02-21	9590-010-1110	ND
2017-02-21	9590-008-1035	ND
2017-02-21	9590-006-1235	ND
2017-02-21	9590-001-0902	ND
2017-03-07	9590-005-1110	ND
2017-03-07	9590-004-0935	ND
2017-03-21	9590-009-1005	ND