Barium

Big Bear City CSD

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	13	ND
2015	N/A	0	N/A
2016	N/A	0	N/A
2017	ND	14	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
2014-06-18	3761-016-1026	ND
2014-06-18	3761-015-1039	ND
2014-06-18	3761-014-1009	ND
2014-06-18	3761-012-1048	ND
2014-06-18	3761-010-1119	ND
2014-06-18	3761-009-1111	ND
2014-06-18	3761-008-1053	ND
2014-06-18	3761-006-1001	ND
2014-06-18	3761-005-1107	ND
2014-06-18	3761-004-1103	ND
2014-06-18	3761-003-0755	ND
2014-06-18	3761-002-0921	ND
2014-06-18	3761-001-0936	ND
2017-05-31	3761-021-0800	ND
2017-05-31	3761-001-0910	ND
2017-05-31	3761-020-0800	ND
2017-05-31	3761-016-0940	ND
2017-05-31	3761-015-0840	ND
2017-05-31	3761-014-0930	ND
2017-05-31	3761-012-1000	ND
2017-05-31	3761-010-1040	ND
2017-05-31	3761-009-1020	ND
2017-05-31	3761-008-0953	ND
2017-05-31	3761-006-1130	ND
2017-05-31	3761-005-1020	ND
2017-05-31	3761-004-1015	ND
2017-05-31	3761-002-0850	ND