Barium

City of Clinton

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	Detections	Range of results
2014	ND	5	0	ND
2015	ND	5	0	ND
2016	ND	5	0	ND
2017	178.8 ppb	5	2	ND - 450.0 ppb
2018	N/A	0	0	N/A
2019	ND	5	0	ND

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
2014-04-14	37729_14-10683	ND
2014-04-14	37729_14-10686	ND
2014-04-14	37729_14-10691	ND
2014-04-14	37729_14-10695	ND
2014-04-14	37729_14-10678	ND
2015-08-03		ND
2015-08-03		ND
2015-08-03		ND
2015-08-03		ND
2015-08-03		ND
2016-08-09	37729_16-26857	ND
2016-08-09	37729_16-26859	ND
2016-08-09	37729_16-26858	ND
2016-08-09	37729_16-26856	ND
2016-08-09	37729_16-26855	ND
2017-09-14	37729_17-34003	ND
2017-09-14	37729_17-34004	450.0 ppb
2017-09-14	37729_17-34005	ND
2017-09-14	37729_17-34006	ND
2017-09-14	37729_17-34007	444.0 ppb
2019-05-08	37729_19-18707	ND
2019-05-08	37729_19-18708	ND
2019-05-08	37729_19-18709	ND
2019-05-08	37729_19-18710	ND
2019-05-08	37729_19-18711	ND