Barium

City of Surprise - Mountain Vista

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	5.63 ppb	16	7	ND - 20.0 ppb
2015	3.33 ppb	15	5	ND - 10.00 ppb
2016	3.53 ppb	17	4	ND - 20.0 ppb
2017	2.25 ppb	16	3	ND - 16.0 ppb
2018	6.13 ppb	16	7	ND - 18.0 ppb
2019	3.44 ppb	16	5	ND - 12.0 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
2014-01-22	4011817-04I	10.00 ppb
2014-01-22	4011817-03I	ND
2014-01-22	4011817-02I	10.00 ppb
2014-01-22	4011817-01I	10.00 ppb
2014-04-22	4041931-01I	10.00 ppb
2014-04-22	4041930-01I	ND
2014-04-22	4041929-01	20.0 ppb
2014-04-22	4041927-01I	10.00 ppb
2014-07-30	4072658-01	ND
2014-07-30	4072656-01	ND
2014-07-30	4072665-01	ND
2014-07-30	4072667-01	ND
2014-10-28	4102394-01	ND
2014-10-28	4102393-01	20.0 ppb
2014-10-28	4102387-01I	ND
2014-10-29	4102474-01I	ND
2015-01-21	5011694-04I	10.00 ppb
2015-01-21	5011694-03I	ND
2015-01-21	5011694-02I	10.00 ppb
2015-01-21	5011694-01I	ND
2015-04-20	5041741-01I	ND
2015-04-20	5041742-01I	ND
2015-04-20	5041746-01I	10.00 ppb
2015-04-20	5041743-01	ND
2015-07-28	5072565-01I	ND
2015-07-28	5072564-01I	ND
2015-07-29	507268-01	ND
2015-07-29	5072676-01I	ND
2015-10-12	5101379-01I	ND
2015-10-12	5101373-01I	10.00 ppb
2015-10-12	5101369-01I	10.00 ppb
2016-01-25	6012035-02TT	10.00 ppb
2016-01-25	6012035-01TT	ND
2016-01-25	6012035-03I	ND
2016-01-25	6012035-03TT	ND
2016-01-25	6012035-04TT	10.00 ppb
2016-04-26	6042227-01I	ND
2016-04-26	6042226-01I	ND
2016-04-26	6042223-01I	ND
2016-04-26	6042222-01I	ND
2016-07-26	6072329-01	ND
2016-07-26	6072325-01	ND
2016-07-26	6072323-01	ND
2016-07-26	6072321-01I	ND
2016-10-24	6102131-01I	ND
2016-10-24	6102137-01	20.0 ppb
2016-10-24	6102135-01	ND
2016-10-24	6102133-01I	20.0 ppb
2017-01-30	7012591-04C	10.00 ppb
2017-01-30	7012591-03C	ND
2017-01-30	7012591-02C	ND
2017-01-30	7012591-01	10.00 ppb
2017-04-20	7041996-01IOC	ND
2017-04-20	7041995-01IOC	ND
2017-04-20	7041987-01IOC	ND
2017-04-24	7042213-01IOC	ND
2017-07-19	7071804-01IOC	ND
2017-07-19	7071802-01IOC	ND
2017-07-19	7071805-01IOC	ND
2017-07-19	7071806-01IOC	ND
2017-10-11	7101207-04 IOC	16.0 ppb
2017-10-11	7101207-03 IOC	ND
2017-10-11	7101207-02 IOC	ND
2017-10-11	7101207-01 IOC	ND
2018-01-08	18A0734-04	18.0 ppb
2018-01-08	18A0734-03	13.0 ppb
2018-01-08	18A0734-02	ND
2018-01-08	18A0734-01	ND
2018-04-09	18D0971-01 IOC	ND
2018-04-09	18D0971-02 IOC	12.0 ppb
2018-04-09	18D0971-04	18.0 ppb
2018-04-09	18D0971-03 IOC	ND
2018-07-09	18G0785-04 IOC	14.0 ppb
2018-07-09	18G0785-03 IOC	ND
2018-07-09	18G0785-02 IOC	ND
2018-07-09	18G0785-01 IOC	ND
2018-10-08	18J0826-04	13.0 ppb
2018-10-08	18J0826-03	ND
2018-10-08	18J0826-02	ND
2018-10-08	18J0826-01	10.00 ppb
2019-01-23	19A2463-02	ND
2019-01-23	19A2463-01	ND
2019-01-23	19A2463-03	ND
2019-01-23	19A2463-04	ND
2019-04-29	19D3107-04	12.0 ppb
2019-04-29	19D3107-03	11.0 ppb
2019-04-29	19D3107-02	ND
2019-04-29	19D3107-01	ND
2019-07-10	19G1241-04	11.0 ppb
2019-07-10	19G1241-03	11.0 ppb
2019-07-10	19G1241-02	ND
2019-07-10	19G1241-01	ND
2019-10-09	19J1279-01	ND
2019-10-09	19J1279-04	ND
2019-10-09	19J1279-03	10.00 ppb
2019-10-09	19J1279-02	ND