Barium

Cal-water Service Company - Marysville

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

114

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	N/A	0	0	N/A
2014	42.6 ppb	34	31	ND - 65.6 ppb
2015	29.5 ppb	24	13	ND - 150.0 ppb
2016	ND	25	0	ND
2017	ND	9	0	ND
2018	10.00 ppb	15	1	ND - 150.0 ppb
2019	ND	7	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
2014-05-04	5701-011-0819	65.0 ppb
2014-05-04	5701-015-1122	47.2 ppb
2014-05-04	5701-018-1559	53.8 ppb
2014-05-04	5701-020-1126	40.3 ppb
2014-05-19	5810-011-1320	ND
2014-06-02	5701-011-0839	53.0 ppb
2014-06-02	5701-015-0822	39.5 ppb
2014-06-02	5701-020-0824	39.1 ppb
2014-06-03	5701-018-0850	48.4 ppb
2014-07-07	5701-009-1145	19.4 ppb
2014-07-07	5701-011-0833	59.3 ppb
2014-07-07	5701-015-1349	41.9 ppb
2014-07-07	5701-016-1415	57.2 ppb
2014-07-07	5701-018-1417	57.6 ppb
2014-07-07	5701-020-1347	42.0 ppb
2014-08-02	5701-011-0953	56.9 ppb
2014-09-07	5701-011-0840	55.1 ppb
2014-09-07	5701-015-0814	43.6 ppb
2014-09-07	5701-018-1104	65.6 ppb
2014-09-07	5701-020-0815	40.2 ppb
2014-10-01	5701-008-1220	18.9 ppb
2014-10-01	5701-009-1050	19.2 ppb
2014-10-02	5701-016-1205	58.6 ppb
2014-10-02	5701-018-1206	60.0 ppb
2014-10-03	5701-015-1049	42.5 ppb
2014-10-03	5701-020-1050	39.7 ppb
2014-10-06	5701-011-0921	55.6 ppb
2014-10-06	5701-013-1207	26.3 ppb
2014-10-12	5701-011-0829	55.0 ppb
2014-10-14	5810-013-1318	ND
2014-10-27	5701-011-0924	53.0 ppb
2014-11-17	5810-008-1318	ND
2014-12-13	5701-020-1324	38.8 ppb
2014-12-14	5701-018-0957	57.3 ppb
2015-01-12	5810-009-1329	ND
2015-01-12	5810-012-1414	150.0 ppb
2015-02-02	5701-011-0937	50.3 ppb
2015-02-02	5701-015-1055	42.0 ppb
2015-02-02	5701-018-1329	51.8 ppb
2015-02-02	5701-020-1059	35.6 ppb
2015-02-02	5701-023-0939	42.8 ppb
2015-04-06	5810-010-1310	ND
2015-05-12	5701-020-1327	36.4 ppb
2015-05-13	5701-011-0952	51.8 ppb
2015-05-13	5701-018-0837	49.3 ppb
2015-05-13	5701-023-0954	47.8 ppb
2015-06-01	5701-011-0837	51.8 ppb
2015-06-01	5701-015-1302	36.0 ppb
2015-06-01	5701-018-1005	61.2 ppb
2015-08-19	5810-015-1053	ND
2015-09-07	5701-011-0913	ND
2015-09-07	5701-015-1607	ND
2015-09-07	5701-018-0809	ND
2015-09-07	5701-020-1608	ND
2015-09-07	5701-023-0910	ND
2015-12-01	5701-011-1311	ND
2015-12-01	5701-018-1543	ND
2015-12-01	5701-023-1312	ND
2016-02-09	5701-011-1113	ND
2016-02-09	5701-018-1347	ND
2016-02-09	5701-023-1111	ND
2016-02-16	5810-016-1429	ND
2016-03-02	5701-011-1003	ND
2016-03-02	5701-018-1257	ND
2016-03-02	5701-023-1001	ND
2016-03-07	5810-011-1306	ND
2016-04-05	5701-009-0830	ND
2016-04-05	5701-011-0843	ND
2016-04-05	5701-013-1006	ND
2016-04-05	5701-016-1017	ND
2016-04-05	5701-018-1019	ND
2016-04-05	5701-023-0840	ND
2016-05-02	5701-018-1124	ND
2016-05-02	5701-023-0847	ND
2016-06-22	5701-011-1157	ND
2016-06-22	5701-015-1343	ND
2016-06-22	5701-018-0925	ND
2016-06-22	5701-020-1345	ND
2016-06-22	5701-023-1159	ND
2016-07-05	5701-020-1313	ND
2016-07-05	5701-023-1338	ND
2016-07-06	5701-018-1008	ND
2016-12-20	5810-008-1305	ND
2017-01-05	5701-009-1554	ND
2017-01-05	5701-011-1011	ND
2017-01-05	5701-016-1317	ND
2017-01-05	5701-018-1319	ND
2017-01-05	5701-023-1013	ND
2017-02-02	5701-011-0946	ND
2017-02-02	5701-018-1206	ND
2017-02-02	5701-023-0948	ND
2017-03-22	5810-013-1401	ND
2018-01-14	5701-015-1440	ND
2018-01-17	5810-009-1400	ND
2018-02-05	5701-018-1411	ND
2018-02-05	5701-023-1122	ND
2018-03-13	5701-011-1308	ND
2018-03-13	5701-018-1450	ND
2018-03-13	5701-023-1314	ND
2018-04-09	5701-016-1441	ND
2018-04-09	5701-018-1444	ND
2018-04-09	5701-023-1009	ND
2018-04-10	5701-013-1300	ND
2018-04-17	5810-010-1316	ND
2018-05-15	5810-012-1433	150.0 ppb
2018-08-07	5810-015-1355	ND
2018-08-13	5701-011-1109	ND
2019-02-13	5810-016-1035	ND
2019-03-19	5810-011-1316	ND
2019-04-08	5701-016-0940	ND
2019-04-08	5701-018-0941	ND
2019-04-08	5701-023-1419	ND
2019-04-09	5701-009-1451	ND
2019-04-09	5701-013-1701	ND