Bromide

Soquel Creek Water District

Bromide is a naturally occurring element found in surface waters and groundwater. During drinking water treatment, bromide can combine with chlorine or other disinfectants, contributing to the formation of toxic tap water disinfection byproducts.

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
2013	N/A	0	0	N/A
2014	132.1 ppb	27	24	ND - 330.0 ppb
2015	118.6 ppb	14	11	ND - 300.0 ppb
2016	191.3 ppb	16	16	110.0 ppb - 350.0 ppb
2017	155.3 ppb	19	18	ND - 330.0 ppb
2018	140.6 ppb	12	12	72.0 ppb - 320.0 ppb
2019	50.0 ppb	8	3	ND - 200.0 ppb

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-02-19	9590-014-0805	100.0 ppb
2014-02-19	9590-022-1310	170.0 ppb
2014-02-19	9590-047-0750	230.0 ppb
2014-02-19	9590-037-1207	330.0 ppb
2014-02-20	9590-002-1147	130.0 ppb
2014-02-20	9590-007-1043	160.0 ppb
2014-02-20	9590-013-0958	99.0 ppb
2014-02-20	9590-034-1135	140.0 ppb
2014-02-21	9590-049-0835	79.0 ppb
2014-02-21	9590-012-0820	100.0 ppb
2014-02-24	9590-036-1320	84.0 ppb
2014-02-24	9590-004-1233	150.0 ppb
2014-02-24	9590-003-1142	100.0 ppb
2014-02-24	9590-005-1300	96.0 ppb
2014-08-13	2385-003-0930	ND
2014-09-22	1644-036-1340	ND
2014-09-22	1644-003-1040	110.0 ppb
2014-09-22	1644-004-0950	180.0 ppb
2014-09-22	1644-005-1015	100.0 ppb
2014-09-23	1644-049-0935	ND
2014-10-14	1644-047-0917	220.0 ppb
2014-10-15	1644-007-1440	150.0 ppb
2014-10-15	1644-034-0913	130.0 ppb
2014-10-15	1644-002-0903	140.0 ppb
2014-10-16	1644-012-1330	110.0 ppb
2014-10-16	1644-022-1055	150.0 ppb
2014-10-16	1644-037-1122	310.0 ppb
2015-02-12	5806-054-0911	120.0 ppb
2015-09-21	1644-004-0935	120.0 ppb
2015-09-22	1644-003-1505	110.0 ppb
2015-09-22	1644-049-1433	ND
2015-09-22	1644-005-1407	110.0 ppb
2015-10-15	1644-047-1440	210.0 ppb
2015-10-15	1644-037-1220	300.0 ppb
2015-10-19	1644-014-1342	ND
2015-10-20	1644-054-1140	120.0 ppb
2015-10-21	1644-002-1330	160.0 ppb
2015-10-21	1644-034-1355	150.0 ppb
2015-10-27	1644-012-0919	100.0 ppb
2015-10-27	1644-007-0947	160.0 ppb
2015-11-05	1644-036-1340	ND
2016-09-19	1644-049-1105	120.0 ppb
2016-09-20	1644-004-0828	220.0 ppb
2016-09-20	1644-036-0902	130.0 ppb
2016-09-20	1644-053-1158	110.0 ppb
2016-09-20	1644-052-1150	140.0 ppb
2016-09-20	1644-005-0848	140.0 ppb
2016-10-18	1644-007-1120	200.0 ppb
2016-10-18	1644-004-1040	220.0 ppb
2016-10-18	1644-037-1230	350.0 ppb
2016-10-19	1644-022-1323	190.0 ppb
2016-10-19	1644-012-1004	150.0 ppb
2016-10-20	1644-014-0920	210.0 ppb
2016-10-20	1644-047-1428	300.0 ppb
2016-10-25	1644-004-1040	230.0 ppb
2016-10-26	1644-034-1305	170.0 ppb
2016-10-27	1644-054-1041	180.0 ppb
2017-01-26	1644-058-1237	100.0 ppb
2017-01-26	1644-005-1148	140.0 ppb
2017-02-02	1644-058-1019	110.0 ppb
2017-02-02	1644-005-0940	110.0 ppb
2017-05-16	1644-013-1425	140.0 ppb
2017-09-13	1644-005-1234	140.0 ppb
2017-09-13	1644-036-1407	140.0 ppb
2017-09-19	1644-053-1049	ND
2017-09-19	1644-049-1109	130.0 ppb
2017-09-27	1644-004-1352	190.0 ppb
2017-10-03	1644-054-1340	180.0 ppb
2017-10-04	1644-037-1155	330.0 ppb
2017-10-05	1644-034-1207	180.0 ppb
2017-10-05	1644-047-1102	250.0 ppb
2017-10-10	1644-022-1311	200.0 ppb
2017-10-12	1644-014-1335	150.0 ppb
2017-10-12	1644-012-0733	160.0 ppb
2017-10-24	1644-013-1106	130.0 ppb
2017-10-24	1644-007-1033	170.0 ppb
2018-09-04	1644-054-1127	180.0 ppb
2018-09-19	5810-005-0944	96.0 ppb
2018-09-19	5810-049-1433	72.0 ppb
2018-09-19	5810-036-0929	85.0 ppb
2018-10-15	5810-034-1008	130.0 ppb
2018-10-16	5810-007-1002	150.0 ppb
2018-10-16	5810-012-0903	95.0 ppb
2018-10-16	5810-013-0846	99.0 ppb
2018-10-16	5810-037-1102	320.0 ppb
2018-10-17	5810-022-1205	150.0 ppb
2018-10-17	5810-014-1355	90.0 ppb
2018-10-17	5810-047-1234	220.0 ppb
2019-09-24	2385-049-0928	ND
2019-09-25	2385-005-0832	ND
2019-09-25	2385-036-0855	ND
2019-10-16	2385-037-0915	200.0 ppb
2019-10-21	2385-014-1010	ND
2019-10-23	2385-007-1125	100.0 ppb
2019-10-23	2385-012-1005	ND
2019-10-23	2385-034-1050	100.0 ppb