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EWG's Tap Water Database — 2021 UPDATE

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Bromide

Santa Clara Valley 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

 

95

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014120.0 ppb151550.0 ppb - 220.0 ppb
2015111.9 ppb2120ND - 230.0 ppb
201691.8 ppb119ND - 200.0 ppb
201750.0 ppb126ND - 120.0 ppb
201888.9 ppb1815ND - 180.0 ppb
201985.0 ppb1810ND - 180.0 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-112400-011-081550.0 ppb
2014-02-112400-005-0920160.0 ppb
2014-02-112400-007-1015100.0 ppb
2014-05-202400-011-0945210.0 ppb
2014-05-202400-007-1059100.0 ppb
2014-05-202400-005-120260.0 ppb
2014-08-122400-011-090190.0 ppb
2014-08-122400-007-101070.0 ppb
2014-08-122400-005-1021200.0 ppb
2014-11-042400-007-091690.0 ppb
2014-11-122400-023-0949120.0 ppb
2014-11-122400-022-1030130.0 ppb
2014-11-122400-024-1103110.0 ppb
2014-12-022400-011-092690.0 ppb
2014-12-022400-005-1036220.0 ppb
2015-02-232400-024-1240100.0 ppb
2015-02-232400-023-1100100.0 ppb
2015-02-232400-022-1200110.0 ppb
2015-02-242400-011-0835ND
2015-02-242400-007-100870.0 ppb
2015-02-242400-005-0950100.0 ppb
2015-05-182400-024-0920110.0 ppb
2015-05-182400-023-0855130.0 ppb
2015-05-182400-022-0950120.0 ppb
2015-05-192400-011-0818130.0 ppb
2015-05-192400-005-0935120.0 ppb
2015-05-192400-007-092890.0 ppb
2015-08-182400-005-0956230.0 ppb
2015-08-182400-022-1030120.0 ppb
2015-08-182400-024-0930120.0 ppb
2015-08-182400-007-1045100.0 ppb
2015-08-182400-011-083560.0 ppb
2015-09-212400-023-1105110.0 ppb
2015-11-172400-005-0954200.0 ppb
2015-11-172400-011-081660.0 ppb
2015-11-172400-007-0844170.0 ppb
2016-02-232400-011-0800200.0 ppb
2016-02-232400-005-093070.0 ppb
2016-02-232400-007-093260.0 ppb
2016-05-172400-011-0813140.0 ppb
2016-05-172400-005-0937ND
2016-05-172400-007-0939ND
2016-08-162400-007-103570.0 ppb
2016-08-162400-011-0810100.0 ppb
2016-08-162400-005-092370.0 ppb
2016-11-152400-011-0758180.0 ppb
2016-11-152400-007-0922120.0 ppb
2017-02-212400-011-082780.0 ppb
2017-02-212400-007-095370.0 ppb
2017-05-162400-011-0845ND
2017-05-162400-007-0950ND
2017-05-172400-023-1023120.0 ppb
2017-05-172400-024-1048120.0 ppb
2017-05-172400-022-1117110.0 ppb
2017-08-222400-005-1140ND
2017-08-222400-007-1038ND
2017-08-222400-011-0943100.0 ppb
2017-11-142400-007-0734ND
2017-11-142400-005-0900ND
2018-02-202400-005-095890.0 ppb
2018-02-202400-007-084560.0 ppb
2018-03-272400-011-0833130.0 ppb
2018-05-142400-022-0926140.0 ppb
2018-05-142400-024-1015150.0 ppb
2018-05-142400-023-0944180.0 ppb
2018-05-152400-007-1250ND
2018-05-152400-011-171380.0 ppb
2018-05-152400-005-0848ND
2018-08-212400-005-130460.0 ppb
2018-08-212400-007-1125ND
2018-08-212400-011-093570.0 ppb
2018-08-222400-024-1017120.0 ppb
2018-08-222400-023-1448120.0 ppb
2018-08-222400-022-1055110.0 ppb
2018-11-062400-007-103380.0 ppb
2018-11-062400-011-0920130.0 ppb
2018-11-062400-005-102580.0 ppb
2019-02-192400-007-0950ND
2019-02-192400-011-0728ND
2019-02-192400-005-0835ND
2019-05-212400-007-1049ND
2019-05-212400-005-1030ND
2019-05-212400-011-0851140.0 ppb
2019-05-222400-024-1140160.0 ppb
2019-05-222400-023-1032170.0 ppb
2019-05-222400-022-1228160.0 ppb
2019-08-202400-005-0825ND
2019-08-202400-007-0955110.0 ppb
2019-08-202400-011-0654160.0 ppb
2019-11-192400-005-1045ND
2019-11-192400-011-0926150.0 ppb
2019-11-192400-007-1207ND
2019-11-202400-024-1036160.0 ppb
2019-11-202400-023-1000180.0 ppb
2019-11-202400-022-1115140.0 ppb