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EWG's Tap Water Database — 2021 UPDATE

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Bromide

Los Angeles Department of Water and Power

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

 

219

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014138.0 ppb272739.0 ppb - 245.0 ppb
2015177.5 ppb3939139.0 ppb - 259.0 ppb
2016145.3 ppb444484.4 ppb - 242.0 ppb
201741.4 ppb1612ND - 151.0 ppb
201863.4 ppb505022.3 ppb - 129.0 ppb
201934.9 ppb4336ND - 103.0 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-261200-011-121551.0 ppb
2014-02-261200-133-121555.0 ppb
2014-05-141200-011-1115193.0 ppb
2014-05-141200-133-1105130.0 ppb
2014-05-311200-205-085046.0 ppb
2014-06-031200-205-072039.0 ppb
2014-06-111200-133-0855143.0 ppb
2014-07-121200-205-0910114.0 ppb
2014-07-151200-205-0700160.0 ppb
2014-07-181200-133-0655145.0 ppb
2014-07-261200-133-0605132.0 ppb
2014-08-021200-133-0620118.0 ppb
2014-08-091200-133-0615125.0 ppb
2014-08-121200-011-1030133.0 ppb
2014-08-201200-133-0900123.0 ppb
2014-09-101200-205-1000105.0 ppb
2014-09-111200-205-0840102.0 ppb
2014-09-211200-133-0625147.0 ppb
2014-10-281200-205-0930179.0 ppb
2014-11-081200-133-0625181.0 ppb
2014-11-121200-011-1240245.0 ppb
2014-11-121200-205-0940182.0 ppb
2014-11-181200-133-0935153.0 ppb
2014-11-181200-205-1110172.0 ppb
2014-12-111200-133-0655192.0 ppb
2014-12-271200-133-0925196.0 ppb
2014-12-311200-133-0800164.0 ppb
2015-01-031200-205-0930176.0 ppb
2015-01-101200-205-0900175.0 ppb
2015-02-111200-133-0825174.0 ppb
2015-02-121200-205-0850189.0 ppb
2015-02-191200-011-0845197.0 ppb
2015-03-051200-205-0905175.0 ppb
2015-03-071200-133-0605163.0 ppb
2015-03-131200-133-0640181.0 ppb
2015-03-211200-205-0710180.0 ppb
2015-03-221200-133-0615175.0 ppb
2015-03-271200-133-0630190.0 ppb
2015-04-181200-205-0930196.0 ppb
2015-05-021200-205-0800187.0 ppb
2015-05-091200-205-1035141.0 ppb
2015-05-191200-011-0900259.0 ppb
2015-05-191200-133-1100156.0 ppb
2015-05-231200-133-0650174.0 ppb
2015-05-271200-133-1255182.0 ppb
2015-05-291200-133-0945169.0 ppb
2015-08-041200-011-1040203.0 ppb
2015-08-041200-133-0645197.0 ppb
2015-08-061200-205-0800184.0 ppb
2015-08-221200-133-1020200.0 ppb
2015-09-051200-205-0900171.0 ppb
2015-09-121200-205-0845139.0 ppb
2015-10-011200-133-0725181.0 ppb
2015-10-091200-205-1005174.0 ppb
2015-10-201200-205-1155140.0 ppb
2015-11-051200-011-1005187.0 ppb
2015-11-051200-133-0755157.0 ppb
2015-11-181200-205-0745166.0 ppb
2015-11-211200-205-0835147.0 ppb
2015-11-261200-133-1100170.0 ppb
2015-12-011200-205-1200196.0 ppb
2015-12-111200-133-0810161.0 ppb
2015-12-161200-205-1005202.0 ppb
2015-12-221200-205-0730175.0 ppb
2015-12-291200-133-0700179.0 ppb
2015-12-291200-205-1050155.0 ppb
2016-01-151200-133-1055198.0 ppb
2016-02-031200-133-0820207.0 ppb
2016-02-091200-133-0930218.0 ppb
2016-02-121200-205-0930177.0 ppb
2016-02-151200-205-1030167.0 ppb
2016-02-161200-205-0920193.0 ppb
2016-02-171200-133-1045201.0 ppb
2016-02-241200-011-1215242.0 ppb
2016-03-291200-205-1105212.0 ppb
2016-04-061200-205-0900133.0 ppb
2016-04-211200-133-1030145.0 ppb
2016-04-261200-205-0720171.0 ppb
2016-05-111200-133-0750172.0 ppb
2016-05-221200-205-0915145.0 ppb
2016-05-251200-011-1135171.0 ppb
2016-05-251200-133-1210155.0 ppb
2016-06-011200-133-0755170.0 ppb
2016-06-071200-133-0930181.0 ppb
2016-06-141200-133-0815148.0 ppb
2016-06-211200-205-1310124.0 ppb
2016-06-281200-133-1000110.0 ppb
2016-07-061200-133-0940119.0 ppb
2016-07-191200-205-0855102.0 ppb
2016-07-211200-205-1225106.0 ppb
2016-07-261200-205-0835112.0 ppb
2016-08-091200-205-084099.4 ppb
2016-08-121200-205-074096.0 ppb
2016-08-171200-011-1010113.0 ppb
2016-08-171200-205-1220100.0 ppb
2016-08-231200-133-1005116.0 ppb
2016-08-231200-205-110084.4 ppb
2016-09-201200-205-093093.0 ppb
2016-09-211200-133-0705127.0 ppb
2016-09-271200-205-122089.0 ppb
2016-09-291200-205-102591.2 ppb
2016-10-181200-205-0640115.0 ppb
2016-10-261200-133-1245162.0 ppb
2016-11-011200-205-0730118.0 ppb
2016-11-211200-133-1115150.0 ppb
2016-11-221200-205-1050126.0 ppb
2016-11-291200-011-0845169.0 ppb
2016-12-061200-205-1115154.0 ppb
2016-12-271200-133-1000151.0 ppb
2016-12-271200-205-1130159.0 ppb
2017-01-241200-133-1040151.0 ppb
2017-02-161200-205-082079.5 ppb
2017-02-211200-011-114031.7 ppb
2017-02-211200-133-121071.5 ppb
2017-02-281200-205-131078.1 ppb
2017-03-281200-205-120536.3 ppb
2017-04-191200-133-065739.7 ppb
2017-05-091200-011-094036.1 ppb
2017-05-171200-133-094141.3 ppb
2017-07-121200-205-1000ND
2017-08-011200-133-0940ND
2017-08-211200-011-1010ND
2017-10-091200-133-1108ND
2017-11-201200-011-100027.7 ppb
2017-11-201200-133-104022.0 ppb
2017-12-071200-133-065147.2 ppb
2018-01-111200-133-114270.6 ppb
2018-01-211200-133-092681.3 ppb
2018-01-241200-133-093480.4 ppb
2018-02-061200-011-104028.5 ppb
2018-02-071200-133-093071.8 ppb
2018-02-191200-205-092273.3 ppb
2018-02-271200-133-080082.8 ppb
2018-02-281200-133-111291.0 ppb
2018-03-011200-205-084668.1 ppb
2018-03-061200-205-130458.1 ppb
2018-03-141200-205-080150.6 ppb
2018-03-201200-205-110453.9 ppb
2018-04-051200-205-082075.6 ppb
2018-04-101200-133-090873.0 ppb
2018-04-171200-205-111475.5 ppb
2018-04-241200-133-090677.4 ppb
2018-05-081200-133-073686.3 ppb
2018-05-091200-205-104165.6 ppb
2018-05-171200-133-074477.8 ppb
2018-05-221200-205-100656.2 ppb
2018-05-231200-011-092540.9 ppb
2018-05-281200-205-121156.8 ppb
2018-05-301200-133-102655.9 ppb
2018-06-061200-133-083060.4 ppb
2018-06-121200-205-112057.8 ppb
2018-06-271200-133-113531.5 ppb
2018-06-281200-205-092740.7 ppb
2018-06-291200-133-082931.6 ppb
2018-06-291200-211-114423.9 ppb
2018-07-031200-205-083336.1 ppb
2018-07-081200-205-072841.9 ppb
2018-07-121200-205-085143.9 ppb
2018-07-171200-205-102649.2 ppb
2018-07-241200-133-070764.4 ppb
2018-07-251200-133-121368.8 ppb
2018-08-011200-133-104966.7 ppb
2018-08-161200-011-094022.3 ppb
2018-08-161200-133-074765.9 ppb
2018-08-191200-133-080252.7 ppb
2018-08-211200-133-121554.9 ppb
2018-09-111200-133-121295.9 ppb
2018-10-021200-205-095256.0 ppb
2018-10-081200-205-085374.7 ppb
2018-10-161200-133-1155122.0 ppb
2018-10-301200-133-0856129.0 ppb
2018-11-061200-011-084289.4 ppb
2018-11-151200-133-091790.0 ppb
2018-12-121200-205-092251.9 ppb
2018-12-181200-133-095243.8 ppb
2018-12-251200-133-100451.3 ppb
2019-01-231200-133-090995.5 ppb
2019-01-291200-205-1140103.0 ppb
2019-02-051200-205-115569.0 ppb
2019-02-111200-133-101159.9 ppb
2019-02-131200-011-111525.1 ppb
2019-02-131200-133-103352.5 ppb
2019-02-181200-133-113542.2 ppb
2019-02-271200-133-104433.4 ppb
2019-03-191200-205-093034.5 ppb
2019-03-211200-133-121822.2 ppb
2019-03-271200-133-103625.6 ppb
2019-03-281200-133-1218ND
2019-04-021200-205-090434.6 ppb
2019-04-301200-205-113637.9 ppb
2019-05-071200-205-093938.0 ppb
2019-05-081200-133-071041.3 ppb
2019-05-131200-205-090423.8 ppb
2019-05-151200-205-102126.5 ppb
2019-05-211200-011-101224.0 ppb
2019-05-221200-133-094522.6 ppb
2019-05-291200-133-111029.8 ppb
2019-06-111200-205-110031.5 ppb
2019-06-121200-133-110420.7 ppb
2019-06-211200-205-080623.3 ppb
2019-07-091200-133-0809ND
2019-07-231200-205-1212ND
2019-07-311200-205-1146ND
2019-08-021200-205-090820.9 ppb
2019-08-111200-133-0732ND
2019-08-121200-011-1028ND
2019-08-131200-133-0907ND
2019-08-201200-205-123024.9 ppb
2019-08-271200-205-093525.9 ppb
2019-09-101200-205-105541.8 ppb
2019-09-241200-205-091950.8 ppb
2019-09-291200-133-082252.2 ppb
2019-10-141200-133-074652.6 ppb
2019-10-151200-205-094647.2 ppb
2019-11-051200-205-122048.7 ppb
2019-11-071200-011-095857.6 ppb
2019-11-071200-133-085244.9 ppb
2019-11-111200-133-110851.7 ppb
2019-11-261200-133-072664.2 ppb