Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monobromoacetic acid

Tri-County Water Distbr District

Monobromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.444 ppb161ND - 7.10 ppb
20150.0938 ppb161ND - 1.50 ppb
2016ND160ND
2017ND160ND
2018ND160ND
2019ND160ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 25 ppb

The EWG Health Guideline of 25 ppb for monobromoacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against muscular degeneration.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-2214023004501ND
2014-01-2214023004001ND
2014-01-2214023004301ND
2014-01-2214023004101ND
2014-04-16141070084017.10 ppb
2014-04-1614107008701ND
2014-04-1614107008901ND
2014-04-1614107008501ND
2014-07-1614198014801ND
2014-07-1614198014701ND
2014-07-1614198015001ND
2014-07-1614198014901ND
2014-11-1114316004601ND
2014-11-1114316004501ND
2014-11-1114316005501ND
2014-11-1114316005201ND
2015-02-1015043004501ND
2015-02-1015043004301ND
2015-02-1015043004701ND
2015-02-10150430048011.50 ppb
2015-05-1115134004501ND
2015-05-1115134004701ND
2015-05-1115134003101ND
2015-05-1115134004401ND
2015-08-1015225003101ND
2015-08-1015225002701ND
2015-08-1015225002901ND
2015-08-1015225003201ND
2015-11-1115316000601ND
2015-11-1115316000301ND
2015-11-1115316000701ND
2015-11-1215317003701ND
2016-02-0916042009001ND
2016-02-0916042008101ND
2016-02-0916042008501ND
2016-02-0916042008401ND
2016-05-1016133007601ND
2016-05-1016133007501ND
2016-05-1016133007401ND
2016-05-1016133005001ND
2016-08-0916223008701ND
2016-08-0916223009001ND
2016-08-0916223008901ND
2016-08-0916223008801ND
2016-11-0716314006201ND
2016-11-0716314006501ND
2016-11-0716314006401ND
2016-11-0716314006301ND
2017-01-3117033005601ND
2017-01-3117033005801ND
2017-01-3117033005701ND
2017-01-3117033005901ND
2017-05-2317145002501ND
2017-05-2317145003201ND
2017-05-2317145003101ND
2017-05-2317145002801ND
2017-08-0817222010201ND
2017-08-0817222010801ND
2017-08-0817222010301ND
2017-08-0817222010601ND
2017-11-0717313010301ND
2017-11-0717313010201ND
2017-11-0717313010401ND
2017-11-0717313010101ND
2018-02-0618039007901ND
2018-02-0618039007801ND
2018-02-0618039008001ND
2018-02-0618039008301ND
2018-05-0718129003701ND
2018-05-0718129003501ND
2018-05-0718129003401ND
2018-05-0718129003601ND
2018-07-3118213001801ND
2018-07-3118213002001ND
2018-07-3118213002101ND
2018-07-3118213001401ND
2018-10-3018305003201ND
2018-10-3018305003301ND
2018-10-3018305003101ND
2018-10-3018305003001ND
2019-01-2919031010101ND
2019-01-2919031010401ND
2019-01-2919031010201ND
2019-01-2919031010301ND
2019-04-2419115011501ND
2019-04-2419115012001ND
2019-04-2419115011801ND
2019-04-2419115011901ND
2019-07-2419206008301ND
2019-07-2419206008602ND
2019-07-2419206008502ND
2019-07-2419206008401ND
2019-10-1419290015301ND
2019-10-1419290015001ND
2019-10-1419290014701ND
2019-10-1419290014901ND