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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

St John Water District 1

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

 

216

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.325 ppb5612ND - 2.00 ppb
20150.419 ppb328ND - 3.80 ppb
2016ND320ND
20170.213 ppb324ND - 1.90 ppb
2018ND320ND
2019ND320ND

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
2014-03-05201168804ND
2014-03-05201168805ND
2014-03-05201168806ND
2014-03-05201168808ND
2014-03-05201168809ND
2014-03-05201168810ND
2014-03-05201168811ND
2014-03-05201198807ND
2014-03-05201168804ND
2014-03-05201168805ND
2014-03-05201168806ND
2014-03-05201168808ND
2014-03-05201168809ND
2014-03-05201168810ND
2014-03-05201168811ND
2014-03-05201198807ND
2014-06-04204743001ND
2014-06-04204743002ND
2014-06-04204743003ND
2014-06-04204743004ND
2014-06-04204746001ND
2014-06-04204746002ND
2014-06-04204746003ND
2014-06-04204746004ND
2014-06-04204743001ND
2014-06-04204743002ND
2014-06-04204743003ND
2014-06-04204743004ND
2014-06-04204746001ND
2014-06-04204746002ND
2014-06-04204746003ND
2014-06-04204746004ND
2014-08-272086010011.10 ppb
2014-08-272086010021.10 ppb
2014-08-27208601003ND
2014-08-27208601004ND
2014-08-272086010011.10 ppb
2014-08-272086010021.10 ppb
2014-08-27208601003ND
2014-08-27208601004ND
2014-09-182095730012.00 ppb
2014-09-182095730021.50 ppb
2014-09-182095730031.60 ppb
2014-09-182095730041.80 ppb
2014-09-182095730012.00 ppb
2014-09-182095730021.50 ppb
2014-09-182095730031.60 ppb
2014-09-182095730041.80 ppb
2014-12-102013526001ND
2014-12-102013526002ND
2014-12-102013526003ND
2014-12-102013526004ND
2014-12-102013526001ND
2014-12-102013526002ND
2014-12-102013526003ND
2014-12-102013526004ND
2015-03-052016736001ND
2015-03-052016736002ND
2015-03-052016736003ND
2015-03-052061736004ND
2015-03-052016736001ND
2015-03-052016736002ND
2015-03-052016736003ND
2015-03-052061736004ND
2015-06-0420208930011.10 ppb
2015-06-0420208930020.800 ppb
2015-06-0420208930033.80 ppb
2015-06-042020893004ND
2015-06-0420208930011.10 ppb
2015-06-0420208930020.800 ppb
2015-06-0420208930033.80 ppb
2015-06-042020893004ND
2015-09-022025096001ND
2015-09-022025096002ND
2015-09-022025096003ND
2015-09-022025096004ND
2015-09-022025096001ND
2015-09-022025096002ND
2015-09-022025096003ND
2015-09-022025096004ND
2015-12-092029828001ND
2015-12-092029828002ND
2015-12-092029828003ND
2015-12-0920298280041.000 ppb
2015-12-092029828001ND
2015-12-092029828002ND
2015-12-092029828003ND
2015-12-0920298280041.000 ppb
2016-03-072033512001ND
2016-03-072033512002ND
2016-03-072033512003ND
2016-03-072033512004ND
2016-03-072033512001ND
2016-03-072033512002ND
2016-03-072033512003ND
2016-03-072033512004ND
2016-06-082037926001ND
2016-06-082037926002ND
2016-06-082037926003ND
2016-06-082037926004ND
2016-06-082037926001ND
2016-06-082037926002ND
2016-06-082037926003ND
2016-06-082037926004ND
2016-09-142042676001ND
2016-09-142042676002ND
2016-09-142042676003ND
2016-09-142042676004ND
2016-09-142042676001ND
2016-09-142042676002ND
2016-09-142042676003ND
2016-09-142042676004ND
2016-12-072047037001ND
2016-12-072047051001ND
2016-12-072047056001ND
2016-12-072047058001ND
2016-12-072047037001ND
2016-12-072047051001ND
2016-12-072047056001ND
2016-12-072047058001ND
2017-03-1035300153001ND
2017-03-1035300153002ND
2017-03-1035300153003ND
2017-03-1035300153004ND
2017-03-1035300153001ND
2017-03-1035300153002ND
2017-03-1035300153003ND
2017-03-1035300153004ND
2017-06-2235320231009ND
2017-06-2235320231010ND
2017-06-2235320231011ND
2017-06-2235320231012ND
2017-06-2235320231009ND
2017-06-2235320231010ND
2017-06-2235320231011ND
2017-06-2235320231012ND
2017-09-21353373950011.50 ppb
2017-09-21353373950021.90 ppb
2017-09-2135337395003ND
2017-09-2135337395004ND
2017-09-21353373950011.50 ppb
2017-09-21353373950021.90 ppb
2017-09-2135337395003ND
2017-09-2135337395004ND
2017-12-1435363550001ND
2017-12-1435363550002ND
2017-12-1435363550003ND
2017-12-1435363550004ND
2017-12-1435363550001ND
2017-12-1435363550002ND
2017-12-1435363550003ND
2017-12-1435363550004ND
2018-03-1535380540001ND
2018-03-1535380540002ND
2018-03-1535380540003ND
2018-03-1535380540004ND
2018-03-1535380540001ND
2018-03-1535380540002ND
2018-03-1535380540003ND
2018-03-1535380540004ND
2018-06-1435398652001ND
2018-06-1435398652002ND
2018-06-1435398652003ND
2018-06-1435398652004ND
2018-06-1435398652001ND
2018-06-1435398652002ND
2018-06-1435398652003ND
2018-06-1435398652004ND
2018-09-0635416143001ND
2018-09-0635416143002ND
2018-09-0635416143003ND
2018-09-0635416143004ND
2018-09-0635416143001ND
2018-09-0635416143002ND
2018-09-0635416143003ND
2018-09-0635416143004ND
2018-12-1035436357001ND
2018-12-1035436357002ND
2018-12-1035436357003ND
2018-12-1035436357004ND
2018-12-1035436357001ND
2018-12-1035436357002ND
2018-12-1035436357003ND
2018-12-1035436357004ND
2019-03-1335454557001ND
2019-03-1335454557002ND
2019-03-1335454557003ND
2019-03-1335454557004ND
2019-03-1335454557001ND
2019-03-1335454557002ND
2019-03-1335454557003ND
2019-03-1335454557004ND
2019-06-1135475288001ND
2019-06-1135475288002ND
2019-06-1135475288003ND
2019-06-1135475288004ND
2019-06-1135475288001ND
2019-06-1135475288002ND
2019-06-1135475288003ND
2019-06-1135475288004ND
2019-09-1235497589001ND
2019-09-1235497589002ND
2019-09-1235497589003ND
2019-09-1235497589004ND
2019-09-1235497589001ND
2019-09-1235497589002ND
2019-09-1235497589003ND
2019-09-1235497589004ND
2019-12-0935517591001ND
2019-12-0935517591002ND
2019-12-0935517591003ND
2019-12-0935517591004ND
2019-12-0935517591001ND
2019-12-0935517591002ND
2019-12-0935517591003ND
2019-12-0935517591004ND