Know Your Environment. Protect Your Health.

Monobromoacetic acid

Regional Water Authority

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.

 

292

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND480ND
2019ND480ND
20200.0200 ppb502ND - 0.500 ppb
2021ND490ND
20220.425 ppb4922ND - 1.39 ppb
20230.990 ppb4832ND - 1.84 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 25 ppb

The EWG Health Guideline of 25 ppb for monobromoacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-06DBP 200489268ND
2018-03-06DBP 200489275ND
2018-03-06DBP 200489287ND
2018-03-07DBP 200489537ND
2018-03-07DBP 200489538ND
2018-03-07DBP 200489539ND
2018-03-07DBP 200489540ND
2018-03-07DBP 200489541ND
2018-03-08DBP 200489565ND
2018-03-09DBP 200489701ND
2018-03-09DBP 200489702ND
2018-03-09DBP 200489703ND
2018-06-05DBP 200495984ND
2018-06-05DBP 200495989ND
2018-06-05DBP 200496002ND
2018-06-06DBP 200496235ND
2018-06-07DBP 200496375ND
2018-06-07DBP 200496376ND
2018-06-07DBP 200496417ND
2018-06-08DBP 200496507ND
2018-06-08DBP 200496508ND
2018-06-08DBP 200496509ND
2018-06-08DBP 200496510ND
2018-06-08DBP 200496511ND
2018-09-04DBP 200503732ND
2018-09-04DBP 200503737ND
2018-09-04DBP 200503842ND
2018-09-04DBP 200503912ND
2018-09-04DBP 200503913ND
2018-09-04DBP 200503914ND
2018-09-05DBP 200503981ND
2018-09-05DBP 200504086ND
2018-09-05DBP 200504087ND
2018-09-06DBP 200504185ND
2018-09-06DBP 200504211ND
2018-09-07DBP 200504441ND
2018-12-03DBP 200514372ND
2018-12-03DBP 200514406ND
2018-12-04DBP 200514447ND
2018-12-04DBP 200514452ND
2018-12-04DBP 200514625ND
2018-12-04DBP 200514626ND
2018-12-04DBP 200514627ND
2018-12-04DBP 200514628ND
2018-12-04DBP 200514629ND
2018-12-05DBP 200514952ND
2018-12-06DBP 200515069ND
2018-12-06DBP 200515070ND
2019-03-04DBP 200523215ND
2019-03-04DBP 200523217ND
2019-03-05DBP 200523262ND
2019-03-05DBP 200523269ND
2019-03-05DBP 200523456ND
2019-03-05DBP 200523457ND
2019-03-05DBP 200523458ND
2019-03-05DBP 200523459ND
2019-03-05DBP 200523463ND
2019-03-07DBP 200523884ND
2019-03-08DBP 200524000ND
2019-03-08DBP 200524002ND
2019-06-03DBP 200534373ND
2019-06-03DBP 200534414ND
2019-06-04DBP 200534491ND
2019-06-04DBP 200534496ND
2019-06-04DBP 200534600ND
2019-06-04DBP 200534725ND
2019-06-04DBP 200534727ND
2019-06-04DBP 200534729ND
2019-06-05DBP 200535039ND
2019-06-05DBP 200535041ND
2019-06-06DBP 200535197ND
2019-06-07DBP 200535357ND
2019-09-03DBP 200546988ND
2019-09-03DBP 200546993ND
2019-09-04DBP 200547400ND
2019-09-04DBP 200547402ND
2019-09-04DBP 200547403ND
2019-09-04DBP 200547404ND
2019-09-04DBP 200547405ND
2019-09-05DBP 200547460ND
2019-09-05DBP 200547667ND
2019-09-06DBP 200547826ND
2019-09-06DBP 200547827ND
2019-09-06DBP 200547828ND
2019-12-02DBP 200558405ND
2019-12-02DBP 200558406ND
2019-12-02DBP 200558407ND
2019-12-03DBP 200558454ND
2019-12-03DBP 200558459ND
2019-12-03DBP 200558612ND
2019-12-04DBP 200558916ND
2019-12-04DBP 200558917ND
2019-12-04DBP 200558919ND
2019-12-05DBP 200559073ND
2019-12-05DBP 200559098ND
2019-12-06DBP 200559195ND
2020-03-02DBP 200567713ND
2020-03-02DBP 200567714ND
2020-03-02DBP 200567715ND
2020-03-02DBP 200567718ND
2020-03-03DBP 200567780ND
2020-03-03DBP 200567787ND
2020-03-03DBP 200567920ND
2020-03-03DBP 200567921ND
2020-03-04DBP 200568177ND
2020-03-04DBP 200568178ND
2020-03-05DBP 200568285ND
2020-03-05DBP 200568384ND
2020-03-12DBP 200569164ND
2020-06-01DBP 200577264ND
2020-06-01DBP 200577265ND
2020-06-01DBP 200577266ND
2020-06-02DBP 200577318ND
2020-06-02DBP 200577327ND
2020-06-02DBP 200577399ND
2020-06-02DBP 2005774010.500 ppb
2020-06-03DBP 2005777190.500 ppb
2020-06-03DBP 200577721ND
2020-06-04DBP 200577954ND
2020-06-04DBP 200577955ND
2020-06-05DBP 200578077ND
2020-09-08DBP 200589109ND
2020-09-08DBP 200589118ND
2020-09-08DBP 200589252ND
2020-09-08DBP 200589253ND
2020-09-08DBP 200589254ND
2020-09-09DBP 200589560ND
2020-09-09DBP 200589561ND
2020-09-10DBP 200589797ND
2020-09-10DBP 200589799ND
2020-09-10DBP 200589803ND
2020-09-10DBP 200589806ND
2020-09-11DBP 200589868ND
2020-12-07DBP 200600136ND
2020-12-07DBP 200600137ND
2020-12-08DBP 200600326ND
2020-12-08DBP 200600407ND
2020-12-08DBP 200600408ND
2020-12-09DBP 200600562ND
2020-12-09DBP 200600607ND
2020-12-09DBP 200600653ND
2020-12-09DBP 200600656ND
2020-12-10DBP 200600882ND
2020-12-10DBP 200600884ND
2020-12-10DBP 200600884BND
2020-12-11DBP 200600954ND
2021-03-08DBP 200608809ND
2021-03-08DBP 200608835ND
2021-03-08DBP 200608836ND
2021-03-08DBP 200608837ND
2021-03-09DBP 200608914ND
2021-03-09DBP 200609089ND
2021-03-09DBP 200609090ND
2021-03-09DBP 200609093ND
2021-03-10DBP 200609251ND
2021-03-10DBP 200609252ND
2021-03-11DBP 200609420ND
2021-03-11DBP 200609512ND
2021-03-12DBP 200609584ND
2021-06-07DBP 200619680ND
2021-06-07DBP 200619678ND
2021-06-07DBP 200619679ND
2021-06-08DBP 200619800ND
2021-06-08DBP 200619802ND
2021-06-08DBP 200619920ND
2021-06-08DBP 200619921ND
2021-06-08DBP 200619922ND
2021-06-09DBP 200620173ND
2021-06-10DBP 200620493ND
2021-06-10DBP 200620495ND
2021-06-11DBP 200620583ND
2021-09-13300057530 300057531ND
2021-09-13300057533 300057534ND
2021-09-13300057536 300057537ND
2021-09-14300058253 300058256ND
2021-09-14300058258 300058261ND
2021-09-14300059322 300059325ND
2021-09-14300059327 300059328ND
2021-09-14300059398 300059399ND
2021-09-15300060630 300060631ND
2021-09-16300061467 300061468ND
2021-09-16300061470 300061471ND
2021-09-17300062097 300062098ND
2021-12-13D300117139 300117140ND
2021-12-13D300117142 300117143ND
2021-12-13D300117145 300117146ND
2021-12-13D300117148 300117149ND
2021-12-13D300118224 300118227ND
2021-12-13D300118229 300118230ND
2021-12-14D300117272 300117275ND
2021-12-14D300117277 300117280ND
2021-12-15D300119211 300119212ND
2021-12-16D300120051 300120052ND
2021-12-16D300120054 300120055ND
2021-12-17D300120678 300120679ND
2022-03-07D300153474 300153475ND
2022-03-07D300153477 300153478ND
2022-03-07D300153480 300153481ND
2022-03-08D300153988 300153991ND
2022-03-08D300153993 300153996ND
2022-03-08D300154252 300154255ND
2022-03-08D300154257 300154258ND
2022-03-08D300154260 300154261ND
2022-03-09D300155008 300155009ND
2022-03-10D300155239 300155242ND
2022-03-10D300155826 300155828ND
2022-03-10D300155831 300155833ND
2022-03-11D300156650 300156651ND
2022-06-06D300193482 3001934850.620 ppb
2022-06-06D300193487 300193489ND
2022-06-06D300193491 300193493ND
2022-06-06D300193495 3001934970.530 ppb
2022-06-07D300194485 3001944870.620 ppb
2022-06-07D300194421 3001944240.710 ppb
2022-06-07D300194474 3001944770.530 ppb
2022-06-08D300194960 3001949621.22 ppb
2022-06-08D300196206 3001962081.39 ppb
2022-06-08D300196210 3001962120.560 ppb
2022-06-08D300196214 3001962161.26 ppb
2022-06-10D300196552 3001965540.650 ppb
2022-09-12D300242309 300242311ND
2022-09-12D300242313 300242315ND
2022-09-13D300242867 300242870ND
2022-09-13D300242872 300242875ND
2022-09-13D300243354 300243357ND
2022-09-13D300243359 300243361ND
2022-09-14D300243943 300243945ND
2022-09-14D300243947 300243949ND
2022-09-14D300243951 300243953ND
2022-09-15D300244400 3002444021.07 ppb
2022-09-15D300244404 3002444061.12 ppb
2022-09-15D300245400 3002454021.21 ppb
2022-12-05D300280513 3002805150.930 ppb
2022-12-05D300280517 3002805191.19 ppb
2022-12-05D300280521 300280523ND
2022-12-06D300281387 300281390ND
2022-12-06D300281392 3002813940.950 ppb
2022-12-06D300281396 3002813981.19 ppb
2022-12-07D300282133 3002821361.16 ppb
2022-12-07D300282138 3002821411.03 ppb
2022-12-07D300282730 3002827320.930 ppb
2022-12-08D300283547 3002835491.02 ppb
2022-12-08D300283566 3002835680.930 ppb
2022-12-09D300284348 300284350ND
2023-03-06D300316509 3003165111.63 ppb
2023-03-06D300316513 3003165151.65 ppb
2023-03-06D300316517 3003165191.43 ppb
2023-03-07D300317097 3003171001.59 ppb
2023-03-07D300317102 3003171051.57 ppb
2023-03-07D300317505 3003175081.83 ppb
2023-03-07D300317510 3003175121.53 ppb
2023-03-07D300317514 3003175161.52 ppb
2023-03-08D300318389 3003183911.38 ppb
2023-03-08D300318393 3003183951.35 ppb
2023-03-09D300319243 3003192451.39 ppb
2023-03-10D300319398 3003194001.64 ppb
2023-06-05D300358943 3003589451.57 ppb
2023-06-05D300358947 3003589491.54 ppb
2023-06-05D300358951 3003589531.61 ppb
2023-06-05D300358955 3003589571.53 ppb
2023-06-06D300358988 300358991ND
2023-06-06D300358993 300358996ND
2023-06-06D300359847 300359850ND
2023-06-06D300359852 300359854ND
2023-06-07D300360865 3003608670.840 ppb
2023-06-08D300361983 3003619851.84 ppb
2023-06-08D300361987 300361989ND
2023-06-09D300362721 300362723ND
2023-09-11D300412854 300412856ND
2023-09-11D300412858 3004128601.49 ppb
2023-09-12D300413093 300413096ND
2023-09-12D300413098 300413101ND
2023-09-12D300413568 300413571ND
2023-09-12D300413573 300413575ND
2023-09-12D300413577 300413579ND
2023-09-12D300413581 3004135831.35 ppb
2023-09-13D300414470 3004144721.35 ppb
2023-09-13D300414474 3004144761.50 ppb
2023-09-14D300415299 300415301ND
2023-09-15D300416083 300416085ND
2023-12-04D300454311 3004543131.37 ppb
2023-12-04D300454315 3004543171.63 ppb
2023-12-04D300454322 300454324ND
2023-12-05D300454448 3004544511.56 ppb
2023-12-05D300454453 3004544561.49 ppb
2023-12-05D300454954 300454957ND
2023-12-05D300454962 3004549641.35 ppb
2023-12-05D300454972 3004549741.34 ppb
2023-12-06D300455828 3004558301.51 ppb
2023-12-06D300455832 3004558341.39 ppb
2023-12-07D300456845 3004568471.31 ppb
2023-12-08D300457513 3004575151.45 ppb