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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Portsmouth Public Water System

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

 

88

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND160ND
2016ND160ND
2017ND160ND
2018ND160ND
2019ND120ND

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
2014-04-02A140078793ND
2014-04-02A140183074ND
2014-04-03A140078792ND
2014-04-03A140078794ND
2014-07-02A140187059ND
2014-07-02A140183072ND
2014-07-02A140187060ND
2014-07-02A140183071ND
2014-10-01A140216633ND
2014-10-02A140216635ND
2014-10-02A140216634ND
2014-10-02A140216632ND
2015-01-07A150231586ND
2015-01-07A150231587ND
2015-01-07A150231588ND
2015-01-07A150231589ND
2015-04-01A150232165ND
2015-04-01A150232166ND
2015-04-01A150232167ND
2015-04-04A150232168ND
2015-07-01A150310814ND
2015-07-01A150310813ND
2015-07-01A150310812ND
2015-07-01A150310811ND
2015-10-07A150328632ND
2015-10-07A150328631ND
2015-10-07A150328630ND
2015-10-07A150328629ND
2016-01-06A160332078ND
2016-01-06A160332079ND
2016-01-06A160332080ND
2016-01-06A160332077ND
2016-04-06A160374694ND
2016-04-06A160374695ND
2016-04-06A160374696ND
2016-04-06A160374697ND
2016-07-05A160399342ND
2016-07-06A160399341ND
2016-07-06A160399343ND
2016-07-06A160399344ND
2016-10-04A160451918ND
2016-10-04A160451919ND
2016-10-04A160451920ND
2016-10-04A160451921ND
2017-01-03A170467849ND
2017-01-04A170467848ND
2017-01-04A170467851ND
2017-01-04A170467850ND
2017-04-04A170487408ND
2017-04-04A170487411ND
2017-04-04A170487409ND
2017-04-04A170487410ND
2017-07-04A170498394ND
2017-07-05A170498391ND
2017-07-05A170498392ND
2017-07-05A170498393ND
2017-10-03A170539707ND
2017-10-04A170539705ND
2017-10-04A170539706ND
2017-10-04A170539704ND
2018-01-02A180548472ND
2018-01-02A180548473ND
2018-01-02A180548474ND
2018-01-02A180548475ND
2018-04-03A180587705ND
2018-04-03A180587706ND
2018-04-03A180587707ND
2018-04-05A180593233ND
2018-07-02A180614061ND
2018-07-02A180614062ND
2018-07-02A180614063ND
2018-07-02A180593312ND
2018-10-01A180641474ND
2018-10-01A180641476ND
2018-10-01A180641477ND
2018-10-02A180641475ND
2019-04-029D00390-03ND
2019-04-029D00390-04ND
2019-04-029D00390-02ND
2019-04-029D00390-01ND
2019-07-029G00407-01ND
2019-07-029G00407-02ND
2019-07-029G00407-03ND
2019-07-029G00407-04ND
2019-10-019J00240-01ND
2019-10-019J00240-02ND
2019-10-019J00240-03ND
2019-10-019J00240-04ND