Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monobromoacetic acid

Downsville 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.

 

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
2016ND120ND
20170.220 ppb164ND - 1.000 ppb
2018ND160ND
20190.104 ppb164ND - 0.450 ppb

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
2014-03-311289484ND
2014-03-311289483ND
2014-03-311289484ND
2014-03-311289483ND
2014-05-161302301ND
2014-05-161302302ND
2014-05-161302302ND
2014-05-161302301ND
2014-08-081324621ND
2014-08-081324622ND
2014-08-081324622ND
2014-08-081324621ND
2015-02-161373209ND
2015-02-161373210ND
2015-02-161373210ND
2015-02-161373209ND
2015-03-271382543ND
2015-03-271382544ND
2015-03-271382544ND
2015-03-271382543ND
2015-07-101409669ND
2015-07-101409670ND
2015-07-101409670ND
2015-07-101409669ND
2015-10-301440052ND
2015-10-301440053ND
2015-10-301440052ND
2015-10-301440053ND
2016-03-031472025ND
2016-03-031472026ND
2016-03-031472025ND
2016-03-031472026ND
2016-06-091498401ND
2016-06-091498402ND
2016-06-091498401ND
2016-06-091498402ND
2016-09-181526481ND
2016-09-181526480ND
2016-09-181526481ND
2016-09-181526480ND
2017-03-0235298606004ND
2017-03-0235298606003ND
2017-03-0235298606003ND
2017-03-0235298606004ND
2017-06-1535318897009ND
2017-06-1535318897010ND
2017-06-1535318897010ND
2017-06-1535318897009ND
2017-09-07353350060100.760 ppb
2017-09-07353350060091.000 ppb
2017-09-07353350060100.760 ppb
2017-09-07353350060091.000 ppb
2017-12-1835364708001ND
2017-12-1835364708002ND
2017-12-1835364708002ND
2017-12-1835364708001ND
2018-03-1535380771001ND
2018-03-1535380771001ND
2018-03-2735382808001ND
2018-03-2735382808001ND
2018-06-1835399878001ND
2018-06-1835399878002ND
2018-06-1835399878001ND
2018-06-1835399878002ND
2018-09-1935419425001ND
2018-09-1935419425002ND
2018-09-1935419425001ND
2018-09-1935419425002ND
2018-12-0535435792001ND
2018-12-0535435792002ND
2018-12-0535435792001ND
2018-12-0535435792002ND
2019-03-2035456293002ND
2019-03-2035456293001ND
2019-03-2035456293001ND
2019-03-2035456293002ND
2019-06-04354739290020.450 ppb
2019-06-04354739290020.450 ppb
2019-06-04354739290010.380 ppb
2019-06-04354739290010.380 ppb
2019-09-1835499546002ND
2019-09-1835499546001ND
2019-09-1835499546001ND
2019-09-1835499546002ND
2019-12-0435516906001ND
2019-12-0435516906002ND
2019-12-0435516906001ND
2019-12-0435516906002ND