Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochloroacetic acid

Benbrook Water Authority

Monochloroacetic 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
2013N/A00N/A
20140.575 ppb163ND - 4.80 ppb
20151.34 ppb163ND - 8.50 ppb
2016ND160ND
2017ND160ND
20181.09 ppb1611ND - 2.30 ppb
20190.975 ppb1610ND - 3.00 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic 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 system toxicity.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-14Q1408424004ND
2014-03-14Q1408424003ND
2014-03-14Q14084240022.00 ppb
2014-03-14Q1408424001ND
2014-06-23Q1423425004ND
2014-06-23Q1423425003ND
2014-06-23Q1423425002ND
2014-06-23Q1423425001ND
2014-08-14Q1436874010ND
2014-08-14Q1436874009ND
2014-08-14Q1436874011ND
2014-08-14Q1436874012ND
2014-10-28Q1454311004ND
2014-10-28Q14543110032.40 ppb
2014-10-28Q1454311002ND
2014-10-28Q14543110014.80 ppb
2015-02-04Q1504394032ND
2015-02-04Q1504394031ND
2015-02-04Q1504394030ND
2015-02-04Q1504394029ND
2015-04-30Q1515940013ND
2015-04-30Q1515940014ND
2015-04-30Q1515940016ND
2015-04-30Q1515940015ND
2015-09-08Q1534617006ND
2015-09-08Q1534617005ND
2015-09-08Q1534617004ND
2015-09-08Q1534617003ND
2015-11-02Q1542898004ND
2015-11-02Q15428980038.50 ppb
2015-11-02Q15428980026.00 ppb
2015-11-02Q15428980016.90 ppb
2016-01-21Q1602764023ND
2016-01-21Q1602764022ND
2016-01-21Q1602764024ND
2016-01-21Q1602764025ND
2016-05-04Q1617499023ND
2016-05-04Q1617499022ND
2016-05-04Q1617499021ND
2016-05-04Q1617499020ND
2016-09-28Q1640982002ND
2016-09-28Q1640982001ND
2016-09-28Q1640982006ND
2016-09-28Q1640982005ND
2016-12-12Q1653872003ND
2016-12-12Q1653872002ND
2016-12-12Q1653872004ND
2016-12-12Q1653872001ND
2017-01-31Q1704261017ND
2017-01-31Q1704261007ND
2017-01-31Q1704261016ND
2017-01-31Q1704261015ND
2017-05-23Q1721070005ND
2017-05-23Q1721070004ND
2017-05-23Q1721070003ND
2017-05-23Q1721070002ND
2017-08-01Q1731488008ND
2017-08-01Q1731488005ND
2017-08-01Q1731488023ND
2017-08-01Q1731488028ND
2017-11-08Q1757459005ND
2017-11-08Q1757459029ND
2017-11-08Q1757459004ND
2017-11-08Q1757459028ND
2018-02-01Q18040240261.000 ppb
2018-02-01Q1804024012ND
2018-02-01Q1804024025ND
2018-02-01Q1804024011ND
2018-04-12Q18153340121.80 ppb
2018-04-12Q18153340031.90 ppb
2018-04-12Q18153340041.000 ppb
2018-04-12Q18153340151.80 ppb
2018-07-19Q1828770010ND
2018-07-19Q18287700011.50 ppb
2018-07-19Q18287700091.30 ppb
2018-07-19Q18287700081.60 ppb
2018-10-31Q1843685003ND
2018-10-31Q18436850021.10 ppb
2018-10-31Q18436850012.30 ppb
2018-10-31Q18436850042.20 ppb
2019-01-29Q1904088019ND
2019-01-29Q19040880311.40 ppb
2019-01-29Q19040880323.00 ppb
2019-01-29Q1904088020ND
2019-05-20Q1926717014ND
2019-05-20Q19267170131.10 ppb
2019-05-20Q19267170121.60 ppb
2019-05-20Q19267170111.80 ppb
2019-09-05Q1962592009ND
2019-09-05Q1962592008ND
2019-09-05Q19625920071.40 ppb
2019-09-05Q19625920061.50 ppb
2019-12-05Q19791610031.20 ppb
2019-12-05Q19791610021.40 ppb
2019-12-05Q1979161001ND
2019-12-05Q19791610041.20 ppb