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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Aqua NJ - Hamilton Square

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

 

97

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
20140.856 ppb165ND - 3.30 ppb
2015ND160ND
2016ND160ND
2017ND160ND
20180.412 ppb172ND - 3.60 ppb
2019ND160ND

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
2014-01-06AE20082ND
2014-01-06AE20083ND
2014-01-06AE20084ND
2014-01-06AE20085ND
2014-04-07AE29176ND
2014-04-07AE29175ND
2014-04-07AE291772.20 ppb
2014-04-08AE29174ND
2014-07-07AE396533.00 ppb
2014-07-07AE396512.80 ppb
2014-07-07AE396523.30 ppb
2014-07-07AE396542.40 ppb
2014-10-06AE51879ND
2014-10-06AE51878ND
2014-10-07AE51880ND
2014-10-07AE51881ND
2015-01-05AE61699ND
2015-01-05AE61698ND
2015-01-06AE61700ND
2015-01-06AE61701ND
2015-04-06AE71501ND
2015-04-06AE71500ND
2015-04-07AE71502ND
2015-04-07AE71503ND
2015-07-06AE82585ND
2015-07-06AE82584ND
2015-07-07AE82583ND
2015-07-07AE82586ND
2015-10-05AE94682ND
2015-10-05AE94681ND
2015-10-06AE94684ND
2015-10-06AE94683ND
2016-01-04AF04212ND
2016-01-04AF04211ND
2016-01-05AF04213ND
2016-01-06AF04391ND
2016-04-06AF12326ND
2016-04-06AF12327ND
2016-04-06AF12328ND
2016-04-06AF12325ND
2016-07-05AF21094ND
2016-07-05AF21093ND
2016-07-06AF21095ND
2016-07-06AF21092ND
2016-10-05AF32031ND
2016-10-05AF32032ND
2016-10-05AF32033ND
2016-10-05AF32030ND
2017-01-03AF39870ND
2017-01-03AF39869ND
2017-01-04AF39871ND
2017-01-04AF39872ND
2017-04-05AF47530ND
2017-04-05AF47533ND
2017-04-05AF47531ND
2017-04-05AF47532ND
2017-07-24AF58345ND
2017-07-24AF58346ND
2017-07-25AF58347ND
2017-07-25AF58348ND
2017-10-04AF65757ND
2017-10-04AF65760ND
2017-10-04AF65758ND
2017-10-04AF65759ND
2018-01-04AF732183.40 ppb
2018-01-04AF73220ND
2018-01-04AF732193.60 ppb
2018-01-04AF73217ND
2018-04-04AF80680ND
2018-04-04AF80682ND
2018-04-04AF80681ND
2018-04-18AF81928ND
2018-04-23AF82269ND
2018-07-053987984ND
2018-07-053987983ND
2018-07-053987982ND
2018-07-053987981ND
2018-10-02AF97558ND
2018-10-02AF97559ND
2018-10-02AF97557ND
2018-10-02AF97560ND
2019-01-04AG05786ND
2019-01-04AG05785ND
2019-01-04AG05787ND
2019-01-04AG05788ND
2019-04-08AG13881ND
2019-04-08AG13880ND
2019-04-09AG13882ND
2019-04-09AG13883ND
2019-07-01AG23043ND
2019-07-01AG23042ND
2019-07-02AG23044ND
2019-07-02AG23041ND
2019-10-09AG35465ND
2019-10-09AG35466ND
2019-10-09AG35467ND
2019-10-09AG35468ND