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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

United Water NJ

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

 

288

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.727 ppb482ND - 21.1 ppb
20151.67 ppb4818ND - 6.90 ppb
20160.267 ppb485ND - 2.70 ppb
2017ND480ND
2018ND480ND
2019ND480ND

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
2014-01-094010244-11ND
2014-01-094010244-10ND
2014-01-094010244-1213.8 ppb
2014-01-094010244-09ND
2014-01-094010244-08ND
2014-01-094010244-01ND
2014-01-094010244-07ND
2014-01-094010244-06ND
2014-01-094010244-05ND
2014-01-094010244-04ND
2014-01-094010244-03ND
2014-01-094010244-02ND
2014-04-084040314-11ND
2014-04-084040314-10ND
2014-04-084040314-12ND
2014-04-084040314-09ND
2014-04-084040314-08ND
2014-04-084040314-01ND
2014-04-084040314-07ND
2014-04-084040314-06ND
2014-04-084040314-05ND
2014-04-084040314-04ND
2014-04-084040314-03ND
2014-04-084040314-02ND
2014-07-094070376-11ND
2014-07-094070376-10ND
2014-07-094070376-12ND
2014-07-094070376-09ND
2014-07-094070376-0821.1 ppb
2014-07-094070376-01ND
2014-07-094070376-07ND
2014-07-094070376-06ND
2014-07-094070376-05ND
2014-07-094070376-04ND
2014-07-094070376-03ND
2014-07-094070376-02ND
2014-10-074100276-11ND
2014-10-074100276-10ND
2014-10-074100276-12ND
2014-10-074100276-09ND
2014-10-074100276-08ND
2014-10-074100276-01ND
2014-10-074100276-07ND
2014-10-074100276-06ND
2014-10-074100276-05ND
2014-10-074100276-04ND
2014-10-074100276-03ND
2014-10-074100276-02ND
2015-01-062048633011ND
2015-01-062048633010ND
2015-01-062048633012ND
2015-01-062048633009ND
2015-01-062048633008ND
2015-01-062048633001ND
2015-01-062048633007ND
2015-01-062048633006ND
2015-01-062048633005ND
2015-01-062048633004ND
2015-01-062048633003ND
2015-01-062048633002ND
2015-04-082064559011ND
2015-04-082064559010ND
2015-04-082064559012ND
2015-04-082064559009ND
2015-04-082064559008ND
2015-04-082064559001ND
2015-04-082064559007ND
2015-04-082064559006ND
2015-04-082064559005ND
2015-04-082064559004ND
2015-04-082064559003ND
2015-04-082064559002ND
2015-07-1420832330115.40 ppb
2015-07-1420832330105.20 ppb
2015-07-1420832330124.50 ppb
2015-07-1420832330092.80 ppb
2015-07-1420832330083.80 ppb
2015-07-1420832330016.90 ppb
2015-07-1420832330073.80 ppb
2015-07-1420832330063.90 ppb
2015-07-1420832330052.50 ppb
2015-07-1420832330042.50 ppb
2015-07-1420832330035.70 ppb
2015-07-142083233002ND
2015-10-082100958011ND
2015-10-082100958010ND
2015-10-082100958012ND
2015-10-0821009580094.40 ppb
2015-10-082100958008ND
2015-10-0821009580016.10 ppb
2015-10-0821009580072.80 ppb
2015-10-0821009580065.50 ppb
2015-10-0821009580055.70 ppb
2015-10-082100958004ND
2015-10-0821009580035.70 ppb
2015-10-0821009580023.10 ppb
2016-01-116010327-11ND
2016-01-116010327-10ND
2016-01-116010327-12ND
2016-01-116010327-09ND
2016-01-116010327-08ND
2016-01-116010327-01ND
2016-01-116010327-07ND
2016-01-116010327-06ND
2016-01-116010327-05ND
2016-01-116010327-04ND
2016-01-116010327-03ND
2016-01-116010327-02ND
2016-04-192137978011ND
2016-04-192137978010ND
2016-04-192137978012ND
2016-04-1921379780092.40 ppb
2016-04-192137978008ND
2016-04-192137978001ND
2016-04-192137978007ND
2016-04-192137978006ND
2016-04-192137978005ND
2016-04-192137978004ND
2016-04-1921379780032.50 ppb
2016-04-192137978002ND
2016-07-122158676011ND
2016-07-122158676010ND
2016-07-122158676012ND
2016-07-122158676009ND
2016-07-122158676008ND
2016-07-122158676001ND
2016-07-122158676007ND
2016-07-122158676006ND
2016-07-122158676005ND
2016-07-122158676004ND
2016-07-1221586760032.50 ppb
2016-07-122158676002ND
2016-10-182183454011ND
2016-10-182183454010ND
2016-10-182183454012ND
2016-10-182183454009ND
2016-10-182183454008ND
2016-10-182183454001ND
2016-10-1821834540072.70 ppb
2016-10-1821834540062.70 ppb
2016-10-182183454005ND
2016-10-182183454004ND
2016-10-182183454003ND
2016-10-182183454002ND
2017-01-107010244-11ND
2017-01-107010244-10ND
2017-01-107010244-12ND
2017-01-107010244-09ND
2017-01-107010244-08ND
2017-01-107010244-01ND
2017-01-107010244-07ND
2017-01-107010244-06ND
2017-01-107010244-05ND
2017-01-107010244-04ND
2017-01-107010244-03ND
2017-01-107010244-02ND
2017-04-117040344-11ND
2017-04-117040344-10ND
2017-04-117040344-12ND
2017-04-117040344-09ND
2017-04-117040344-08ND
2017-04-117040344-01ND
2017-04-117040344-07ND
2017-04-117040344-06ND
2017-04-117040344-05ND
2017-04-117040344-04ND
2017-04-117040344-03ND
2017-04-117040344-02ND
2017-07-117070293-11ND
2017-07-117070293-10ND
2017-07-117070293-12ND
2017-07-117070293-09ND
2017-07-117070293-08ND
2017-07-117070293-01ND
2017-07-117070293-07ND
2017-07-117070293-06ND
2017-07-117070293-05ND
2017-07-117070293-04ND
2017-07-117070293-03ND
2017-07-117070293-02ND
2017-10-037100141-11ND
2017-10-037100141-10ND
2017-10-037100141-12ND
2017-10-037100141-09ND
2017-10-037100141-08ND
2017-10-037100141-01ND
2017-10-037100141-07ND
2017-10-037100141-06ND
2017-10-037100141-05ND
2017-10-037100141-04ND
2017-10-037100141-03ND
2017-10-037100141-02ND
2018-01-038010113-11ND
2018-01-038010113-10ND
2018-01-038010113-12ND
2018-01-038010113-09ND
2018-01-038010113-08ND
2018-01-038010113-01ND
2018-01-038010113-07ND
2018-01-038010113-06ND
2018-01-038010113-05ND
2018-01-038010113-04ND
2018-01-038010113-03ND
2018-01-038010113-02ND
2018-04-038040084-11ND
2018-04-038040084-10ND
2018-04-038040084-12ND
2018-04-038040084-09ND
2018-04-038040084-08ND
2018-04-038040084-01ND
2018-04-038040084-07ND
2018-04-038040084-06ND
2018-04-038040084-05ND
2018-04-038040084-04ND
2018-04-038040084-03ND
2018-04-038040084-02ND
2018-07-028070224-11ND
2018-07-028070224-10ND
2018-07-028070224-12ND
2018-07-028070224-09ND
2018-07-028070224-08ND
2018-07-028070224-01ND
2018-07-028070224-07ND
2018-07-028070224-06ND
2018-07-028070224-05ND
2018-07-028070224-04ND
2018-07-028070224-03ND
2018-07-028070224-02ND
2018-10-028100181-11ND
2018-10-028100181-10ND
2018-10-028100181-12ND
2018-10-028100181-09ND
2018-10-028100181-08ND
2018-10-028100181-01ND
2018-10-028100181-07ND
2018-10-028100181-06ND
2018-10-028100181-05ND
2018-10-028100181-04ND
2018-10-028100181-03ND
2018-10-028100181-02ND
2019-01-039010155-11ND
2019-01-039010155-10ND
2019-01-039010155-12ND
2019-01-039010155-09ND
2019-01-039010155-08ND
2019-01-039010155-01ND
2019-01-039010155-07ND
2019-01-039010155-06ND
2019-01-039010155-05ND
2019-01-039010155-04ND
2019-01-039010155-03ND
2019-01-039010155-02ND
2019-04-039040342-11ND
2019-04-039040342-10ND
2019-04-039040342-12ND
2019-04-039040342-09ND
2019-04-039040342-08ND
2019-04-039040342-01ND
2019-04-039040342-07ND
2019-04-039040342-06ND
2019-04-039040342-05ND
2019-04-039040342-04ND
2019-04-039040342-03ND
2019-04-039040342-02ND
2019-07-029070221-11ND
2019-07-029070221-10ND
2019-07-029070221-12ND
2019-07-029070221-09ND
2019-07-029070221-08ND
2019-07-029070221-01ND
2019-07-029070221-07ND
2019-07-029070221-06ND
2019-07-029070221-05ND
2019-07-029070221-04ND
2019-07-029070221-03ND
2019-07-029070221-02ND
2019-10-029100245-11ND
2019-10-029100245-10ND
2019-10-029100245-12ND
2019-10-029100245-09ND
2019-10-029100245-08ND
2019-10-029100245-01ND
2019-10-029100245-07ND
2019-10-029100245-06ND
2019-10-029100245-05ND
2019-10-029100245-04ND
2019-10-029100245-03ND
2019-10-029100245-02ND