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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Newark City PWS

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

 

93

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.75 ppb175ND - 9.72 ppb
20150.344 ppb162ND - 3.20 ppb
2016ND160ND
2017ND160ND
2018ND160ND
2019ND120ND

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
2014-02-0314B0073-043.69 ppb
2014-02-0314B0073-03ND
2014-02-0314B0073-02ND
2014-02-0314B0073-01ND
2014-05-0514E0180-04ND
2014-05-0514E0180-039.72 ppb
2014-05-0514E0180-027.35 ppb
2014-05-0514E0180-016.69 ppb
2014-08-04A140170006ND
2014-08-04A140170005ND
2014-08-0414H0089-012.38 ppb
2014-08-04A140170007ND
2014-08-04A140170008ND
2014-11-04A140217466ND
2014-11-04A140217467ND
2014-11-04A140217468ND
2014-11-04A140217469ND
2015-02-03A150231731ND
2015-02-03A150231728ND
2015-02-03A150231729ND
2015-02-03A150231730ND
2015-05-05A150285228ND
2015-05-05A150285231ND
2015-05-05A150285230ND
2015-05-05A150285229ND
2015-08-04A150304306ND
2015-08-04A150285234ND
2015-08-04A150232176ND
2015-08-04A150232174ND
2015-11-03A1503315932.30 ppb
2015-11-03A150331590ND
2015-11-03A150331589ND
2015-11-03A1503315913.20 ppb
2016-02-01A160338241ND
2016-02-01A160338237ND
2016-02-01A160338235ND
2016-02-01A160338236ND
2016-05-02A160331962ND
2016-05-02A160338234ND
2016-05-02A160374658ND
2016-05-02A160374659ND
2016-08-01A160217470ND
2016-08-01A160328646ND
2016-08-01A160331598ND
2016-08-01A160332069ND
2016-11-01A160418399ND
2016-11-01A160332068ND
2016-11-01A160332067ND
2016-11-01A160418398ND
2017-02-01A170285542ND
2017-02-01A170311209ND
2017-02-01A170311210ND
2017-02-01A170311211ND
2017-05-02A170487575ND
2017-05-02A170487577ND
2017-05-02A170487576ND
2017-05-02A170487574ND
2017-08-01A170512449ND
2017-08-01A170512450ND
2017-08-01A170512451ND
2017-08-01A170512454ND
2017-11-01A170477025ND
2017-11-01A170311207ND
2017-11-01A170311206ND
2017-11-01A170285545ND
2018-02-06A180512452ND
2018-02-06A180539925ND
2018-02-06A180539924ND
2018-02-06A180504661ND
2018-05-01A180593303ND
2018-05-01A180593304ND
2018-05-01A180593305ND
2018-05-01A180593306ND
2018-08-02A180626405ND
2018-08-02A180626406ND
2018-08-02A180626407ND
2018-08-02A180626408ND
2018-11-018K00832-03ND
2018-11-018K00832-02ND
2018-11-018K00832-01ND
2018-11-018K00832-04ND
2019-02-059B00599-01ND
2019-02-059B00599-04ND
2019-02-059B00599-03ND
2019-02-059B00599-02ND
2019-05-019E00164-01ND
2019-05-019E00164-02ND
2019-05-019E00164-03ND
2019-05-019E00164-04ND
2019-08-069H00996-01ND
2019-08-069H00996-02ND
2019-08-069H00996-03ND
2019-08-069H00996-04ND