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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

South Orange Water Department

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
2014ND160ND
2015ND160ND
2016ND160ND
2017ND160ND
2018ND160ND
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
2014-02-2714030484-001ND
2014-02-2714030484-002ND
2014-02-2714030484-003ND
2014-02-2714030484-004ND
2014-05-3014060278-002ND
2014-05-3014060278-003ND
2014-05-3014060278-001ND
2014-05-3014060278-004ND
2014-08-291435361-03ND
2014-08-291435361-02ND
2014-08-291435361-04ND
2014-08-291435361-01ND
2014-11-261447038-02ND
2014-11-261447038-03ND
2014-11-261447038-04ND
2014-11-261447038-01ND
2015-02-261507510-04ND
2015-02-261507510-02ND
2015-02-261507510-01ND
2015-02-261507510-03ND
2015-05-271505L43-004ND
2015-05-271505L43-001ND
2015-05-271505L43-002ND
2015-05-271505L43-003ND
2015-08-271508M82-004ND
2015-08-271508M82-001ND
2015-08-271508M82-002ND
2015-08-271508M82-003ND
2015-11-305110805-01ND
2015-11-305110805-04ND
2015-11-305110805-02ND
2015-11-305110805-03ND
2016-02-296020736-04ND
2016-02-296020736-01ND
2016-02-296020736-03ND
2016-02-296020736-02ND
2016-05-316050903-01ND
2016-05-316050903-03ND
2016-05-316050903-04ND
2016-05-316050903-02ND
2016-08-306080941-01ND
2016-08-306080941-03ND
2016-08-306080941-04ND
2016-08-306080941-02ND
2016-11-176110558-02ND
2016-11-176110558-01ND
2016-11-176110558-04ND
2016-11-176110558-03ND
2017-02-2834707201ND
2017-02-2834707101ND
2017-02-2834707801ND
2017-02-2834707301ND
2017-05-3035529401ND
2017-05-3035528701ND
2017-05-3035528601ND
2017-05-3035528801ND
2017-08-2936797801ND
2017-08-2936797701ND
2017-08-2936797901ND
2017-08-2936798401ND
2017-11-1737637401ND
2017-11-1737637901ND
2017-11-1737637301ND
2017-11-1737637201ND
2018-02-2338660101ND
2018-02-2338659401ND
2018-02-2338659601ND
2018-02-2338659501ND
2018-05-2539446901ND
2018-05-2539446601ND
2018-05-2539446701ND
2018-05-2539446801ND
2018-08-2740834901ND
2018-08-2740835101ND
2018-08-2740835201ND
2018-08-2740834801ND
2018-11-2041843201ND
2018-11-2041843601ND
2018-11-2041843701ND
2018-11-2041843301ND
2019-02-2142932001ND
2019-02-2142932301ND
2019-02-2142932101ND
2019-02-2142932201ND
2019-05-2243990201ND
2019-05-2243990101ND
2019-05-2243989901ND
2019-05-2243990001ND
2019-08-2746052401ND
2019-08-2746052101ND
2019-08-2746052201ND
2019-08-2746052301ND
2019-11-2547106901ND
2019-11-2547107001ND
2019-11-2547107601ND
2019-11-2547107101ND