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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Tract 180 Mutual Water Company

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

 

100

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND200ND
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
2014-02-053761-800-0000ND
2014-02-123761-801-1051ND
2014-02-123761-802-1029ND
2014-02-123761-803-1042ND
2014-02-213761-800-0935ND
2014-02-213761-801-1000ND
2014-02-213761-802-0927ND
2014-02-213761-803-0948ND
2014-05-073761-802-0910ND
2014-05-073761-803-1006ND
2014-05-073761-801-1052ND
2014-05-073761-800-0938ND
2014-08-063761-802-1009ND
2014-08-063761-801-0843ND
2014-08-063761-803-0900ND
2014-08-063761-800-0843ND
2014-11-053761-802-0924ND
2014-11-053761-801-1053ND
2014-11-053761-803-1011ND
2014-11-053761-800-0950ND
2015-02-043761-803-1018ND
2015-02-043761-802-0952ND
2015-02-043761-801-0900ND
2015-02-043761-800-1003ND
2015-05-063761-803-0918ND
2015-05-063761-802-0859ND
2015-05-063761-800-0850ND
2015-05-063761-801-0938ND
2015-08-053761-800-1005ND
2015-08-053761-801-0910ND
2015-08-053761-803-0920ND
2015-08-053761-802-0956ND
2015-11-253761-803-0948ND
2015-11-253761-800-1025ND
2015-11-253761-801-0919ND
2015-11-253761-802-1014ND
2016-02-233761-801-1052ND
2016-02-233761-800-1209ND
2016-02-233761-803-1128ND
2016-02-233761-802-1150ND
2016-05-103761-802-1010ND
2016-05-103761-803-1102ND
2016-05-103761-801-1113ND
2016-05-103761-800-1000ND
2016-08-233761-800-1019ND
2016-08-233761-802-1000ND
2016-08-233761-803-0942ND
2016-08-233761-801-0925ND
2016-11-153761-800-0900ND
2016-11-153761-802-0915ND
2016-11-153761-803-0940ND
2016-11-153761-801-0957ND
2017-02-083761-803-0903ND
2017-02-083761-800-0825ND
2017-02-083761-801-0915ND
2017-02-083761-802-0837ND
2017-05-023761-801-0956ND
2017-05-023761-800-0931ND
2017-05-023761-802-0944ND
2017-05-023761-803-1008ND
2017-08-153761-800-0840ND
2017-08-153761-801-0930ND
2017-08-153761-803-0955ND
2017-08-153761-802-0942ND
2017-11-073761-800-0930ND
2017-11-073761-801-1028ND
2017-11-073761-803-1017ND
2017-11-073761-802-0945ND
2018-02-073761-802-0822ND
2018-02-073761-803-0850ND
2018-02-073761-801-0949ND
2018-02-073761-800-0800ND
2018-05-083761-800-0814ND
2018-05-083761-803-0904ND
2018-05-083761-802-0826ND
2018-05-083761-801-0914ND
2018-08-073761-803-0930ND
2018-08-073761-801-0945ND
2018-08-073761-802-0900ND
2018-08-073761-800-0830ND
2018-11-063761-803-0931ND
2018-11-063761-801-0942ND
2018-11-063761-802-0904ND
2018-11-063761-800-0845ND
2019-02-123761-803-0911ND
2019-02-123761-801-0924ND
2019-02-123761-802-0840ND
2019-02-123761-800-0820ND
2019-05-143761-801-0830ND
2019-05-143761-800-0738ND
2019-05-143761-803-0820ND
2019-05-143761-802-0751ND
2019-08-063761-800-0828ND
2019-08-063761-803-0901ND
2019-08-063761-801-0913ND
2019-08-063761-802-0842ND
2019-11-123761-800-0810ND
2019-11-123761-803-0857ND
2019-11-123761-802-0833ND
2019-11-123761-801-0909ND