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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Lincoln Avenue 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

 

93

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
2014ND160ND
2015ND160ND
2016ND160ND
20170.871 ppb175ND - 3.40 ppb
2018ND120ND
20190.319 ppb162ND - 2.60 ppb

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
2014-01-073761-802-1135ND
2014-01-073761-800-1010ND
2014-01-073761-801-0935ND
2014-01-073761-803-1205ND
2014-05-223761-803-0815ND
2014-05-223761-802-0930ND
2014-05-223761-801-0905ND
2014-05-223761-800-0845ND
2014-07-013761-803-1240ND
2014-07-013761-802-1210ND
2014-07-013761-801-0950ND
2014-07-013761-800-1050ND
2014-10-073761-802-1118ND
2014-10-073761-801-1055ND
2014-10-073761-803-1230ND
2014-10-073761-800-1110ND
2015-01-063761-803-1230ND
2015-01-063761-802-1155ND
2015-01-063761-801-0955ND
2015-01-063761-800-1015ND
2015-04-073761-803-1305ND
2015-04-073761-802-1240ND
2015-04-073761-800-1115ND
2015-04-073761-801-1045ND
2015-07-073761-800-1110ND
2015-07-073761-803-1230ND
2015-07-073761-802-0940ND
2015-07-073761-801-1135ND
2015-10-073761-801-0935ND
2015-10-073761-800-0955ND
2015-10-073761-803-1150ND
2015-10-073761-802-1115ND
2016-01-053761-801-1025ND
2016-01-053761-800-1105ND
2016-01-053761-803-1315ND
2016-01-053761-802-1235ND
2016-04-053761-801-0940ND
2016-04-053761-800-1010ND
2016-04-053761-803-1100ND
2016-04-053761-802-1040ND
2016-07-053761-803-1300ND
2016-07-053761-801-1045ND
2016-07-053761-800-1110ND
2016-07-053761-802-1215ND
2016-10-043761-802-1135ND
2016-10-043761-803-1200ND
2016-10-043761-801-1000ND
2016-10-043761-800-1015ND
2017-01-033761-802-1125ND
2017-01-033761-803-1200ND
2017-01-033761-800-1005ND
2017-01-033761-801-0950ND
2017-02-243761-800-1030ND
2017-04-043761-803-12552.60 ppb
2017-04-043761-802-12102.70 ppb
2017-04-043761-800-1045ND
2017-04-043761-801-1020ND
2017-07-033761-800-10343.00 ppb
2017-07-033761-803-1230ND
2017-07-033761-801-10143.10 ppb
2017-07-033761-802-12023.40 ppb
2017-10-033761-800-1050ND
2017-10-033761-803-1240ND
2017-10-033761-802-1210ND
2017-10-033761-801-1035ND
2018-05-153761-803-1210ND
2018-05-153761-800-1025ND
2018-05-153761-801-1010ND
2018-05-153761-802-1140ND
2018-08-213761-801-1002ND
2018-08-213761-802-1203ND
2018-08-213761-800-1023ND
2018-08-213761-803-1230ND
2018-11-203761-803-0935ND
2018-11-203761-800-0915ND
2018-11-203761-801-0855ND
2018-11-203761-802-0820ND
2019-02-053761-803-1305ND
2019-02-053761-800-11002.50 ppb
2019-02-053761-801-10402.60 ppb
2019-02-053761-802-1230ND
2019-04-043761-803-1105ND
2019-04-043761-801-1015ND
2019-04-043761-800-1000ND
2019-04-043761-802-1040ND
2019-07-303761-801-0845ND
2019-07-303761-800-0920ND
2019-07-303761-802-1000ND
2019-07-303761-803-1040ND
2019-10-013761-802-0945ND
2019-10-013761-800-1100ND
2019-10-013761-803-1200ND
2019-10-013761-801-1115ND