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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Cal/am Water Company - Baldwin Hills

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

 

92

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
2014ND120ND
20150.331 ppb162ND - 3.20 ppb
20161.06 ppb164ND - 6.50 ppb
2017ND160ND
2018ND160ND
20190.244 ppb161ND - 3.90 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
2014-05-121225-803-1020ND
2014-05-121225-802-1040ND
2014-05-121225-801-1220ND
2014-05-121225-800-1200ND
2014-08-131225-803-1005ND
2014-08-131225-802-0955ND
2014-08-131225-801-1040ND
2014-08-131225-800-1020ND
2014-11-101225-803-1230ND
2014-11-101225-802-1300ND
2014-11-101225-801-1200ND
2014-11-101225-800-1130ND
2015-02-091225-801-1220ND
2015-02-091225-802-1040ND
2015-02-091225-803-1020ND
2015-02-091225-800-1200ND
2015-05-131225-803-0915ND
2015-05-131225-802-0900ND
2015-05-131225-801-0950ND
2015-05-131225-800-0935ND
2015-08-101225-800-1240ND
2015-08-101225-801-1300ND
2015-08-101225-802-1340ND
2015-08-101225-803-1320ND
2015-11-101225-803-0745ND
2015-11-101225-802-0730ND
2015-11-101225-800-08152.10 ppb
2015-11-101225-801-08303.20 ppb
2016-02-101225-802-1145ND
2016-02-101225-801-1100ND
2016-02-101225-803-11304.10 ppb
2016-02-101225-800-11152.70 ppb
2016-05-101225-801-0945ND
2016-05-101225-802-0900ND
2016-05-101225-800-0930ND
2016-05-101225-803-0915ND
2016-08-101225-801-1000ND
2016-08-101225-800-1020ND
2016-08-101225-802-0940ND
2016-08-101225-803-0915ND
2016-11-071225-802-10456.50 ppb
2016-11-071225-801-10003.70 ppb
2016-11-071225-800-1015ND
2016-11-071225-803-1030ND
2017-02-071225-802-1030ND
2017-02-071225-803-1015ND
2017-02-071225-801-1115ND
2017-02-071225-800-1045ND
2017-05-081225-803-1100ND
2017-05-081225-802-1115ND
2017-05-081225-801-1045ND
2017-05-081225-800-1030ND
2017-08-081225-802-1420ND
2017-08-081225-801-1335ND
2017-08-081225-803-1405ND
2017-08-081225-800-1320ND
2017-11-061225-800-1045ND
2017-11-061225-801-1100ND
2017-11-061225-803-1115ND
2017-11-061225-802-1130ND
2018-02-131225-800-1330ND
2018-02-131225-803-1400ND
2018-02-131225-801-1320ND
2018-02-131225-802-1415ND
2018-05-081225-803-1240ND
2018-05-081225-801-1200ND
2018-05-081225-802-1255ND
2018-05-081225-800-1145ND
2018-08-151225-800-1310ND
2018-08-151225-803-1325ND
2018-08-151225-801-1300ND
2018-08-151225-802-1345ND
2018-11-131225-800-0935ND
2018-11-131225-802-0833ND
2018-11-131225-803-0902ND
2018-11-131225-801-0920ND
2019-02-111225-802-1250ND
2019-02-111225-803-1330ND
2019-02-111225-800-1410ND
2019-02-111225-801-1350ND
2019-05-131225-803-1258ND
2019-05-131225-802-1213ND
2019-05-131225-800-1316ND
2019-05-131225-801-1332ND
2019-08-121225-803-13023.90 ppb
2019-08-121225-802-1238ND
2019-08-121225-801-1418ND
2019-08-121225-800-1333ND
2019-11-121225-803-1651ND
2019-11-121225-802-1708ND
2019-11-121225-800-1521ND
2019-11-121225-801-1543ND