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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Doyon Utilities Jber - Richardson

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.

 

51

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND70ND
2014ND160ND
2015ND80ND
2016ND80ND
20170.300 ppb81ND - 2.40 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
2012-01-03DH*2573206ND
2012-05-07DH*2641700ND
2012-09-10DH*2709380ND
2012-12-03DH*2750291ND
2013-01-07DH*2763121ND
2013-06-03DH*2837716ND
2013-08-19DH*2887368ND
2013-11-04DH*2927002ND
2013-11-04DH*2927004ND
2013-11-04DH*2927006ND
2013-11-04DH*2927008ND
2014-01-13DH*2959482ND
2014-01-13DH*2959483ND
2014-01-13DH*2959481ND
2014-01-13DH*2959480ND
2014-04-14DH*3010275ND
2014-04-14DH*3010276ND
2014-04-14DH*3010277ND
2014-04-14DH*3010278ND
2014-07-14DH*3065599ND
2014-07-14DH*3065600ND
2014-07-14DH*3065602ND
2014-07-28DH*3072461ND
2014-10-06DH*3119907ND
2014-10-06DH*3119906ND
2014-10-06DH*3119904ND
2014-10-06DH*3119905ND
2015-01-20DH*3175265ND
2015-01-20DH*3175267ND
2015-01-20DH*3175269ND
2015-01-26DH*3178167ND
2015-04-13DH*3224159ND
2015-04-13DH*3224161ND
2015-10-13DH*3341303ND
2015-10-13DH*3341304ND
2016-01-11DH*3386324ND
2016-01-11DH*3386325ND
2016-04-11DH*3429826ND
2016-04-11DH*3429825ND
2016-07-18DH*3497938ND
2016-07-18DH*3497939ND
2016-10-17DH*3568021ND
2016-10-17DH*3568022ND
2017-01-09DH*3621236ND
2017-01-09DH*3621238ND
2017-04-04DH*3667725ND
2017-04-04DH*3667727ND
2017-07-10DH*3729963ND
2017-07-10DH*37299642.40 ppb
2017-10-02DH*3793177ND
2017-10-02DH*3793179ND