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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Alexandria

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

 

152

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND160ND
2016ND320ND
20170.909 ppb329ND - 4.60 ppb
20180.275 ppb321ND - 8.80 ppb
20190.781 ppb328ND - 3.80 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
2014-11-1127471701HAAND
2014-11-1127471801HAAND
2014-11-1127472401HAAND
2014-11-1127472201HAAND
2014-11-1127472101HAAND
2014-11-1127472001HAAND
2014-11-1127472301HAAND
2014-11-1127471901HAAND
2015-08-12460274-AMERICANND
2015-08-12460274-AMERICANND
2015-08-12460274-AMERICANND
2015-08-12460274-AMERICANND
2015-08-12460274-AMERICANND
2015-08-12460274-AMERICANND
2015-08-12460274-AMERICANND
2015-08-12460274-AMERICANND
2015-11-1000001_EXP-AMERICND
2015-11-1000001_EXP-AMERICND
2015-11-1000001_EXP-AMERICND
2015-11-1000001_EXP-AMERICND
2015-11-1000001_EXP-AMERICND
2015-11-1000001_EXP-AMERICND
2015-11-1000001_EXP-AMERICND
2015-11-1000001_EXP-AMERICND
2016-02-0931203901HAAND
2016-02-0931204001HAAND
2016-02-0931204101HAAND
2016-02-0931204201HAAND
2016-02-0931204301HAAND
2016-02-0931204401HAAND
2016-02-0931204501HAAND
2016-02-0931204601HAAND
2016-05-0931993601HAAND
2016-05-0931993701HAAND
2016-05-0931993801HAAND
2016-05-0931993901HAAND
2016-05-0931993301HAAND
2016-05-0931993401HAAND
2016-05-0931993501HAAND
2016-05-0931993201HAAND
2016-08-1533037301ND
2016-08-1533037401ND
2016-08-1533037501ND
2016-08-1533037601ND
2016-08-1533036901ND
2016-08-1533037001ND
2016-08-1533037101ND
2016-08-1533037201ND
2016-11-1633709301ND
2016-11-1633709401ND
2016-11-1633709501ND
2016-11-1633709601ND
2016-11-1633709701ND
2016-11-1633709801ND
2016-11-1633709901ND
2016-11-1633710001ND
2017-02-1334624501ND
2017-02-1334624601ND
2017-02-1334624701ND
2017-02-1334624801ND
2017-02-1334624901ND
2017-02-1334625001ND
2017-02-1334625101ND
2017-02-1334625201ND
2017-05-10354061014.60 ppb
2017-05-10354071013.90 ppb
2017-05-10354069013.50 ppb
2017-05-10354059013.10 ppb
2017-05-10354063013.00 ppb
2017-05-10354065013.00 ppb
2017-05-10354067013.00 ppb
2017-05-10354057012.80 ppb
2017-08-1436594401ND
2017-08-1436594501ND
2017-08-1436594601ND
2017-08-1436594701ND
2017-08-1436594801ND
2017-08-1436594901ND
2017-08-1436595001ND
2017-08-1436595101ND
2017-11-13376170012.20 ppb
2017-11-1337616401ND
2017-11-1337616501ND
2017-11-1337616601ND
2017-11-1337616701ND
2017-11-1337616801ND
2017-11-1337616901ND
2017-11-1337617101ND
2018-02-1238588401ND
2018-02-1238588501ND
2018-02-12385886018.80 ppb
2018-02-1238588701ND
2018-02-1238588801ND
2018-02-1238588901ND
2018-02-1238589001ND
2018-02-1238589101ND
2018-05-1439297401ND
2018-05-1439297501ND
2018-05-1439297601ND
2018-05-1439297701ND
2018-05-1439297801ND
2018-05-1439297901ND
2018-05-1439298001ND
2018-05-1439298101ND
2018-08-1340583301ND
2018-08-1340583401ND
2018-08-1340583501ND
2018-08-1340583601ND
2018-08-1340583701ND
2018-08-1340583801ND
2018-08-1340583901ND
2018-08-1340584001ND
2018-11-1241794301ND
2018-11-1241794401ND
2018-11-1241794501ND
2018-11-1241794601ND
2018-11-1241794701ND
2018-11-1241794801ND
2018-11-1241794901ND
2018-11-1241795001ND
2019-02-1142939401ND
2019-02-1142939501ND
2019-02-1142939601ND
2019-02-1142939701ND
2019-02-1142939801ND
2019-02-1142939901ND
2019-02-1142940001ND
2019-02-1142940101ND
2019-05-14439022013.10 ppb
2019-05-14439023013.80 ppb
2019-05-14439024013.60 ppb
2019-05-14439025012.90 ppb
2019-05-14439026013.40 ppb
2019-05-14439027012.70 ppb
2019-05-14439028012.70 ppb
2019-05-14439029012.80 ppb
2019-08-1245559001ND
2019-08-1245559101ND
2019-08-1245559201ND
2019-08-1245559301ND
2019-08-1245559401ND
2019-08-1245559501ND
2019-08-1245559601ND
2019-08-1245559701ND
2019-11-1147229901ND
2019-11-1147230001ND
2019-11-1147230101ND
2019-11-1147230201ND
2019-11-1147230301ND
2019-11-1147230401ND
2019-11-1147230501ND
2019-11-1147230601ND