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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Kingsland Water Supply Corporation

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

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.575 ppb81ND - 4.60 ppb
20154.45 ppb85ND - 13.2 ppb
20161.71 ppb85ND - 3.00 ppb
20171.63 ppb84ND - 5.30 ppb
20181.69 ppb84ND - 5.70 ppb
20192.29 ppb168ND - 7.30 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
2014-03-04AC45477ND
2014-03-04AC45475ND
2014-05-01AC52691ND
2014-05-01AC52692ND
2014-08-14AC63764ND
2014-08-14AC63767ND
2014-11-21AC72697ND
2014-11-21AC726964.60 ppb
2015-01-28AC7811213.2 ppb
2015-01-28AC7811411.6 ppb
2015-04-14AC88097ND
2015-04-14AC880983.20 ppb
2015-09-02AD053094.80 ppb
2015-09-02AD052902.80 ppb
2015-10-19AD10986ND
2015-10-19AD10985ND
2016-02-02AD21446ND
2016-02-02AD21443ND
2016-04-12AD327512.50 ppb
2016-04-12AD32750ND
2016-07-20AD449233.00 ppb
2016-07-20AD449252.40 ppb
2016-10-26AD547622.90 ppb
2016-10-26AD547602.90 ppb
2017-02-13AD70344ND
2017-02-28AD724002.20 ppb
2017-04-19AD80163ND
2017-04-19AD801682.10 ppb
2017-09-11AD954183.40 ppb
2017-09-11AD95414ND
2017-11-09AE043025.30 ppb
2017-11-09AE04300ND
2018-02-26AE153792.40 ppb
2018-02-26AE15378ND
2018-06-05AE292283.00 ppb
2018-06-05AE292222.40 ppb
2018-08-30AE389095.70 ppb
2018-08-30AE38908ND
2018-11-29AE47359ND
2018-11-29AE47361ND
2019-02-07AE53455ND
2019-02-07AE53454ND
2019-02-07AE53452ND
2019-02-07AE53457ND
2019-04-23AE63318ND
2019-04-23AE63321ND
2019-04-23AE63322ND
2019-04-23AE63320ND
2019-07-02AE730912.20 ppb
2019-07-02AE730854.00 ppb
2019-07-02AE731007.30 ppb
2019-07-02AE730964.50 ppb
2019-10-08AE859384.60 ppb
2019-10-08AE859375.50 ppb
2019-10-08AE859403.30 ppb
2019-10-08AE859365.30 ppb