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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Harker Heights

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
20150.288 ppb161ND - 4.60 ppb
2016ND160ND
2017ND160ND
2018ND160ND
20190.638 ppb164ND - 2.70 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
2014-02-11AC42333ND
2014-02-11AC42328ND
2014-02-11AC42337ND
2014-02-11AC42329ND
2014-04-03AC49232ND
2014-04-03AC49236ND
2014-04-03AC49238ND
2014-04-03AC49235ND
2014-07-24AC60922ND
2014-07-24AC60919ND
2014-07-24AC60921ND
2014-07-24AC60918ND
2014-10-22AC70310ND
2014-10-22AC70311ND
2014-10-22AC70315ND
2014-10-22AC70324ND
2015-01-27AC77912ND
2015-01-27AC77869ND
2015-01-27AC77868ND
2015-01-27AC77877ND
2015-04-23AC89399ND
2015-04-23AC89396ND
2015-04-23AC89395ND
2015-04-23AC89400ND
2015-09-03AD05618ND
2015-09-03AD05611ND
2015-09-03AD05619ND
2015-09-03AD056154.60 ppb
2015-11-02AD12161ND
2015-11-02AD12167ND
2015-11-02AD12160ND
2015-11-02AD12171ND
2016-02-03AD21810ND
2016-02-03AD21812ND
2016-02-03AD21813ND
2016-02-03AD21804ND
2016-04-20AD33623ND
2016-04-20AD33628ND
2016-04-20AD33618ND
2016-04-20AD33626ND
2016-07-18AD44513ND
2016-07-18AD44516ND
2016-07-18AD44515ND
2016-07-18AD44511ND
2016-10-20AD54048ND
2016-10-20AD54049ND
2016-10-20AD54040ND
2016-10-20AD54039ND
2017-02-21AD71248ND
2017-02-21AD71256ND
2017-02-21AD71255ND
2017-02-21AD71244ND
2017-05-08AD83007ND
2017-05-08AD83006ND
2017-05-08AD83012ND
2017-05-08AD83009ND
2017-07-05AD88326ND
2017-07-05AD88331ND
2017-07-05AD88325ND
2017-07-05AD88324ND
2017-10-05AD99521ND
2017-10-05AD99524ND
2017-10-05AD99518ND
2017-10-05AD99523ND
2018-01-09AE08320ND
2018-01-09AE08289ND
2018-01-09AE08290ND
2018-01-09AE08285ND
2018-04-05AE21418ND
2018-04-05AE21408ND
2018-04-05AE21422ND
2018-04-05AE21436ND
2018-08-14AE36901ND
2018-08-14AE36897ND
2018-08-14AE36902ND
2018-08-14AE36899ND
2018-10-10AE43035ND
2018-10-10AE43021ND
2018-10-10AE43017ND
2018-10-10AE43018ND
2019-02-27AE56207ND
2019-02-27AE56204ND
2019-02-27AE56196ND
2019-02-27AE56211ND
2019-05-23AE67876ND
2019-05-23AE67873ND
2019-05-23AE67874ND
2019-05-23AE67875ND
2019-08-27AE809222.50 ppb
2019-08-27AE809242.30 ppb
2019-08-27AE809232.70 ppb
2019-08-27AE809252.70 ppb
2019-10-28AE87709ND
2019-10-28AE87714ND
2019-10-28AE87713ND
2019-10-28AE87707ND