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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Holmesville Water System

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

 

98

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND180ND
2015ND160ND
2016ND160ND
20170.975 ppb164ND - 4.00 ppb
2018ND160ND
20190.150 ppb162ND - 1.20 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
2014-01-021267766ND
2014-01-021267765ND
2014-01-021267766ND
2014-01-021267765ND
2014-04-011289930ND
2014-04-01ANALABND
2014-04-011289929ND
2014-04-01ANALABND
2014-04-011289930ND
2014-04-011289929ND
2014-07-071315679ND
2014-07-071315680ND
2014-07-071315680ND
2014-07-071315679ND
2014-10-021339543ND
2014-10-021339544ND
2014-10-021339544ND
2014-10-021339543ND
2015-01-051361640ND
2015-01-051361641ND
2015-01-051361641ND
2015-01-051361640ND
2015-03-301383077ND
2015-03-301383076ND
2015-03-301383077ND
2015-03-301383076ND
2015-07-011407133ND
2015-07-011407133ND
2015-07-011407132ND
2015-07-011407132ND
2015-10-051432805ND
2015-10-051432806ND
2015-10-051432805ND
2015-10-051432806ND
2016-01-041455638ND
2016-01-041455639ND
2016-01-041455638ND
2016-01-041455639ND
2016-04-061481776ND
2016-04-061481775ND
2016-04-061481776ND
2016-04-061481775ND
2016-07-051504266ND
2016-07-051504266ND
2016-07-051504265ND
2016-07-051504265ND
2016-10-031529970ND
2016-10-031529970ND
2016-10-031529969ND
2016-10-031529969ND
2017-01-1935290141006ND
2017-01-1935290141005ND
2017-01-1935290141006ND
2017-01-1935290141005ND
2017-04-1935307674007ND
2017-04-1935307674007ND
2017-04-1935307674008ND
2017-04-1935307674008ND
2017-07-2535326233002ND
2017-07-2535326233001ND
2017-07-2535326233002ND
2017-07-2535326233001ND
2017-10-05353406630014.00 ppb
2017-10-05353406630023.80 ppb
2017-10-05353406630014.00 ppb
2017-10-05353406630023.80 ppb
2018-01-1235368391002ND
2018-01-1235368391002ND
2018-01-1235368391001ND
2018-01-1235368391001ND
2018-04-1135386282002ND
2018-04-1135386282001ND
2018-04-1135386282001ND
2018-04-1135386282002ND
2018-07-0535402792002ND
2018-07-0535402792001ND
2018-07-0535402792002ND
2018-07-0535402792001ND
2018-10-1135424029002ND
2018-10-1135424029001ND
2018-10-1135424029001ND
2018-10-1135424029002ND
2019-01-1635442894002ND
2019-01-1635442894001ND
2019-01-1635442894001ND
2019-01-1635442894002ND
2019-04-1035461251002ND
2019-04-1035461251002ND
2019-04-1035461251001ND
2019-04-1035461251001ND
2019-07-1735483189002ND
2019-07-1735483189001ND
2019-07-1735483189001ND
2019-07-1735483189002ND
2019-10-17355062970011.20 ppb
2019-10-1735506297002ND
2019-10-17355062970011.20 ppb
2019-10-1735506297002ND