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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Lakeshore Swartz 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

 

144

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND160ND
2016ND160ND
20171.13 ppb3218ND - 2.60 ppb
20182.26 ppb3214ND - 7.70 ppb
20192.56 ppb3226ND - 5.80 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
2014-02-181278957ND
2014-02-181278958ND
2014-02-181278957ND
2014-02-181278958ND
2014-05-151302277ND
2014-05-151302279ND
2014-05-151302277ND
2014-05-151302279ND
2014-08-211328648ND
2014-08-211328648ND
2014-08-281329976ND
2014-08-281329976ND
2014-11-041347526ND
2014-11-041347526ND
2014-11-061347525ND
2014-11-061347525ND
2015-02-261375296ND
2015-02-261375298ND
2015-02-261375296ND
2015-02-261375298ND
2015-05-121394743ND
2015-05-121394744ND
2015-05-121394743ND
2015-05-121394744ND
2015-08-031415887ND
2015-08-031415888ND
2015-08-031415887ND
2015-08-031415888ND
2015-11-181445668ND
2015-11-181445669ND
2015-11-181445668ND
2015-11-181445669ND
2016-02-111467315ND
2016-02-111467316ND
2016-02-111467315ND
2016-02-111467316ND
2016-05-051489054ND
2016-05-051489055ND
2016-05-051489054ND
2016-05-051489055ND
2016-08-041513576ND
2016-08-041513577ND
2016-08-041513576ND
2016-08-041513577ND
2016-11-011537953ND
2016-11-011537954ND
2016-11-011537953ND
2016-11-011537954ND
2017-02-0835294463001ND
2017-02-0835294463002ND
2017-02-0835294463003ND
2017-02-0835294463004ND
2017-02-0835294463001ND
2017-02-0835294463002ND
2017-02-0835294463003ND
2017-02-0835294463004ND
2017-05-04353106180071.70 ppb
2017-05-0435310618008ND
2017-05-04353106180092.00 ppb
2017-05-04353106180102.60 ppb
2017-05-04353106180071.70 ppb
2017-05-0435310618008ND
2017-05-04353106180092.00 ppb
2017-05-04353106180102.60 ppb
2017-08-02353280020112.60 ppb
2017-08-0235328002012ND
2017-08-02353280020130.910 ppb
2017-08-0235328002014ND
2017-08-02353280020112.60 ppb
2017-08-0235328002012ND
2017-08-02353280020130.910 ppb
2017-08-0235328002014ND
2017-11-03353461550011.10 ppb
2017-11-03353461550022.30 ppb
2017-11-03353461550032.30 ppb
2017-11-03353461550042.50 ppb
2017-11-03353461550011.10 ppb
2017-11-03353461550022.30 ppb
2017-11-03353461550032.30 ppb
2017-11-03353461550042.50 ppb
2018-02-1235373924001ND
2018-02-1235373924002ND
2018-02-1235373924003ND
2018-02-12353739240047.70 ppb
2018-02-1235373924001ND
2018-02-1235373924002ND
2018-02-1235373924003ND
2018-02-12353739240047.70 ppb
2018-05-03353902480014.70 ppb
2018-05-03353902480024.90 ppb
2018-05-03353902480035.40 ppb
2018-05-03353902480046.30 ppb
2018-05-03353902480014.70 ppb
2018-05-03353902480024.90 ppb
2018-05-03353902480035.40 ppb
2018-05-03353902480046.30 ppb
2018-08-0235408586001ND
2018-08-0235408586002ND
2018-08-02354085860032.80 ppb
2018-08-02354085860044.40 ppb
2018-08-0235408586001ND
2018-08-0235408586002ND
2018-08-02354085860032.80 ppb
2018-08-02354085860044.40 ppb
2018-11-0835429975001ND
2018-11-0835429975002ND
2018-11-0835429975003ND
2018-11-0835429975004ND
2018-11-0835429975001ND
2018-11-0835429975002ND
2018-11-0835429975003ND
2018-11-0835429975004ND
2019-02-1335448536001ND
2019-02-13354485360024.40 ppb
2019-02-1335448536003ND
2019-02-1335448536004ND
2019-02-1335448536001ND
2019-02-13354485360024.40 ppb
2019-02-1335448536003ND
2019-02-1335448536004ND
2019-05-02354658560014.90 ppb
2019-05-02354658560025.50 ppb
2019-05-02354658560035.00 ppb
2019-05-02354658560045.80 ppb
2019-05-02354658560014.90 ppb
2019-05-02354658560025.50 ppb
2019-05-02354658560035.00 ppb
2019-05-02354658560045.80 ppb
2019-08-22354927320011.60 ppb
2019-08-22354927320021.80 ppb
2019-08-22354927320032.00 ppb
2019-08-22354927320042.60 ppb
2019-08-22354927320011.60 ppb
2019-08-22354927320021.80 ppb
2019-08-22354927320032.00 ppb
2019-08-22354927320042.60 ppb
2019-11-07355109590011.30 ppb
2019-11-07355109590021.90 ppb
2019-11-07355109590031.50 ppb
2019-11-07355109590042.60 ppb
2019-11-07355109590011.30 ppb
2019-11-07355109590021.90 ppb
2019-11-07355109590031.50 ppb
2019-11-07355109590042.60 ppb