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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Combine Water Supply Corporation

NOTE: Combine Water Supply Corporation purchases water from City of Seagoville which is required to test for monochloroacetic acid. Sample information shown below was taken by City of Seagoville.

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.

 

93

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.700 ppb31ND - 2.10 ppb
20130.825 ppb41ND - 3.30 ppb
20140.575 ppb41ND - 2.30 ppb
20152.65 ppb42ND - 7.50 ppb
2016ND40ND
20172.13 ppb42ND - 5.40 ppb

ppb = parts per billion

All test results

NOTE: Combine Water Supply Corporation purchases water from City of Seagoville which is required to test for monochloroacetic acid. Sample information shown below was taken by City of Seagoville.

Date Lab ID Result
2012-02-2112025860032.80 ppb
2012-05-1612056510082.10 ppb
2012-05-1612056510072.10 ppb
2012-05-161205651006ND
2012-05-161205651005ND
2012-07-3112081000082.40 ppb
2012-07-3112081000052.20 ppb
2012-07-3112081000062.20 ppb
2012-07-3112081000072.80 ppb
2012-10-301210A29006ND
2012-10-301210A29005ND
2012-10-301210A29007ND
2012-10-301210A29008ND
2013-02-1213024150072.70 ppb
2013-02-1213024150093.50 ppb
2013-02-1213024150082.50 ppb
2013-02-1213024150062.70 ppb
2013-04-1613045660052.80 ppb
2013-04-1613045660062.50 ppb
2013-04-1613045660073.20 ppb
2013-04-1613045660083.70 ppb
2013-07-30Q1304559002ND
2013-07-30Q1304559001ND
2013-07-30Q13045590042.00 ppb
2013-07-30Q13045590032.30 ppb
2013-10-28Q1309979004ND
2013-10-28Q1309979003ND
2013-10-28Q1309979002ND
2013-10-28Q1309979001ND
2014-03-17Q14084640013.80 ppb
2014-03-17Q14084640023.80 ppb
2014-03-17Q14084640034.80 ppb
2014-03-17Q14084640043.90 ppb
2014-05-15Q1416598004ND
2014-05-15Q1416598002ND
2014-05-15Q1416598003ND
2014-05-15Q1416598001ND
2014-09-02Q1440529001ND
2014-09-02Q1440529002ND
2014-09-02Q1440529003ND
2014-09-02Q1440529004ND
2014-10-28Q14544380024.70 ppb
2014-10-28Q1454438001ND
2014-10-28Q14544380053.10 ppb
2014-10-28Q14544380049.40 ppb
2015-01-27Q15031470053.50 ppb
2015-01-27Q1503147004ND
2015-01-27Q15031470034.20 ppb
2015-01-27Q15031470024.90 ppb
2015-05-26Q1519036004ND
2015-05-26Q15190360036.40 ppb
2015-05-26Q15190360026.00 ppb
2015-05-26Q1519036001ND
2015-08-12Q1531779001ND
2015-08-12Q1531779002ND
2015-08-12Q15317790034.70 ppb
2015-08-12Q1531779004ND
2015-10-21Q1541502001ND
2015-10-21Q15415020025.50 ppb
2015-10-21Q1541502003ND
2015-10-21Q1541502004ND
2016-01-20Q1602332004ND
2016-01-20Q1602332003ND
2016-01-20Q1602332002ND
2016-01-20Q1602332001ND
2016-04-06Q1613672001ND
2016-04-06Q1613672002ND
2016-04-06Q16136720034.60 ppb
2016-04-06Q16136720042.30 ppb
2016-07-13Q16283770044.20 ppb
2016-07-13Q16283770032.70 ppb
2016-07-13Q1628377002ND
2016-07-13Q1628377001ND
2016-10-17Q1643890001ND
2016-10-17Q1643890003ND
2016-10-17Q16438900042.40 ppb
2016-10-17Q1643890002ND
2017-01-18Q1702349001ND
2017-01-18Q1702349005ND
2017-01-18Q1702349002ND
2017-01-18Q1702349004ND
2017-04-24Q1716526002ND
2017-04-24Q1716526004ND
2017-04-24Q17165260015.20 ppb
2017-04-24Q1716526003ND
2017-07-26Q17310450031.70 ppb
2017-07-26Q1731045004ND
2017-07-26Q1731045002ND
2017-07-26Q1731045001ND
2017-10-25Q1755288002ND
2017-10-25Q1755288004ND
2017-10-25Q1755288003ND
2017-10-25Q1755288001ND