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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Randolph 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.

 

82

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
20130.267 ppb122ND - 1.60 ppb
20140.663 ppb162ND - 5.30 ppb
2015ND160ND
2016ND160ND
20170.675 ppb164ND - 2.70 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2012-04-101112102ND
2012-04-101112102ND
2012-09-26L0020584-01ND
2012-09-26L0020584-01ND
2012-12-18L0023941-05ND
2012-12-18L0023941-05ND
2013-03-13L0027112-031.60 ppb
2013-03-13L0027112-031.60 ppb
2013-05-21L0029796-02ND
2013-05-21L0029796-02ND
2013-07-23L0032417-02ND
2013-07-23L0032417-01ND
2013-07-23L0032417-01ND
2013-07-23L0032417-02ND
2013-10-25L0035971-01ND
2013-10-25L0035971-02ND
2013-10-25L0035971-02ND
2013-10-25L0035971-01ND
2014-01-23L0039249-015.30 ppb
2014-01-23L0039249-02ND
2014-01-23L0039249-02ND
2014-01-23L0039249-015.30 ppb
2014-05-291305265ND
2014-05-291305265ND
2014-05-291305266ND
2014-05-291305266ND
2014-07-141317726ND
2014-07-141317725ND
2014-07-141317725ND
2014-07-141317726ND
2014-10-071340253ND
2014-10-071340254ND
2014-10-071340254ND
2014-10-071340253ND
2015-01-191365943ND
2015-01-191365942ND
2015-01-191365943ND
2015-01-191365942ND
2015-04-141386912ND
2015-04-141386911ND
2015-04-141386912ND
2015-04-141386911ND
2015-07-141410279ND
2015-07-141410278ND
2015-07-141410278ND
2015-07-141410279ND
2015-10-061432814ND
2015-10-061432815ND
2015-10-061432814ND
2015-10-061432815ND
2016-01-121457669ND
2016-01-121457675ND
2016-01-121457675ND
2016-01-121457669ND
2016-04-121481851ND
2016-04-121481851ND
2016-04-121481850ND
2016-04-121481850ND
2016-07-121506446ND
2016-07-121506447ND
2016-07-121506447ND
2016-07-121506446ND
2016-10-181534212ND
2016-10-181534212ND
2016-10-181534213ND
2016-10-181534213ND
2017-01-1935290141015ND
2017-01-1935290141016ND
2017-01-1935290141016ND
2017-01-1935290141015ND
2017-04-1335306546003ND
2017-04-1335306546003ND
2017-04-1335306546004ND
2017-04-1335306546004ND
2017-07-0635322645005ND
2017-07-0635322645004ND
2017-07-0635322645004ND
2017-07-0635322645005ND
2017-10-05353406680012.70 ppb
2017-10-05353406680012.70 ppb
2017-10-05353406680022.70 ppb
2017-10-05353406680022.70 ppb