Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochloroacetic acid

Roswell Municipal 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

 

94

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.0294 ppb161ND - 0.470 ppb
20150.0250 ppb161ND - 0.400 ppb
2016ND160ND
20171.26 ppb166ND - 5.80 ppb
20180.594 ppb147ND - 2.00 ppb
2019ND160ND

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
2014-02-192014005813ND
2014-02-192014005814ND
2014-02-192014005812ND
2014-02-1920140058150.470 ppb
2014-04-222014013877ND
2014-04-222014013875ND
2014-04-222014013874ND
2014-04-222014013876ND
2014-07-242014023526ND
2014-07-242014023527ND
2014-07-242014023525ND
2014-07-242014023528ND
2014-10-222014033287ND
2014-10-222014033286ND
2014-10-222014033285ND
2014-10-222014033288ND
2015-01-2020150022080.400 ppb
2015-01-202015002207ND
2015-01-202015002206ND
2015-01-202015002205ND
2015-04-142015011525ND
2015-04-142015011523ND
2015-04-142015011526ND
2015-04-142015011524ND
2015-07-142015020439ND
2015-07-142015020438ND
2015-07-142015020441ND
2015-07-142015020440ND
2015-10-272015032263ND
2015-10-272015032264ND
2015-10-272015032262ND
2015-10-272015032261ND
2016-01-262016002557ND
2016-01-262016002558ND
2016-01-262016002556ND
2016-01-272016002555ND
2016-04-202016011289ND
2016-04-202016011292ND
2016-04-202016011291ND
2016-04-202016011290ND
2016-07-252016021227ND
2016-07-252016021229ND
2016-07-252016021228ND
2016-07-252016021230ND
2016-10-172016030143ND
2016-10-172016030146ND
2016-10-172016030145ND
2016-10-172016030144ND
2017-01-1720170013665.80 ppb
2017-01-1720170013684.50 ppb
2017-01-1720170013694.10 ppb
2017-01-1720170013674.10 ppb
2017-04-172017011267ND
2017-04-172017011268ND
2017-04-172017011269ND
2017-04-172017011270ND
2017-07-2520170215660.900 ppb
2017-07-252017021564ND
2017-07-252017021565ND
2017-07-252017021567ND
2017-10-2620170309700.800 ppb
2017-10-262017030971ND
2017-10-262017030969ND
2017-10-262017030968ND
2018-01-182018001892ND
2018-01-182018001891ND
2018-01-182018001890ND
2018-04-0520180098450.860 ppb
2018-04-0520180098440.770 ppb
2018-04-052018009843ND
2018-07-0220180182672.00 ppb
2018-07-0220180182661.000 ppb
2018-07-0220180182651.30 ppb
2018-07-0220180182681.60 ppb
2018-10-092018028897ND
2018-10-092018028898ND
2018-10-0920180288990.790 ppb
2018-10-092018028900ND
2019-01-092019000681ND
2019-01-092019000682ND
2019-01-092019000683ND
2019-01-092019000684ND
2019-04-022019008479ND
2019-04-022019008480ND
2019-04-022019008481ND
2019-04-022019008478ND
2019-07-092019018727ND
2019-07-092019018730ND
2019-07-092019018729ND
2019-07-092019018728ND
2019-10-032019028342ND
2019-10-032019028341ND
2019-10-032019028340ND
2019-10-032019028339ND