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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

City of Royse City

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.681 ppb163ND - 6.80 ppb
20130.125 ppb161ND - 2.00 ppb
20140.344 ppb162ND - 3.30 ppb
20152.34 ppb167ND - 10.1 ppb
2016ND160ND
20172.73 ppb164ND - 14.3 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
2012-01-181201416008ND
2012-01-181201416007ND
2012-01-1812014160066.80 ppb
2012-01-181201416005ND
2012-05-2912058370082.00 ppb
2012-05-291205837007ND
2012-05-291205837006ND
2012-05-291205837005ND
2012-08-081208399006ND
2012-08-081208399005ND
2012-08-081208399007ND
2012-08-0812083990082.10 ppb
2012-10-301211001009ND
2012-10-301211001008ND
2012-10-301211001007ND
2012-10-301211001006ND
2013-03-061303256009ND
2013-03-061303256008ND
2013-03-061303256007ND
2013-03-061303256006ND
2013-04-261304A00005ND
2013-04-261304A00006ND
2013-04-261304A00008ND
2013-04-261304A00007ND
2013-08-01Q1304778004ND
2013-08-01Q1304778003ND
2013-08-01Q13047780022.00 ppb
2013-08-01Q1304778001ND
2013-10-29Q1310140004ND
2013-10-29Q1310140003ND
2013-10-29Q1310140002ND
2013-10-29Q1310140001ND
2014-02-12Q1404480002ND
2014-02-12Q1404480001ND
2014-02-12Q1404480003ND
2014-02-12Q1404480004ND
2014-04-28Q14135980042.20 ppb
2014-04-28Q1413598003ND
2014-04-28Q1413598002ND
2014-04-28Q1413598001ND
2014-07-14Q1427932004ND
2014-07-14Q1427932003ND
2014-07-14Q1427932002ND
2014-07-14Q1427932001ND
2014-10-16Q1452868001ND
2014-10-16Q1452868004ND
2014-10-16Q1452868003ND
2014-10-16Q14528680023.30 ppb
2015-01-20Q15018280043.50 ppb
2015-01-20Q15018280034.20 ppb
2015-01-20Q15018280022.90 ppb
2015-01-20Q15018280012.80 ppb
2015-04-28Q1515891004ND
2015-04-28Q1515891003ND
2015-04-28Q1515891002ND
2015-04-28Q1515891001ND
2015-07-17Q1527979002ND
2015-07-17Q15279790015.20 ppb
2015-07-17Q1527979003ND
2015-07-17Q1527979004ND
2015-10-12Q1540071004ND
2015-10-12Q1540071003ND
2015-10-12Q154007100210.1 ppb
2015-10-12Q15400710018.80 ppb
2016-02-09Q1605411004ND
2016-02-09Q1605411003ND
2016-02-09Q1605411002ND
2016-02-09Q1605411001ND
2016-05-04Q1617771001ND
2016-05-04Q1617771002ND
2016-05-04Q1617771004ND
2016-05-04Q1617771003ND
2016-08-01Q1631532004ND
2016-08-01Q1631532003ND
2016-08-01Q1631532002ND
2016-08-01Q1631532001ND
2016-10-19Q1644625004ND
2016-10-19Q1644625003ND
2016-10-19Q1644625001ND
2016-10-19Q1644625002ND
2017-01-24Q1703061001ND
2017-01-24Q1703061003ND
2017-01-24Q1703061002ND
2017-01-24Q1703061004ND
2017-04-20Q171636300513.5 ppb
2017-04-20Q171636300413.4 ppb
2017-04-20Q1716363003ND
2017-04-20Q171636300214.3 ppb
2017-07-19Q1729746002ND
2017-07-19Q1729746004ND
2017-07-19Q1729746001ND
2017-07-19Q1729746003ND
2017-10-18Q1753706003ND
2017-10-18Q17537060022.50 ppb
2017-10-18Q1753706004ND
2017-10-18Q1753706001ND