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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Fredericksburg

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

 

96

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
20140.0750 ppb161ND - 1.20 ppb
2015ND160ND
20160.219 ppb163ND - 1.40 ppb
20170.156 ppb162ND - 1.40 ppb
20180.319 ppb162ND - 4.10 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
2014-03-10E131207345ND
2014-03-10E131207340ND
2014-03-10E131207346ND
2014-03-10E131207342ND
2014-06-09E1403054741.20 ppb
2014-06-09E140305475ND
2014-06-09E140305473ND
2014-06-09E140305476ND
2014-09-30E140602432ND
2014-09-30E140602430ND
2014-09-30E140602429ND
2014-09-30E140602426ND
2014-12-08E140902952ND
2014-12-08E140902951ND
2014-12-08E140902957ND
2014-12-08E140902953ND
2015-03-09VA010-DCLSND
2015-03-09VA010-DCLSND
2015-03-09VA010-DCLSND
2015-03-09VA010-DCLSND
2015-06-08VA010-DCLSND
2015-06-08VA010-DCLSND
2015-06-08VA010-DCLSND
2015-06-08VA010-DCLSND
2015-09-08VA010-DCLSND
2015-09-08VA010-DCLSND
2015-09-08VA010-DCLSND
2015-09-08VA010-DCLSND
2015-12-07VA010-DCLSND
2015-12-07VA010-DCLSND
2015-12-07VA010-DCLSND
2015-12-07VA010-DCLSND
2016-02-08E151206785ND
2016-02-08E151206783ND
2016-02-08E151206788ND
2016-02-08E151206784ND
2016-05-09E160303918ND
2016-05-09E160303916ND
2016-05-09E160303914ND
2016-05-09E1603039131.10 ppb
2016-08-15E160606882ND
2016-08-15E160606878ND
2016-08-15E1606068771.000 ppb
2016-08-15E1606068801.40 ppb
2016-11-14E160904786ND
2016-11-14E160904787ND
2016-11-14E160904789ND
2016-11-14E160904790ND
2017-02-14E161205589ND
2017-02-14E161205591ND
2017-02-14E161205588ND
2017-02-14E161205585ND
2017-05-15E170304825ND
2017-05-15E170304820ND
2017-05-15E170304821ND
2017-05-15E170304823ND
2017-08-22E1706070431.10 ppb
2017-08-22E170607037ND
2017-08-22E170607036ND
2017-08-22E1706070391.40 ppb
2017-11-28E170905174ND
2017-11-28E170905168ND
2017-11-28E170905170ND
2017-11-28E170905172ND
2018-02-12E171205711ND
2018-02-12E171205709ND
2018-02-12E1712057081.000 ppb
2018-02-12E171205706ND
2018-06-11E180307594ND
2018-06-11E180307587ND
2018-06-11E180307589ND
2018-06-11E180307591ND
2018-08-13E180608342ND
2018-08-13E180608341ND
2018-08-13E1806083404.10 ppb
2018-08-13E180608337ND
2018-11-13E181002917ND
2018-11-13E181002919ND
2018-11-13E181002920ND
2018-11-13E181002922ND
2019-02-19E190103649ND
2019-02-19E190103650ND
2019-02-19E190103653ND
2019-02-19E190103655ND
2019-05-20E190303098ND
2019-05-20E190303105ND
2019-05-20E190303102ND
2019-05-20E190303100ND
2019-08-21E190603744ND
2019-08-21E190603747ND
2019-08-21E190603745ND
2019-08-21E190603742ND
2019-11-18E191003685ND
2019-11-18E191003684ND
2019-11-18E191003683ND
2019-11-18E191003681ND