Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Monochloroacetic acid

Galveston County WCID 1

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.

 

100

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.535 ppb202ND - 5.40 ppb
2013ND160ND
2014ND160ND
20150.963 ppb166ND - 2.70 ppb
2016ND160ND
20170.525 ppb162ND - 4.40 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
2012-02-01AB79782ND
2012-02-01AB79781ND
2012-02-01AB79780ND
2012-02-01AB79779ND
2012-04-05AB86182ND
2012-04-05AB86181ND
2012-04-05AB86192ND
2012-04-05AB86237ND
2012-06-01AB91637ND
2012-06-01AB916225.40 ppb
2012-06-01AB916235.30 ppb
2012-06-01AB91632ND
2012-08-23AB99528ND
2012-08-23AB99529ND
2012-08-23AB99526ND
2012-08-23AB99527ND
2012-11-27AC05647ND
2012-11-27AC05656ND
2012-11-27AC05648ND
2012-11-27AC05657ND
2013-02-05AC09683ND
2013-02-05AC09680ND
2013-02-05AC09679ND
2013-02-05AC09684ND
2013-05-29AC20745ND
2013-05-29AC20744ND
2013-05-29AC20756ND
2013-05-29AC20754ND
2013-08-15AC27948ND
2013-08-15AC27943ND
2013-08-15AC27952ND
2013-08-15AC27945ND
2013-11-18AC35445ND
2013-11-18AC35432ND
2013-11-18AC35434ND
2013-11-18AC35447ND
2014-02-21AC44230ND
2014-02-21AC44225ND
2014-02-21AC44227ND
2014-02-21AC44226ND
2014-06-03AC55872ND
2014-06-03AC55878ND
2014-06-03AC55877ND
2014-06-03AC55876ND
2014-07-30AC61615ND
2014-07-30AC61617ND
2014-07-30AC61614ND
2014-07-30AC61608ND
2014-10-22AC70303ND
2014-10-22AC70304ND
2014-10-22AC70301ND
2014-10-22AC70302ND
2015-01-15AC76421ND
2015-01-15AC76422ND
2015-01-15AC76428ND
2015-01-15AC76427ND
2015-05-06AC90752ND
2015-05-06AC907452.50 ppb
2015-05-06AC907472.60 ppb
2015-05-06AC907072.30 ppb
2015-07-07AC985342.70 ppb
2015-07-07AC98533ND
2015-07-07AC985372.70 ppb
2015-07-07AC985362.60 ppb
2015-10-28AD11981ND
2015-10-28AD11982ND
2015-10-28AD11984ND
2015-10-28AD11983ND
2016-01-26AD20029ND
2016-01-26AD20028ND
2016-01-26AD20033ND
2016-01-26AD20041ND
2016-05-16AD36781ND
2016-05-16AD36752ND
2016-05-16AD36780ND
2016-05-16AD36756ND
2016-09-29AD51874ND
2016-09-29AD51880ND
2016-09-29AD51872ND
2016-09-29AD51873ND
2016-11-29AD59340ND
2016-11-29AD59342ND
2016-11-29AD59338ND
2016-11-29AD59335ND
2017-01-26AD67132ND
2017-01-26AD67131ND
2017-01-26AD67130ND
2017-01-26AD67138ND
2017-04-25AD81130ND
2017-04-25AD81150ND
2017-04-25AD81124ND
2017-04-25AD811264.40 ppb
2017-07-24AD902864.00 ppb
2017-07-24AD90287ND
2017-07-24AD90283ND
2017-07-24AD90336ND
2017-10-16AE00811ND
2017-10-16AE00812ND
2017-10-16AE00813ND
2017-10-16AE00810ND