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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Gonzales 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

 

192

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
2014ND320ND
2015ND320ND
2016ND320ND
20170.0381 ppb322ND - 0.610 ppb
2018ND320ND
2019ND320ND

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
2014-02-17201164735ND
2014-02-17201164736ND
2014-02-17201164737ND
2014-02-17201164738ND
2014-02-17201164735ND
2014-02-17201164736ND
2014-02-17201164737ND
2014-02-17201164738ND
2014-05-19204176001ND
2014-05-19204185001ND
2014-05-19204187001ND
2014-05-19204189001ND
2014-05-19204176001ND
2014-05-19204185001ND
2014-05-19204187001ND
2014-05-19204189001ND
2014-08-18208140001ND
2014-08-18208141001ND
2014-08-18208143001ND
2014-08-18208144001ND
2014-08-18208140001ND
2014-08-18208141001ND
2014-08-18208143001ND
2014-08-18208144001ND
2014-11-192012533001ND
2014-11-192012533002ND
2014-11-192012533003ND
2014-11-192012533004ND
2014-11-192012533001ND
2014-11-192012533002ND
2014-11-192012533003ND
2014-11-192012533004ND
2015-02-162016095001ND
2015-02-162016095002ND
2015-02-162016095003ND
2015-02-162016095004ND
2015-02-162016095001ND
2015-02-162016095002ND
2015-02-162016095003ND
2015-02-162016095004ND
2015-05-192020147001ND
2015-05-192020147002ND
2015-05-192020147003ND
2015-05-192020147004ND
2015-05-192020147001ND
2015-05-192020147002ND
2015-05-192020147003ND
2015-05-192020147004ND
2015-08-172024411001ND
2015-08-172024411002ND
2015-08-172024411003ND
2015-08-172024411004ND
2015-08-172024411001ND
2015-08-172024411002ND
2015-08-172024411003ND
2015-08-172024411004ND
2015-11-162028659001ND
2015-11-162028659002ND
2015-11-162028659003ND
2015-11-162028659004ND
2015-11-162028659001ND
2015-11-162028659002ND
2015-11-162028659003ND
2015-11-162028659004ND
2016-02-152032553001ND
2016-02-152032553002ND
2016-02-152032553003ND
2016-02-152032553004ND
2016-02-152032553001ND
2016-02-152032553002ND
2016-02-152032553003ND
2016-02-152032553004ND
2016-05-162036714001ND
2016-05-162036714002ND
2016-05-162036714003ND
2016-05-162036714004ND
2016-05-162036714001ND
2016-05-162036714002ND
2016-05-162036714003ND
2016-05-162036714004ND
2016-08-292041872001ND
2016-08-292041872002ND
2016-08-292041872003ND
2016-08-292041872004ND
2016-08-292041872001ND
2016-08-292041872002ND
2016-08-292041872003ND
2016-08-292041872004ND
2016-11-142045715001ND
2016-11-142045715002ND
2016-11-142045715003ND
2016-11-142045715004ND
2016-11-142045715001ND
2016-11-142045715002ND
2016-11-142045715003ND
2016-11-142045715004ND
2017-02-0235292963003ND
2017-02-0235292963004ND
2017-02-0235292963005ND
2017-02-0235292963006ND
2017-02-0235292963003ND
2017-02-0235292963004ND
2017-02-0235292963005ND
2017-02-0235292963006ND
2017-05-0435310607009ND
2017-05-0435310607010ND
2017-05-0435310607011ND
2017-05-0435310607012ND
2017-05-0435310607009ND
2017-05-0435310607010ND
2017-05-0435310607011ND
2017-05-0435310607012ND
2017-08-1835331425001ND
2017-08-1835331425002ND
2017-08-1835331425003ND
2017-08-1835331425004ND
2017-08-1835331425001ND
2017-08-1835331425002ND
2017-08-1835331425003ND
2017-08-1835331425004ND
2017-11-0335346242001ND
2017-11-0335346242002ND
2017-11-03353462420030.610 ppb
2017-11-0335346242004ND
2017-11-0335346242001ND
2017-11-0335346242002ND
2017-11-03353462420030.610 ppb
2017-11-0335346242004ND
2018-02-0235371907001ND
2018-02-0235371907002ND
2018-02-0235371907003ND
2018-02-0235371907004ND
2018-02-0235371907001ND
2018-02-0235371907002ND
2018-02-0235371907003ND
2018-02-0235371907004ND
2018-05-1835393231001ND
2018-05-1835393231002ND
2018-05-1835393231003ND
2018-05-1835393231004ND
2018-05-1835393231001ND
2018-05-1835393231002ND
2018-05-1835393231003ND
2018-05-1835393231004ND
2018-08-0335408663001ND
2018-08-0335408663002ND
2018-08-0335408663003ND
2018-08-0335408663004ND
2018-08-0335408663001ND
2018-08-0335408663002ND
2018-08-0335408663003ND
2018-08-0335408663004ND
2018-11-0135428204001ND
2018-11-0135428204002ND
2018-11-0135428204003ND
2018-11-0135428204004ND
2018-11-0135428204001ND
2018-11-0135428204002ND
2018-11-0135428204003ND
2018-11-0135428204004ND
2019-02-0735447124001ND
2019-02-0735447124002ND
2019-02-0735447124003ND
2019-02-0735447124004ND
2019-02-0735447124001ND
2019-02-0735447124002ND
2019-02-0735447124003ND
2019-02-0735447124004ND
2019-05-0835468287001ND
2019-05-0835468287002ND
2019-05-0835468287003ND
2019-05-0835468287004ND
2019-05-0835468287001ND
2019-05-0835468287002ND
2019-05-0835468287003ND
2019-05-0835468287004ND
2019-08-0635488733001ND
2019-08-0635488733002ND
2019-08-0635488733003ND
2019-08-0635488733004ND
2019-08-0635488733001ND
2019-08-0635488733002ND
2019-08-0635488733003ND
2019-08-0635488733004ND
2019-11-0635511100001ND
2019-11-0635511100002ND
2019-11-0635511100003ND
2019-11-0635511100004ND
2019-11-0635511100001ND
2019-11-0635511100002ND
2019-11-0635511100003ND
2019-11-0635511100004ND