Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Monochloroacetic acid

Town of Quintana

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND40ND
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND

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
2012-03-28AB85462ND
2012-05-30AB91225ND
2012-09-05AC00131ND
2012-12-12AC06606ND
2013-02-11AC10168ND
2013-06-10AC21688ND
2013-09-12AC30044ND
2013-11-15AC35476ND
2014-02-12AC42441ND
2014-05-06AC53206ND
2014-07-15AC59766ND
2014-11-25AC73035ND
2015-01-27AC77907ND
2015-04-17AC88764ND
2015-08-13AD04086ND
2015-11-10AD13163ND
2016-01-19AD18563ND
2016-04-11AD32538ND
2016-10-18AD53534ND
2016-12-07AD60872ND
2017-02-15AD70835ND
2017-05-09AD83286ND
2017-08-21AD93716ND
2017-10-10AE00039ND