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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

City of Bryson

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
20131.73 ppb32ND - 2.70 ppb
20143.30 ppb42ND - 10.4 ppb
2015ND40ND
20160.500 ppb51ND - 2.50 ppb
2017ND80ND

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
2012-09-271209B61005ND
2012-09-271209B61004ND
2013-05-28Q13015720022.50 ppb
2013-05-28Q13015720012.70 ppb
2013-11-21Q1314511001ND
2014-03-20Q1409002002ND
2014-06-02Q1418820001ND
2014-09-08Q144245300110.4 ppb
2014-12-18Q14605740012.80 ppb
2015-03-10Q1508922002ND
2015-06-18Q1522989001ND
2015-09-14Q1535393001ND
2015-12-03Q1548047001ND
2016-03-07Q16094630012.50 ppb
2016-05-10Q1618237001ND
2016-09-22Q1639467001ND
2016-12-05Q1652530002ND
2016-12-05Q1652530001ND
2017-03-09Q1710221002ND
2017-03-09Q1710221003ND
2017-05-17Q1720293001ND
2017-05-17Q1720293002ND
2017-09-05Q1740829002ND
2017-09-05Q1740829001ND
2017-11-20Q1759486007ND
2017-11-20Q1759486006ND