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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Graham

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

 

66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.16 ppb83ND - 3.60 ppb
20150.975 ppb82ND - 4.40 ppb
2016ND80ND
2017ND100ND
20182.36 ppb1615ND - 3.60 ppb
20191.86 ppb1611ND - 3.50 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
2014-03-19Q1409109002ND
2014-03-19Q1409109001ND
2014-06-09Q14200550022.20 ppb
2014-06-09Q1420055001ND
2014-08-13Q1436357002ND
2014-08-13Q1436357001ND
2014-10-13Q14520290023.60 ppb
2014-10-13Q14520290013.50 ppb
2015-03-04Q1508358005ND
2015-03-04Q1508358004ND
2015-06-22Q1523139002ND
2015-06-22Q1523139001ND
2015-09-24Q15376770023.40 ppb
2015-09-24Q15376770014.40 ppb
2015-12-08Q1548708001ND
2015-12-08Q1548708002ND
2016-03-22Q1611821010ND
2016-03-22Q1611821009ND
2016-06-08Q1623030002ND
2016-06-08Q1623030001ND
2016-09-22Q1639469002ND
2016-09-22Q1639469001ND
2016-12-05Q1652531002ND
2016-12-05Q1652531001ND
2017-03-09Q1710223006ND
2017-03-09Q1710223005ND
2017-05-17Q1720294001ND
2017-05-17Q1720294002ND
2017-09-05Q1740831004ND
2017-09-05Q1740831003ND
2017-11-21Q1759649003ND
2017-11-21Q1759649004ND
2017-11-21Q1759649002ND
2017-11-21Q1759649001ND
2018-02-26Q18077340033.50 ppb
2018-02-26Q18077340013.40 ppb
2018-02-26Q18077340043.50 ppb
2018-02-26Q18077340023.60 ppb
2018-05-10Q18194210042.30 ppb
2018-05-10Q18194210082.10 ppb
2018-05-10Q1819421003ND
2018-05-10Q18194210012.20 ppb
2018-08-20Q18332390021.30 ppb
2018-08-20Q18332390061.80 ppb
2018-08-20Q18332390011.60 ppb
2018-08-20Q18332390051.60 ppb
2018-11-26Q18478810022.80 ppb
2018-11-26Q18478810012.90 ppb
2018-11-26Q18478810032.40 ppb
2018-11-26Q18478810042.70 ppb
2019-02-14Q19070610123.50 ppb
2019-02-14Q19070610042.70 ppb
2019-02-14Q19070610111.90 ppb
2019-02-14Q19070610033.30 ppb
2019-05-20Q19268810042.70 ppb
2019-05-20Q19268810033.10 ppb
2019-05-20Q19268810022.90 ppb
2019-05-20Q19268810012.50 ppb
2019-09-18Q1966402006ND
2019-09-18Q19664020042.60 ppb
2019-09-18Q1966402003ND
2019-09-18Q1966402005ND
2019-11-18Q1977155003ND
2019-11-18Q1977155004ND
2019-11-18Q19771550052.20 ppb
2019-11-18Q19771550022.40 ppb