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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Marshall

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

 

96

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
20141.71 ppb169ND - 5.90 ppb
20152.41 ppb1611ND - 4.30 ppb
20161.56 ppb167ND - 5.00 ppb
20171.18 ppb167ND - 4.30 ppb
20182.68 ppb16161.90 ppb - 4.00 ppb
20191.31 ppb1611ND - 3.00 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
2014-03-25Q14097370042.20 ppb
2014-03-25Q1409737003ND
2014-03-25Q14097370022.30 ppb
2014-03-25Q1409737001ND
2014-06-23Q1422892007ND
2014-06-23Q1422892006ND
2014-06-23Q1422892005ND
2014-06-23Q1422892004ND
2014-09-04Q14415760064.50 ppb
2014-09-04Q14415760052.10 ppb
2014-09-04Q14415760013.20 ppb
2014-09-04Q14415760025.90 ppb
2014-12-04Q14585370012.50 ppb
2014-12-04Q14585370042.30 ppb
2014-12-04Q14585370032.40 ppb
2014-12-04Q1458537002ND
2015-03-06Q1508544007ND
2015-03-06Q1508544006ND
2015-03-06Q1508544005ND
2015-03-06Q15085440042.50 ppb
2015-05-12Q15173160014.20 ppb
2015-05-12Q15173160024.30 ppb
2015-05-12Q15173160044.20 ppb
2015-05-12Q15173160033.20 ppb
2015-08-14Q15325140062.40 ppb
2015-08-14Q15325140053.80 ppb
2015-08-14Q1532514004ND
2015-08-14Q1532514003ND
2015-10-15Q15406740043.80 ppb
2015-10-15Q15406740033.50 ppb
2015-10-15Q15406740023.60 ppb
2015-10-15Q15406740013.10 ppb
2016-02-09Q1605514011ND
2016-02-09Q1605514010ND
2016-02-09Q1605514012ND
2016-02-09Q1605514009ND
2016-04-25Q16160170043.50 ppb
2016-04-25Q16160170033.30 ppb
2016-04-25Q16160170023.40 ppb
2016-04-25Q16160170013.80 ppb
2016-07-21Q16298760065.00 ppb
2016-07-21Q1629876005ND
2016-07-21Q16298760043.20 ppb
2016-07-21Q16298760032.70 ppb
2016-10-12Q1643522001ND
2016-10-12Q1643522004ND
2016-10-12Q1643522003ND
2016-10-12Q1643522002ND
2017-01-17Q17020950041.40 ppb
2017-01-17Q17020950082.10 ppb
2017-01-17Q17020950031.70 ppb
2017-01-17Q17020950071.20 ppb
2017-05-09Q1718859002ND
2017-05-09Q1718859001ND
2017-05-09Q1718859004ND
2017-05-09Q1718859003ND
2017-08-03Q17326000014.30 ppb
2017-08-03Q17326000043.90 ppb
2017-08-03Q1732600006ND
2017-08-03Q17326000054.30 ppb
2017-10-23Q1754135002ND
2017-10-23Q1754135004ND
2017-10-23Q1754135001ND
2017-10-23Q1754135003ND
2018-02-01Q18040200053.00 ppb
2018-02-01Q18040200082.00 ppb
2018-02-01Q18040200043.00 ppb
2018-02-01Q18040200072.00 ppb
2018-04-24Q18166370042.80 ppb
2018-04-24Q18166370022.90 ppb
2018-04-24Q18166370012.80 ppb
2018-04-24Q18166370032.90 ppb
2018-07-25Q18295160032.40 ppb
2018-07-25Q18295160021.90 ppb
2018-07-25Q18295160062.30 ppb
2018-07-25Q18295160012.10 ppb
2018-10-17Q18413600044.00 ppb
2018-10-17Q18413600023.10 ppb
2018-10-17Q18413600032.90 ppb
2018-10-17Q18413600012.80 ppb
2019-03-05Q19093130101.50 ppb
2019-03-05Q19093130092.00 ppb
2019-03-05Q19093130113.00 ppb
2019-03-05Q19093130122.70 ppb
2019-05-22Q19277290042.90 ppb
2019-05-22Q1927729003ND
2019-05-22Q19277290022.70 ppb
2019-05-22Q1927729001ND
2019-09-09Q19628780061.40 ppb
2019-09-09Q19628780051.50 ppb
2019-09-09Q19628780041.30 ppb
2019-09-09Q19628780031.000 ppb
2019-11-18Q1977318001ND
2019-11-18Q19773180041.000 ppb
2019-11-18Q1977318003ND
2019-11-18Q1977318002ND