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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Denison

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

 

100

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.155 ppb201ND - 3.10 ppb
20150.844 ppb163ND - 4.70 ppb
20160.450 ppb161ND - 7.20 ppb
2017ND160ND
20183.13 ppb16161.60 ppb - 5.00 ppb
20192.24 ppb1612ND - 3.60 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
2014-02-25Q1406059004ND
2014-02-25Q1406059003ND
2014-02-25Q1406059002ND
2014-02-25Q14060590013.10 ppb
2014-06-03Q1419061004ND
2014-06-03Q1419061003ND
2014-06-03Q1419061002ND
2014-06-03Q1419061001ND
2014-09-05Q1441957004ND
2014-09-05Q1441957003ND
2014-09-05Q1441957002ND
2014-09-05Q1441957001ND
2014-09-29Q1449289004ND
2014-09-29Q1449289001ND
2014-09-29Q1449289002ND
2014-09-29Q1449289003ND
2014-12-03Q1458291004ND
2014-12-03Q1458291003ND
2014-12-03Q1458291002ND
2014-12-03Q1458291001ND
2015-03-03Q1507894006ND
2015-03-03Q1507894005ND
2015-03-03Q1507894004ND
2015-03-03Q1507894003ND
2015-06-15Q15220520104.50 ppb
2015-06-15Q1522052007ND
2015-06-15Q15220520084.30 ppb
2015-06-15Q15220520094.70 ppb
2015-09-09Q1535063004ND
2015-09-09Q1535063003ND
2015-09-09Q1535063002ND
2015-09-09Q1535063001ND
2015-11-12Q1544566004ND
2015-11-12Q1544566003ND
2015-11-12Q1544566002ND
2015-11-12Q1544566001ND
2016-02-16Q1606768019ND
2016-02-16Q1606768017ND
2016-02-16Q1606768018ND
2016-02-16Q1606768020ND
2016-05-03Q1617227004ND
2016-05-03Q1617227003ND
2016-05-03Q16172270027.20 ppb
2016-05-03Q1617227001ND
2016-08-03Q1632105004ND
2016-08-03Q1632105003ND
2016-08-03Q1632105002ND
2016-08-03Q1632105001ND
2016-11-02Q1647150003ND
2016-11-02Q1647150004ND
2016-11-02Q1647150002ND
2016-11-02Q1647150001ND
2017-02-07Q1705466010ND
2017-02-07Q1705466009ND
2017-02-07Q1705466008ND
2017-02-07Q1705466007ND
2017-05-03Q1718428004ND
2017-05-03Q1718428003ND
2017-05-03Q1718428002ND
2017-05-03Q1718428001ND
2017-08-08Q1733790013ND
2017-08-08Q1733790011ND
2017-08-08Q1733790012ND
2017-08-08Q1733790014ND
2017-11-13Q1757967004ND
2017-11-13Q1757967003ND
2017-11-13Q1757967002ND
2017-11-13Q1757967001ND
2018-03-13Q18105180073.60 ppb
2018-03-13Q18105180063.40 ppb
2018-03-13Q18105180023.70 ppb
2018-03-13Q18105180013.70 ppb
2018-05-15Q18199520024.60 ppb
2018-05-15Q18199520014.50 ppb
2018-05-15Q18199520044.90 ppb
2018-05-15Q18199520035.00 ppb
2018-08-30Q18350580041.60 ppb
2018-08-30Q18350580031.80 ppb
2018-08-30Q18350580021.90 ppb
2018-08-30Q18350580011.80 ppb
2018-12-04Q18497270031.80 ppb
2018-12-04Q18497270051.80 ppb
2018-12-04Q18497270043.10 ppb
2018-12-04Q18497270022.80 ppb
2019-03-04Q19093640132.50 ppb
2019-03-04Q19093640113.00 ppb
2019-03-04Q19093640123.20 ppb
2019-03-04Q19093640142.30 ppb
2019-05-14Q19250160053.30 ppb
2019-05-14Q19250160043.60 ppb
2019-05-14Q19250160033.50 ppb
2019-05-14Q19250160023.30 ppb
2019-08-27Q19604660052.80 ppb
2019-08-27Q19604660042.90 ppb
2019-08-27Q19604660032.70 ppb
2019-08-27Q19604660022.70 ppb
2019-11-04Q1975058003ND
2019-11-04Q1975058004ND
2019-11-04Q1975058005ND
2019-11-04Q1975058002ND