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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Coke County Water Supply Corporation

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.

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.18 ppb41ND - 8.70 ppb
20131.15 ppb41ND - 4.60 ppb
20143.20 ppb64ND - 6.50 ppb
2015ND80ND
2016ND80ND
20170.513 ppb81ND - 4.10 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
2012-03-07AB83206ND
2012-06-07AB92041ND
2012-09-18AC01275ND
2012-12-1212125350028.70 ppb
2013-03-2513038510024.60 ppb
2013-06-04Q1301834001ND
2013-09-23Q1308202001ND
2013-12-17Q1318305001ND
2014-02-19Q14055690014.80 ppb
2014-06-12Q1421061001ND
2014-09-16Q14454790026.50 ppb
2014-09-16Q1445479001ND
2014-11-24Q14573230024.70 ppb
2014-11-24Q14573230013.20 ppb
2015-03-30Q1511526003ND
2015-03-30Q1511526002ND
2015-05-26Q1519131001ND
2015-06-23Q1523351001ND
2015-07-06Q1525321002ND
2015-07-06Q1525321001ND
2015-11-23Q1546366002ND
2015-11-23Q1546366001ND
2016-03-23Q1612060002ND
2016-03-23Q1612060001ND
2016-06-09Q1623325003ND
2016-06-09Q1623325002ND
2016-08-01Q1632170001ND
2016-08-01Q1632170002ND
2016-11-08Q1648673002ND
2016-11-08Q1648673001ND
2017-03-20Q1711749001ND
2017-03-29Q1713156001ND
2017-06-07Q1724055002ND
2017-06-07Q1724055001ND
2017-09-13Q1743224001ND
2017-09-13Q1743224002ND
2017-11-08Q1757315003ND
2017-11-08Q17573150024.10 ppb