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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Conway

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
2014ND160ND
20150.303 ppb162ND - 2.45 ppb
2016ND160ND
20170.799 ppb164ND - 3.60 ppb
2018ND160ND
2019ND160ND

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
2014-01-272140128-43ND
2014-01-272140128-44ND
2014-01-272140128-45ND
2014-01-272140128-42ND
2014-04-232140424-2ND
2014-04-232140424-3ND
2014-04-232140424-4ND
2014-04-232140424-5ND
2014-07-232140724-12ND
2014-07-232140724-13ND
2014-07-232140724-14ND
2014-07-232140724-15ND
2014-10-272141028-3ND
2014-10-272141028-5ND
2014-10-272141028-4ND
2014-10-272141028-2ND
2015-01-262150127-2ND
2015-01-262150127-3ND
2015-01-262150127-4ND
2015-01-262150127-5ND
2015-04-272150428-2ND
2015-04-272150428-32.45 ppb
2015-04-272150428-4ND
2015-04-272150428-52.39 ppb
2015-07-282150729-33ND
2015-07-282150729-35ND
2015-07-282150729-34ND
2015-07-282150729-32ND
2015-11-182151119-21ND
2015-11-182151119-22ND
2015-11-182151119-23ND
2015-11-182151119-20ND
2016-02-022160203-05ND
2016-02-022160203-04ND
2016-02-022160203-03ND
2016-02-022160203-02ND
2016-04-272160428-03ND
2016-04-272160428-02ND
2016-04-272160428-04ND
2016-04-272160428-05ND
2016-07-272160728-02ND
2016-07-272160728-03ND
2016-07-272160728-04ND
2016-07-272160728-05ND
2016-12-052161206-02ND
2016-12-052161206-03ND
2016-12-052161206-04ND
2016-12-052161206-05ND
2017-01-302170131-25ND
2017-01-302170131-22ND
2017-01-302170131-23ND
2017-01-302170131-24ND
2017-04-202170421-02ND
2017-04-202170421-03ND
2017-04-202170421-04ND
2017-04-202170421-05ND
2017-08-082170809-053.49 ppb
2017-08-082170809-042.94 ppb
2017-08-082170809-032.76 ppb
2017-08-082170809-023.60 ppb
2017-10-242171025-02ND
2017-10-242171025-03ND
2017-10-242171025-04ND
2017-10-242171025-05ND
2018-01-232180124-21ND
2018-01-232180124-20ND
2018-01-232180124-19ND
2018-01-232180124-18ND
2018-04-242180425-23ND
2018-04-242180425-20ND
2018-04-242180425-21ND
2018-04-242180425-22ND
2018-07-232180724-23ND
2018-07-232180724-22ND
2018-07-232180724-21ND
2018-07-232180724-20ND
2018-10-232181024-32ND
2018-10-232181024-33ND
2018-10-232181024-34ND
2018-10-232181024-35ND
2019-02-072190208-02ND
2019-02-072190208-03ND
2019-02-072190208-04ND
2019-02-072190208-05ND
2019-04-252190426-02ND
2019-04-252190426-05ND
2019-04-252190426-04ND
2019-04-252190426-03ND
2019-07-222190723-31ND
2019-07-222190723-33ND
2019-07-222190723-32ND
2019-07-222190723-30ND
2019-12-112191212-05ND
2019-12-112191212-04ND
2019-12-112191212-03ND
2019-12-112191212-02ND