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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

City of Columbia

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.

 

216

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND320ND
2013ND320ND
2014ND320ND
20150.291 ppb324ND - 2.79 ppb
2016ND400ND
2017ND480ND

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
2012-02-022120203-22ND
2012-02-022120203-23ND
2012-02-022120203-24ND
2012-02-022120203-25ND
2012-02-022120203-26ND
2012-02-022120203-27ND
2012-02-022120203-28ND
2012-02-022120203-29ND
2012-04-232120424-21ND
2012-04-232120424-22ND
2012-04-242120425-11ND
2012-04-242120425-12ND
2012-04-242120425-13ND
2012-04-242120425-14ND
2012-04-242120425-15ND
2012-04-242120425-16ND
2012-07-232120725-16ND
2012-07-242120725-12ND
2012-07-242120725-13ND
2012-07-242120725-14ND
2012-07-242120725-15ND
2012-07-242120725-17ND
2012-07-242120725-18ND
2012-07-242120725-19ND
2012-10-222121023-7ND
2012-10-222121023-8ND
2012-10-232121024-2ND
2012-10-232121024-3ND
2012-10-232121024-4ND
2012-10-232121024-5ND
2012-10-232121024-6ND
2012-10-232121024-7ND
2013-01-282130129-10ND
2013-01-282130129-9ND
2013-01-302130131-2ND
2013-01-302130131-3ND
2013-01-302130131-4ND
2013-01-302130131-5ND
2013-01-302130131-6ND
2013-01-302130131-7ND
2013-04-222130423-10ND
2013-04-222130423-9ND
2013-04-252130426-2ND
2013-04-252130426-3ND
2013-04-252130426-4ND
2013-04-252130426-5ND
2013-04-252130426-6ND
2013-04-252130426-7ND
2013-07-222130723-35ND
2013-07-222130723-36ND
2013-07-232130724-10ND
2013-07-232130724-11ND
2013-07-232130724-6ND
2013-07-232130724-7ND
2013-07-232130724-8ND
2013-07-232130724-9ND
2013-10-072131008-2ND
2013-10-072131008-3ND
2013-10-072131008-4ND
2013-10-072131008-5ND
2013-10-072131008-6ND
2013-10-072131008-7ND
2013-10-082131009-1ND
2013-10-082131009-2ND
2014-01-142140115-1ND
2014-01-142140115-2ND
2014-01-152140116-2ND
2014-01-152140116-3ND
2014-01-152140116-4ND
2014-01-152140116-5ND
2014-01-152140116-6ND
2014-01-152140116-7ND
2014-04-072140408-2ND
2014-04-072140408-3ND
2014-04-072140408-4ND
2014-04-072140408-5ND
2014-04-072140408-6ND
2014-04-072140408-7ND
2014-04-092140410-1ND
2014-04-092140410-2ND
2014-07-072140708-2ND
2014-07-072140708-3ND
2014-07-072140708-4ND
2014-07-072140708-5ND
2014-07-072140708-6ND
2014-07-072140708-7ND
2014-07-072140708-8ND
2014-07-072140708-9ND
2014-10-132141014-14ND
2014-10-132141014-15ND
2014-10-132141014-16ND
2014-10-132141014-17ND
2014-10-132141014-18ND
2014-10-132141014-19ND
2014-10-132141014-20ND
2014-10-132141014-21ND
2015-01-122150113-2ND
2015-01-122150113-3ND
2015-01-122150113-4ND
2015-01-122150113-5ND
2015-01-122150113-6ND
2015-01-122150113-7ND
2015-01-122150113-8ND
2015-01-122150113-9ND
2015-04-062150408-102.79 ppb
2015-04-062150408-112.22 ppb
2015-04-062150408-12ND
2015-04-062150408-13ND
2015-04-062150408-142.22 ppb
2015-04-062150408-152.08 ppb
2015-04-062150408-16ND
2015-04-062150408-17ND
2015-07-132150717-44ND
2015-07-132150717-45ND
2015-07-132150717-46ND
2015-07-132150717-47ND
2015-07-132150717-48ND
2015-07-132150717-49ND
2015-07-132150717-50ND
2015-07-132150717-51ND
2015-11-092151116-2ND
2015-11-092151116-3ND
2015-11-092151116-4ND
2015-11-092151116-5ND
2015-11-092151116-6ND
2015-11-092151116-7ND
2015-11-092151116-8ND
2015-11-092151116-9ND
2016-01-112160114-03ND
2016-01-112160114-05ND
2016-01-112160114-06ND
2016-01-112160114-04ND
2016-01-112160114-02ND
2016-01-122160114-07ND
2016-01-122160114-08ND
2016-01-132160114-09ND
2016-04-122160413-3ND
2016-04-122160413-5ND
2016-04-122160413-6ND
2016-04-122160413-4ND
2016-04-122160413-9ND
2016-04-122160413-2ND
2016-04-122160413-7ND
2016-04-122160413-8ND
2016-08-242160826-13ND
2016-08-242160826-03ND
2016-08-242160826-05ND
2016-08-242160826-06ND
2016-08-242160826-10ND
2016-08-242160826-11ND
2016-08-242160826-12ND
2016-08-242160826-04ND
2016-08-242160826-09ND
2016-08-242160826-02ND
2016-08-242160826-07ND
2016-08-242160826-08ND
2016-10-112161014-13ND
2016-10-112161014-03ND
2016-10-112161014-05ND
2016-10-112161014-06ND
2016-10-112161014-10ND
2016-10-112161014-11ND
2016-10-112161014-12ND
2016-10-112161014-04ND
2016-10-112161014-09ND
2016-10-112161014-02ND
2016-10-112161014-07ND
2016-10-112161014-08ND
2017-01-112170113-13ND
2017-01-112170113-03ND
2017-01-112170113-05ND
2017-01-112170113-06ND
2017-01-112170113-10ND
2017-01-112170113-11ND
2017-01-112170113-12ND
2017-01-112170113-04ND
2017-01-112170113-09ND
2017-01-112170113-02ND
2017-01-112170113-07ND
2017-01-112170113-08ND
2017-04-102170414-20ND
2017-04-102170414-21ND
2017-04-102170414-22ND
2017-04-102170414-23ND
2017-04-102170414-24ND
2017-04-102170414-27ND
2017-04-102170414-28ND
2017-04-102170414-29ND
2017-04-102170414-30ND
2017-04-102170414-31ND
2017-05-252170526-14ND
2017-05-252170526-15ND
2017-07-102170714-19ND
2017-07-112170714-16ND
2017-07-112170714-17ND
2017-07-112170714-18ND
2017-07-112170714-20ND
2017-07-112170714-21ND
2017-07-112170714-22ND
2017-07-122170714-23ND
2017-07-122170714-24ND
2017-07-122170714-25ND
2017-07-122170714-26ND
2017-07-122170714-27ND
2017-10-092171012-05ND
2017-10-092171012-13ND
2017-10-102171012-02ND
2017-10-102171012-03ND
2017-10-102171012-04ND
2017-10-102171012-06ND
2017-10-102171012-07ND
2017-10-102171012-08ND
2017-10-112171012-09ND
2017-10-112171012-10ND
2017-10-112171012-11ND
2017-10-112171012-12ND