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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Chickasha Municipal Authority

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
2013N/A00N/A
20142.39 ppb2016ND - 4.20 ppb
20151.08 ppb166ND - 3.50 ppb
2016ND160ND
2017ND160ND
2018ND160ND
20190.360 ppb162ND - 3.21 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
2014-01-07038082.0082.40 ppb
2014-01-07038082.0062.90 ppb
2014-01-07038082.004ND
2014-01-07038082.0023.00 ppb
2014-03-12040330.0082.50 ppb
2014-03-12040330.0062.40 ppb
2014-03-12040330.0043.00 ppb
2014-03-12040330.0022.40 ppb
2014-06-26043585.0084.10 ppb
2014-06-26043585.006ND
2014-06-26043585.0042.70 ppb
2014-06-26043585.0023.40 ppb
2014-09-25047470.0084.20 ppb
2014-09-25047470.0024.00 ppb
2014-09-25047470.0042.70 ppb
2014-09-25047470.0062.70 ppb
2014-12-03051033.0082.70 ppb
2014-12-03051033.006ND
2014-12-03051033.004ND
2014-12-03051033.0022.60 ppb
2015-03-03053908.0082.60 ppb
2015-03-03053908.0062.50 ppb
2015-03-03053908.004ND
2015-03-03053908.0022.60 ppb
2015-06-03057021.0083.20 ppb
2015-06-03057021.0023.50 ppb
2015-06-03057021.004ND
2015-06-03057021.0062.90 ppb
2015-09-161427973ND
2015-09-161427971ND
2015-09-161427969ND
2015-09-161427959ND
2015-12-161452289ND
2015-12-161452287ND
2015-12-161452285ND
2015-12-161452282ND
2016-03-231477271ND
2016-03-231477269ND
2016-03-231477270ND
2016-03-231477272ND
2016-06-221501681ND
2016-06-221501679ND
2016-06-221501677ND
2016-06-221501675ND
2016-09-211526602ND
2016-09-211526600ND
2016-09-211526598ND
2016-09-211526596ND
2016-12-081547102ND
2016-12-081547101ND
2016-12-081547100ND
2016-12-081547098ND
2017-03-221573881ND
2017-03-221573879ND
2017-03-221573877ND
2017-03-221573873ND
2017-06-141596471ND
2017-06-141596469ND
2017-06-141596467ND
2017-06-141596465ND
2017-10-261633633ND
2017-10-261633631ND
2017-10-261633632ND
2017-10-261633634ND
2017-12-121645939ND
2017-12-121645938ND
2017-12-121645937ND
2017-12-121645936ND
2018-03-21AC21086-04ND
2018-03-21AC21086-03ND
2018-03-21AC21086-02ND
2018-03-21AC21086-01ND
2018-06-27AF27157-02ND
2018-06-27AF27157-01ND
2018-06-27AF27157-03ND
2018-06-27AF27157-04ND
2018-09-26AI26153-04ND
2018-09-26AI26153-03ND
2018-09-26AI26153-02ND
2018-09-26AI26153-01ND
2018-12-18AL19042-04RE1ND
2018-12-18AL19042-03RE1ND
2018-12-18AL19042-02RE1ND
2018-12-18AL19042-01RE1ND
2019-03-27BC27039-033.21 ppb
2019-03-27BC27039-01ND
2019-03-27BC27039-02ND
2019-03-27BC27039-042.55 ppb
2019-06-26BF26127-04ND
2019-06-26BF26127-03ND
2019-06-26BF26127-02ND
2019-06-26BF26127-01ND
2019-09-25BI25057-04ND
2019-09-25BI25057-03ND
2019-09-25BI25057-02ND
2019-09-25BI25057-01ND
2019-12-17BL18047-02ND
2019-12-17BL18047-03ND
2019-12-17BL18047-04ND
2019-12-17BL18047-01ND