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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Ashland City

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
2015ND160ND
2016ND160ND
20172.22 ppb1610ND - 5.71 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
2014-01-02A140148552ND
2014-01-02A140148550ND
2014-01-02A140148549ND
2014-01-02A140148551ND
2014-04-03A140180048ND
2014-04-03A140085174ND
2014-04-03A140085173ND
2014-04-03A140085172ND
2014-07-02A140197362ND
2014-07-02A140197361ND
2014-07-02A140197363ND
2014-07-02A140197364ND
2014-10-02A140217209ND
2014-10-02A140217210ND
2014-10-02A140217211ND
2014-10-02A140217212ND
2015-01-06A150217427ND
2015-01-06A150217424ND
2015-01-06A150217425ND
2015-01-06A150217426ND
2015-04-02A150232022ND
2015-04-02A150232023ND
2015-04-02A150232021ND
2015-04-02A150232020ND
2015-07-01A150285241ND
2015-07-01A150285240ND
2015-07-01A150285239ND
2015-07-01A150285238ND
2015-10-01A150331583ND
2015-10-01A150331586ND
2015-10-01A150331585ND
2015-10-01A150331584ND
2016-01-07A160311202ND
2016-01-07A160311203ND
2016-01-07A160311204ND
2016-01-07A160311205ND
2016-04-07A160374848ND
2016-04-07A160374851ND
2016-04-07A160374850ND
2016-04-07A160374849ND
2016-07-07A160338266ND
2016-07-07A160338267ND
2016-07-07A160338268ND
2016-07-07A160338269ND
2016-10-05A160399681ND
2016-10-05A160399682ND
2016-10-05A160399683ND
2016-10-05A160399684ND
2017-01-05A170452000ND
2017-01-05A170451999ND
2017-01-05A170451998ND
2017-01-05A170451997ND
2017-04-04170403961.98 ppb
2017-04-04170403972.04 ppb
2017-04-0417040398ND
2017-04-0417040399ND
2017-07-05170704394.35 ppb
2017-07-05170704384.85 ppb
2017-07-05170704413.73 ppb
2017-07-05170704405.71 ppb
2017-10-04171005682.44 ppb
2017-10-04171005694.23 ppb
2017-10-04171005672.51 ppb
2017-10-04171005663.62 ppb
2018-01-0318010255ND
2018-01-0318010256ND
2018-01-0318010257ND
2018-01-0318010258ND
2018-04-05A180587719ND
2018-04-05A180587720ND
2018-04-05A180587742ND
2018-04-05A180587743ND
2018-07-05A180593192ND
2018-07-05A180593191ND
2018-07-05A180593189ND
2018-07-05A180593190ND
2018-10-04A180614400ND
2018-10-04A180621544ND
2018-10-04A180621545ND
2018-10-04A180621546ND
2019-01-039A00674-04ND
2019-01-039A00674-03ND
2019-01-039A00674-02ND
2019-01-039A00674-01ND
2019-04-0319041254ND
2019-04-0319041253ND
2019-04-0319041252ND
2019-04-0319041251ND
2019-07-0319070879ND
2019-07-0319070880ND
2019-07-0319070881ND
2019-07-0319070882ND
2019-10-0719101291ND
2019-10-0719101292ND
2019-10-0719101293ND
2019-10-0719101294ND