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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Troy Public Utilities

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

 

23

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017ND40ND
2018ND30ND
20190.800 ppb165ND - 3.40 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
2017-11-17TROY4Q-SITE3ND
2017-11-17TROY4Q-SITE2ND
2017-11-17TROY4Q-SITE4ND
2017-11-17TROY4Q-1ND
2018-08-14T9252018-2ND
2018-08-14T9252018-3ND
2018-09-25T9252018ND
2019-02-137079833004ND
2019-02-1370798330062.10 ppb
2019-02-137079833005ND
2019-02-137079833003ND
2019-05-157090046002ND
2019-05-1570900460012.40 ppb
2019-05-157090046003ND
2019-05-157090046004ND
2019-08-1470101604004ND
2019-08-1470101604002ND
2019-08-1470101604003ND
2019-08-1470101604005ND
2019-11-1370112356003ND
2019-11-13701123560042.40 ppb
2019-11-13701123560023.40 ppb
2019-11-13701123560012.50 ppb