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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Windermere Community

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
2014ND160ND
2015ND160ND
2016ND160ND
2017ND160ND
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
2014-03-12AC46745ND
2014-03-12AC46750ND
2014-03-12AC46753ND
2014-03-12AC46749ND
2014-06-24AC57903ND
2014-06-24AC57897ND
2014-06-24AC57900ND
2014-06-24AC57904ND
2014-08-27AC65308ND
2014-08-27AC65307ND
2014-08-27AC65305ND
2014-08-27AC65311ND
2014-11-24AC72742ND
2014-11-24AC72778ND
2014-11-24AC72779ND
2014-11-24AC72780ND
2015-03-19AC85269ND
2015-03-19AC85268ND
2015-03-19AC85266ND
2015-03-19AC85264ND
2015-05-26AC93255ND
2015-05-26AC93262ND
2015-05-26AC93260ND
2015-05-26AC93259ND
2015-08-05AD02618ND
2015-08-05AD02617ND
2015-08-05AD02616ND
2015-08-05AD02610ND
2015-11-04AD12618ND
2015-11-04AD12621ND
2015-11-04AD12561ND
2015-11-04AD12624ND
2016-02-09AD22736ND
2016-02-09AD22734ND
2016-02-09AD22738ND
2016-02-09AD22737ND
2016-04-27AD34412ND
2016-04-27AD34413ND
2016-04-27AD34397ND
2016-04-27AD34398ND
2016-09-06AD47862ND
2016-09-06AD47870ND
2016-09-06AD47867ND
2016-09-06AD47866ND
2016-11-09AD57371ND
2016-11-09AD57352ND
2016-11-09AD57370ND
2016-11-09AD57363ND
2017-03-13AD74621ND
2017-03-13AD74620ND
2017-03-13AD74623ND
2017-03-13AD74622ND
2017-05-01AD81795ND
2017-05-01AD81793ND
2017-05-01AD81799ND
2017-05-01AD81790ND
2017-08-21AD93508ND
2017-08-21AD93503ND
2017-08-21AD93504ND
2017-08-21AD93499ND
2017-12-05AE06744ND
2017-12-05AE06743ND
2017-12-05AE06742ND
2017-12-07AE07187ND
2018-02-12AE13249ND
2018-02-12AE13233ND
2018-02-12AE13251ND
2018-02-12AE13235ND
2018-04-04AE21184ND
2018-04-04AE21186ND
2018-04-04AE21189ND
2018-04-04AE21196ND
2018-08-06AE35792ND
2018-08-06AE35794ND
2018-08-06AE35793ND
2018-08-06AE35795ND
2018-11-06AE45345ND
2018-11-06AE45344ND
2018-11-06AE45347ND
2018-11-06AE45346ND
2019-01-22AE50668ND
2019-01-22AE50664ND
2019-01-22AE50667ND
2019-03-05AE57106ND
2019-05-06AE64839ND
2019-05-06AE64832ND
2019-05-06AE64840ND
2019-05-06AE64836ND
2019-08-07AE77421ND
2019-08-07AE77419ND
2019-08-07AE77417ND
2019-08-07AE77404ND
2019-12-10AE91876ND
2019-12-10AE91881ND
2019-12-10AE91873ND
2019-12-10AE91883ND