Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochloroacetic acid

Village of Calvin Water System

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
20170.188 ppb162ND - 1.50 ppb
20180.588 ppb166ND - 1.90 ppb
20190.800 ppb168ND - 2.20 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
2014-03-281288852ND
2014-03-281288851ND
2014-03-281288852ND
2014-03-281288851ND
2014-06-131309750ND
2014-06-131309751ND
2014-06-131309751ND
2014-06-131309750ND
2014-09-031331196ND
2014-09-031331197ND
2014-09-031331197ND
2014-09-031331196ND
2014-12-121357457ND
2014-12-121357458ND
2014-12-121357458ND
2014-12-121357457ND
2015-03-181380173ND
2015-03-181380174ND
2015-03-181380174ND
2015-03-181380173ND
2015-06-241405362ND
2015-06-241405363ND
2015-06-241405363ND
2015-06-241405362ND
2015-08-171420009ND
2015-08-171420008ND
2015-08-171420009ND
2015-08-171420008ND
2015-11-231446344ND
2015-11-231446345ND
2015-11-231446345ND
2015-11-231446344ND
2016-02-241469902ND
2016-02-241469903ND
2016-02-241469903ND
2016-02-241469902ND
2016-05-251494245ND
2016-05-251494244ND
2016-05-251494245ND
2016-05-251494244ND
2016-08-151516450ND
2016-08-151516451ND
2016-08-151516451ND
2016-08-151516450ND
2016-11-181542483ND
2016-11-181542484ND
2016-11-181542484ND
2016-11-181542483ND
2017-02-1635296089004ND
2017-02-1635296089003ND
2017-02-1635296089003ND
2017-02-1635296089004ND
2017-05-0935311610015ND
2017-05-0935311610015ND
2017-05-09353116100161.50 ppb
2017-05-09353116100161.50 ppb
2017-08-1435331253009ND
2017-08-1435331253010ND
2017-08-1435331253009ND
2017-08-1435331253010ND
2017-11-0835347271002ND
2017-11-0835347271001ND
2017-11-0835347271001ND
2017-11-0835347271002ND
2018-02-14353743600021.40 ppb
2018-02-1435374360001ND
2018-02-14353743600021.40 ppb
2018-02-1435374360001ND
2018-05-2235394331002ND
2018-05-2235394331002ND
2018-05-2235394331001ND
2018-05-2235394331001ND
2018-08-2735414238002ND
2018-08-27354142380011.40 ppb
2018-08-27354142380011.40 ppb
2018-08-2735414238002ND
2018-11-26354337910011.90 ppb
2018-11-2635433791002ND
2018-11-26354337910011.90 ppb
2018-11-2635433791002ND
2019-02-25354504110021.10 ppb
2019-02-25354504110011.10 ppb
2019-02-25354504110011.10 ppb
2019-02-25354504110021.10 ppb
2019-05-2235470501002ND
2019-05-2235470501002ND
2019-05-22354705010012.20 ppb
2019-05-22354705010012.20 ppb
2019-08-2635494520002ND
2019-08-26354945200012.00 ppb
2019-08-26354945200012.00 ppb
2019-08-2635494520002ND
2019-11-2535515007001ND
2019-11-2535515007002ND
2019-11-2535515007001ND
2019-11-2535515007002ND