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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Badger Mountain Irrigation District

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

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.253 ppb81ND - 2.02 ppb
20150.392 ppb61ND - 2.35 ppb
20160.269 ppb81ND - 2.15 ppb
2017ND20ND
2018ND60ND
20190.367 ppb86ND - 0.768 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
2014-01-2494397ND
2014-01-2494399ND
2014-04-0796496ND
2014-04-0796494ND
2014-07-21006622.02 ppb
2014-07-2100660ND
2014-11-2455098ND
2014-11-2455096ND
2015-02-2757729ND
2015-02-2757727ND
2015-05-2660550ND
2015-05-26605482.35 ppb
2015-08-2764912ND
2015-08-2764910ND
2016-03-07ND
2016-03-07ND
2016-05-31ND
2016-05-312.15 ppb
2016-08-09ND
2016-08-09ND
2016-11-17ND
2016-11-17ND
2017-02-21ND
2017-02-21ND
2018-02-26ND
2018-02-26ND
2018-08-23ND
2018-08-23ND
2018-11-28ND
2018-11-28ND
2019-02-270.710 ppb
2019-02-270.590 ppb
2019-04-110.768 ppb
2019-04-110.278 ppb
2019-08-080.315 ppb
2019-08-080.271 ppb
2019-11-07ND
2019-11-07ND