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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Southern Manor M H P

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
20180.495 ppb42ND - 0.990 ppb
20198.40 ppb448.10 ppb - 8.70 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
2014-08-261330242ND
2014-08-261330241ND
2014-08-261330242ND
2014-08-261330241ND
2015-08-241422123ND
2015-08-241422123ND
2015-08-241422124ND
2015-08-241422124ND
2016-08-171517637ND
2016-08-171517638ND
2016-08-171517638ND
2016-08-171517637ND
2017-08-0335328344051ND
2017-08-0335328344051ND
2017-08-0335328344050ND
2017-08-0335328344050ND
2018-08-03354087430020.990 ppb
2018-08-0335408743001ND
2018-08-0335408743001ND
2018-08-03354087430020.990 ppb
2019-08-09354891000018.70 ppb
2019-08-09354891000028.10 ppb
2019-08-09354891000018.70 ppb
2019-08-09354891000028.10 ppb