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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Port Mansfield Public Utility 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

 

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
20171.70 ppb42ND - 3.80 ppb
2018ND40ND
2019ND40ND

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
2014-03-03AC45297ND
2014-06-02AC55604ND
2014-07-21AC60369ND
2014-11-17AC72124ND
2015-02-24AC81626ND
2015-05-28AC93773ND
2015-09-21AD07771ND
2015-11-09AD12955ND
2016-02-24AD25334ND
2016-05-16AD36765ND
2016-09-26AD51424ND
2016-11-30AD59560ND
2017-03-13AD746303.80 ppb
2017-05-30AD85880ND
2017-09-05AD947003.00 ppb
2017-11-27AE05738ND
2018-03-06AE16943ND
2018-04-24AE23904ND
2018-09-10AE39762ND
2018-11-14AE46092ND
2019-02-27AE56517ND
2019-04-01AE60647ND
2019-07-01AE72802ND
2019-10-07AE85807ND