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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Ramsey 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

 

72

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND160ND
20171.73 ppb164ND - 7.20 ppb
20180.328 ppb164ND - 1.80 ppb
20190.118 ppb162ND - 0.940 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
2014-10-231345435ND
2014-10-231345434ND
2014-10-231345435ND
2014-10-231345434ND
2015-10-271439228ND
2015-10-271439229ND
2015-10-271439229ND
2015-10-271439228ND
2016-02-171468302ND
2016-02-171468303ND
2016-02-171468303ND
2016-02-171468302ND
2016-04-191484342ND
2016-04-191484343ND
2016-04-191484343ND
2016-04-191484342ND
2016-07-271511191ND
2016-07-271511192ND
2016-07-271511192ND
2016-07-271511191ND
2016-10-041532078ND
2016-10-041532079ND
2016-10-041532079ND
2016-10-041532078ND
2017-01-1935290141013ND
2017-01-1935290141014ND
2017-01-1935290141014ND
2017-01-1935290141013ND
2017-04-1935307674012ND
2017-04-1935307674011ND
2017-04-1935307674011ND
2017-04-1935307674012ND
2017-07-1935325110002ND
2017-07-1935325110001ND
2017-07-1935325110001ND
2017-07-1935325110002ND
2017-10-05353406590017.20 ppb
2017-10-05353406590026.60 ppb
2017-10-05353406590017.20 ppb
2017-10-05353406590026.60 ppb
2018-01-0535366732001ND
2018-01-0535366732001ND
2018-01-11353683920010.820 ppb
2018-01-11353683920010.820 ppb
2018-04-12353862970011.80 ppb
2018-04-1235386297002ND
2018-04-12353862970011.80 ppb
2018-04-1235386297002ND
2018-07-1835405828002ND
2018-07-1835405828001ND
2018-07-1835405828001ND
2018-07-1835405828002ND
2018-10-0535422542001ND
2018-10-0535422542002ND
2018-10-0535422542001ND
2018-10-0535422542002ND
2019-01-02354402600020.940 ppb
2019-01-0235440260001ND
2019-01-0235440260001ND
2019-01-02354402600020.940 ppb
2019-04-0435459737002ND
2019-04-0435459737002ND
2019-04-0435459737001ND
2019-04-0435459737001ND
2019-07-0235479751002ND
2019-07-0235479751001ND
2019-07-0235479751001ND
2019-07-0235479751002ND
2019-10-0335502870001ND
2019-10-0335502870002ND
2019-10-0335502870001ND
2019-10-0335502870002ND