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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Ramsey Water Department

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
20163.60 ppb166ND - 13.4 ppb
20171.00 ppb165ND - 6.20 ppb
20180.621 ppb167ND - 1.99 ppb
2019ND160ND

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
2014-02-1214022228-001ND
2014-02-1214022228-002ND
2014-02-1214022228-003ND
2014-02-1214022228-004ND
2014-05-1214052347-002ND
2014-05-1214052347-003ND
2014-05-1214052347-001ND
2014-05-1214052347-004ND
2014-08-1114081187-002ND
2014-08-1114081187-003ND
2014-08-1114081187-001ND
2014-08-1114081187-004ND
2014-11-10L5323439-3ND
2014-11-10L5323439-2ND
2014-11-10L5323439-1ND
2014-11-10L5323439-4ND
2015-02-111505372-04ND
2015-02-111505372-02ND
2015-02-111505272-01ND
2015-02-111505372-03ND
2015-05-111505B83-004ND
2015-05-111505B83-001ND
2015-05-111505B83-002ND
2015-05-111505B83-003ND
2015-08-111508C62-004ND
2015-08-111508C62-001ND
2015-08-111508C62-002ND
2015-08-111508C62-003ND
2015-11-16L5808907-1ND
2015-11-16L5808907-4ND
2015-11-16L5808907-2ND
2015-11-16L5808907-3ND
2016-02-11L6068465-2ND
2016-02-11L6068465-4ND
2016-02-11L6068465-1ND
2016-02-11L6068465-3ND
2016-05-16HA053116-1510.00 ppb
2016-05-16HA053116-1713.4 ppb
2016-05-16HA053116-189.02 ppb
2016-05-16HA053116-1610.8 ppb
2016-08-15HA083116A-15ND
2016-08-15HA083116A-1712.8 ppb
2016-08-15HA083116A-181.63 ppb
2016-08-15HA083116A-16ND
2016-11-15HA113016-11ND
2016-11-15HA113016-10ND
2016-11-15HA113016-13ND
2016-11-15HA113016-12ND
2017-02-13HA030317-18ND
2017-02-13HA030317-16ND
2017-02-13HA030317-19ND
2017-02-13HA030317-17ND
2017-05-10HA022117-29ND
2017-05-10HA022117-281.61 ppb
2017-05-10HA022117-26ND
2017-05-10HA022117-27ND
2017-08-14HA082717-396.20 ppb
2017-08-14HA082717-373.65 ppb
2017-08-14HA082717-382.47 ppb
2017-08-14HA082717-402.14 ppb
2017-11-137035620002ND
2017-11-137035620004ND
2017-11-137035620003ND
2017-11-137035620001ND
2018-02-12HA022518-230.720 ppb
2018-02-12HA022518-201.35 ppb
2018-02-12HA022518-211.99 ppb
2018-02-12HA022518-221.97 ppb
2018-05-14HA052718-36ND
2018-05-14HA052718-33ND
2018-05-14HA052718-350.770 ppb
2018-05-14HA052718-341.44 ppb
2018-08-13HA082918-40ND
2018-08-13HA082918-391.70 ppb
2018-08-13HA082918-41ND
2018-08-13HA082918-38ND
2018-11-137070989003-HAAND
2018-11-137070989002-HAAND
2018-11-137070989004-HAAND
2018-11-137070989001-HAAND
2019-02-117079193001-HAAND
2019-02-117079193004-HAAND
2019-02-117079193002-HAAND
2019-02-117079193003-HAAND
2019-05-137089526004-HAAND
2019-05-137089526003-HAAND
2019-05-137089526001-HAAND
2019-05-137089526002-HAAND
2019-08-1270101003004-HAAND
2019-08-1270101003001-HAAND
2019-08-1270101003002-HAAND
2019-08-1270101003003-HAAND
2019-11-1270111644001-HAAND
2019-11-1270111644002-HAAND
2019-11-1270111644003-HAAND
2019-11-1270111644004-HAAND