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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Windham Water Works

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

 

80

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015N/A00N/A
2016ND160ND
20170.219 ppb161ND - 3.50 ppb
20180.156 ppb161ND - 2.50 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
2014-02-04BG05717HAA5ND
2014-02-04BG05718HAA5ND
2014-02-04BG05719HAA5ND
2014-02-04BG05716HAA5ND
2014-05-06BG40799HAA5ND
2014-05-06BG40800HAA5ND
2014-05-06BG40801HAA5ND
2014-05-06BG40802HAA5ND
2014-08-05BG87836HAA5ND
2014-08-05BG87835HAA5ND
2014-08-05BG87834HAA5ND
2014-08-05BG87833HAA5ND
2014-11-04BH35675HAA5ND
2014-11-04BH35676HAA5ND
2014-11-04BH35677HAA5ND
2014-11-04BH35678HAA5ND
2016-02-02BK60162HAA5ND
2016-02-02BK60163HAA5ND
2016-02-02BK60164HAA5ND
2016-02-02BK60165HAA5ND
2016-05-03BN23073HAA5ND
2016-05-03BN23075HAA5ND
2016-05-03BN23074HAA5ND
2016-05-03BN23072HAA5ND
2016-08-23BN96438HAA5ND
2016-08-23BN96439HAA5ND
2016-08-23BN96440HAA5ND
2016-08-23BN96437HAA5ND
2016-11-15BV82773HAA5ND
2016-11-15BV82774HAA5ND
2016-11-15BV82775HAA5ND
2016-11-15BV82776HAA5ND
2017-02-07BX47299HAA5ND
2017-02-07BX47301HAA5ND
2017-02-07BX47300HAA5ND
2017-02-14BX59986HAA5ND
2017-05-08BY16523HAA5ND
2017-05-08BY16524HAA5ND
2017-05-08BY16525HAA5ND
2017-05-08BY16526HAA5ND
2017-08-01BY75623HAA53.50 ppb
2017-08-01BY75620HAA5ND
2017-08-01BY75621HAA5ND
2017-08-01BY75622HAA5ND
2017-11-28BZ47146HAA5ND
2017-11-28BZ47147HAA5ND
2017-11-28BZ47148HAA5ND
2017-11-28BZ47145HAA5ND
2018-02-06BZ85068HAA5ND
2018-02-06BZ85069HAA5ND
2018-02-06BZ85070HAA5ND
2018-02-06BZ85071HAA5ND
2018-05-02CA39542HAA5ND
2018-05-02CA39544HAA5ND
2018-05-02CA39543HAA5ND
2018-05-02CA39541HAA5ND
2018-08-06CB05134ND
2018-08-06CB05135ND
2018-08-06CB05136ND
2018-08-06CB051372.50 ppb
2018-11-13CB96505ND
2018-11-13CB96503ND
2018-11-13CB96502ND
2018-11-13CB96504ND
2019-02-05CC40737ND
2019-02-05CC40738ND
2019-02-05CC40739ND
2019-02-05CC40740ND
2019-05-07CD08204ND
2019-05-07CD08203ND
2019-05-07CD08202ND
2019-05-07CD08201ND
2019-08-06CD78542ND
2019-08-06CD78543ND
2019-08-06CD78544ND
2019-08-06CD78545ND
2019-11-13CE59430ND
2019-11-13CE59431ND
2019-11-13CE59432ND
2019-11-13CE59433ND