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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Spring Creek Subdivision 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

 

82

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND80ND
2016ND100ND
20171.21 ppb164ND - 5.90 ppb
20182.43 ppb1610ND - 8.20 ppb
20191.50 ppb1612ND - 2.60 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
2014-03-171285886ND
2014-03-171285885ND
2014-03-171285886ND
2014-03-171285885ND
2014-06-231312496ND
2014-06-231312497ND
2014-06-231312497ND
2014-06-231312496ND
2014-09-111334039ND
2014-09-111334040ND
2014-09-111334040ND
2014-09-111334039ND
2014-12-151359345ND
2014-12-151359345ND
2014-12-171359346ND
2014-12-171359346ND
2015-03-241381837ND
2015-03-241381838ND
2015-03-241381838ND
2015-03-241381837ND
2015-06-151403231ND
2015-06-151403232ND
2015-06-151403232ND
2015-06-151403231ND
2016-03-231477240ND
2016-03-231477240ND
2016-06-021497348ND
2016-06-021497349ND
2016-06-021497348ND
2016-06-021497349ND
2016-09-141525957ND
2016-09-141525955ND
2016-09-141525957ND
2016-09-141525955ND
2017-03-0135298611006ND
2017-03-0135298611005ND
2017-03-0135298611005ND
2017-03-0135298611006ND
2017-06-2035320087006ND
2017-06-2035320087005ND
2017-06-2035320087005ND
2017-06-2035320087006ND
2017-09-21353374520113.80 ppb
2017-09-21353374520125.90 ppb
2017-09-21353374520125.90 ppb
2017-09-21353374520113.80 ppb
2017-12-0135360527002ND
2017-12-0135360527001ND
2017-12-0135360527002ND
2017-12-0135360527001ND
2018-03-08353793050018.20 ppb
2018-03-0835379305002ND
2018-03-08353793050018.20 ppb
2018-03-0835379305002ND
2018-06-08353972700012.40 ppb
2018-06-08353972700012.40 ppb
2018-06-1935399872001ND
2018-06-1935399872001ND
2018-09-13354179250012.80 ppb
2018-09-13354179250022.40 ppb
2018-09-13354179250012.80 ppb
2018-09-13354179250022.40 ppb
2018-12-18354384860013.60 ppb
2018-12-1835438486002ND
2018-12-18354384860013.60 ppb
2018-12-1835438486002ND
2019-03-0735453191002ND
2019-03-0735453191001ND
2019-03-0735453191001ND
2019-03-0735453191002ND
2019-06-06354739150022.10 ppb
2019-06-06354739150022.10 ppb
2019-06-06354739150012.60 ppb
2019-06-06354739150012.60 ppb
2019-09-05354956950021.60 ppb
2019-09-05354956950011.90 ppb
2019-09-05354956950011.90 ppb
2019-09-05354956950021.60 ppb
2019-12-05355169180012.00 ppb
2019-12-05355169180021.80 ppb
2019-12-05355169180012.00 ppb
2019-12-05355169180021.80 ppb