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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Murray 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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.25 ppb85ND - 2.00 ppb
20151.25 ppb82ND - 5.00 ppb
2016ND80ND
2017ND100ND
2018ND80ND
20190.500 ppb82ND - 2.00 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
2014-02-1020344572.00 ppb
2014-02-1320344702.00 ppb
2014-05-2220538882.00 ppb
2014-05-2220538872.00 ppb
2014-08-122072787ND
2014-08-122072788ND
2014-11-1320933172.00 ppb
2014-11-132093318ND
2015-02-11OE213866ND
2015-02-11OE213865ND
2015-05-05OE240614ND
2015-05-05OE240615ND
2015-08-17OE2817705.00 ppb
2015-08-17OE2817715.00 ppb
2015-11-10OE316147ND
2015-11-10OE316148ND
2016-02-09OE343475ND
2016-02-09OE343474ND
2016-05-10OE376078ND
2016-05-10OE376079ND
2016-08-08OE412597ND
2016-08-09OE412596ND
2016-11-08OE449871ND
2016-11-08OE449872ND
2017-02-14OE480654ND
2017-02-14OE480655ND
2017-05-09OE510967ND
2017-05-09OE510968ND
2017-08-08OE548062ND
2017-08-08OE548063ND
2017-09-13OE565018ND
2017-09-13OE565017ND
2017-11-14OE590039ND
2017-11-14OE590038ND
2018-02-12OE621995ND
2018-02-12OE621994ND
2018-05-08OE655022ND
2018-05-08OE655023ND
2018-08-07OE695211ND
2018-08-07OE695212ND
2018-11-07OE737421ND
2018-11-07OE737422ND
2019-02-12OE770342ND
2019-02-12OE770343ND
2019-05-14OE8076202.00 ppb
2019-05-14OE807621ND
2019-08-13OE849108ND
2019-08-13OE8491092.00 ppb
2019-11-12OE892482ND
2019-11-12OE892481ND