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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

West Wise Special Utility District

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.838 ppb82ND - 3.40 ppb
20130.588 ppb82ND - 2.70 ppb
20142.68 ppb86ND - 5.70 ppb
20154.35 ppb82ND - 27.5 ppb
2016ND80ND
2017ND80ND

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
2012-02-281202742007ND
2012-02-281202742006ND
2012-05-031205150004ND
2012-05-031205150003ND
2012-08-0812084600063.40 ppb
2012-08-0812084600053.30 ppb
2012-11-141211525003ND
2012-11-141211525004ND
2013-02-041302059012ND
2013-02-041302059011ND
2013-06-17Q1302418002ND
2013-06-17Q1302418001ND
2013-09-17Q13073790012.00 ppb
2013-09-17Q13073790022.70 ppb
2013-12-23Q1319255002ND
2013-12-23Q1319255001ND
2014-03-19Q14090010043.40 ppb
2014-03-19Q14090010054.00 ppb
2014-06-24Q1423424002ND
2014-06-24Q14234240012.30 ppb
2014-09-24Q14474220053.70 ppb
2014-09-24Q14474220045.70 ppb
2014-12-08Q14589330022.30 ppb
2014-12-08Q1458933001ND
2015-03-23Q1510861006ND
2015-03-23Q1510861005ND
2015-06-11Q1521679003ND
2015-06-11Q1521679002ND
2015-09-10Q1535194005ND
2015-09-10Q1535194004ND
2015-11-30Q15470710017.30 ppb
2015-11-30Q154707100227.5 ppb
2016-03-17Q1611140005ND
2016-03-17Q1611140004ND
2016-06-21Q1625427001ND
2016-06-21Q1625427002ND
2016-09-08Q1636417005ND
2016-09-08Q1636417004ND
2016-12-06Q1653276002ND
2016-12-06Q1653276001ND
2017-02-27Q1708324004ND
2017-02-27Q1708324005ND
2017-05-16Q1719928001ND
2017-05-16Q1719928002ND
2017-09-25Q1746333005ND
2017-09-25Q1746333004ND
2017-12-14Q1766174002ND
2017-12-14Q1766174001ND