Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochloroacetic acid

City of West Richland

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
2013N/A00N/A
2014ND160ND
2015ND160ND
2016ND160ND
20170.263 ppb162ND - 2.10 ppb
2018ND160ND
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
2014-02-1207004ND
2014-02-1207002ND
2014-02-1207003ND
2014-02-1207005ND
2014-05-0720040ND
2014-05-0720042ND
2014-05-0720044ND
2014-05-0720033ND
2014-08-1135676ND
2014-08-1135680ND
2014-08-1135678ND
2014-08-1135677ND
2014-11-0545222ND
2014-11-0549945ND
2014-11-0549944ND
2014-11-0549941ND
2015-02-2308145ND
2015-02-2308143ND
2015-02-2308142ND
2015-02-2308144ND
2015-05-0620408ND
2015-05-0620407ND
2015-05-0620406ND
2015-05-0620405ND
2015-08-1338297ND
2015-08-1738684ND
2015-08-1738680ND
2015-08-1738682ND
2015-11-1655647ND
2015-11-1655645ND
2015-11-1655643ND
2015-11-1655641ND
2016-03-09ND
2016-03-09ND
2016-03-09ND
2016-03-09ND
2016-05-10ND
2016-05-10ND
2016-05-10ND
2016-05-10ND
2016-08-03ND
2016-08-03ND
2016-08-03ND
2016-08-03ND
2016-11-14ND
2016-11-14ND
2016-11-14ND
2016-11-14ND
2017-03-012.10 ppb
2017-03-012.10 ppb
2017-03-01ND
2017-03-01ND
2017-05-08ND
2017-05-08ND
2017-05-08ND
2017-05-08ND
2017-08-08ND
2017-08-08ND
2017-08-08ND
2017-08-08ND
2017-11-13ND
2017-11-13ND
2017-11-13ND
2017-11-13ND
2018-03-07ND
2018-03-07ND
2018-03-07ND
2018-03-07ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-05-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-11-13ND
2018-11-13ND
2018-11-13ND
2018-11-13ND
2019-03-12ND
2019-03-12ND
2019-03-12ND
2019-03-12ND
2019-05-08ND
2019-05-08ND
2019-05-08ND
2019-05-08ND
2019-08-13ND
2019-08-13ND
2019-08-13ND
2019-08-13ND
2019-11-13ND
2019-11-13ND
2019-11-13ND
2019-11-13ND