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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Kennewick

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

 

185

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND330ND
2015ND320ND
2016ND240ND
2017ND320ND
20180.0656 ppb321ND - 2.10 ppb
2019ND320ND

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
2014-03-2095865ND
2014-03-2095867ND
2014-03-2095861ND
2014-03-2095863ND
2014-03-2095871ND
2014-03-2095857ND
2014-03-2095859ND
2014-03-2095869ND
2014-06-1298787ND
2014-06-1298793ND
2014-06-1298795ND
2014-06-1298801ND
2014-06-1298791ND
2014-06-1298789ND
2014-06-1298797ND
2014-06-1298799ND
2014-09-2453052ND
2014-09-2453044ND
2014-09-2453048ND
2014-09-2453050ND
2014-09-2453042ND
2014-09-2453046ND
2014-09-2453040ND
2014-09-2453054ND
2014-10-1353763ND
2014-12-1755873ND
2014-12-1755881ND
2014-12-1755875ND
2014-12-1755871ND
2014-12-1755879ND
2014-12-1755869ND
2014-12-1755877ND
2014-12-1755867ND
2015-03-2358430ND
2015-03-2358428ND
2015-03-2358426ND
2015-03-2358422ND
2015-03-2358432ND
2015-03-2358420ND
2015-03-2358418ND
2015-03-2358424ND
2015-06-1861588ND
2015-06-1861586ND
2015-06-1861584ND
2015-06-1861582ND
2015-06-1861578ND
2015-06-1861576ND
2015-06-1861574ND
2015-06-1861580ND
2015-09-2466205ND
2015-09-2466213ND
2015-09-2466211ND
2015-09-2466209ND
2015-09-2466215ND
2015-09-2466203ND
2015-09-2466201ND
2015-09-2466207ND
2015-12-0368519ND
2015-12-0368517ND
2015-12-0368515ND
2015-12-0368511ND
2015-12-0368521ND
2015-12-0368509ND
2015-12-0368507ND
2015-12-0368513ND
2016-03-10ND
2016-03-10ND
2016-03-10ND
2016-03-10ND
2016-03-10ND
2016-03-10ND
2016-03-10ND
2016-03-10ND
2016-06-28ND
2016-06-28ND
2016-06-28ND
2016-06-28ND
2016-06-28ND
2016-06-28ND
2016-06-28ND
2016-06-29ND
2016-12-08ND
2016-12-08ND
2016-12-08ND
2016-12-08ND
2016-12-08ND
2016-12-08ND
2016-12-08ND
2016-12-08ND
2017-02-06ND
2017-02-06ND
2017-02-06ND
2017-02-06ND
2017-02-08ND
2017-02-08ND
2017-02-08ND
2017-02-08ND
2017-05-02ND
2017-05-02ND
2017-05-02ND
2017-05-02ND
2017-05-02ND
2017-05-02ND
2017-05-02ND
2017-05-02ND
2017-08-10ND
2017-08-10ND
2017-08-10ND
2017-08-10ND
2017-08-10ND
2017-08-10ND
2017-08-10ND
2017-08-10ND
2017-11-08ND
2017-11-08ND
2017-11-08ND
2017-11-08ND
2017-11-08ND
2017-11-08ND
2017-11-08ND
2017-11-08ND
2018-02-05ND
2018-02-05ND
2018-02-05ND
2018-02-05ND
2018-02-05ND
2018-02-05ND
2018-02-05ND
2018-02-05ND
2018-05-09ND
2018-05-09ND
2018-05-09ND
2018-05-09ND
2018-05-09ND
2018-05-09ND
2018-05-09ND
2018-05-09ND
2018-08-09ND
2018-08-09ND
2018-08-09ND
2018-08-09ND
2018-08-09ND
2018-08-092.10 ppb
2018-08-09ND
2018-08-09ND
2018-11-08ND
2018-11-08ND
2018-11-08ND
2018-11-08ND
2018-11-08ND
2018-11-08ND
2018-11-08ND
2018-11-08ND
2019-02-07ND
2019-02-07ND
2019-02-07ND
2019-02-07ND
2019-02-07ND
2019-02-07ND
2019-02-07ND
2019-02-07ND
2019-05-09ND
2019-05-09ND
2019-05-09ND
2019-05-09ND
2019-05-09ND
2019-05-09ND
2019-05-09ND
2019-05-09ND
2019-08-20ND
2019-08-20ND
2019-08-20ND
2019-08-20ND
2019-08-20ND
2019-08-20ND
2019-08-20ND
2019-08-20ND
2019-11-18ND
2019-11-18ND
2019-11-18ND
2019-11-18ND
2019-11-18ND
2019-11-18ND
2019-11-18ND
2019-11-18ND