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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Lee County WSC

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
2014ND160ND
2015ND160ND
2016ND160ND
20170.138 ppb161ND - 2.20 ppb
2018ND160ND
20190.125 ppb161ND - 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
2014-02-25AC44480ND
2014-02-25AC44477ND
2014-02-25AC44479ND
2014-02-25AC44498ND
2014-05-13AC54048ND
2014-05-13AC54049ND
2014-05-13AC54047ND
2014-05-13AC54050ND
2014-08-14AC63792ND
2014-08-14AC63796ND
2014-08-14AC63795ND
2014-08-14AC63807ND
2014-12-08AC73988ND
2014-12-08AC73982ND
2014-12-08AC73981ND
2014-12-08AC73987ND
2015-03-04AC82662ND
2015-03-04AC82666ND
2015-03-04AC82734ND
2015-03-04AC82665ND
2015-06-17AC96240ND
2015-06-17AC96252ND
2015-06-17AC96251ND
2015-06-17AC96253ND
2015-09-01AD05131ND
2015-09-01AD05139ND
2015-09-01AD05137ND
2015-09-01AD05145ND
2015-11-13AD13546ND
2015-11-13AD13549ND
2015-11-13AD13550ND
2015-11-13AD13585ND
2016-01-27AD20345ND
2016-01-27AD20347ND
2016-01-27AD20346ND
2016-01-27AD20344ND
2016-04-12AD32770ND
2016-04-12AD32768ND
2016-04-12AD32766ND
2016-04-12AD32765ND
2016-07-26AD45662ND
2016-07-26AD45667ND
2016-07-26AD45665ND
2016-07-26AD45660ND
2016-10-31AD55457ND
2016-10-31AD55454ND
2016-10-31AD55453ND
2016-10-31AD55452ND
2017-01-30AD67510ND
2017-01-30AD67511ND
2017-01-30AD67506ND
2017-01-30AD67509ND
2017-04-11AD79180ND
2017-05-04AD82732ND
2017-05-04AD82731ND
2017-05-04AD82730ND
2017-07-24AD90322ND
2017-07-24AD90323ND
2017-07-24AD90327ND
2017-07-24AD903262.20 ppb
2017-10-04AD99235ND
2017-10-04AD99236ND
2017-10-04AD99231ND
2017-10-04AD99243ND
2018-02-20AE14409ND
2018-02-20AE14410ND
2018-02-20AE14415ND
2018-02-20AE14417ND
2018-05-03AE25030ND
2018-05-03AE25029ND
2018-05-03AE25027ND
2018-05-03AE25028ND
2018-07-10AE32756ND
2018-07-10AE32758ND
2018-07-10AE32757ND
2018-07-10AE32760ND
2018-10-09AE42916ND
2018-10-09AE42915ND
2018-10-09AE42914ND
2018-10-09AE42913ND
2019-01-15AE49786ND
2019-01-15AE49784ND
2019-01-15AE49785ND
2019-01-15AE49781ND
2019-04-10AE61788ND
2019-04-10AE61791ND
2019-04-10AE61792ND
2019-04-10AE61793ND
2019-07-26AE760672.00 ppb
2019-07-26AE76066ND
2019-07-26AE76065ND
2019-07-26AE76064ND
2019-11-19AE89738ND
2019-11-19AE89734ND
2019-11-19AE89739ND
2019-11-19AE89736ND