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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Sandy Point 480 Water System

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

 

80

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND80ND
20163.48 ppb1610ND - 10.2 ppb
2017ND160ND
20187.33 ppb186ND - 27.9 ppb
20192.93 ppb1810ND - 8.60 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
2014-08-271329965ND
2014-08-271329964ND
2014-08-271329965ND
2014-08-271329964ND
2015-09-301431482ND
2015-09-301431483ND
2015-09-301431483ND
2015-09-301431482ND
2015-12-211453308ND
2015-12-211453307ND
2015-12-211453307ND
2015-12-211453308ND
2016-02-26LA17827-1ND
2016-02-26LA17827-26.20 ppb
2016-02-26LA17827-26.20 ppb
2016-02-26LA17827-1ND
2016-05-27LA21155-1ND
2016-05-27LA21155-2ND
2016-05-27LA21155-2ND
2016-05-27LA21155-1ND
2016-08-26LA24874-11.80 ppb
2016-08-26LA24874-21.90 ppb
2016-08-26LA24874-21.90 ppb
2016-08-26LA24874-11.80 ppb
2016-11-14LA27559-110.2 ppb
2016-11-14LA27559-27.70 ppb
2016-11-14LA27559-27.70 ppb
2016-11-14LA27559-110.2 ppb
2017-02-0235292971004ND
2017-02-0235292971003ND
2017-02-0235292971003ND
2017-02-0235292971004ND
2017-05-1835313429008ND
2017-05-1835313429007ND
2017-05-1835313429007ND
2017-05-1835313429008ND
2017-08-1435331378033ND
2017-08-1435331378034ND
2017-08-1435331378033ND
2017-08-1435331378034ND
2017-11-1635349517002ND
2017-11-1635349517001ND
2017-11-1635349517001ND
2017-11-1635349517002ND
2018-02-2635376901002ND
2018-02-2635376901001ND
2018-02-2635376901002ND
2018-02-2635376901001ND
2018-05-233539450200111.8 ppb
2018-05-2335394502002ND
2018-05-2335394502002ND
2018-05-233539450200111.8 ppb
2018-08-2235413401001ND
2018-08-2235413401001ND
2018-09-1335417892001ND
2018-09-1335417892002ND
2018-09-1335417892001ND
2018-09-1335417892002ND
2018-11-263543379400226.3 ppb
2018-11-263543379400127.9 ppb
2018-11-263543379400127.9 ppb
2018-11-263543379400226.3 ppb
2019-02-18354500140024.90 ppb
2019-02-18354500140018.60 ppb
2019-02-18354500140018.60 ppb
2019-02-18354500140024.90 ppb
2019-05-2035470503001ND
2019-05-2035470503002ND
2019-05-2035470503001ND
2019-05-2035470503002ND
2019-06-1035475477001ND
2019-06-1035475477001ND
2019-08-19354927790026.30 ppb
2019-08-19354927790014.90 ppb
2019-08-19354927790014.90 ppb
2019-08-19354927790026.30 ppb
2019-11-2735515934001ND
2019-11-27355159340021.70 ppb
2019-11-2735515934001ND
2019-11-27355159340021.70 ppb