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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Kern County Water Agency

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

 

208

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.113 ppb323ND - 1.40 ppb
20150.0688 ppb161ND - 1.10 ppb
20160.695 ppb3919ND - 1.90 ppb
20170.163 ppb415ND - 1.80 ppb
20180.228 ppb406ND - 2.20 ppb
20190.343 ppb406ND - 2.90 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
2014-02-175133-900-1200ND
2014-02-175133-901-0835ND
2014-02-175133-902-0850ND
2014-02-175133-903-0905ND
2014-02-175133-904-1145ND
2014-02-175133-906-1005ND
2014-02-175133-907-0930ND
2014-02-175133-908-1020ND
2014-05-205133-900-1120ND
2014-05-205133-901-0900ND
2014-05-205133-902-0915ND
2014-05-205133-903-09351.000 ppb
2014-05-205133-904-1130ND
2014-05-205133-906-10201.20 ppb
2014-05-205133-907-1000ND
2014-05-205133-908-10351.40 ppb
2014-08-185133-900-1145ND
2014-08-185133-901-0835ND
2014-08-185133-902-0855ND
2014-08-185133-903-0910ND
2014-08-185133-904-1130ND
2014-08-185133-906-0950ND
2014-08-185133-907-0935ND
2014-08-185133-908-1010ND
2014-11-175133-900-1305ND
2014-11-175133-901-0850ND
2014-11-175133-902-0910ND
2014-11-175133-903-0925ND
2014-11-175133-904-1250ND
2014-11-175133-906-1010ND
2014-11-175133-907-0945ND
2014-11-175133-908-1030ND
2015-02-165133-900-1305ND
2015-02-165133-901-0905ND
2015-02-165133-902-0920ND
2015-02-165133-903-0935ND
2015-02-165133-904-1300ND
2015-02-165133-906-10201.10 ppb
2015-02-165133-907-0955ND
2015-02-165133-908-1035ND
2015-11-165133-900-1145ND
2015-11-165133-901-0820ND
2015-11-165133-902-1015ND
2015-11-165133-903-1025ND
2015-11-165133-904-1135ND
2015-11-165133-906-0935ND
2015-11-165133-907-0955ND
2015-11-165133-908-0910ND
2016-02-155133-900-1215ND
2016-02-155133-901-0845ND
2016-02-155133-902-0905ND
2016-02-155133-903-0920ND
2016-02-155133-905-1230ND
2016-02-155133-906-10051.40 ppb
2016-02-155133-907-0950ND
2016-02-155133-908-1030ND
2016-02-155133-909-1040ND
2016-05-165133-900-1210ND
2016-05-165133-901-08401.10 ppb
2016-05-165133-902-08551.20 ppb
2016-05-165133-903-09151.50 ppb
2016-05-165133-904-11551.10 ppb
2016-05-165133-905-12250.900 ppb
2016-05-165133-906-09551.70 ppb
2016-05-165133-907-09401.90 ppb
2016-05-165133-908-10151.90 ppb
2016-05-165133-909-10301.10 ppb
2016-08-155133-900-12351.30 ppb
2016-08-155133-901-08551.50 ppb
2016-08-155133-902-09151.90 ppb
2016-08-155133-903-09251.80 ppb
2016-08-155133-904-1220ND
2016-08-155133-905-12501.50 ppb
2016-08-155133-906-10101.10 ppb
2016-08-155133-907-09501.20 ppb
2016-08-155133-908-10251.80 ppb
2016-08-155133-909-10401.20 ppb
2016-11-145133-900-1105ND
2016-11-145133-901-0755ND
2016-11-145133-902-0810ND
2016-11-145133-903-0830ND
2016-11-145133-904-1055ND
2016-11-145133-905-1115ND
2016-11-145133-906-0955ND
2016-11-145133-907-0855ND
2016-11-145133-908-0915ND
2016-11-145133-909-0930ND
2017-02-135133-900-1225ND
2017-02-135133-901-0855ND
2017-02-135133-902-0915ND
2017-02-135133-903-0930ND
2017-02-135133-904-1210ND
2017-02-135133-905-1245ND
2017-02-135133-906-1015ND
2017-02-135133-907-0955ND
2017-02-135133-908-1035ND
2017-02-135133-909-1045ND
2017-05-155133-900-1300ND
2017-05-155133-901-0740ND
2017-05-155133-902-0825ND
2017-05-155133-903-0840ND
2017-05-155133-904-1245ND
2017-05-155133-905-1315ND
2017-05-155133-906-0920ND
2017-05-155133-907-0900ND
2017-05-155133-908-1110ND
2017-05-155133-909-1135ND
2017-06-215810-010-1300ND
2017-08-165133-900-12151.40 ppb
2017-08-165133-901-08451.000 ppb
2017-08-165133-902-0900ND
2017-08-165133-903-0915ND
2017-08-165133-904-12001.20 ppb
2017-08-165133-905-1235ND
2017-08-165133-906-0955ND
2017-08-165133-907-0940ND
2017-08-165133-908-10151.80 ppb
2017-08-165133-909-10251.30 ppb
2017-11-135133-900-1205ND
2017-11-135133-901-0745ND
2017-11-135133-902-0830ND
2017-11-135133-903-0850ND
2017-11-135133-904-1130ND
2017-11-135133-905-1215ND
2017-11-135133-906-0940ND
2017-11-135133-907-0915ND
2017-11-135133-908-1015ND
2017-11-135133-909-1030ND
2018-02-125133-900-1250ND
2018-02-125133-901-0900ND
2018-02-125133-902-0915ND
2018-02-125133-903-0945ND
2018-02-125133-904-1235ND
2018-02-125133-905-1305ND
2018-02-125133-906-1030ND
2018-02-125133-907-1010ND
2018-02-125133-908-10451.10 ppb
2018-02-125133-909-1055ND
2018-05-145133-900-1140ND
2018-05-145133-901-0730ND
2018-05-145133-902-0815ND
2018-05-145133-903-0835ND
2018-05-145133-904-1125ND
2018-05-145133-905-1150ND
2018-05-145133-906-0910ND
2018-05-145133-907-0850ND
2018-05-145133-908-0935ND
2018-05-145133-909-0950ND
2018-08-135133-900-0830ND
2018-08-135133-901-0715ND
2018-08-135133-902-0735ND
2018-08-135133-903-0750ND
2018-08-135133-904-0820ND
2018-08-135133-905-0840ND
2018-08-135133-906-0935ND
2018-08-135133-907-0920ND
2018-08-135133-908-0955ND
2018-08-135133-909-1005ND
2018-11-125133-900-0940ND
2018-11-125133-901-0705ND
2018-11-125133-902-0745ND
2018-11-125133-903-08551.60 ppb
2018-11-125133-904-09201.000 ppb
2018-11-125133-905-09351.000 ppb
2018-11-125133-906-1100ND
2018-11-125133-907-10452.20 ppb
2018-11-125133-908-11232.20 ppb
2018-11-125133-909-1140ND
2019-02-185133-900-1110ND
2019-02-185133-901-0730ND
2019-02-185133-902-0750ND
2019-02-185133-903-0810ND
2019-02-185133-904-1050ND
2019-02-185133-905-1125ND
2019-02-185133-906-0915ND
2019-02-185133-907-0850ND
2019-02-185133-908-0950ND
2019-02-185133-909-1000ND
2019-05-135133-900-08301.30 ppb
2019-05-135133-901-0705ND
2019-05-135133-902-0725ND
2019-05-135133-903-0745ND
2019-05-135133-904-08152.70 ppb
2019-05-135133-905-08452.90 ppb
2019-05-135133-906-1005ND
2019-05-135133-907-0940ND
2019-05-135133-908-10302.40 ppb
2019-05-135133-909-10402.40 ppb
2019-08-145810-900-0730ND
2019-08-145810-901-0650ND
2019-08-145810-902-0700ND
2019-08-145810-903-0705ND
2019-08-145810-904-0725ND
2019-08-145810-905-0740ND
2019-08-145810-906-0810ND
2019-08-145810-907-0800ND
2019-08-145810-908-08252.00 ppb
2019-08-145810-909-0820ND
2019-11-195810-900-1020ND
2019-11-195810-901-0843ND
2019-11-195810-902-0903ND
2019-11-195810-903-0922ND
2019-11-195810-904-1000ND
2019-11-195810-905-1043ND
2019-11-195810-906-1202ND
2019-11-195810-907-1140ND
2019-11-195810-908-1225ND
2019-11-195810-909-1240ND