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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Santa Clarita Water Division

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

 

192

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND320ND
2015ND320ND
2016ND320ND
2017ND320ND
2018ND320ND
20190.0719 ppb321ND - 2.30 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
2014-02-139590-800-0950ND
2014-02-139590-801-1110ND
2014-02-139590-802-1130ND
2014-02-139590-803-1005ND
2014-02-139590-804-1000ND
2014-02-139590-805-1115ND
2014-02-139590-806-1040ND
2014-02-139590-807-1140ND
2014-05-159590-800-1200ND
2014-05-159590-801-1245ND
2014-05-159590-802-1215ND
2014-05-159590-803-1310ND
2014-05-159590-804-1400ND
2014-05-159590-805-1500ND
2014-05-159590-806-1330ND
2014-05-159590-807-1130ND
2014-08-149590-800-1340ND
2014-08-149590-801-1105ND
2014-08-149590-802-1320ND
2014-08-149590-803-1225ND
2014-08-149590-804-1035ND
2014-08-149590-805-1000ND
2014-08-149590-806-1135ND
2014-08-149590-807-0925ND
2014-11-139590-800-1345ND
2014-11-139590-801-1230ND
2014-11-139590-802-1315ND
2014-11-139590-803-1345ND
2014-11-139590-804-1410ND
2014-11-139590-805-1115ND
2014-11-139590-806-1340ND
2014-11-139590-807-1155ND
2015-02-129590-800-1245ND
2015-02-129590-801-1005ND
2015-02-129590-802-1240ND
2015-02-129590-803-1130ND
2015-02-129590-804-1030ND
2015-02-129590-805-1100ND
2015-02-129590-806-1105ND
2015-02-129590-807-1145ND
2015-05-149590-800-1120ND
2015-05-149590-801-1050ND
2015-05-149590-802-1100ND
2015-05-149590-803-1140ND
2015-05-149590-804-0950ND
2015-05-149590-805-1015ND
2015-05-149590-806-1400ND
2015-05-149590-807-1320ND
2015-08-139590-800-1120ND
2015-08-139590-801-1100ND
2015-08-139590-802-1113ND
2015-08-139590-803-0942ND
2015-08-139590-804-1055ND
2015-08-139590-805-1030ND
2015-08-139590-806-1025ND
2015-08-139590-807-0945ND
2015-11-099590-800-0900ND
2015-11-099590-801-0825ND
2015-11-099590-802-0830ND
2015-11-099590-803-0945ND
2015-11-099590-804-0845ND
2015-11-099590-805-0710ND
2015-11-099590-806-1030ND
2015-11-099590-807-1000ND
2016-02-089590-800-1025ND
2016-02-089590-801-0930ND
2016-02-089590-802-1000ND
2016-02-089590-803-0910ND
2016-02-089590-804-1040ND
2016-02-089590-805-1115ND
2016-02-089590-806-0950ND
2016-02-089590-807-0840ND
2016-05-099590-800-0900ND
2016-05-099590-801-1000ND
2016-05-099590-802-0830ND
2016-05-099590-803-0935ND
2016-05-099590-804-0925ND
2016-05-099590-805-0900ND
2016-05-099590-806-1030ND
2016-05-099590-807-1030ND
2016-08-089590-800-0910ND
2016-08-089590-801-0845ND
2016-08-089590-802-0900ND
2016-08-089590-803-1030ND
2016-08-089590-804-1140ND
2016-08-089590-805-1045ND
2016-08-089590-806-1100ND
2016-08-089590-807-0950ND
2016-11-079590-800-0835ND
2016-11-079590-801-0905ND
2016-11-079590-802-0845ND
2016-11-079590-803-0840ND
2016-11-079590-804-0940ND
2016-11-079590-805-0905ND
2016-11-079590-806-0910ND
2016-11-079590-807-0900ND
2017-02-069590-800-0945ND
2017-02-069590-801-1035ND
2017-02-069590-802-1010ND
2017-02-069590-803-1100ND
2017-02-069590-804-1400ND
2017-02-069590-805-1320ND
2017-02-069590-806-1420ND
2017-02-069590-807-1130ND
2017-05-089590-800-1010ND
2017-05-089590-801-0840ND
2017-05-089590-802-0900ND
2017-05-089590-803-0920ND
2017-05-089590-804-0945ND
2017-05-089590-805-0920ND
2017-05-089590-806-0940ND
2017-05-089590-807-0830ND
2017-08-079590-800-0915ND
2017-08-079590-801-1015ND
2017-08-079590-802-0940ND
2017-08-079590-803-1020ND
2017-08-079590-804-1320ND
2017-08-079590-805-1010ND
2017-08-079590-806-1130ND
2017-08-079590-807-0900ND
2017-11-139590-800-1150ND
2017-11-139590-801-1115ND
2017-11-139590-802-1135ND
2017-11-139590-803-1410ND
2017-11-139590-804-1130ND
2017-11-139590-805-1200ND
2017-11-139590-806-1345ND
2017-11-139590-807-1400ND
2018-02-059590-800-0945ND
2018-02-059590-801-1020ND
2018-02-059590-802-1000ND
2018-02-059590-803-0925ND
2018-02-059590-804-1200ND
2018-02-059590-805-1050ND
2018-02-059590-806-0900ND
2018-02-059590-807-0930ND
2018-05-079590-800-0845ND
2018-05-079590-801-0955ND
2018-05-079590-802-0835ND
2018-05-079590-803-1125ND
2018-05-079590-804-1130ND
2018-05-079590-805-1025ND
2018-05-079590-806-1110ND
2018-05-079590-807-0910ND
2018-08-069590-800-1115ND
2018-08-069590-801-1125ND
2018-08-069590-802-1325ND
2018-08-069590-803-0845ND
2018-08-069590-804-1030ND
2018-08-069590-805-1000ND
2018-08-069590-806-0930ND
2018-08-069590-807-0840ND
2018-11-059590-800-1315ND
2018-11-059590-801-0945ND
2018-11-059590-802-0830ND
2018-11-059590-803-1215ND
2018-11-059590-804-1130ND
2018-11-059590-805-0840ND
2018-11-059590-806-1115ND
2018-11-059590-807-0700ND
2019-02-199590-800-1030ND
2019-02-199590-801-1050ND
2019-02-199590-802-0950ND
2019-02-199590-803-1135ND
2019-02-199590-804-1005ND
2019-02-199590-805-1200ND
2019-02-199590-806-1115ND
2019-02-199590-807-0840ND
2019-05-139590-800-1030ND
2019-05-139590-801-1100ND
2019-05-139590-802-10402.30 ppb
2019-05-139590-803-1200ND
2019-05-139590-804-0940ND
2019-05-139590-805-0910ND
2019-05-139590-806-1130ND
2019-05-139590-807-0820ND
2019-08-129590-800-0810ND
2019-08-129590-801-0900ND
2019-08-129590-802-0830ND
2019-08-129590-803-0745ND
2019-08-129590-804-1000ND
2019-08-129590-805-1030ND
2019-08-129590-806-0930ND
2019-08-129590-807-1150ND
2019-11-049590-800-0945ND
2019-11-049590-801-1015ND
2019-11-049590-802-1000ND
2019-11-049590-804-0845ND
2019-11-049590-805-0910ND
2019-11-049590-807-1040ND
2019-11-149590-803-0955ND
2019-11-149590-806-1020ND