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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Cucamonga Valley Water District

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
2013N/A00N/A
2014ND320ND
2015ND320ND
2016ND320ND
2017ND320ND
2018ND320ND
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
2014-01-099590-601-1200ND
2014-01-099590-602-1050ND
2014-01-099590-603-1145ND
2014-01-099590-604-0920ND
2014-01-099590-605-0940ND
2014-01-099590-606-1125ND
2014-01-099590-607-1110ND
2014-01-099590-608-1010ND
2014-04-019590-601-1207ND
2014-04-019590-602-1049ND
2014-04-019590-603-1145ND
2014-04-019590-604-0855ND
2014-04-019590-605-0912ND
2014-04-019590-606-1100ND
2014-04-019590-607-1006ND
2014-04-019590-608-0945ND
2014-07-079590-601-1040ND
2014-07-079590-602-0925ND
2014-07-079590-603-0812ND
2014-07-079590-604-0825ND
2014-07-079590-605-0840ND
2014-07-079590-606-1010ND
2014-07-079590-607-0950ND
2014-07-079590-608-0905ND
2014-10-069590-601-1134ND
2014-10-069590-602-0835ND
2014-10-069590-603-1120ND
2014-10-069590-604-1102ND
2014-10-069590-605-1040ND
2014-10-069590-606-0820ND
2014-10-069590-607-0850ND
2014-10-069590-608-0920ND
2015-01-059590-601-1245ND
2015-01-059590-602-0905ND
2015-01-059590-603-1220ND
2015-01-059590-604-1150ND
2015-01-059590-605-1130ND
2015-01-059590-606-1110ND
2015-01-059590-607-1015ND
2015-01-059590-608-1030ND
2015-04-019590-601-1155ND
2015-04-019590-602-1109ND
2015-04-019590-603-0835ND
2015-04-019590-604-0852ND
2015-04-019590-605-0940ND
2015-04-019590-606-1125ND
2015-04-019590-607-1057ND
2015-04-019590-608-1012ND
2015-07-029590-601-1050ND
2015-07-029590-602-1015ND
2015-07-029590-603-0830ND
2015-07-029590-604-0835ND
2015-07-029590-605-0840ND
2015-07-029590-606-1030ND
2015-07-029590-607-1005ND
2015-07-029590-608-0945ND
2015-10-069590-601-1300ND
2015-10-069590-602-0930ND
2015-10-069590-603-0800ND
2015-10-069590-604-0815ND
2015-10-069590-605-0840ND
2015-10-069590-606-1020ND
2015-10-069590-607-0955ND
2015-10-069590-608-0900ND
2016-01-069590-601-1335ND
2016-01-069590-602-0930ND
2016-01-069590-603-0810ND
2016-01-069590-604-0815ND
2016-01-069590-605-0840ND
2016-01-069590-606-1020ND
2016-01-069590-607-0955ND
2016-01-069590-608-0900ND
2016-04-059590-601-1145ND
2016-04-059590-602-1035ND
2016-04-059590-603-0824ND
2016-04-059590-604-0842ND
2016-04-059590-605-0910ND
2016-04-059590-606-1107ND
2016-04-059590-607-1050ND
2016-04-059590-608-0945ND
2016-07-069590-601-1310ND
2016-07-069590-602-1035ND
2016-07-069590-603-0820ND
2016-07-069590-604-0826ND
2016-07-069590-605-0840ND
2016-07-069590-606-1155ND
2016-07-069590-607-1130ND
2016-07-069590-608-0925ND
2016-10-059590-601-1120ND
2016-10-059590-602-1055ND
2016-10-059590-603-0810ND
2016-10-059590-604-0825ND
2016-10-059590-605-0855ND
2016-10-059590-606-1030ND
2016-10-059590-607-1010ND
2016-10-059590-608-0910ND
2017-01-099590-601-1120ND
2017-01-099590-602-1055ND
2017-01-099590-603-0810ND
2017-01-099590-604-0825ND
2017-01-099590-605-0855ND
2017-01-099590-606-1030ND
2017-01-099590-607-1010ND
2017-01-099590-608-0910ND
2017-04-059590-601-1100ND
2017-04-059590-602-0955ND
2017-04-059590-603-1045ND
2017-04-059590-604-0827ND
2017-04-059590-605-0845ND
2017-04-059590-606-1020ND
2017-04-059590-607-0935ND
2017-04-059590-608-0915ND
2017-07-069590-601-1113ND
2017-07-069590-602-1028ND
2017-07-069590-603-1059ND
2017-07-069590-604-0913ND
2017-07-069590-605-0927ND
2017-07-069590-606-1040ND
2017-07-069590-607-1014ND
2017-07-069590-608-0955ND
2017-10-059590-601-1241ND
2017-10-059590-602-1140ND
2017-10-059590-603-1218ND
2017-10-059590-604-1016ND
2017-10-059590-605-1035ND
2017-10-059590-606-1152ND
2017-10-059590-607-1125ND
2017-10-059590-608-1059ND
2018-01-119590-601-1201ND
2018-01-119590-602-1058ND
2018-01-119590-603-1138ND
2018-01-119590-604-0913ND
2018-01-119590-605-0933ND
2018-01-119590-606-1115ND
2018-01-119590-607-1038ND
2018-01-119590-608-1019ND
2018-04-059590-601-1121ND
2018-04-059590-602-1028ND
2018-04-059590-603-1105ND
2018-04-059590-604-0831ND
2018-04-059590-605-0911ND
2018-04-059590-606-1043ND
2018-04-059590-607-1011ND
2018-04-059590-608-0949ND
2018-07-099588-601-1245ND
2018-07-099588-602-1107ND
2018-07-099588-603-1140ND
2018-07-099588-604-0945ND
2018-07-099588-605-1006ND
2018-07-099588-606-1120ND
2018-07-099588-607-1050ND
2018-07-099588-608-1030ND
2018-10-099588-601-1414ND
2018-10-099588-602-1112ND
2018-10-099588-603-1349ND
2018-10-099588-604-0718ND
2018-10-099588-605-0756ND
2018-10-099588-606-1246ND
2018-10-099588-607-1057ND
2018-10-099588-608-0952ND
2019-01-099588-601-1147ND
2019-01-099588-602-1055ND
2019-01-099588-603-1131ND
2019-01-099588-604-0800ND
2019-01-099588-605-0911ND
2019-01-099588-606-1110ND
2019-01-099588-607-1005ND
2019-01-099588-608-0937ND
2019-04-049588-601-0920ND
2019-04-049588-602-0820ND
2019-04-049588-603-0900ND
2019-04-049588-604-0700ND
2019-04-049588-605-0720ND
2019-04-049588-606-0840ND
2019-04-049588-607-0800ND
2019-04-049588-608-0740ND
2019-07-089588-601-1210ND
2019-07-089588-602-1055ND
2019-07-089588-603-1145ND
2019-07-089588-604-0930ND
2019-07-089588-605-0950ND
2019-07-089588-606-1120ND
2019-07-089588-607-1035ND
2019-07-089588-608-1015ND
2019-10-079588-601-1210ND
2019-10-079588-602-1055ND
2019-10-079588-603-1145ND
2019-10-079588-604-0915ND
2019-10-079588-605-0940ND
2019-10-079588-606-1120ND
2019-10-079588-607-1035ND
2019-10-079588-608-1015ND