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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

Las Virgenes Municipal 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.

 

120

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND240ND
2013ND80ND
2014N/A00N/A
2015ND240ND
2016ND320ND
2017ND320ND

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
2012-05-149590-800-1320ND
2012-05-149590-801-1217ND
2012-05-149590-802-1320ND
2012-05-149590-803-1217ND
2012-05-149590-804-1247ND
2012-05-149590-805-1105ND
2012-05-149590-806-1023ND
2012-05-149590-807-1025ND
2012-08-069590-800-0855ND
2012-08-069590-801-1025ND
2012-08-069590-802-1445ND
2012-08-069590-803-0935ND
2012-08-069590-804-0945ND
2012-08-069590-805-1145ND
2012-08-069590-806-1055ND
2012-08-069590-807-1143ND
2012-11-129590-800-1420ND
2012-11-129590-801-1300ND
2012-11-129590-802-1420ND
2012-11-129590-803-0910ND
2012-11-129590-804-1329ND
2012-11-129590-805-1157ND
2012-11-129590-806-1234ND
2012-11-129590-807-1115ND
2013-02-049590-800-1313ND
2013-02-049590-801-1200ND
2013-02-049590-803-0910ND
2013-02-049590-804-1230ND
2013-02-049590-805-1135ND
2013-02-049590-806-1055ND
2013-02-049590-807-1055ND
2013-02-149590-802-1200ND
2015-05-189588-800-1147ND
2015-05-189588-801-1137ND
2015-05-189588-802-1030ND
2015-05-189588-803-0950ND
2015-05-189588-804-1218ND
2015-05-189588-805-1025ND
2015-05-189588-806-1110ND
2015-05-189588-807-0916ND
2015-08-179588-805-0950ND
2015-08-179588-806-1033ND
2015-08-189588-800-0811ND
2015-08-189588-801-1055ND
2015-08-189588-802-1249ND
2015-08-189588-803-1218ND
2015-08-189588-804-1125ND
2015-08-189588-807-1027ND
2015-11-169588-800-0808ND
2015-11-169588-801-1138ND
2015-11-169588-802-1143ND
2015-11-169588-803-1021ND
2015-11-169588-804-1208ND
2015-11-169588-805-1032ND
2015-11-169588-806-1115ND
2015-11-169588-807-0859ND
2016-02-169588-800-0824ND
2016-02-169588-801-1201ND
2016-02-169588-802-1345ND
2016-02-169588-803-1311ND
2016-02-169588-804-1233ND
2016-02-169588-805-1054ND
2016-02-169588-806-1133ND
2016-02-169588-807-1127ND
2016-05-169588-800-1056ND
2016-05-169588-801-1158ND
2016-05-169588-802-0905ND
2016-05-169588-803-0822ND
2016-05-169588-804-1226ND
2016-05-169588-805-1053ND
2016-05-169588-806-1135ND
2016-05-179588-807-0919ND
2016-08-159588-800-0900ND
2016-08-159588-801-1315ND
2016-08-159588-802-1313ND
2016-08-159588-803-1234ND
2016-08-159588-804-1350ND
2016-08-159588-805-1152ND
2016-08-159588-806-1240ND
2016-08-159588-807-0956ND
2016-11-219588-800-1308ND
2016-11-219588-801-1154ND
2016-11-219588-802-1305ND
2016-11-219588-803-0845ND
2016-11-219588-804-1230ND
2016-11-219588-805-1044ND
2016-11-219588-806-1129ND
2016-11-219588-807-1036ND
2017-02-219588-800-1120ND
2017-02-219588-801-1339ND
2017-02-219588-802-0941ND
2017-02-219588-803-0914ND
2017-02-219588-804-1413ND
2017-02-219588-805-1220ND
2017-02-219588-806-1311ND
2017-02-219588-807-1020ND
2017-05-169588-800-1112ND
2017-05-169588-801-1257ND
2017-05-169588-802-0919ND
2017-05-169588-803-0852ND
2017-05-169588-804-1332ND
2017-05-169588-805-1147ND
2017-05-169588-806-1229ND
2017-05-169588-807-1104ND
2017-08-219588-800-0829ND
2017-08-219588-801-1212ND
2017-08-219588-802-0857ND
2017-08-219588-803-1139ND
2017-08-219588-804-1240ND
2017-08-219588-805-1106ND
2017-08-219588-806-2348ND
2017-08-219588-807-1334ND
2017-11-209588-800-0905ND
2017-11-209588-801-1317ND
2017-11-209588-802-1330ND
2017-11-209588-803-0844ND
2017-11-209588-804-1353ND
2017-11-209588-805-1202ND
2017-11-209588-806-1251ND
2017-11-209588-807-0900ND