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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

Palmdale 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

 

501

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0281 ppb961ND - 2.70 ppb
2015ND960ND
2016ND600ND
2017ND640ND
2018ND880ND
2019ND970ND

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
2014-01-149590-800-0850ND
2014-01-149590-801-0910ND
2014-01-149590-802-0850ND
2014-01-149590-803-1000ND
2014-01-149590-804-0830ND
2014-01-149590-805-1120ND
2014-01-149590-806-0820ND
2014-01-149590-807-0935ND
2014-02-119590-801-0845ND
2014-02-119590-802-0830ND
2014-02-119590-806-0805ND
2014-02-119590-807-0910ND
2014-02-279590-800-1020ND
2014-02-279590-803-1040ND
2014-02-279590-804-1010ND
2014-02-279590-805-1100ND
2014-03-119590-800-0800ND
2014-03-119590-801-0825ND
2014-03-119590-802-0810ND
2014-03-119590-803-0845ND
2014-03-119590-804-0745ND
2014-03-119590-805-1025ND
2014-03-119590-806-07402.70 ppb
2014-03-119590-807-0850ND
2014-04-159590-800-0855ND
2014-04-159590-801-0900ND
2014-04-159590-802-0840ND
2014-04-159590-803-0940ND
2014-04-159590-804-0840ND
2014-04-159590-805-1050ND
2014-04-159590-806-0815ND
2014-04-159590-807-0930ND
2014-05-209590-800-1220ND
2014-05-209590-801-0825ND
2014-05-209590-802-0800ND
2014-05-209590-803-1305ND
2014-05-209590-804-1205ND
2014-05-209590-805-1420ND
2014-05-209590-806-0750ND
2014-05-209590-807-0850ND
2014-06-179590-800-0930ND
2014-06-179590-801-0930ND
2014-06-179590-802-0915ND
2014-06-179590-803-1015ND
2014-06-179590-804-0915ND
2014-06-179590-805-1130ND
2014-06-179590-806-0850ND
2014-06-179590-807-0955ND
2014-07-159590-800-0915ND
2014-07-159590-801-0925ND
2014-07-159590-802-0910ND
2014-07-159590-803-1000ND
2014-07-159590-804-0855ND
2014-07-159590-805-1115ND
2014-07-159590-806-0845ND
2014-07-159590-807-0950ND
2014-08-199590-800-0915ND
2014-08-199590-801-0920ND
2014-08-199590-802-0905ND
2014-08-199590-803-1000ND
2014-08-199590-804-0900ND
2014-08-199590-805-1115ND
2014-08-199590-806-0840ND
2014-08-199590-807-0945ND
2014-09-169590-800-0850ND
2014-09-169590-801-0910ND
2014-09-169590-802-0855ND
2014-09-169590-803-0940ND
2014-09-169590-804-0835ND
2014-09-169590-805-1055ND
2014-09-169590-806-0830ND
2014-09-169590-807-0940ND
2014-10-149590-800-0915ND
2014-10-149590-801-0925ND
2014-10-149590-802-0910ND
2014-10-149590-803-1030ND
2014-10-149590-804-0900ND
2014-10-149590-805-1150ND
2014-10-149590-806-0845ND
2014-10-149590-807-1020ND
2014-11-189590-800-0920ND
2014-11-189590-801-0915ND
2014-11-189590-802-0855ND
2014-11-189590-803-1005ND
2014-11-189590-804-0905ND
2014-11-189590-805-1115ND
2014-11-189590-806-0830ND
2014-11-189590-807-0940ND
2014-12-099590-800-0855ND
2014-12-099590-801-0855ND
2014-12-099590-802-0840ND
2014-12-099590-803-0940ND
2014-12-099590-804-0840ND
2014-12-099590-805-1055ND
2014-12-099590-806-0815ND
2014-12-099590-807-0920ND
2015-01-209590-800-0820ND
2015-01-209590-801-0830ND
2015-01-209590-802-0815ND
2015-01-209590-803-0905ND
2015-01-209590-804-0805ND
2015-01-209590-805-1020ND
2015-01-209590-806-0745ND
2015-01-209590-807-0855ND
2015-02-109590-800-0925ND
2015-02-109590-801-0920ND
2015-02-109590-802-0905ND
2015-02-109590-803-1010ND
2015-02-109590-804-0905ND
2015-02-109590-805-1130ND
2015-02-109590-806-0840ND
2015-02-109590-807-0945ND
2015-03-179590-800-0815ND
2015-03-179590-801-0840ND
2015-03-179590-802-0825ND
2015-03-179590-803-0900ND
2015-03-179590-804-0800ND
2015-03-179590-805-1015ND
2015-03-179590-806-0800ND
2015-03-179590-807-0905ND
2015-04-149590-800-0840ND
2015-04-149590-801-0855ND
2015-04-149590-802-0840ND
2015-04-149590-803-0930ND
2015-04-149590-804-0830ND
2015-04-149590-805-1100ND
2015-04-149590-806-0815ND
2015-04-149590-807-0920ND
2015-05-129590-800-0915ND
2015-05-129590-801-0910ND
2015-05-129590-802-0855ND
2015-05-129590-803-1005ND
2015-05-129590-804-0900ND
2015-05-129590-805-1120ND
2015-05-129590-806-0830ND
2015-05-129590-807-0935ND
2015-06-169590-800-0855ND
2015-06-169590-801-0910ND
2015-06-169590-802-0855ND
2015-06-169590-803-0940ND
2015-06-169590-804-0840ND
2015-06-169590-805-1100ND
2015-06-169590-806-0830ND
2015-06-169590-807-0935ND
2015-07-219590-800-1140ND
2015-07-219590-801-0840ND
2015-07-219590-802-0830ND
2015-07-219590-803-1250ND
2015-07-219590-804-1130ND
2015-07-219590-805-1400ND
2015-07-219590-806-0810ND
2015-07-219590-807-0900ND
2015-08-189590-800-0900ND
2015-08-189590-801-0910ND
2015-08-189590-802-0855ND
2015-08-189590-803-0945ND
2015-08-189590-804-0845ND
2015-08-189590-805-1100ND
2015-08-189590-806-0830ND
2015-08-189590-807-0935ND
2015-09-159590-800-0915ND
2015-09-159590-801-1005ND
2015-09-159590-802-0950ND
2015-09-159590-803-1010ND
2015-09-159590-804-0900ND
2015-09-159590-805-1130ND
2015-09-159590-806-0855ND
2015-09-159590-807-1030ND
2015-10-209590-800-0740ND
2015-10-209590-801-0740ND
2015-10-209590-802-0725ND
2015-10-209590-803-0820ND
2015-10-209590-804-0725ND
2015-10-209590-805-0930ND
2015-10-209590-806-0700ND
2015-10-209590-807-0805ND
2015-11-179590-800-0930ND
2015-11-179590-801-0845ND
2015-11-179590-802-0830ND
2015-11-179590-803-1005ND
2015-11-179590-804-0915ND
2015-11-179590-805-1145ND
2015-11-179590-806-0815ND
2015-11-179590-807-0900ND
2015-12-159590-800-0835ND
2015-12-159590-801-0905ND
2015-12-159590-802-0850ND
2015-12-159590-803-0945ND
2015-12-159590-804-0815ND
2015-12-159590-805-1105ND
2015-12-159590-806-0820ND
2015-12-159590-807-0940ND
2016-01-199590-800-0805ND
2016-01-199590-801-0820ND
2016-01-199590-802-0805ND
2016-01-199590-803-0850ND
2016-01-199590-804-0750ND
2016-01-199590-805-1030ND
2016-01-199590-806-0740ND
2016-01-199590-807-0845ND
2016-02-169590-800-0845ND
2016-02-169590-801-0900ND
2016-02-169590-802-0845ND
2016-02-169590-803-0925ND
2016-02-169590-804-0835ND
2016-02-169590-805-1035ND
2016-02-169590-806-0820ND
2016-02-169590-807-0925ND
2016-03-159590-800-0855ND
2016-03-159590-801-0910ND
2016-03-159590-802-0855ND
2016-03-159590-803-0945ND
2016-03-159590-804-0840ND
2016-03-159590-805-1100ND
2016-03-159590-806-0830ND
2016-03-159590-807-0950ND
2016-04-199590-800-0845ND
2016-04-199590-801-0905ND
2016-04-199590-802-0850ND
2016-04-199590-803-0935ND
2016-04-199590-804-0830ND
2016-04-199590-805-1050ND
2016-04-199590-806-0825ND
2016-04-199590-807-0935ND
2016-07-199590-800-0925ND
2016-07-199590-801-0925ND
2016-07-199590-802-0910ND
2016-07-199590-803-1010ND
2016-07-199590-804-0910ND
2016-07-199590-805-1125ND
2016-07-199590-806-0845ND
2016-07-199590-807-0950ND
2016-08-169590-800-0850ND
2016-08-169590-801-0920ND
2016-08-169590-802-0905ND
2016-08-169590-803-0930ND
2016-08-169590-804-0840ND
2016-08-169590-805-1040ND
2016-08-169590-806-0840ND
2016-08-169590-807-0945ND
2016-10-189590-800-0850ND
2016-10-189590-801-0915ND
2016-10-189590-802-0900ND
2016-10-189590-803-0935ND
2016-10-189590-804-0830ND
2016-10-189590-805-1055ND
2016-10-189590-806-0835ND
2016-10-189590-807-0940ND
2016-11-159590-800-0915ND
2016-11-159590-801-0925ND
2016-11-159590-804-0900ND
2016-11-159590-807-0950ND
2017-03-219590-800-1145ND
2017-03-219590-801-0800ND
2017-03-219590-802-0745ND
2017-03-219590-803-1230ND
2017-03-219590-804-1130ND
2017-03-219590-805-1340ND
2017-03-219590-806-0720ND
2017-03-219590-807-0825ND
2017-04-189590-800-0825ND
2017-04-189590-801-0845ND
2017-04-189590-802-0830ND
2017-04-189590-803-0920ND
2017-04-189590-804-0810ND
2017-04-189590-805-1050ND
2017-04-189590-806-0805ND
2017-04-189590-807-0910ND
2017-07-189590-800-0930ND
2017-07-189590-801-0935ND
2017-07-189590-802-0920ND
2017-07-189590-803-1020ND
2017-07-189590-804-0915ND
2017-07-189590-805-1135ND
2017-07-189590-806-0855ND
2017-07-189590-807-1000ND
2017-08-159590-800-0915ND
2017-08-159590-801-0905ND
2017-08-159590-802-0850ND
2017-08-159590-803-1000ND
2017-08-159590-804-0855ND
2017-08-159590-805-1125ND
2017-08-159590-806-0825ND
2017-08-159590-807-0930ND
2017-09-129590-800-0930ND
2017-09-129590-801-0930ND
2017-09-129590-802-0915ND
2017-09-129590-803-1015ND
2017-09-129590-804-0915ND
2017-09-129590-805-1130ND
2017-09-129590-806-0845ND
2017-09-129590-807-0955ND
2017-10-179590-800-0925ND
2017-10-179590-801-0925ND
2017-10-179590-802-0910ND
2017-10-179590-803-1015ND
2017-10-179590-804-0905ND
2017-10-179590-805-1130ND
2017-10-179590-806-0845ND
2017-10-179590-807-0950ND
2017-11-079590-800-1005ND
2017-11-079590-801-1015ND
2017-11-079590-802-0950ND
2017-11-079590-803-1050ND
2017-11-079590-804-0950ND
2017-11-079590-805-1205ND
2017-11-079590-806-0915ND
2017-11-079590-807-1040ND
2017-12-129590-800-0910ND
2017-12-129590-801-0930ND
2017-12-129590-802-0915ND
2017-12-129590-803-1040ND
2017-12-129590-804-0900ND
2017-12-129590-805-1155ND
2017-12-129590-806-0850ND
2017-12-129590-807-0955ND
2018-01-169590-800-0920ND
2018-01-169590-801-0950ND
2018-01-169590-802-0930ND
2018-01-169590-803-1010ND
2018-01-169590-804-0900ND
2018-01-169590-805-1130ND
2018-01-169590-806-0905ND
2018-01-169590-807-1020ND
2018-02-209590-800-1020ND
2018-02-209590-801-0940ND
2018-02-209590-802-0920ND
2018-02-209590-803-1105ND
2018-02-209590-804-1000ND
2018-02-209590-805-1220ND
2018-02-209590-806-0850ND
2018-02-209590-807-1010ND
2018-03-209590-800-0945ND
2018-03-209590-801-0920ND
2018-03-209590-802-0900ND
2018-03-209590-803-1015ND
2018-03-209590-804-0920ND
2018-03-209590-805-1130ND
2018-03-209590-806-0830ND
2018-03-209590-807-0945ND
2018-04-179590-800-0945ND
2018-04-179590-801-0945ND
2018-04-179590-802-0930ND
2018-04-179590-803-1030ND
2018-04-179590-804-0915ND
2018-04-179590-805-1145ND
2018-04-179590-806-0905ND
2018-04-179590-807-1015ND
2018-05-159590-800-0800ND
2018-05-159590-801-0815ND
2018-05-159590-802-0800ND
2018-05-159590-803-0850ND
2018-05-159590-804-0745ND
2018-05-159590-805-1005ND
2018-05-159590-806-0735ND
2018-05-159590-807-0840ND
2018-06-199590-800-1030ND
2018-06-199590-801-0915ND
2018-06-199590-802-0855ND
2018-06-199590-803-1050ND
2018-06-199590-804-1010ND
2018-06-199590-805-1110ND
2018-06-199590-806-0835ND
2018-06-199590-807-0935ND
2018-08-149590-800-1050ND
2018-08-149590-801-0925ND
2018-08-149590-802-0905ND
2018-08-149590-803-1110ND
2018-08-149590-804-1030ND
2018-08-149590-805-1130ND
2018-08-149590-806-0845ND
2018-08-149590-807-0940ND
2018-09-189590-800-0830ND
2018-09-189590-801-0835ND
2018-09-189590-802-0820ND
2018-09-189590-803-0920ND
2018-09-189590-804-0815ND
2018-09-189590-805-1040ND
2018-09-189590-806-0805ND
2018-09-189590-807-0850ND
2018-10-169590-800-1015ND
2018-10-169590-801-0920ND
2018-10-169590-802-0900ND
2018-10-169590-803-1045ND
2018-10-169590-804-1000ND
2018-10-169590-805-1100ND
2018-10-169590-806-0840ND
2018-10-169590-807-0940ND
2018-11-139590-801-0950ND
2018-11-139590-802-0925ND
2018-11-139590-803-1120ND
2018-11-139590-804-1035ND
2018-11-139590-805-1145ND
2018-11-139590-806-0905ND
2018-11-139590-807-1010ND
2018-12-049590-800-0840ND
2018-12-119590-800-0905ND
2018-12-119590-801-0910ND
2018-12-119590-802-0900ND
2018-12-119590-803-0955ND
2018-12-119590-804-0850ND
2018-12-119590-805-1120ND
2018-12-119590-806-0800ND
2018-12-119590-807-0940ND
2019-01-159590-800-0915ND
2019-01-159590-801-1025ND
2019-01-159590-802-1010ND
2019-01-159590-803-1010ND
2019-01-159590-804-0900ND
2019-01-159590-805-1210ND
2019-01-159590-806-0900ND
2019-01-159590-807-1055ND
2019-02-199590-800-1010ND
2019-02-199590-801-1140ND
2019-02-199590-802-1120ND
2019-02-199590-803-1120ND
2019-02-199590-804-0950ND
2019-02-199590-805-1245ND
2019-02-199590-806-1050ND
2019-02-199590-807-1205ND
2019-03-199590-800-0900ND
2019-03-199590-801-0920ND
2019-03-199590-802-0905ND
2019-03-199590-803-0945ND
2019-03-199590-804-0845ND
2019-03-199590-805-1100ND
2019-03-199590-806-0840ND
2019-03-199590-807-0950ND
2019-04-169590-800-0900ND
2019-04-169590-801-0905ND
2019-04-169590-802-0845ND
2019-04-169590-803-0945ND
2019-04-169590-804-0845ND
2019-04-169590-805-1100ND
2019-04-169590-806-0815ND
2019-04-169590-807-0935ND
2019-05-209590-801-1030ND
2019-05-209590-802-1015ND
2019-05-209590-806-0910ND
2019-05-209590-807-1055ND
2019-05-219590-800-0905ND
2019-05-219590-803-1000ND
2019-05-219590-804-0850ND
2019-05-219590-805-1120ND
2019-06-179590-801-0910ND
2019-06-179590-802-0855ND
2019-06-179590-806-0745ND
2019-06-179590-807-0935ND
2019-06-189590-800-0805ND
2019-06-189590-803-0900ND
2019-06-189590-804-0750ND
2019-06-189590-805-1020ND
2019-07-159590-801-0855ND
2019-07-159590-802-0835ND
2019-07-159590-806-0810ND
2019-07-159590-807-0925ND
2019-07-169590-800-0825ND
2019-07-169590-803-0910ND
2019-07-169590-804-0805ND
2019-08-069590-805-1100ND
2019-08-199590-801-0850ND
2019-08-199590-802-0830ND
2019-08-199590-806-0800ND
2019-08-199590-807-0920ND
2019-08-209590-800-0830ND
2019-08-209590-803-0920ND
2019-08-209590-804-0810ND
2019-08-209590-805-1040ND
2019-09-169590-801-0810ND
2019-09-169590-802-0750ND
2019-09-169590-806-0730ND
2019-09-169590-807-0900ND
2019-09-179590-030-0800ND
2019-09-179590-800-1010ND
2019-09-179590-803-1105ND
2019-09-179590-804-0850ND
2019-09-179590-805-1120ND
2019-10-149590-801-0825ND
2019-10-149590-802-0805ND
2019-10-149590-806-0735ND
2019-10-149590-807-0855ND
2019-10-159590-800-0810ND
2019-10-159590-803-0920ND
2019-10-159590-804-0755ND
2019-10-159590-805-1055ND
2019-11-189590-801-0820ND
2019-11-189590-802-0800ND
2019-11-189590-806-0740ND
2019-11-189590-807-0845ND
2019-11-199590-800-0820ND
2019-11-199590-803-0920ND
2019-11-199590-804-0800ND
2019-11-199590-805-1040ND
2019-12-099590-801-1035ND
2019-12-099590-802-1020ND
2019-12-099590-806-0950ND
2019-12-099590-807-1100ND
2019-12-109590-800-0810ND
2019-12-109590-803-0900ND
2019-12-109590-804-0755ND
2019-12-109590-805-1020ND