Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochloroacetic acid

Paramount Water Department

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

 

191

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
2015ND310ND
20160.218 ppb322ND - 5.78 ppb
20170.754 ppb4010ND - 6.97 ppb
20180.0872 ppb321ND - 2.79 ppb
2019ND240ND

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
2014-01-079469-800-0757ND
2014-01-079469-801-0811ND
2014-01-079469-802-1026ND
2014-01-079469-803-0823ND
2014-01-079469-804-0841ND
2014-01-079469-805-0856ND
2014-01-079469-806-1009ND
2014-01-079469-807-1035ND
2014-04-019469-800-0814ND
2014-04-019469-801-0821ND
2014-04-019469-802-1045ND
2014-04-019469-803-0832ND
2014-04-019469-804-0850ND
2014-04-019469-805-1005ND
2014-04-019469-806-1015ND
2014-04-019469-807-1035ND
2014-07-019469-800-0745ND
2014-07-019469-801-0756ND
2014-07-019469-802-0812ND
2014-07-019469-803-0823ND
2014-07-019469-804-0850ND
2014-07-019469-805-0833ND
2014-07-019469-806-0840ND
2014-07-019469-807-0804ND
2014-10-079469-800-1001ND
2014-10-079469-801-1033ND
2014-10-079469-802-1041ND
2014-10-079469-803-1052ND
2014-10-079469-804-1236ND
2014-10-079469-805-1246ND
2014-10-079469-806-1011ND
2014-10-079469-807-1046ND
2015-01-069469-800-0952ND
2015-01-069469-801-1008ND
2015-01-069469-802-1020ND
2015-01-069469-803-1043ND
2015-01-069469-804-1116ND
2015-01-069469-805-1101ND
2015-01-069469-806-1050ND
2015-01-069469-807-1031ND
2015-04-219469-800-0740ND
2015-04-219469-801-0750ND
2015-04-219469-802-0758ND
2015-04-219469-803-0809ND
2015-04-219469-804-0858ND
2015-04-219469-805-0844ND
2015-04-219469-806-0835ND
2015-04-219469-807-0822ND
2015-07-289469-800-0750ND
2015-07-289469-801-0756ND
2015-07-289469-802-0815ND
2015-07-289469-803-0828ND
2015-07-289469-804-0856ND
2015-07-289469-805-1020ND
2015-07-289469-806-1032ND
2015-07-289469-807-0841ND
2015-10-209469-801-1041ND
2015-10-209469-802-1015ND
2015-10-209469-803-1006ND
2015-10-209469-804-0936ND
2015-10-209469-805-0948ND
2015-10-209469-806-0954ND
2015-10-209469-807-1022ND
2016-01-119469-800-1005ND
2016-01-119469-801-1054ND
2016-01-119469-802-1101ND
2016-01-119469-803-1121ND
2016-01-119469-804-1150ND
2016-01-119469-805-1134ND
2016-01-119469-806-1141ND
2016-01-119469-807-1110ND
2016-05-189469-800-1119ND
2016-05-189469-801-1126ND
2016-05-189469-802-0900ND
2016-05-189469-803-1135ND
2016-05-189469-804-1049ND
2016-05-189469-805-1100ND
2016-05-189469-806-1109ND
2016-05-189469-807-0850ND
2016-07-189469-800-13241.21 ppb
2016-07-189469-801-1318ND
2016-07-189469-802-1303ND
2016-07-189469-803-1255ND
2016-07-189469-804-1246ND
2016-07-189469-805-12305.78 ppb
2016-07-189469-806-1236ND
2016-07-189469-807-1310ND
2016-10-119469-800-0918ND
2016-10-119469-801-0722ND
2016-10-119469-802-0739ND
2016-10-119469-803-1028ND
2016-10-119469-804-0907ND
2016-10-119469-805-0857ND
2016-10-119469-806-0847ND
2016-10-119469-807-0818ND
2017-03-209469-800-11101.91 ppb
2017-03-209469-801-11182.42 ppb
2017-03-209469-802-11332.55 ppb
2017-03-209469-803-12532.64 ppb
2017-03-209469-804-13291.96 ppb
2017-03-209469-805-13062.51 ppb
2017-03-209469-806-13181.89 ppb
2017-03-209469-807-11274.18 ppb
2017-04-179469-800-1020ND
2017-04-179469-801-1026ND
2017-04-179469-802-1034ND
2017-04-179469-803-0847ND
2017-04-179469-804-1055ND
2017-04-179469-805-0900ND
2017-04-179469-806-1046ND
2017-04-179469-807-0746ND
2017-07-119469-800-1020ND
2017-07-119469-801-1027ND
2017-07-119469-802-1036ND
2017-07-119469-803-1058ND
2017-07-119469-804-1136ND
2017-07-119469-805-1125ND
2017-07-119469-806-1114ND
2017-07-119469-807-1046ND
2017-10-039469-800-0920ND
2017-10-039469-801-0727ND
2017-10-039469-802-09293.13 ppb
2017-10-039469-803-0938ND
2017-10-039469-804-1015ND
2017-10-039469-805-1000ND
2017-10-039469-806-0950ND
2017-10-039469-807-08106.97 ppb
2017-10-179469-800-1017ND
2017-10-179469-801-1029ND
2017-10-179469-802-1035ND
2017-10-179469-803-1106ND
2017-10-179469-804-1123ND
2017-10-179469-805-1130ND
2017-10-179469-806-1114ND
2017-10-179469-807-1054ND
2018-01-169469-800-0650ND
2018-01-169469-801-0655ND
2018-01-169469-802-0707ND
2018-01-169469-803-0735ND
2018-01-169469-804-0914ND
2018-01-169469-805-1044ND
2018-01-169469-806-1031ND
2018-01-169469-807-1019ND
2018-04-239469-800-1150ND
2018-04-239469-801-1205ND
2018-04-239469-802-1211ND
2018-04-239469-803-1229ND
2018-04-239469-804-1300ND
2018-04-239469-805-1249ND
2018-04-239469-806-1240ND
2018-04-239469-807-1218ND
2018-07-179469-800-0720ND
2018-07-179469-801-1208ND
2018-07-179469-802-0836ND
2018-07-179469-803-0742ND
2018-07-179469-804-0913ND
2018-07-179469-805-0902ND
2018-07-179469-806-0853ND
2018-07-179469-807-08222.79 ppb
2018-10-169469-800-0732ND
2018-10-169469-801-1145ND
2018-10-169469-802-0804ND
2018-10-169469-803-0749ND
2018-10-169469-804-0935ND
2018-10-169469-805-0924ND
2018-10-169469-806-0912ND
2018-10-169469-807-0852ND
2019-01-159469-800-0705ND
2019-01-159469-801-0714ND
2019-01-159469-802-0721ND
2019-01-159469-803-0734ND
2019-01-159469-804-1010ND
2019-01-159469-805-0955ND
2019-01-159469-806-0948ND
2019-01-159469-807-0935ND
2019-04-239469-800-0723ND
2019-04-239469-801-1027ND
2019-04-239469-802-1016ND
2019-04-239469-803-0836ND
2019-04-239469-804-0900ND
2019-04-239469-805-0851ND
2019-04-239469-806-0844ND
2019-04-239469-807-0817ND
2019-10-159469-800-0744ND
2019-10-159469-801-0751ND
2019-10-159469-802-0802ND
2019-10-159469-803-0817ND
2019-10-159469-804-0850ND
2019-10-159469-805-0841ND
2019-10-159469-806-0831ND
2019-10-159469-807-0807ND