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EWG's Tap Water Database — 2021 UPDATE

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Monochloroacetic acid

City of Orange

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

 

176

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
20140.288 ppb162ND - 2.50 ppb
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
2014-02-123761-801-1021ND
2014-02-123761-802-1002ND
2014-02-123761-803-0912ND
2014-02-123761-804-0924ND
2014-02-123761-805-0945ND
2014-02-123761-806-0936ND
2014-02-123761-807-0900ND
2014-02-123761-808-1040ND
2014-08-133761-801-0907ND
2014-08-133761-802-0853ND
2014-08-133761-803-08012.50 ppb
2014-08-133761-804-08112.10 ppb
2014-08-133761-805-0838ND
2014-08-133761-806-0822ND
2014-08-133761-807-0748ND
2014-08-133761-808-0920ND
2015-02-053761-801-1037ND
2015-02-053761-802-1112ND
2015-02-053761-803-0937ND
2015-02-053761-804-0945ND
2015-02-053761-805-1011ND
2015-02-053761-806-0956ND
2015-02-053761-807-0921ND
2015-02-053761-808-1056ND
2015-05-203761-801-0945ND
2015-05-203761-802-0933ND
2015-05-203761-803-0833ND
2015-05-203761-804-0840ND
2015-05-203761-805-0918ND
2015-05-203761-806-0904ND
2015-05-203761-807-0820ND
2015-05-203761-808-1003ND
2015-08-133761-801-1120ND
2015-08-133761-802-1100ND
2015-08-133761-803-1011ND
2015-08-133761-804-1020ND
2015-08-133761-805-1050ND
2015-08-133761-806-1031ND
2015-08-133761-807-0958ND
2015-08-133761-808-1130ND
2015-11-183761-801-1102ND
2015-11-183761-802-1050ND
2015-11-183761-803-1009ND
2015-11-183761-804-1018ND
2015-11-183761-805-1038ND
2015-11-183761-806-1027ND
2015-11-183761-807-0958ND
2015-11-183761-808-1112ND
2016-02-183761-801-0930ND
2016-02-183761-802-0913ND
2016-02-183761-803-0822ND
2016-02-183761-804-0833ND
2016-02-183761-805-0858ND
2016-02-183761-806-0844ND
2016-02-183761-807-0812ND
2016-02-183761-808-0942ND
2016-05-183761-801-1042ND
2016-05-183761-802-1029ND
2016-05-183761-803-0922ND
2016-05-183761-804-0929ND
2016-05-183761-805-1018ND
2016-05-183761-806-1000ND
2016-05-183761-807-0914ND
2016-05-183761-808-1051ND
2016-08-173761-801-0916ND
2016-08-173761-802-0903ND
2016-08-173761-803-0802ND
2016-08-173761-804-0810ND
2016-08-173761-805-0837ND
2016-08-173761-806-0822ND
2016-08-173761-807-0750ND
2016-08-173761-808-0927ND
2016-11-163761-801-0956ND
2016-11-163761-802-0946ND
2016-11-163761-803-0901ND
2016-11-163761-804-0910ND
2016-11-163761-805-0932ND
2016-11-163761-806-0922ND
2016-11-163761-807-0850ND
2016-11-163761-808-1008ND
2017-02-153761-801-1009ND
2017-02-153761-802-0958ND
2017-02-153761-803-0920ND
2017-02-153761-804-0926ND
2017-02-153761-805-0947ND
2017-02-153761-806-0936ND
2017-02-153761-807-0911ND
2017-02-153761-808-1035ND
2017-05-103761-801-0924ND
2017-05-103761-802-0912ND
2017-05-103761-803-0808ND
2017-05-103761-804-0818ND
2017-05-103761-805-0900ND
2017-05-103761-806-0830ND
2017-05-103761-807-0759ND
2017-05-103761-808-0939ND
2017-08-173761-801-1010ND
2017-08-173761-802-1000ND
2017-08-173761-803-0925ND
2017-08-173761-804-0932ND
2017-08-173761-805-0950ND
2017-08-173761-806-0939ND
2017-08-173761-807-0915ND
2017-08-173761-808-1020ND
2017-11-293761-801-1004ND
2017-11-293761-802-0952ND
2017-11-293761-803-0909ND
2017-11-293761-804-0916ND
2017-11-293761-805-0941ND
2017-11-293761-806-0927ND
2017-11-293761-807-0855ND
2017-11-293761-808-1015ND
2018-02-153761-801-0957ND
2018-02-153761-802-0946ND
2018-02-153761-803-0904ND
2018-02-153761-804-0911ND
2018-02-153761-805-0934ND
2018-02-153761-806-0922ND
2018-02-153761-807-0850ND
2018-02-153761-808-1005ND
2018-05-163761-801-0940ND
2018-05-163761-802-0927ND
2018-05-163761-803-0852ND
2018-05-163761-804-0857ND
2018-05-163761-805-0918ND
2018-05-163761-806-0904ND
2018-05-163761-807-0844ND
2018-05-163761-808-0948ND
2018-08-153761-801-0949ND
2018-08-153761-802-0940ND
2018-08-153761-803-0902ND
2018-08-153761-804-0911ND
2018-08-153761-805-0929ND
2018-08-153761-806-0915ND
2018-08-153761-807-0854ND
2018-08-153761-808-0958ND
2018-11-153761-801-1114ND
2018-11-153761-802-1105ND
2018-11-153761-803-1034ND
2018-11-153761-804-1039ND
2018-11-153761-805-1054ND
2018-11-153761-806-1045ND
2018-11-153761-807-1027ND
2018-11-153761-808-1122ND
2019-02-203761-801-1040ND
2019-02-203761-802-1031ND
2019-02-203761-803-0958ND
2019-02-203761-804-1003ND
2019-02-203761-805-1020ND
2019-02-203761-806-1011ND
2019-02-203761-807-0951ND
2019-02-203761-808-1047ND
2019-05-153761-801-1009ND
2019-05-153761-802-1000ND
2019-05-153761-803-0928ND
2019-05-153761-804-0934ND
2019-05-153761-805-0951ND
2019-05-153761-806-0941ND
2019-05-153761-807-0917ND
2019-05-153761-808-1016ND
2019-08-143761-801-1010ND
2019-08-143761-802-1001ND
2019-08-143761-803-0925ND
2019-08-143761-804-0932ND
2019-08-143761-805-0949ND
2019-08-143761-806-0940ND
2019-08-143761-807-0917ND
2019-08-143761-808-1017ND
2019-11-223761-801-0926ND
2019-11-223761-802-0917ND
2019-11-223761-803-0844ND
2019-11-223761-804-0850ND
2019-11-223761-805-0907ND
2019-11-223761-806-0857ND
2019-11-223761-807-0838ND
2019-11-223761-808-0933ND