Know Your Environment. Protect Your Health.

Monochloroacetic acid

Galveston County Water Control and Improvement District 8

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
20191.10 ppb82ND - 4.60 ppb
2020ND80ND
2021ND80ND
2022ND80ND
20230.988 ppb82ND - 4.10 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk.a public health goal. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-05AE12202ND
2018-02-05AE12201ND
2018-04-13AE22498ND
2018-04-13AE22461ND
2018-07-18AE33738ND
2018-07-18AE33739ND
2018-10-31AE45036ND
2018-10-31AE45037ND
2019-02-04AE52661ND
2019-02-04AE52662ND
2019-04-25AE63693ND
2019-04-25AE63700ND
2019-07-29AE761344.60 ppb
2019-07-29AE761324.20 ppb
2019-10-25AE87687ND
2019-10-25AE87699ND
2020-03-11AF02241ND
2020-03-11AF02242ND
2020-05-29AF13362ND
2020-05-29AF13365ND
2020-07-20AF19874ND
2020-07-20AF19880ND
2020-11-19AF35266ND
2020-11-19AF35271ND
2021-01-20AF40056ND
2021-01-20AF40058ND
2021-04-09AF49722ND
2021-04-09AF49724ND
2021-07-20AF62614ND
2021-07-20AF62615ND
2021-11-05AF75939ND
2021-11-05AF75944ND
2022-02-16AF85203ND
2022-02-16AF85204ND
2022-05-11AF96465ND
2022-05-11AF96473ND
2022-08-18AG09967ND
2022-08-18AG09969ND
2022-11-21AG19384ND
2022-11-21AG19386ND
2023-02-08AG27981ND
2023-02-08AG27983ND
2023-05-18AG41082ND
2023-05-18AG41084ND
2023-07-21Q23303630013.80 ppb
2023-07-21Q23303630024.10 ppb
2023-10-11AG59359ND
2023-10-11AG59366ND