Know Your Environment. Protect Your Health.

Monochloroacetic acid

Arlington Waterworks

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
202315.0 ppb2211.5 ppb - 18.4 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
2018-09-061079086ND
2018-09-201084905ND
2019-09-051146182ND
2019-09-121148218ND
2020-09-301219248ND
2020-09-301219249ND
2021-09-091276882ND
2021-09-091276881ND
2022-09-151336817ND
2022-09-151336816ND
2023-09-20CB11602-0211.5 ppb
2023-09-20CB11602-0118.4 ppb