Know Your Environment. Protect Your Health.

Monochloroacetic acid

Benton, City of

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20185.98 ppb42ND - 17.0 ppb
20191.55 ppb41ND - 6.20 ppb
20201.88 ppb41ND - 7.50 ppb
20210.500 ppb41ND - 2.00 ppb
2022ND40ND
20232.03 ppb41ND - 8.10 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
2018-03-05908196ND
2018-05-15971620ND
2018-08-07102212717.0 ppb
2018-11-0710744796.90 ppb
2019-02-111120288ND
2019-05-061157851ND
2019-08-0612197256.20 ppb
2019-11-041268030ND
2020-02-031317412ND
2020-05-051370706ND
2020-08-241508909ND
2020-11-1616609717.50 ppb
2021-02-011759268ND
2021-05-0518305522.00 ppb
2021-08-021900133ND
2021-11-012008960ND
2022-02-012180200ND
2022-05-092254552ND
2022-08-082329380ND
2022-11-072393643ND
2023-02-062445338ND
2023-05-022491777ND
2023-08-012547411ND
2023-11-0126023098.10 ppb