Know Your Environment. Protect Your Health.

Monochloroacetic acid

Harris County Municipal Utility District 162

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
20181.30 ppb41ND - 5.20 ppb
20191.40 ppb41ND - 5.60 ppb
20200.675 ppb41ND - 2.70 ppb
2021ND40ND
20221.48 ppb41ND - 5.90 ppb
2023ND40ND

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
2018-01-30AE11240ND
2018-05-16AE265695.20 ppb
2018-08-23AE38425ND
2018-11-15AE46253ND
2019-03-07AE57577ND
2019-04-23AE63380ND
2019-08-27AE810225.60 ppb
2019-10-30AE87990ND
2020-02-26AF00024ND
2020-04-29AF087032.70 ppb
2020-08-17AF24102ND
2020-11-09AF33738ND
2021-03-08AF45666ND
2021-04-20AF50718ND
2021-09-01AF68564ND
2021-11-16AF76792ND
2022-03-03AF87486ND
2022-06-14AG007105.90 ppb
2022-09-08AG12132ND
2022-11-16AG19028ND
2023-02-28AG30817ND
2023-04-11AG36291ND
2023-08-23AG53711ND
2023-10-23AG60654ND