Know Your Environment. Protect Your Health.

Monochloroacetic acid

Harris County Municipal Utility District 420

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
2018ND40ND
20191.35 ppb41ND - 5.40 ppb
2020ND40ND
2021ND40ND
2022ND40ND
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
2018-01-11AE08926ND
2018-04-03AE21011ND
2018-07-09AE32623ND
2018-10-10AE43112ND
2019-02-13AE54343ND
2019-04-04AE61206ND
2019-07-08AE734345.40 ppb
2019-12-13AE92432ND
2020-03-02AF00633ND
2020-06-09AF14648ND
2020-07-23AF20444ND
2020-11-20AF35489ND
2021-02-08AF42960ND
2021-04-13AF49957ND
2021-08-25AF67923ND
2021-10-25AF74530ND
2022-02-14AF84594ND
2022-05-18AF97740ND
2022-09-19AG13564ND
2022-12-12AG21498ND
2023-02-15AG29066ND
2023-04-19AG37345ND
2023-08-01AG50812ND
2023-10-30AG61479ND