Know Your Environment. Protect Your Health.

Monochloroacetic acid

Harris County Municipal Utility District 371

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20197.80 ppb117.80 ppb
2020ND10ND
20211.33 ppb31ND - 4.00 ppb
20220.263 ppb81ND - 2.10 ppb
20230.913 ppb81ND - 7.30 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
2018-06-26AE31430ND
2019-09-24AE843797.80 ppb
2020-05-08AF10347ND
2021-06-30AF601024.00 ppb
2021-09-17AF70357ND
2021-10-25AF74506ND
2022-02-22AF85826ND
2022-02-22AF85829ND
2022-04-25AF941962.10 ppb
2022-04-25AF94202ND
2022-09-23AG14749ND
2022-09-23AG14734ND
2022-10-24AG18050ND
2022-10-24AG18051ND
2023-01-26AG26438ND
2023-01-26AG26439ND
2023-04-05AG35552ND
2023-04-05AG355537.30 ppb
2023-07-07AG47528ND
2023-07-07AG47544ND
2023-10-18AG60228ND
2023-10-18AG60230ND