Know Your Environment. Protect Your Health.

Monochloroacetic acid

Harris County Municipal Utility District 136

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
20195.08 ppb43ND - 10.00 ppb
2020ND40ND
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
2018-02-08AE13013ND
2018-05-08AE25558ND
2018-08-01AE35289ND
2018-10-24AE44467ND
2019-01-28AE51613ND
2019-04-23AE6336810.00 ppb
2019-07-30AE763862.30 ppb
2019-10-10AE862898.00 ppb
2020-01-13AE93088ND
2020-04-01AF05265ND
2020-09-21AF27872ND
2020-11-05AF33439ND
2021-03-09AF45961ND
2021-04-20AF50685ND
2021-07-23AF63257ND
2021-10-12AF73139ND
2022-03-01AF86862ND
2022-05-09AF95945ND
2022-08-10AG08519ND
2022-11-14AG186775.90 ppb
2023-02-22AG29903ND
2023-05-15AG40480ND
2023-07-17AG48737ND
2023-10-09AG58871ND