Know Your Environment. Protect Your Health.

Monochloroacetic acid

Harris County Water Control and Improvement District Fondren Road

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
2019ND40ND
20203.35 ppb42ND - 10.9 ppb
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
2018-02-28AE16031ND
2018-05-01AE24573ND
2018-07-24AE34325ND
2018-10-04AE42695ND
2019-01-30AE52198ND
2019-04-18AE62963ND
2019-08-12AE78042ND
2019-10-16AE86758ND
2020-01-21AE9431710.9 ppb
2020-04-09AF06297ND
2020-07-16AF19690ND
2020-10-08AF299812.50 ppb
2021-01-13AF39132ND
2021-05-12AF53535ND
2021-08-10AF65617ND
2021-10-11AF72893ND
2022-03-16AF89347ND
2022-06-02AF99330ND
2022-09-16AG13566ND
2022-11-21AG19431ND
2023-01-25AG26234ND
2023-05-04AG39375ND
2023-09-26AG57612ND
2023-10-18AG60284ND