Know Your Environment. Protect Your Health.

Monochloroacetic acid

Harris County Municipal Utility District 276

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
20193.23 ppb85ND - 14.7 ppb
20200.825 ppb81ND - 6.60 ppb
20210.775 ppb82ND - 3.70 ppb
2022ND80ND
2023ND80ND

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
2018-02-07AE12725ND
2018-02-07AE12724ND
2018-05-14AE26142ND
2018-05-14AE26130ND
2018-08-27AE38496ND
2018-08-27AE38502ND
2018-11-29AE47371ND
2018-11-29AE47374ND
2019-02-04AE526422.90 ppb
2019-02-04AE526473.40 ppb
2019-04-22AE6315414.7 ppb
2019-04-22AE631572.30 ppb
2019-08-08AE77720ND
2019-08-08AE776962.50 ppb
2019-12-11AE92111ND
2019-12-11AE92113ND
2020-01-29AE95974ND
2020-01-29AE95975ND
2020-04-08AF061466.60 ppb
2020-04-08AF06148ND
2020-07-20AF19895ND
2020-07-20AF19896ND
2020-11-10AF34073ND
2020-11-10AF34075ND
2021-01-21AF40302ND
2021-01-21AF40303ND
2021-06-07AF566113.70 ppb
2021-06-07AF566142.50 ppb
2021-08-02AF64192ND
2021-08-02AF64193ND
2021-11-08AF75985ND
2021-11-08AF75990ND
2022-03-03AF87459ND
2022-03-03AF87460ND
2022-05-13AF96964ND
2022-05-13AF96969ND
2022-08-01AG07053ND
2022-08-01AG07056ND
2022-12-15AG21921ND
2022-12-15AG21922ND
2023-02-09AG28332ND
2023-02-09AG28333ND
2023-04-26AG38164ND
2023-04-26AG38167ND
2023-08-07AG51529ND
2023-08-07AG51544ND
2023-10-16AG59861ND
2023-10-16AG59864ND