Know Your Environment. Protect Your Health.

Monochloroacetic acid

Denton County Fresh Water Supply District 8-b Paloma

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
20181.28 ppb43ND - 2.30 ppb
20190.650 ppb42ND - 1.40 ppb
20200.575 ppb42ND - 1.20 ppb
20210.425 ppb41ND - 1.70 ppb
2022ND40ND
20231.68 ppb43ND - 3.40 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
2018-01-03Q1800334001ND
2018-04-05Q18141790012.30 ppb
2018-07-05Q18265630011.80 ppb
2018-10-03Q18397180021.000 ppb
2019-01-08Q1900593002ND
2019-04-09Q19145060011.40 ppb
2019-08-05Q19507260011.20 ppb
2019-10-02Q1971113002ND
2020-01-15Q2001589001ND
2020-05-18Q20196690011.10 ppb
2020-09-10Q20361080011.20 ppb
2020-11-24Q2047156002ND
2021-02-24Q2104752003ND
2021-05-26Q21138120011.70 ppb
2021-08-24Q2123030001ND
2021-11-10Q2131595001ND
2022-02-15Q2205432002ND
2022-05-09Q2213788001ND
2022-08-18Q2224620002ND
2022-10-18Q2231730001ND
2023-01-27Q2304401001ND
2023-06-12Q23221180012.00 ppb
2023-08-29Q23373230023.40 ppb
2023-11-08Q23480520011.30 ppb