Know Your Environment. Protect Your Health.

Monochloroacetic acid

Mascoutah

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
20190.763 ppb82ND - 3.80 ppb
20200.375 ppb81ND - 3.00 ppb
20210.663 ppb82ND - 3.00 ppb
20220.763 ppb82ND - 3.30 ppb
20230.975 ppb83ND - 2.70 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
2018-02-1438665801ND
2018-02-1438665901ND
2018-05-1639460601ND
2018-05-1639460701ND
2018-08-1540850301ND
2018-08-1540850401ND
2018-11-1341959701ND
2018-11-1341959601ND
2019-02-1343017301ND
2019-02-1343017201ND
2019-05-15441239013.80 ppb
2019-05-15441240012.30 ppb
2019-08-1446192801ND
2019-08-1446192701ND
2019-11-1347387201ND
2019-11-1347387101ND
2020-02-1948786501ND
2020-02-1948786401ND
2020-05-1349819501ND
2020-05-1349819601ND
2020-08-1351520501ND
2020-08-1351520401ND
2020-11-18524877013.00 ppb
2020-11-1852487601ND
2021-02-1753634801ND
2021-02-1753634701ND
2021-05-1954341601ND
2021-05-1954341701ND
2021-08-10559150012.30 ppb
2021-08-1055915101ND
2021-11-17569052013.00 ppb
2021-11-1756905301ND
2022-02-1657880501ND
2022-02-1657880401ND
2022-05-18586549012.80 ppb
2022-05-18586550013.30 ppb
2022-08-1060105801ND
2022-08-1060105901ND
2022-11-2161074101ND
2022-11-2161074201ND
2023-02-1562116301ND
2023-02-1562116401ND
2023-05-1763152701ND
2023-05-1763152801ND
2023-08-2467456601ND
2023-08-24674567012.70 ppb
2023-11-15686167012.70 ppb
2023-11-15686168012.40 ppb