Know Your Environment. Protect Your Health.

Monochloroacetic acid

Centerville Water Supply Corporation

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
20183.34 ppb86ND - 7.90 ppb
2019ND80ND
20200.288 ppb81ND - 2.30 ppb
20210.313 ppb81ND - 2.50 ppb
2022ND80ND
20235.34 ppb882.50 ppb - 10.3 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
2018-02-06Q1804822010ND
2018-02-06Q1804822009ND
2018-05-30Q18217840022.40 ppb
2018-05-30Q18217840014.20 ppb
2018-08-30Q18350270011.50 ppb
2018-08-30Q18350270024.10 ppb
2018-11-15Q18466550016.60 ppb
2018-11-15Q18466550027.90 ppb
2019-03-26Q1912349005ND
2019-03-26Q1912349006ND
2019-06-11Q1934420001ND
2019-06-11Q1934420002ND
2019-09-25Q1969531002ND
2019-09-25Q1969531001ND
2019-12-18Q1980815001ND
2019-12-18Q1980815002ND
2020-02-20Q20066100052.30 ppb
2020-02-20Q2006610006ND
2020-06-02Q2022170001ND
2020-06-02Q2022170002ND
2020-08-25Q2034071001ND
2020-08-25Q2034071002ND
2020-12-01Q2048000001ND
2020-12-01Q2048000002ND
2021-03-01Q2105155001ND
2021-03-01Q2105155002ND
2021-05-11Q2112093001ND
2021-05-11Q2112093002ND
2021-07-27Q2119563001ND
2021-07-27Q2119563002ND
2021-10-06Q2127584008ND
2021-10-06Q21275840092.50 ppb
2022-01-25Q2202539005ND
2022-01-25Q2202539006ND
2022-04-06Q2210669001ND
2022-04-06Q2210669002ND
2022-07-19Q2220686001ND
2022-07-19Q2220686002ND
2022-10-10Q2230473001ND
2022-10-10Q2230473002ND
2023-01-04Q23005580019.30 ppb
2023-01-04Q230055800210.3 ppb
2023-06-12Q23221030012.90 ppb
2023-06-12Q23221030023.30 ppb
2023-07-27Q23302750015.90 ppb
2023-07-27Q23302750025.80 ppb
2023-11-30Q23510740012.70 ppb
2023-11-30Q23510740022.50 ppb