Know Your Environment. Protect Your Health.

Monochloroacetic acid

Lawrence 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.68 ppb43ND - 3.40 ppb
20191.63 ppb43ND - 2.30 ppb
20200.650 ppb42ND - 1.60 ppb
20212.00 ppb43ND - 3.80 ppb
20220.400 ppb41ND - 1.60 ppb
20232.13 ppb441.50 ppb - 2.60 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
2018-02-06Q1804641001ND
2018-04-26Q18170510013.40 ppb
2018-08-08Q18314770021.30 ppb
2018-11-06Q18446750012.00 ppb
2019-01-22Q19032130012.00 ppb
2019-04-24Q19167560012.30 ppb
2019-09-10Q1963555001ND
2019-11-25Q19779910012.20 ppb
2020-02-04Q2004532002ND
2020-04-22Q20160870011.60 ppb
2020-08-03Q2030168001ND
2020-12-02Q20480640011.000 ppb
2021-02-09Q21038700011.30 ppb
2021-04-21Q21103110012.90 ppb
2021-08-12Q21216640013.80 ppb
2021-10-28Q2130415001ND
2022-02-10Q2204933001ND
2022-06-09Q2216204002ND
2022-09-06Q2226281001ND
2022-10-31Q22327030011.60 ppb
2023-02-23Q23076360021.50 ppb
2023-06-19Q23230630012.50 ppb
2023-08-17Q23346930012.60 ppb
2023-11-14Q23487050011.90 ppb