Know Your Environment. Protect Your Health.

Monochloroacetic acid

Marathon Water Supply & Sewer Service Company

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND10ND
2022ND10ND
202318.0 ppb1118.0 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
2018-02-28Q1808790004ND
2018-02-28Q1808790010ND
2019-06-18Q1937878005ND
2019-06-18Q1937878006ND
2020-06-22Q2025194007ND
2020-06-22Q2025194008ND
2021-06-23Q2116477009ND
2022-08-09Q2223218005ND
2023-07-26Q232985600218.0 ppb