Know Your Environment. Protect Your Health.

Monochloroacetic acid

Purdon Water

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.833 ppb31ND - 2.50 ppb
2019ND10ND
20201.000 ppb111.000 ppb
20216.20 ppb116.20 ppb
2022ND40ND
20231.60 ppb441.30 ppb - 2.00 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
2018-02-01Q1804160001ND
2018-04-18Q18159270012.50 ppb
2018-07-18Q1828595001ND
2019-09-24Q1968205002ND
2020-09-24Q20378640021.000 ppb
2021-07-13Q21182580016.20 ppb
2022-03-16Q2208894001ND
2022-05-04Q2213454001ND
2022-08-24Q2225385001ND
2022-11-16Q2234492003ND
2023-02-15Q23062950021.80 ppb
2023-06-06Q23214550011.30 ppb
2023-08-22Q23354250012.00 ppb
2023-11-02Q23470790011.30 ppb