Know Your Environment. Protect Your Health.

Monochloroacetic acid

Marchi Central Farm

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
20200.380 ppb110.380 ppb
20210.530 ppb110.530 ppb
2022ND10ND
20230.320 ppb110.320 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
2018-06-06CA4100551_DST_900-201806061140ND
2019-09-24CA4100551_DST_900-201909240530ND
2020-08-05CA4100551_DST_900-2020080508300.380 ppb
2021-08-04CA4100551_DST_900-2021080407150.530 ppb
2022-08-03CA4100551_DST_900-202208030740ND
2023-08-01CA4100551_DST_900-2023080106300.320 ppb