Know Your Environment. Protect Your Health.

Monochloroacetic acid

Menoken Water District

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.455 ppb21ND - 0.910 ppb
20190.610 ppb110.610 ppb
20200.318 ppb42ND - 0.680 ppb
20210.158 ppb41ND - 0.630 ppb
20220.445 ppb41ND - 1.78 ppb
20230.480 ppb42ND - 1.18 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 Result
2018-08-01ND
2018-11-070.910 ppb
2019-11-060.610 ppb
2020-02-040.590 ppb
2020-05-06ND
2020-08-06ND
2020-11-040.680 ppb
2021-02-030.630 ppb
2021-05-05ND
2021-08-04ND
2021-11-10ND
2022-02-15ND
2022-05-051.78 ppb
2022-08-03ND
2022-11-09ND
2023-02-080.740 ppb
2023-05-021.18 ppb
2023-08-07ND
2023-11-07ND