Know Your Environment. Protect Your Health.

Monochloroacetic acid

Hudson, Town of

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.

 

49

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.300 ppb41ND - 1.20 ppb
2019ND70ND
20200.386 ppb142ND - 3.10 ppb
2021ND80ND
20220.513 ppb82ND - 2.10 ppb
2023ND80ND

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
2018-01-09ND
2018-04-05ND
2018-07-10ND
2018-10-181.20 ppb
2019-01-02ND
2019-04-02ND
2019-07-02ND
2019-10-08ND
2019-10-08ND
2019-10-15ND
2019-10-15ND
2020-01-08ND
2020-01-08ND
2020-01-14ND
2020-01-14ND
2020-04-15ND
2020-04-15ND
2020-04-23ND
2020-04-232.30 ppb
2020-07-14ND
2020-07-14ND
2020-07-21ND
2020-07-213.10 ppb
2020-10-07ND
2020-10-07ND
2021-01-28ND
2021-01-28ND
2021-04-27ND
2021-04-27ND
2021-07-13ND
2021-07-13ND
2021-10-14ND
2021-10-15ND
2022-01-13ND
2022-01-132.10 ppb
2022-04-22ND
2022-04-22ND
2022-07-18ND
2022-07-20ND
2022-10-062.00 ppb
2022-10-06ND
2023-01-13ND
2023-01-13ND
2023-04-11ND
2023-04-11ND
2023-07-11ND
2023-07-11ND
2023-10-18ND
2023-10-18ND