Know Your Environment. Protect Your Health.

Monochloroacetic acid

CTWC - Naugatuck Region-Central System

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND160ND
2020ND160ND
20210.144 ppb164ND - 0.600 ppb
2022ND160ND
2023ND160ND

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
2018-02-14BZ89698HAA5ND
2018-02-14BZ89699HAA5ND
2018-02-14BZ89700HAA5ND
2018-02-14BZ89697HAA5ND
2018-05-21CA50437HAA5ND
2018-05-21CA50438HAA5ND
2018-05-21CA50439HAA5ND
2018-05-21CA50440HAA5ND
2018-08-20CB14939ND
2018-08-20CB14940ND
2018-08-20CB14941ND
2018-08-20CB14942ND
2018-11-20DBP 200513504ND
2018-11-20DBP 200513534ND
2018-11-20DBP 200513506ND
2018-11-20DBP 200513502ND
2019-02-20DBP 200522447ND
2019-02-20DBP 200522448ND
2019-02-20DBP 200522449ND
2019-02-20DBP 200522450ND
2019-05-21DBP 200533257ND
2019-05-21DBP 200533258ND
2019-05-21DBP 200533259ND
2019-05-21DBP 200533260ND
2019-08-20DBP 200545891ND
2019-08-20DBP 200545893ND
2019-08-20DBP 200545892ND
2019-08-20DBP 200545890ND
2019-11-19DBP 200557405ND
2019-11-19DBP 200557406ND
2019-11-19DBP 200557407ND
2019-11-19DBP 200557404ND
2020-02-19DBP 200566880ND
2020-02-19DBP 200566881ND
2020-02-19DBP 200566882ND
2020-02-19DBP 200566883ND
2020-05-05DBP 200574629ND
2020-05-05DBP 200574630ND
2020-05-05DBP 200574628ND
2020-05-05DBP 200574627ND
2020-08-14DBP 200586717ND
2020-08-14DBP 200586721ND
2020-08-14DBP 200586722ND
2020-08-14DBP 200586723ND
2020-11-17DBP 200598529ND
2020-11-17DBP 200598530ND
2020-11-17DBP 200598531ND
2020-11-17DBP 200598532ND
2021-02-17DBP 2006070910.600 ppb
2021-02-17DBP 200607088ND
2021-02-17DBP 200607089ND
2021-02-17DBP 200607090ND
2021-05-21DBP 200618174ND
2021-05-21DBP 200618175ND
2021-05-21DBP 200618176ND
2021-05-21DBP 2006181730.600 ppb
2021-08-12DBP 2006289190.500 ppb
2021-08-12DBP 200628920ND
2021-08-12DBP 200628921ND
2021-08-12DBP 200628922ND
2021-11-02D300094268 300094275ND
2021-11-02D300094267 300094273ND
2021-11-02D300094266 300094271ND
2021-11-02D300094265 3000942690.600 ppb
2022-02-22CK73058ND
2022-02-22CK73059ND
2022-02-22CK73060ND
2022-02-22CK73061ND
2022-05-20CL36073ND
2022-05-20CL36074ND
2022-05-20CL36075ND
2022-05-20CL36076ND
2022-08-03CL96383ND
2022-08-03CL96381ND
2022-08-03CL96380ND
2022-08-03CL96382ND
2022-11-04CM79285ND
2022-11-04CM79286ND
2022-11-04CM79287ND
2022-11-04CM79288ND
2023-02-09CN41441ND
2023-02-09CN41442ND
2023-02-09CN41443ND
2023-02-09CN41444ND
2023-05-08CO01645ND
2023-05-08CO01647ND
2023-05-08CO01646ND
2023-05-08CO01644ND
2023-08-04CO68170ND
2023-08-04CO68171ND
2023-08-04CO68172ND
2023-08-04CO68173ND
2023-11-03CP41463ND
2023-11-03CP41464ND
2023-11-03CP41465ND
2023-11-03CP41466ND