Know Your Environment. Protect Your Health.

Monochloroacetic acid

Clarendon Town WDS

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.60 ppb42ND - 3.50 ppb
20190.553 ppb42ND - 1.52 ppb
20200.635 ppb43ND - 1.20 ppb
20210.678 ppb42ND - 1.42 ppb
20221.51 ppb43ND - 3.32 ppb
20230.675 ppb42ND - 1.50 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
2018-02-2018P0025703.50 ppb
2018-06-1918P0093452.90 ppb
2018-08-2118P013942ND
2018-11-2618P019868ND
2019-02-2019P002457ND
2019-05-1519P0062301.52 ppb
2019-08-0719P0113650.690 ppb
2019-11-2019P017960ND
2020-02-1920P0026430.730 ppb
2020-05-0520P0105551.20 ppb
2020-08-1820P028606ND
2020-11-1820P0383700.610 ppb
2021-02-1721P002293 -11.29 ppb
2021-05-1821P0054551.42 ppb
2021-08-2021P009105ND
2021-11-1721P011431ND
2022-02-1522P0009250.900 ppb
2022-05-1822P0027583.32 ppb
2022-08-1722P0056211.80 ppb
2022-11-0422P007972ND
2023-02-1523P0008601.20 ppb
2023-05-1823P0028311.50 ppb
2023-08-1623P006035ND
2023-11-1523P008665ND