Know Your Environment. Protect Your Health.

Dichloroacetic acid

Cromwell Fire District Water Department

Dichloroacetic 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)

34

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.363 ppb165ND - 1.50 ppb
20190.206 ppb163ND - 1.20 ppb
20200.725 ppb169ND - 1.50 ppb
20210.631 ppb168ND - 1.60 ppb
20220.419 ppb164ND - 2.00 ppb
20230.344 ppb165ND - 1.20 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic 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. This health guideline protects against cancer and harm to reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-23BZ78968HAA51.000 ppb
2018-01-23BZ78969HAA5ND
2018-01-23BZ78970HAA5ND
2018-01-23BZ78967HAA5ND
2018-04-24CA34727HAA51.50 ppb
2018-04-24CA34728HAA5ND
2018-04-24CA34729HAA5ND
2018-04-24CA34730HAA5ND
2018-07-24CA964471.20 ppb
2018-07-24CA964481.000 ppb
2018-07-24CA964491.10 ppb
2018-07-24CA96450ND
2018-10-23CB79905ND
2018-10-23CB79907ND
2018-10-23CB79906ND
2018-10-23CB79904ND
2019-01-22CC32593ND
2019-01-22CC325941.10 ppb
2019-01-22CC32595ND
2019-01-22CC32596ND
2019-04-23CC997001.20 ppb
2019-04-23CC99701ND
2019-04-23CC99702ND
2019-04-23CC99703ND
2019-07-23CD62967ND
2019-07-23CD62969ND
2019-07-23CD629681.000 ppb
2019-07-23CD62966ND
2019-10-22CE45287ND
2019-10-22CE45288ND
2019-10-22CE45289ND
2019-10-22CE45286ND
2020-01-28CF22057ND
2020-01-28CF220581.20 ppb
2020-01-28CF22059ND
2020-01-28CF22060ND
2020-04-28CF79828ND
2020-04-28CF798291.10 ppb
2020-04-28CF798271.50 ppb
2020-04-28CF79826ND
2020-07-28CG42024ND
2020-07-28CG420251.50 ppb
2020-07-28CG420261.30 ppb
2020-07-28CG420271.30 ppb
2020-10-13CG95665ND
2020-10-13CG956661.000 ppb
2020-10-13CG956671.50 ppb
2020-10-13CG956681.20 ppb
2021-01-26CH52592ND
2021-01-26CH52589ND
2021-01-26CH52590ND
2021-01-26CH52591ND
2021-04-27CI161301.60 ppb
2021-04-27CI161311.20 ppb
2021-04-27CI161321.40 ppb
2021-04-27CI161291.20 ppb
2021-07-27CI824801.000 ppb
2021-07-27CI824811.20 ppb
2021-07-27CI824821.10 ppb
2021-07-27CI824831.40 ppb
2021-10-26CJ64983ND
2021-10-26CJ64982ND
2021-10-26CJ64981ND
2021-10-26CJ64980ND
2022-01-25CK22523ND
2022-01-25CK22524ND
2022-01-25CK22525ND
2022-01-25CK22526ND
2022-04-26CL165251.80 ppb
2022-04-26CL165261.10 ppb
2022-04-26CL165272.00 ppb
2022-04-26CL165281.80 ppb
2022-07-26CL89039ND
2022-07-26CL89037ND
2022-07-26CL89036ND
2022-07-26CL89038ND
2022-10-25CM69531ND
2022-10-25CM69532ND
2022-10-25CM69533ND
2022-10-25CM69534ND
2023-01-24CN289231.000 ppb
2023-01-24CN289241.20 ppb
2023-01-24CN28925ND
2023-01-24CN289261.10 ppb
2023-04-25CN907011.20 ppb
2023-04-25CN90703ND
2023-04-25CN90702ND
2023-04-25CN90700ND
2023-07-23CO57974ND
2023-07-23CO57975ND
2023-07-23CO57976ND
2023-07-23CO57977ND
2023-10-24CP32123ND
2023-10-24CP321241.000 ppb
2023-10-24CP32125ND
2023-10-24CP32126ND