Know Your Environment. Protect Your Health.

Dichloroacetic acid

Brookeland Fresh Water Supply District

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.60 ppb221.10 ppb - 2.10 ppb
20191.60 ppb221.20 ppb - 2.00 ppb
20201.000 ppb21ND - 2.00 ppb
20210.550 ppb21ND - 1.10 ppb
20220.550 ppb21ND - 1.10 ppb
20230.550 ppb21ND - 1.10 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
2018-09-13Q18365310011.10 ppb
2018-09-13Q18365310022.10 ppb
2019-07-10Q19437260032.00 ppb
2019-07-10Q19437260041.20 ppb
2020-09-14Q2036334001ND
2020-09-14Q20363340022.00 ppb
2021-09-01Q2123830014ND
2021-09-01Q21238300151.10 ppb
2022-08-16Q22240050061.10 ppb
2022-08-16Q2224005007ND
2023-06-26Q2324301009ND
2023-06-26Q23243010101.10 ppb