Know Your Environment. Protect Your Health.

Dibromoacetic acid

Lewis County Public Water Supply District 1

Dibromoacetic 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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.491 ppb82ND - 2.08 ppb
2019ND80ND
20201.07 ppb82ND - 5.96 ppb
2021ND80ND
2022ND80ND
20230.701 ppb84ND - 1.83 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.03 ppb

The EWG Health Guideline of 0.03 ppb for dibromoacetic 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 fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-26AD14232ND
2018-02-26AD14233ND
2018-05-16AD20465ND
2018-05-16AD20466ND
2018-08-13AD311401.85 ppb
2018-08-13AD311412.08 ppb
2018-11-12AD35675ND
2018-11-12AD35676ND
2019-02-13AD39343ND
2019-02-13AD39344ND
2019-05-15AD47424ND
2019-05-15AD47425ND
2019-08-19AD53866ND
2019-08-19AD53865ND
2019-12-11AD59589ND
2019-12-11AD59590ND
2020-02-102001997ND
2020-02-102001996ND
2020-05-212008861ND
2020-05-212008860ND
2020-08-1720142505.96 ppb
2020-08-1720142492.58 ppb
2020-11-222017991ND
2020-11-222017990ND
2021-02-092100634ND
2021-02-092100635ND
2021-05-142110905ND
2021-05-142110906ND
2021-08-162115250ND
2021-08-162115251ND
2021-11-122119479ND
2021-11-122119478ND
2022-02-112201928ND
2022-02-112201929ND
2022-05-132211522ND
2022-05-132211523ND
2022-08-102216211ND
2022-08-102216210ND
2022-11-152221131ND
2022-11-152221130ND
2023-02-152300550ND
2023-02-272301524ND
2023-05-1123080971.05 ppb
2023-05-1123080961.05 ppb
2023-08-0823132761.83 ppb
2023-08-0823132751.68 ppb
2023-11-102318237ND
2023-11-102318238ND