Know Your Environment. Protect Your Health.

Dibromoacetic acid

Shiloh Waterworks District

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.510 ppb440.460 ppb - 0.560 ppb
20191.30 ppb441.30 ppb
20200.695 ppb220.690 ppb - 0.700 ppb
2021ND20ND
2022ND20ND
20230.555 ppb220.550 ppb - 0.560 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
2018-08-28354142430010.560 ppb
2018-08-28354142430020.460 ppb
2018-08-28354142430010.560 ppb
2018-08-28354142430020.460 ppb
2019-08-26354944550011.30 ppb
2019-08-26354944550021.30 ppb
2019-08-26354944550011.30 ppb
2019-08-26354944550021.30 ppb
2020-08-19355727140010.700 ppb
2020-08-19355727140020.690 ppb
2021-08-2535659123001ND
2021-08-2535659123002ND
2022-08-1735741513001ND
2022-08-1735741513002ND
2023-08-22358234720010.550 ppb
2023-08-22358234720020.560 ppb