Know Your Environment. Protect Your Health.

Bromoform

Watertown Water & Sewer Authority

NOTE: Watertown Water & Sewer Authority purchases water from Waterbury Water Department which is required to test for bromoform. Sample information shown below was taken by Waterbury Water Department.

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND160ND
2020ND160ND
2021ND160ND
2022ND160ND
2023ND160ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is based on 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, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

NOTE: Watertown Water & Sewer Authority purchases water from Waterbury Water Department which is required to test for bromoform. Sample information shown below was taken by Waterbury Water Department.

Date Lab ID Result
2018-10-18RWA200509712VOC1ND
2020-09-15RWA2005902950.500 ppb
2021-09-14RWA300059415ND
2022-09-14RWA300253184ND
2023-10-25300436422423ND