Know Your Environment. Protect Your Health.

Bromoform

Connecticut Water Company - Amston Lake Division

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.124 ppb51ND - 0.620 ppb
20190.325 ppb41ND - 1.30 ppb
20200.450 ppb21ND - 0.900 ppb
2021ND20ND
20220.777 ppb32ND - 1.50 ppb
20230.485 ppb21ND - 0.970 ppb

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

Date Lab ID Result
2018-01-19BZ75818VOC1ND
2018-04-09CA16127VOC1ND
2018-07-23CA95518ND
2018-08-13CB097790.620 ppb
2018-11-15VOC1 200512952ND
2019-02-19VOC1 200522111ND
2019-02-19VOC1 200522112ND
2019-04-08VOC1 200527488ND
2019-08-26DBP 2005462381.30 ppb
2020-08-14DBP 2005867740.900 ppb
2020-09-21VOC1 200590982ND
2021-01-06VOC1 200602955ND
2021-08-16DBP 200628739ND
2022-08-12CM042271.50 ppb
2022-09-23CM405310.830 ppb
2022-09-23CM40528ND
2023-08-16CO761190.970 ppb
2023-10-24CP33072ND