Know Your Environment. Protect Your Health.

Bromoform

Putnam Community Water Association Public Water System

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
20200.250 ppb21ND - 0.500 ppb
20210.250 ppb220.200 ppb - 0.300 ppb
20220.150 ppb220.1000 ppb - 0.200 ppb
20230.250 ppb220.200 ppb - 0.300 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
2018-08-30A180626739ND
2018-08-30A180626741ND
2019-08-299H04792-01ND
2019-08-299H04792-02ND
2020-09-030I00864-01ND
2020-09-030I00864-020.500 ppb
2021-08-051H01091-010.200 ppb
2021-08-051H01091-020.300 ppb
2022-08-252H04387-010.1000 ppb
2022-08-252H04387-020.200 ppb
2023-08-313I00044-010.300 ppb
2023-08-313I00044-020.200 ppb