Know Your Environment. Protect Your Health.

Bromoform

Mendon City

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.833 ppb31ND - 2.50 ppb
20190.333 ppb31ND - 1.000 ppb
2020ND20ND
2021ND30ND
20220.400 ppb31ND - 1.20 ppb
20230.995 ppb21ND - 1.99 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 Result
2018-08-15ND
2018-08-152.50 ppb
2018-11-07ND
2019-08-07ND
2019-08-07ND
2019-08-071.000 ppb
2020-09-30ND
2020-09-30ND
2021-08-18ND
2021-08-18ND
2021-08-18ND
2022-09-131.20 ppb
2022-09-13ND
2022-09-13ND
2023-08-151.99 ppb
2023-08-16ND