Know Your Environment. Protect Your Health.

Bromoform

Allen County Rural Water District 6

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.550 ppb110.550 ppb
2019ND10ND
20200.650 ppb110.650 ppb
2021ND10ND
2022ND10ND
20230.510 ppb110.510 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
2018-07-1010033190.550 ppb
2019-07-291212758ND
2020-07-1314415000.650 ppb
2021-07-191888598ND
2022-07-182307267ND
2023-07-1025341270.510 ppb