Know Your Environment. Protect Your Health.

Bromoform

Northern Ohio Water Association

NOTE: Northern Ohio Water Association purchases water from Marked Tree Waterworks which is required to test for bromoform. Sample information shown below was taken by Marked Tree Waterworks.

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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: Northern Ohio Water Association purchases water from Marked Tree Waterworks which is required to test for bromoform. Sample information shown below was taken by Marked Tree Waterworks.

Date Lab ID Result
2018-01-2218025011601ND
2018-06-2618179002102ND
2019-01-2819031000601ND
2019-08-2019234001302ND
2019-09-0319248000702ND
2020-01-2820030006301ND
2020-08-1920233009202ND
2021-01-2621028011501ND
2021-08-1721231000702ND
2022-02-0122033011901ND
2022-08-16O201190-THM-1ND
2023-01-10O204951-VOC-1ND
2023-08-07O211388-THM-1ND