Know Your Environment. Protect Your Health.

Bromoform

North Village Special Service District

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020ND80ND
2021ND80ND
2022ND60ND
20230.249 ppb83ND - 0.780 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
2018-01-10ND
2018-01-10ND
2018-04-09ND
2018-04-09ND
2018-07-03ND
2018-07-03ND
2018-10-16ND
2018-10-16ND
2019-03-11ND
2019-03-11ND
2019-06-19ND
2019-06-19ND
2019-09-10ND
2019-09-10ND
2019-12-03ND
2019-12-03ND
2020-03-17ND
2020-03-17ND
2020-06-09ND
2020-06-09ND
2020-09-02ND
2020-09-02ND
2020-12-01ND
2020-12-01ND
2021-03-09ND
2021-03-09ND
2021-06-08ND
2021-06-08ND
2021-09-15ND
2021-09-15ND
2021-12-02ND
2021-12-02ND
2022-03-08ND
2022-03-08ND
2022-06-16ND
2022-06-16ND
2022-09-12ND
2022-09-12ND
2023-03-14ND
2023-03-14ND
2023-06-12ND
2023-06-120.780 ppb
2023-09-06ND
2023-09-06ND
2023-12-040.600 ppb
2023-12-040.610 ppb