Know Your Environment. Protect Your Health.

Bromoform

Rockwood 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.

 

62

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND10ND
2020N/A00N/A
2021ND200ND
2022ND210ND
2023ND170ND

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
2018-02-14ND
2018-05-09ND
2018-08-07ND
2019-08-14ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-03-11ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-08-10ND
2021-08-10ND
2021-08-10ND
2021-08-10ND
2021-08-10ND
2021-09-20ND
2021-09-20ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-02-09ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-08-08ND
2023-08-08ND
2023-08-08ND
2023-08-08ND
2023-11-08ND
2023-11-08ND
2023-11-08ND
2023-11-08ND
2023-12-11ND