Know Your Environment. Protect Your Health.

Bromoform

Northwest Utility District-SD

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.

 

65

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020N/A00N/A
2021ND170ND
2022ND210ND
2023ND250ND

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
2018-09-10ND
2019-09-16ND
2021-01-19ND
2021-01-19ND
2021-01-19ND
2021-01-19ND
2021-04-19ND
2021-04-19ND
2021-04-19ND
2021-04-19ND
2021-07-19ND
2021-07-19ND
2021-07-19ND
2021-07-19ND
2021-10-18ND
2021-10-18ND
2021-10-18ND
2021-10-18ND
2021-10-18ND
2022-01-18ND
2022-01-18ND
2022-01-18ND
2022-01-18ND
2022-01-18ND
2022-01-18ND
2022-01-18ND
2022-01-18ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-07-18ND
2022-07-18ND
2022-07-18ND
2022-07-18ND
2022-10-17ND
2022-10-17ND
2022-10-17ND
2022-10-17ND
2022-10-31ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-01-17ND
2023-04-17ND
2023-04-17ND
2023-04-17ND
2023-04-17ND
2023-07-17ND
2023-07-17ND
2023-07-17ND
2023-07-17ND
2023-09-26ND
2023-10-16ND
2023-10-16ND
2023-10-16ND
2023-10-16ND