Know Your Environment. Protect Your Health.

Bromoform

North Peninsula

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND30ND
2020N/A00N/A
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-05-15ND
2018-05-21ND
2018-08-23ND
2018-08-23ND
2018-10-26ND
2019-06-11ND
2019-08-15ND
2019-08-15ND
2021-06-224142805ND
2021-08-234169117ND
2021-08-244166488ND
2021-08-244166491ND
2022-08-304370436ND
2022-08-304370434ND
2022-11-144382867ND
2022-11-154382872ND
2023-08-284514710ND
2023-08-284514708ND
2023-08-304516781ND
2023-08-304516782ND