Know Your Environment. Protect Your Health.

Bromoform

Barrow Subdivision

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND10ND
2021ND20ND
20221.26 ppb21ND - 2.52 ppb
2023ND20ND

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
2018-08-15Q1832665001ND
2019-06-05Q1932128002ND
2019-06-25Q1939682003ND
2020-02-19Q2006394001ND
2021-02-23Q2104584004ND
2021-06-10Q2115247002ND
2022-05-11Q22141750022.52 ppb
2022-12-07Q2236659003ND
2023-05-17Q2318658001ND
2023-05-17Q2318658007ND