Know Your Environment. Protect Your Health.

Bromoform

Caledonia Village

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.165 ppb41ND - 0.660 ppb
20190.165 ppb41ND - 0.660 ppb
20200.165 ppb41ND - 0.660 ppb
20210.280 ppb42ND - 0.620 ppb
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
2018-02-211802573-001ND
2018-05-071806692-001ND
2018-08-071813082-0010.660 ppb
2018-11-061819047-001ND
2019-02-041901403-001ND
2019-05-071906449-001ND
2019-08-061912679-0010.660 ppb
2019-11-051918445-001ND
2020-02-112002007-001ND
2020-05-052006104-001ND
2020-08-032011829-0010.660 ppb
2020-11-032018055-001ND
2021-02-022101355-001ND
2021-05-042106252-0010.500 ppb
2021-08-042112617-0010.620 ppb
2021-11-012118464-001ND
2022-02-012201336-001ND
2022-05-032206003-001ND
2022-08-012211752-001ND
2022-11-012217771-001ND
2023-02-072301708-001ND
2023-05-022305802-001ND
2023-08-012311275-001ND
2023-11-072316919-001ND