Know Your Environment. Protect Your Health.

Bromoform

Country Club Water Supply Corporation

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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND80ND
20220.388 ppb83ND - 1.04 ppb
2023ND80ND

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
2018-02-05Q1804280002ND
2018-05-09Q1819120001ND
2018-08-27Q1834228001ND
2018-11-28Q1848256003ND
2019-01-22Q1903189002ND
2019-04-29Q1916933002ND
2019-08-01Q1950434002ND
2019-11-14Q1976906002ND
2020-01-15Q2001632002ND
2020-06-09Q2023157002ND
2020-09-03Q2035180002ND
2020-12-01Q2048070001ND
2021-01-27Q2102009001ND
2021-01-27Q2102009002ND
2021-04-19Q2109948001ND
2021-04-19Q2109948002ND
2021-08-17Q2122099001ND
2021-08-17Q2122099002ND
2021-10-07Q2127814001ND
2021-10-07Q2127814002ND
2022-02-09Q2204749001ND
2022-02-09Q2204749002ND
2022-06-08Q2216061002ND
2022-06-08Q22160610031.02 ppb
2022-09-09Q22269360011.04 ppb
2022-09-09Q22269360021.04 ppb
2022-10-21Q2232009002ND
2022-10-21Q2232009001ND
2023-02-07Q2304636002ND
2023-02-07Q2304636003ND
2023-05-23Q2319377001ND
2023-05-23Q2319377002ND
2023-08-03Q2331711001ND
2023-08-03Q2331711002ND
2023-11-15Q2349080001ND
2023-11-15Q2349080002ND