Know Your Environment. Protect Your Health.

Bromoform

Lake Bruin Water District #1

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND160ND
2020ND80ND
2021ND80ND
20220.221 ppb82ND - 0.970 ppb
20230.379 ppb84ND - 1.000 ppb

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
2018-02-1635375145001ND
2018-02-1635375145002ND
2018-02-1635375145002ND
2018-02-1635375145001ND
2018-05-2135393925002ND
2018-05-2135393925001ND
2018-05-2135393925002ND
2018-05-2135393925001ND
2018-08-0135408795001ND
2018-08-0135408795002ND
2018-08-0135408795001ND
2018-08-0135408795002ND
2018-11-0735430445001ND
2018-11-0735430445001ND
2018-11-0735430445002ND
2018-11-0735430445002ND
2019-02-1135448423001ND
2019-02-1135448423002ND
2019-02-1135448423001ND
2019-02-1135448423002ND
2019-05-0135465891001ND
2019-05-0135465891002ND
2019-05-0135465891001ND
2019-05-0135465891002ND
2019-08-0135487175002ND
2019-08-0135487175001ND
2019-08-0135487175001ND
2019-08-0135487175002ND
2019-11-0435510917001ND
2019-11-0435510917002ND
2019-11-0435510917002ND
2019-11-0435510917001ND
2020-02-0335528908002ND
2020-02-0335528908001ND
2020-05-0435548679001ND
2020-05-0435548679002ND
2020-08-0335568796001ND
2020-08-0335568796002ND
2020-11-1935594077001ND
2020-11-1935594077002ND
2021-02-2635615721001ND
2021-02-2635615721002ND
2021-05-2135636227001ND
2021-05-2135636227002ND
2021-08-0335654142001ND
2021-08-0335654142002ND
2021-11-1035678854001ND
2021-11-1035678854002ND
2022-02-1535698460002ND
2022-02-1535698460001ND
2022-05-0235716268002ND
2022-05-0235716268001ND
2022-08-01357377960020.800 ppb
2022-08-01357377960010.970 ppb
2022-11-1435761584002ND
2022-11-1435761584001ND
2023-02-05357792720011.000 ppb
2023-02-05357792720020.970 ppb
2023-05-0135797761001ND
2023-05-0135797761002ND
2023-08-1435822626001ND
2023-08-1435822626002ND
2023-11-06358417490010.530 ppb
2023-11-06358417490020.530 ppb