Know Your Environment. Protect Your Health.

Bromoform

Bear Valley Joint Authority

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20190.188 ppb161ND - 3.00 ppb
20200.163 ppb164ND - 0.750 ppb
20210.0325 ppb161ND - 0.520 ppb
20220.184 ppb164ND - 0.960 ppb
20230.0769 ppb162ND - 0.620 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
2018-01-09(711) SP 711ND
2018-01-09(714) SP 714ND
2018-01-09(712) SP 712ND
2018-01-09(713) SP 713ND
2018-04-10(711) SP 711ND
2018-04-10(714) SP 714ND
2018-04-10(712) SP 712ND
2018-04-10(713) SP 713ND
2018-07-10(711) SP 711ND
2018-07-10(712) SP 712ND
2018-07-10(714) SP 714ND
2018-07-10(713) SP 713ND
2018-10-09(711) SP 711ND
2018-10-09AF99127ND
2018-10-09(713) SP 713ND
2018-10-09(712) SP 712ND
2019-01-08(713) SP 713ND
2019-01-08(712) SP 712ND
2019-01-08(711) SP 711ND
2019-01-08(714) SP 7143.00 ppb
2019-04-09(711) SP 711ND
2019-04-09(712) SP 712ND
2019-04-09(713) SP 713ND
2019-04-09(714) SP 714ND
2019-07-09(711) SP 711ND
2019-07-09(712) SP 712ND
2019-07-09(713) SP 713ND
2019-07-09(714) SP 714ND
2019-10-08(711) SP 711ND
2019-10-08(714) SP 714ND
2019-10-08(713) SP 713ND
2019-10-08(712) SP 712ND
2020-01-07ND
2020-01-070.610 ppb
2020-01-070.740 ppb
2020-01-070.750 ppb
2020-04-07ND
2020-04-07ND
2020-04-070.510 ppb
2020-04-07ND
2020-07-07ND
2020-07-07ND
2020-07-07ND
2020-07-07ND
2020-10-06ND
2020-10-06ND
2020-10-06ND
2020-10-06ND
2021-01-12ND
2021-01-12ND
2021-01-12ND
2021-01-12ND
2021-04-12ND
2021-04-12ND
2021-04-12ND
2021-04-12ND
2021-07-070.520 ppb
2021-07-07ND
2021-07-07ND
2021-07-07ND
2021-10-12ND
2021-10-12ND
2021-10-12ND
2021-10-12ND
2022-01-12ND
2022-01-120.810 ppb
2022-01-120.960 ppb
2022-01-12ND
2022-04-12ND
2022-04-12ND
2022-04-12ND
2022-04-12ND
2022-07-12ND
2022-07-12ND
2022-07-12ND
2022-07-12ND
2022-10-120.660 ppb
2022-10-120.510 ppb
2022-10-12ND
2022-10-12ND
2023-01-10ND
2023-01-10ND
2023-01-10ND
2023-01-10ND
2023-04-12ND
2023-04-12ND
2023-04-12ND
2023-04-12ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-10-11ND
2023-10-110.610 ppb
2023-10-110.620 ppb
2023-10-11ND