Know Your Environment. Protect Your Health.

Bromoform

Westhaven Community Services District

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20191.45 ppb441.000 ppb - 2.30 ppb
20200.367 ppb31ND - 1.10 ppb
2021ND40ND
2022ND30ND
20230.750 ppb42ND - 1.80 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
2019-03-27CA1210024_DST_901-2019032714102.30 ppb
2019-05-22CA1210024_DST_901-2019052212201.10 ppb
2019-06-27CA1210024_DST_901-2019062711001.000 ppb
2019-09-16CA1210024_DST_901-2019091612451.40 ppb
2020-03-12CA1210024_DST_901-2020031216001.10 ppb
2020-09-23CA1210024_DST_901-202009231245ND
2020-12-02CA1210024_DST_901-202012021150ND
2021-03-03CA1210024_DST_901-202103031155ND
2021-06-16CA1210024_DST_901-202106161130ND
2021-09-15CA1210024_DST_901-202109151145ND
2021-12-15CA1210024_DST_901-202112151015ND
2022-03-09CA1210024_DST_901-202203091325ND
2022-06-08CA1210024_DST_901-202206081045ND
2022-09-15CA1210024_DST_901-202209151115ND
2023-03-08CA1210024_DST_901-202303081120ND
2023-06-14CA1210024_DST_901-2023061410401.80 ppb
2023-09-11CA1210024_DST_901-2023091111251.20 ppb
2023-12-13CA1210024_DST_901-202312131105ND