Know Your Environment. Protect Your Health.

Bromoform

City of Westworth 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)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.03 ppb42ND - 2.06 ppb
20190.273 ppb41ND - 1.09 ppb
2020ND40ND
2021ND40ND
2022ND40ND
20230.518 ppb42ND - 1.06 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
2018-01-22Q18022930042.04 ppb
2018-04-18Q18157370012.06 ppb
2018-08-02Q1830871001ND
2018-10-25Q1842726001ND
2019-02-06Q1905498004ND
2019-04-29Q19169090011.09 ppb
2019-09-03Q1961528001ND
2019-11-21Q1977741001ND
2020-02-18Q2006088001ND
2020-04-30Q2016738001ND
2020-09-01Q2034837001ND
2020-11-23Q2046948001ND
2021-03-09Q2106122001ND
2021-04-28Q2110746001ND
2021-08-03Q2120189001ND
2021-11-15Q2131787001ND
2022-02-09Q2204733004ND
2022-04-25Q2212333001ND
2022-09-12Q2226954001ND
2022-11-15Q2234282001ND
2023-01-18Q2302601001ND
2023-04-13Q23137150011.06 ppb
2023-09-12Q2339118001ND
2023-12-01Q23516430011.01 ppb