Know Your Environment. Protect Your Health.

Bromoform

South Meadows West

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.10 ppb111.10 ppb
20190.500 ppb21ND - 1.000 ppb
2020ND10ND
20212.50 ppb41ND - 10.00 ppb
2022ND20ND
20231.60 ppb221.50 ppb - 1.70 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
2018-03-29AE206381.10 ppb
2019-09-18AE839601.000 ppb
2019-12-19AE92799ND
2020-05-18AF11654ND
2021-06-18AF58805ND
2021-06-18AF5890310.00 ppb
2021-09-20AF70451ND
2021-10-05AF72289ND
2022-09-13AG12600ND
2022-11-29AG20064ND
2023-07-24AG497851.50 ppb
2023-07-24AG498461.70 ppb