Know Your Environment. Protect Your Health.

Bromoform

Quinlan North Subdivision

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
20201.44 ppb111.44 ppb
20210.775 ppb21ND - 1.55 ppb
2022ND20ND
20230.630 ppb21ND - 1.26 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
2018-05-08Q1818539004ND
2019-06-05Q1932126002ND
2019-06-05Q1932126010ND
2020-02-19Q20063930011.44 ppb
2021-02-23Q2104582002ND
2021-06-10Q21152460031.55 ppb
2022-02-25Q2206628007ND
2022-05-11Q2214174003ND
2023-05-17Q23186570011.26 ppb
2023-05-17Q2318657007ND