Know Your Environment. Protect Your Health.

Bromoform

Quint-mar Water 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.

 

14

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
20190.347 ppb63ND - 0.697 ppb
20202.03 ppb112.03 ppb
2021N/A00N/A
20220.515 ppb74ND - 1.37 ppb
2023N/A00N/A

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
2019-02-05AB328140.697 ppb
2019-02-05AB328150.692 ppb
2019-02-05AB32816ND
2019-02-05AB32817ND
2019-02-05AB32818ND
2019-04-17AB342890.695 ppb
2020-07-20AB434802.03 ppb
2022-07-20AB604121.25 ppb
2022-07-20AB604131.37 ppb
2022-07-20AB604140.250 ppb
2022-07-20AB60415ND
2022-07-20AB60416ND
2022-07-20AB60417ND
2022-07-20AB604180.735 ppb