Know Your Environment. Protect Your Health.

Bromoform

Richmond, City of

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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND30ND
2021ND40ND
2022ND30ND
2023ND10ND

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
2018-02-28908151ND
2018-05-20974382ND
2018-08-221029446ND
2019-02-261126013ND
2019-05-301157834ND
2019-08-291230997ND
2019-11-251279606ND
2020-02-251330497ND
2020-08-041472856ND
2020-11-181666632ND
2021-02-031761479ND
2021-05-121837881ND
2021-08-081914787ND
2021-11-172029641ND
2022-02-262211618ND
2022-05-302267409ND
2022-08-082329377ND
2023-08-092552428ND