Know Your Environment. Protect Your Health.

Bromoform

Walla Walla Water Division

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.

 

85

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND170ND
2019ND180ND
2020N/A00N/A
2021ND140ND
2022ND190ND
2023ND170ND

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
2018-01-02ND
2018-01-16ND
2018-01-23ND
2018-02-08ND
2018-02-13ND
2018-02-13ND
2018-03-28ND
2018-04-11ND
2018-04-16ND
2018-05-16ND
2018-05-16ND
2018-08-14ND
2018-08-14ND
2018-09-19ND
2018-11-13ND
2018-11-13ND
2018-11-20ND
2019-01-16ND
2019-01-29ND
2019-02-20ND
2019-02-26ND
2019-02-26ND
2019-03-04ND
2019-03-19ND
2019-04-10ND
2019-04-25ND
2019-05-08ND
2019-05-15ND
2019-05-15ND
2019-08-28ND
2019-08-28ND
2019-09-26ND
2019-11-13ND
2019-11-13ND
2019-11-25ND
2021-02-104078111ND
2021-02-104078113ND
2021-05-254120805ND
2021-05-254120803ND
2021-05-254120807ND
2021-05-254120809ND
2021-08-174166116ND
2021-08-174166120ND
2021-08-174166122ND
2021-08-174166118ND
2021-11-164241216ND
2021-11-164241211ND
2021-11-164241225ND
2021-11-164241227ND
2022-02-164247478ND
2022-02-164247477ND
2022-02-224247473ND
2022-02-224247323ND
2022-02-224247325ND
2022-02-224247468ND
2022-05-234299712ND
2022-05-234299716ND
2022-05-234299718ND
2022-05-234299714ND
2022-09-014365832ND
2022-09-014365837ND
2022-09-014365841ND
2022-09-014365818ND
2022-11-214384814ND
2022-11-214384804ND
2022-11-214384796ND
2022-11-214384800ND
2022-11-214384809ND
2023-02-224423209ND
2023-02-224423077ND
2023-02-224423085ND
2023-02-224423075ND
2023-02-224423080ND
2023-05-244466559ND
2023-05-244466562ND
2023-05-254468956ND
2023-05-254468954ND
2023-08-234512880ND
2023-08-234512882ND
2023-08-234512884ND
2023-08-234512878ND
2023-11-144559936ND
2023-11-144559938ND
2023-11-144559934ND
2023-11-144559932ND