Know Your Environment. Protect Your Health.

Bromoform

City of Kelso

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.

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND90ND
2020N/A00N/A
2021ND80ND
2022ND90ND
2023ND80ND

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
2018-03-08ND
2018-03-08ND
2018-06-13ND
2018-06-13ND
2018-09-06ND
2018-09-06ND
2018-12-19ND
2018-12-19ND
2019-03-06ND
2019-03-06ND
2019-05-08ND
2019-06-06ND
2019-06-06ND
2019-09-12ND
2019-09-12ND
2019-12-18ND
2019-12-18ND
2021-03-164090976ND
2021-03-164090977ND
2021-06-024129428ND
2021-06-024129429ND
2021-09-224188394ND
2021-09-224188396ND
2021-12-164232379ND
2021-12-164232378ND
2022-03-024252873ND
2022-03-024252872ND
2022-05-184282246ND
2022-06-084303471ND
2022-06-084303472ND
2022-09-144368078ND
2022-09-144368077ND
2022-12-144395594ND
2022-12-144395593ND
2023-03-074424399ND
2023-03-074424400ND
2023-06-074474731ND
2023-06-074474732ND
2023-09-074525092ND
2023-09-074525093ND
2023-12-264576104ND
2023-12-264576103ND