Know Your Environment. Protect Your Health.

Dibromochloromethane

City of Kelso

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane 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)

20

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.288 ppb82ND - 1.20 ppb
20190.558 ppb95ND - 1.50 ppb
2020N/A00N/A
20210.525 ppb85ND - 1.20 ppb
20220.344 ppb94ND - 1.20 ppb
20230.425 ppb84ND - 1.30 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was 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 and harm 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
2018-09-061.10 ppb
2018-09-061.20 ppb
2018-12-19ND
2018-12-19ND
2019-03-06ND
2019-03-06ND
2019-05-08ND
2019-06-060.830 ppb
2019-06-060.800 ppb
2019-09-121.20 ppb
2019-09-121.50 ppb
2019-12-180.690 ppb
2019-12-18ND
2021-03-164090977ND
2021-03-164090976ND
2021-06-0241294280.670 ppb
2021-06-0241294290.560 ppb
2021-09-2241883941.20 ppb
2021-09-2241883961.10 ppb
2021-12-1642323780.670 ppb
2021-12-164232379ND
2022-03-024252873ND
2022-03-024252872ND
2022-05-184282246ND
2022-06-084303472ND
2022-06-0843034710.690 ppb
2022-09-1443680780.630 ppb
2022-09-1443680771.20 ppb
2022-12-144395594ND
2022-12-1443955930.580 ppb
2023-03-074424400ND
2023-03-074424399ND
2023-06-074474731ND
2023-06-074474732ND
2023-09-0745250931.000 ppb
2023-09-0745250921.30 ppb
2023-12-2645761040.590 ppb
2023-12-2645761030.510 ppb