Know Your Environment. Protect Your Health.

Dibromochloromethane

Jefferson County Water Control and Improvement District 10

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.

 

57

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.60 ppb96ND - 5.80 ppb
20191.79 ppb97ND - 3.30 ppb
2020ND90ND
2021ND110ND
2022ND100ND
20230.222 ppb92ND - 1.000 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
2018-01-31AE11515ND
2018-01-31AE11514ND
2018-01-31AE11563ND
2018-06-13AE297895.80 ppb
2018-06-13AE297905.60 ppb
2018-08-22AE380794.10 ppb
2018-08-22AE380804.00 ppb
2018-10-01AE422042.10 ppb
2018-10-01AE422271.80 ppb
2019-02-21AE552732.00 ppb
2019-02-21AE552742.30 ppb
2019-02-21AE553562.30 ppb
2019-05-29AE683951.60 ppb
2019-05-29AE683961.50 ppb
2019-08-01AE767823.10 ppb
2019-08-01AE767783.30 ppb
2019-12-04AE91238ND
2019-12-04AE91239ND
2020-02-13AE98384ND
2020-02-13AE98385ND
2020-02-13AE98437ND
2020-06-03AF14095ND
2020-06-03AF14096ND
2020-08-03AF21794ND
2020-08-03AF21795ND
2020-10-26AF31867ND
2020-10-26AF31869ND
2021-03-16AF47250ND
2021-03-16AF47249ND
2021-05-24AF55078ND
2021-05-24AF55080ND
2021-05-24AF55157ND
2021-07-19AF62389ND
2021-07-19AF62390ND
2021-07-19AF62432ND
2021-11-18AF77077ND
2021-11-18AF77085ND
2021-11-18AF77134ND
2022-01-12AF79934ND
2022-01-12AF79935ND
2022-01-12AF80004ND
2022-04-12AF92872ND
2022-04-12AF92929ND
2022-04-12AF92871ND
2022-07-11AG03840ND
2022-07-11AG03842ND
2022-10-06AG16278ND
2022-10-06AG16279ND
2023-01-09AG234561.000 ppb
2023-02-24AG30547ND
2023-03-20AG33461ND
2023-04-10AG36034ND
2023-04-10AG36035ND
2023-07-18AG48998ND
2023-07-18AG49024ND
2023-10-17AG60071ND
2023-10-17AG600731.000 ppb