Know Your Environment. Protect Your Health.

Dibromochloromethane

Catawba, Town of

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
20190.550 ppb42ND - 1.20 ppb
20200.288 ppb82ND - 1.20 ppb
20210.425 ppb82ND - 2.00 ppb
20220.300 ppb82ND - 1.20 ppb
20230.588 ppb105ND - 2.00 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
2018-02-1346780-02ND
2018-02-1346780-01ND
2018-05-0850500-02ND
2018-05-0850500-01ND
2018-08-0754612-01ND
2018-08-0754613-01ND
2018-11-0658927-01ND
2018-11-0658927-02ND
2019-05-0766522-01ND
2019-05-0766522-02ND
2019-08-0670520-011.000 ppb
2019-08-0670520-021.20 ppb
2020-02-0478231-01ND
2020-02-0478231-02ND
2020-05-0581897-01ND
2020-05-0581897-02ND
2020-08-0485785-011.20 ppb
2020-08-0485785-021.10 ppb
2020-11-0392504623001_37706ND
2020-11-0392504623002_37706ND
2021-02-0292520572001_37706ND
2021-02-0292520572002_37706ND
2021-05-0492537417002_37706ND
2021-05-0492537417001_37706ND
2021-08-0392554116001_377062.00 ppb
2021-08-0392554116002_377061.40 ppb
2021-11-0292570970001C_37706ND
2021-11-0292570970002C_37706ND
2022-02-0192586240001_37706ND
2022-02-0192586240002_37706ND
2022-05-0392603140001_37706ND
2022-05-0392603140002_37706ND
2022-08-0292618617001_377061.20 ppb
2022-08-0292618617002_377061.20 ppb
2022-11-0192634488001_37706ND
2022-11-0192634488002_37706ND
2023-02-07752-2918-1ND
2023-02-07752-2918-2ND
2023-05-021322-23ND
2023-05-021323-23ND
2023-08-082547-232.00 ppb
2023-08-082548-231.000 ppb
2023-09-13810-77742-D-10.920 ppb
2023-09-13810-77742-D-20.960 ppb
2023-11-07752-13583-11.000 ppb
2023-11-07752-13583-2ND