Know Your Environment. Protect Your Health.

Dibromochloromethane

Harpeth Valley Utility District

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.

 

294

Samples

0

Samples exceeding legal limit (MCL)

131

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.793 ppb43ND - 1.41 ppb
20191.14 ppb111.14 ppb
2020N/A00N/A
20210.510 ppb7735ND - 1.39 ppb
20220.424 ppb9732ND - 1.87 ppb
20230.729 ppb11560ND - 2.01 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 Result
2018-02-14ND
2018-05-150.866 ppb
2018-08-171.41 ppb
2018-11-090.894 ppb
2019-11-121.14 ppb
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-031.05 ppb
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-05-051.04 ppb
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-05-05ND
2021-08-041.17 ppb
2021-08-041.35 ppb
2021-08-041.10 ppb
2021-08-041.04 ppb
2021-08-041.13 ppb
2021-08-041.06 ppb
2021-08-041.09 ppb
2021-08-041.11 ppb
2021-08-041.24 ppb
2021-08-041.06 ppb
2021-08-041.02 ppb
2021-08-041.23 ppb
2021-08-041.39 ppb
2021-08-041.13 ppb
2021-08-041.17 ppb
2021-08-041.18 ppb
2021-08-041.08 ppb
2021-08-041.06 ppb
2021-08-041.16 ppb
2021-11-03ND
2021-11-03ND
2021-11-031.04 ppb
2021-11-03ND
2021-11-03ND
2021-11-031.12 ppb
2021-11-031.06 ppb
2021-11-03ND
2021-11-031.17 ppb
2021-11-031.19 ppb
2021-11-031.11 ppb
2021-11-031.22 ppb
2021-11-031.20 ppb
2021-11-031.20 ppb
2021-11-031.19 ppb
2021-11-031.06 ppb
2021-11-031.07 ppb
2021-11-03ND
2021-11-031.20 ppb
2021-11-080.552 ppb
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-01ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-07-211.16 ppb
2022-08-031.39 ppb
2022-08-031.27 ppb
2022-08-031.08 ppb
2022-08-031.36 ppb
2022-08-031.41 ppb
2022-08-031.23 ppb
2022-08-031.21 ppb
2022-08-031.15 ppb
2022-08-031.01 ppb
2022-08-031.07 ppb
2022-08-03ND
2022-08-031.05 ppb
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-08-031.02 ppb
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-11-021.73 ppb
2022-11-021.45 ppb
2022-11-021.62 ppb
2022-11-021.87 ppb
2022-11-021.42 ppb
2022-11-021.39 ppb
2022-11-021.04 ppb
2022-11-021.58 ppb
2022-11-021.21 ppb
2022-11-021.22 ppb
2022-11-021.49 ppb
2022-11-021.11 ppb
2022-11-021.15 ppb
2022-11-02ND
2022-11-021.12 ppb
2022-11-021.17 ppb
2022-11-021.53 ppb
2022-11-021.33 ppb
2022-11-021.17 ppb
2022-11-071.14 ppb
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-021.02 ppb
2023-02-021.02 ppb
2023-02-021.03 ppb
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-021.02 ppb
2023-02-021.02 ppb
2023-02-021.03 ppb
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-021.02 ppb
2023-02-021.02 ppb
2023-02-021.03 ppb
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-05-031.21 ppb
2023-05-031.27 ppb
2023-05-031.09 ppb
2023-05-031.29 ppb
2023-05-031.26 ppb
2023-05-031.21 ppb
2023-05-03ND
2023-05-031.04 ppb
2023-05-03ND
2023-05-031.23 ppb
2023-05-031.05 ppb
2023-05-03ND
2023-05-031.01 ppb
2023-05-03ND
2023-05-03ND
2023-05-03ND
2023-05-031.10 ppb
2023-05-03ND
2023-05-031.03 ppb
2023-08-021.31 ppb
2023-08-021.42 ppb
2023-08-021.30 ppb
2023-08-021.23 ppb
2023-08-021.33 ppb
2023-08-021.31 ppb
2023-08-021.35 ppb
2023-08-021.37 ppb
2023-08-021.47 ppb
2023-08-021.12 ppb
2023-08-021.14 ppb
2023-08-021.33 ppb
2023-08-021.42 ppb
2023-08-021.41 ppb
2023-08-021.64 ppb
2023-08-021.32 ppb
2023-08-021.21 ppb
2023-08-021.23 ppb
2023-08-021.33 ppb
2023-11-011.79 ppb
2023-11-011.73 ppb
2023-11-011.84 ppb
2023-11-011.88 ppb
2023-11-011.80 ppb
2023-11-011.66 ppb
2023-11-011.46 ppb
2023-11-011.86 ppb
2023-11-011.74 ppb
2023-11-011.62 ppb
2023-11-011.87 ppb
2023-11-011.81 ppb
2023-11-011.59 ppb
2023-11-011.65 ppb
2023-11-011.94 ppb
2023-11-011.85 ppb
2023-11-011.98 ppb
2023-11-012.01 ppb
2023-11-011.76 ppb
2023-11-161.73 ppb