Know Your Environment. Protect Your Health.

Dibromochloromethane

Monongah 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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.350 ppb42ND - 0.800 ppb
2019ND40ND
20200.1000 ppb51ND - 0.500 ppb
20210.335 ppb42ND - 0.710 ppb
2022ND40ND
20230.215 ppb41ND - 0.860 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
2018-02-13281195-2018-DWND
2018-05-07285385-2018-DWND
2018-08-14292082-2018-DW0.800 ppb
2018-11-06296512-2018-DW0.600 ppb
2019-02-13300828-2019-DWND
2019-05-17305738-2019-DWND
2019-08-19310757-2019-DWND
2019-11-07315562-2019-DWND
2020-02-11320215-2020-DWND
2020-02-11320215-2020-DWND
2020-05-05324294-2020-DWND
2020-08-11329820-2020-DWND
2020-11-13335707-2020-DW0.500 ppb
2021-02-10339417-2021-DWND
2021-05-12342717-2021-DWND
2021-08-111H13034-040.630 ppb
2021-11-031K04309-040.710 ppb
2022-02-09AWB2388-04ND
2022-05-04AWE1171-04ND
2022-08-22AWH6440-04ND
2022-11-07AWK2648-04ND
2023-02-15AXB3627-04ND
2023-05-05AXE1809-04ND
2023-08-23AXH5743-040.860 ppb
2023-11-133114028-02ND