Know Your Environment. Protect Your Health.

Dibromochloromethane

Brattleboro Water Department

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.

 

108

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0833 ppb182ND - 0.800 ppb
2019ND180ND
20200.0333 ppb181ND - 0.600 ppb
20210.122 ppb184ND - 0.600 ppb
2022ND180ND
20230.317 ppb188ND - 1.10 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
2018-02-161802-03794-007ND
2018-02-161802-03794-003ND
2018-02-161802-03794-005ND
2018-02-161802-03794-001ND
2018-03-091803-05498-001ND
2018-03-091803-05498-002ND
2018-05-121805-11001-001ND
2018-05-121805-11001-005ND
2018-05-121805-11001-007ND
2018-05-121805-11001-003ND
2018-08-131808-20460-001ND
2018-08-131808-20460-003ND
2018-08-131808-20460-005ND
2018-08-131808-20460-007ND
2018-11-061811-28806-0010.800 ppb
2018-11-061811-28806-007ND
2018-11-061811-28806-0030.700 ppb
2018-11-061811-28806-005ND
2019-01-181901-01619-001ND
2019-01-221901-01618-002ND
2019-02-051902-02631-001ND
2019-02-051902-02631-007ND
2019-02-051902-02631-003ND
2019-02-051902-02631-005ND
2019-05-071905-10048-001ND
2019-05-071905-10040-001ND
2019-05-071905-10048-003ND
2019-05-071905-10040-003ND
2019-08-121908-20211-003ND
2019-08-121908-20211-001ND
2019-08-121908-20211-007ND
2019-08-121908-20211-005ND
2019-11-181911-30060-001ND
2019-11-181911-30060-007ND
2019-11-181911-30060-005ND
2019-11-181911-30060-003ND
2020-01-212001-01629-003ND
2020-01-212001-01629-001ND
2020-01-212001-01629-005ND
2020-01-212001-01629-007ND
2020-02-042002-02750-0010.600 ppb
2020-02-112002-03311-001ND
2020-05-052005-09885-001ND
2020-05-052005-09885-007ND
2020-05-052005-09885-005ND
2020-05-052005-09885-003ND
2020-08-112008-21224-001ND
2020-08-112008-21224-003ND
2020-08-112008-21223-001ND
2020-08-112008-21223-003ND
2020-11-102011-32684-003ND
2020-11-102011-32684-005ND
2020-11-102011-32684-001ND
2020-11-102011-32684-007ND
2021-02-052102-03594-001ND
2021-02-052102-03591-001ND
2021-02-052102-03591-002ND
2021-02-082102-03594-003ND
2021-02-082102-03594-007ND
2021-02-082102-03594-005ND
2021-05-272106-14734-001ND
2021-05-272106-14734-003ND
2021-05-272106-14734-007ND
2021-05-272106-14734-005ND
2021-08-102108-23439-003ND
2021-08-102108-23439-001ND
2021-08-102108-23439-007ND
2021-08-102108-23439-005ND
2021-11-082111-33493-0030.600 ppb
2021-11-082111-33493-0010.600 ppb
2021-11-082111-33493-0070.500 ppb
2021-11-082111-33493-0050.500 ppb
2022-02-072202-03212-005ND
2022-02-072202-03212-001ND
2022-02-072202-03212-007ND
2022-02-072202-03212-003ND
2022-02-082202-03236-001ND
2022-02-082202-03236-002ND
2022-05-032205-10957-003ND
2022-05-032205-10957-007ND
2022-05-032205-10957-005ND
2022-05-032205-10957-001ND
2022-08-082208-22213-001ND
2022-08-082208-22213-007ND
2022-08-082208-22213-003ND
2022-08-082208-22213-005ND
2022-11-012211-31750-005ND
2022-11-012211-31750-001ND
2022-11-012211-31750-003ND
2022-11-012211-31750-007ND
2023-01-172301-01575-0010.700 ppb
2023-01-172301-01575-002ND
2023-02-062302-03416-001ND
2023-02-062302-03416-007ND
2023-02-062302-03416-003ND
2023-02-062302-03416-005ND
2023-05-012305-11359-005ND
2023-05-012305-11359-007ND
2023-05-012305-11359-001ND
2023-05-012305-11359-003ND
2023-08-142308-24607-0070.500 ppb
2023-08-142308-24607-0030.600 ppb
2023-08-142308-24607-0010.600 ppb
2023-08-142308-24607-005ND
2023-11-062311-35276-0050.800 ppb
2023-11-062311-35276-0070.800 ppb
2023-11-062311-35276-0030.600 ppb
2023-11-062311-35276-0011.10 ppb