Know Your Environment. Protect Your Health.

Dibromochloromethane

St Albans 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)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND180ND
2019ND180ND
20200.0278 ppb181ND - 0.500 ppb
2021ND180ND
2022ND180ND
20230.144 ppb183ND - 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
2018-01-161801-01210-001ND
2018-01-161801-01210-002ND
2018-02-051802-02497-005ND
2018-02-051802-02497-007ND
2018-02-051802-02497-003ND
2018-02-051802-02497-001ND
2018-05-141805-10922-003ND
2018-05-141805-10922-005ND
2018-05-141805-10922-007ND
2018-05-141805-10922-001ND
2018-08-131808-20397-007ND
2018-08-131808-20397-005ND
2018-08-131808-20397-003ND
2018-08-131808-20397-001ND
2018-11-051811-28737-007ND
2018-11-051811-28737-001ND
2018-11-051811-28737-005ND
2018-11-051811-28737-003ND
2019-01-221901-01623-001ND
2019-01-221901-01623-002ND
2019-02-041902-02673-001ND
2019-02-041902-02673-005ND
2019-02-041902-02673-003ND
2019-02-061902-02673-007ND
2019-05-081905-10607-003ND
2019-05-081905-10607-005ND
2019-05-081905-10607-001ND
2019-05-201905-11253-007ND
2019-08-071908-19645-007ND
2019-08-071908-19645-005ND
2019-08-071908-19645-003ND
2019-08-071908-19645-001ND
2019-11-041911-28544-003ND
2019-11-041911-28544-001ND
2019-11-041911-28544-005ND
2019-11-041911-28544-007ND
2020-01-132001-00985-001ND
2020-01-132001-00985-002ND
2020-02-112002-03254-003ND
2020-02-112002-03254-007ND
2020-02-112002-03254-005ND
2020-02-112002-03821-001ND
2020-05-132005-10805-003ND
2020-05-132005-10805-005ND
2020-05-132005-10805-001ND
2020-05-132005-10805-007ND
2020-08-042008-20314-003ND
2020-08-042008-20314-001ND
2020-08-042008-20314-005ND
2020-08-052008-20314-007ND
2020-11-022011-31768-0010.500 ppb
2020-11-022011-31768-007ND
2020-11-022011-31768-003ND
2020-11-022011-31768-005ND
2021-01-112101-00903-001ND
2021-01-112101-00903-002ND
2021-02-012102-02717-001ND
2021-02-012102-02717-005ND
2021-02-012102-02717-007ND
2021-02-012102-02717-003ND
2021-05-052105-11894-003ND
2021-05-052105-11894-001ND
2021-05-052105-11894-007ND
2021-05-052105-11894-005ND
2021-08-042108-22774-005ND
2021-08-042108-22774-001ND
2021-08-042108-22774-007ND
2021-08-042108-22774-003ND
2021-11-012111-32635-003ND
2021-11-012111-32635-007ND
2021-11-012111-32635-005ND
2021-11-012111-32635-001ND
2022-01-192201-01530-001ND
2022-01-192201-01530-002ND
2022-02-152202-04232-007ND
2022-02-152202-04232-001ND
2022-02-152202-04232-003ND
2022-02-152202-04232-005ND
2022-05-242205-13312-001ND
2022-05-242205-13312-007ND
2022-05-242205-13312-005ND
2022-05-242205-13312-003ND
2022-08-092208-22356-005ND
2022-08-092208-22356-007ND
2022-08-092208-22356-001ND
2022-08-092208-22356-003ND
2022-11-142211-33184-001ND
2022-11-142211-33184-003ND
2022-11-142211-33184-007ND
2022-11-142211-33184-005ND
2023-02-132302-04313-001ND
2023-02-132302-04313-005ND
2023-02-132302-04313-007ND
2023-02-132302-04313-003ND
2023-02-212302-04849-002ND
2023-02-212302-04849-001ND
2023-05-232305-14113-001ND
2023-05-232305-14113-005ND
2023-05-232305-14113-003ND
2023-05-232305-14113-007ND
2023-08-222308-25678-003ND
2023-08-222308-25678-007ND
2023-08-222308-25678-005ND
2023-08-222308-25678-0010.700 ppb
2023-11-142311-36316-003ND
2023-11-142311-36316-0011.000 ppb
2023-11-142311-36316-0070.900 ppb
2023-11-142311-36316-005ND