Dibromochloromethane
City of Bogalusa Water System
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.281 ppb | 32 | 12 | ND - 1.10 ppb |
| 2019 | 0.187 ppb | 32 | 8 | ND - 1.20 ppb |
| 2020 | 0.0775 ppb | 16 | 2 | ND - 0.690 ppb |
| 2021 | 0.261 ppb | 16 | 7 | ND - 0.660 ppb |
| 2022 | 0.539 ppb | 16 | 8 | ND - 1.60 ppb |
| 2023 | 0.419 ppb | 16 | 8 | ND - 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 |
|---|---|---|
| 2018-01-12 | 35368407001 | 0.740 ppb |
| 2018-01-12 | 35368407002 | 0.430 ppb |
| 2018-01-12 | 35368407003 | ND |
| 2018-01-12 | 35368407004 | ND |
| 2018-01-12 | 35368407001 | 0.740 ppb |
| 2018-01-12 | 35368407002 | 0.430 ppb |
| 2018-01-12 | 35368407003 | ND |
| 2018-01-12 | 35368407004 | ND |
| 2018-04-05 | 35384630001 | ND |
| 2018-04-05 | 35384630002 | ND |
| 2018-04-05 | 35384630003 | 0.620 ppb |
| 2018-04-05 | 35384630004 | 1.10 ppb |
| 2018-04-05 | 35384630001 | ND |
| 2018-04-05 | 35384630002 | ND |
| 2018-04-05 | 35384630003 | 0.620 ppb |
| 2018-04-05 | 35384630004 | 1.10 ppb |
| 2018-07-05 | 35402539001 | ND |
| 2018-07-05 | 35402539002 | 0.690 ppb |
| 2018-07-05 | 35402539003 | 0.910 ppb |
| 2018-07-05 | 35402539004 | ND |
| 2018-07-05 | 35402539001 | ND |
| 2018-07-05 | 35402539002 | 0.690 ppb |
| 2018-07-05 | 35402539003 | 0.910 ppb |
| 2018-07-05 | 35402539004 | ND |
| 2018-10-04 | 35422549001 | ND |
| 2018-10-04 | 35422549002 | ND |
| 2018-10-04 | 35422549003 | ND |
| 2018-10-04 | 35422549004 | ND |
| 2018-10-04 | 35422549001 | ND |
| 2018-10-04 | 35422549002 | ND |
| 2018-10-04 | 35422549003 | ND |
| 2018-10-04 | 35422549004 | ND |
| 2019-01-11 | 35441865001 | 0.590 ppb |
| 2019-01-11 | 35441865002 | ND |
| 2019-01-11 | 35441865003 | 0.570 ppb |
| 2019-01-11 | 35441865004 | 0.630 ppb |
| 2019-01-11 | 35441865001 | 0.590 ppb |
| 2019-01-11 | 35441865002 | ND |
| 2019-01-11 | 35441865003 | 0.570 ppb |
| 2019-01-11 | 35441865004 | 0.630 ppb |
| 2019-04-05 | 35459959001 | ND |
| 2019-04-05 | 35459959002 | ND |
| 2019-04-05 | 35459959003 | ND |
| 2019-04-05 | 35459959004 | ND |
| 2019-04-05 | 35459959001 | ND |
| 2019-04-05 | 35459959002 | ND |
| 2019-04-05 | 35459959003 | ND |
| 2019-04-05 | 35459959004 | ND |
| 2019-07-19 | 35483671001 | ND |
| 2019-07-19 | 35483671002 | ND |
| 2019-07-19 | 35483671003 | ND |
| 2019-07-19 | 35483671004 | ND |
| 2019-07-19 | 35483671001 | ND |
| 2019-07-19 | 35483671002 | ND |
| 2019-07-19 | 35483671003 | ND |
| 2019-07-19 | 35483671004 | ND |
| 2019-10-04 | 35502858001 | 1.20 ppb |
| 2019-10-04 | 35502858002 | ND |
| 2019-10-04 | 35502858003 | ND |
| 2019-10-04 | 35502858004 | ND |
| 2019-10-04 | 35502858001 | 1.20 ppb |
| 2019-10-04 | 35502858002 | ND |
| 2019-10-04 | 35502858003 | ND |
| 2019-10-04 | 35502858004 | ND |
| 2020-01-09 | 35523412001 | ND |
| 2020-01-09 | 35523412002 | ND |
| 2020-01-09 | 35523412003 | ND |
| 2020-01-09 | 35523412004 | ND |
| 2020-04-03 | 35541463001 | ND |
| 2020-04-03 | 35541463002 | ND |
| 2020-04-03 | 35541463003 | ND |
| 2020-04-03 | 35541463004 | ND |
| 2020-07-10 | 35562378001 | ND |
| 2020-07-10 | 35562378002 | ND |
| 2020-07-10 | 35562378003 | ND |
| 2020-07-10 | 35562378004 | ND |
| 2020-10-02 | 35582099001 | ND |
| 2020-10-02 | 35582099002 | ND |
| 2020-10-02 | 35582099003 | 0.550 ppb |
| 2020-10-02 | 35582099004 | 0.690 ppb |
| 2021-01-08 | 35603483001 | ND |
| 2021-01-08 | 35603483002 | ND |
| 2021-01-08 | 35603483003 | 0.630 ppb |
| 2021-01-08 | 35603483004 | 0.630 ppb |
| 2021-04-09 | 35625080001 | 0.530 ppb |
| 2021-04-09 | 35625080002 | ND |
| 2021-04-09 | 35625080003 | 0.640 ppb |
| 2021-04-09 | 35625080004 | 0.500 ppb |
| 2021-07-09 | 35646369001 | ND |
| 2021-07-09 | 35646369002 | ND |
| 2021-07-09 | 35646369003 | ND |
| 2021-07-09 | 35646369004 | ND |
| 2021-10-01 | 35668737001 | 0.580 ppb |
| 2021-10-01 | 35668737002 | ND |
| 2021-10-01 | 35668737003 | 0.660 ppb |
| 2021-10-01 | 35668737004 | ND |
| 2022-01-07 | 35689215001 | ND |
| 2022-01-07 | 35689215002 | ND |
| 2022-01-07 | 35689215003 | ND |
| 2022-01-07 | 35689215004 | ND |
| 2022-04-01 | 35707497001 | ND |
| 2022-04-01 | 35707497002 | ND |
| 2022-04-01 | 35707497003 | 0.610 ppb |
| 2022-04-01 | 35707497004 | 0.810 ppb |
| 2022-07-07 | 35731064001 | 1.60 ppb |
| 2022-07-07 | 35731064002 | 1.60 ppb |
| 2022-07-07 | 35731064003 | 1.60 ppb |
| 2022-07-07 | 35731064004 | 1.10 ppb |
| 2022-10-06 | 35751458001 | ND |
| 2022-10-06 | 35751458002 | ND |
| 2022-10-06 | 35751458003 | 0.650 ppb |
| 2022-10-06 | 35751458004 | 0.650 ppb |
| 2023-01-06 | 35770968001 | ND |
| 2023-01-06 | 35770968002 | ND |
| 2023-01-06 | 35770968003 | 0.480 ppb |
| 2023-01-06 | 35770968004 | ND |
| 2023-04-05 | 35790912001 | ND |
| 2023-04-05 | 35790912002 | ND |
| 2023-04-05 | 35790912003 | 0.570 ppb |
| 2023-04-05 | 35790912004 | ND |
| 2023-07-14 | 35813441001 | ND |
| 2023-07-14 | 35813441002 | ND |
| 2023-07-14 | 35813441003 | 0.660 ppb |
| 2023-07-14 | 35813441004 | 0.480 ppb |
| 2023-10-06 | 35832961001 | 2.00 ppb |
| 2023-10-06 | 35832961002 | 1.20 ppb |
| 2023-10-06 | 35832961003 | 0.480 ppb |
| 2023-10-06 | 35832961004 | 0.840 ppb |