Bromodichloromethane
City of Plaquemine Water System
Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane 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 | 0.257 ppb | 32 | 10 | ND - 1.70 ppb |
| 2019 | 0.217 ppb | 32 | 8 | ND - 1.20 ppb |
| 2020 | 0.741 ppb | 16 | 15 | ND - 1.10 ppb |
| 2021 | 0.766 ppb | 16 | 16 | 0.580 ppb - 1.10 ppb |
| 2022 | 1.01 ppb | 16 | 16 | 0.520 ppb - 4.10 ppb |
| 2023 | 1.01 ppb | 16 | 16 | 0.890 ppb - 1.60 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromodichloromethane 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 |
|---|---|---|
| 2018-02-15 | 35374877001 | ND |
| 2018-02-15 | 35374877002 | ND |
| 2018-02-15 | 35374877003 | ND |
| 2018-02-15 | 35374877004 | ND |
| 2018-02-15 | 35374877001 | ND |
| 2018-02-15 | 35374877002 | ND |
| 2018-02-15 | 35374877003 | ND |
| 2018-02-15 | 35374877004 | ND |
| 2018-05-10 | 35391870001 | ND |
| 2018-05-10 | 35391870002 | 0.610 ppb |
| 2018-05-10 | 35391870003 | ND |
| 2018-05-10 | 35391870004 | ND |
| 2018-05-10 | 35391870001 | ND |
| 2018-05-10 | 35391870002 | 0.610 ppb |
| 2018-05-10 | 35391870003 | ND |
| 2018-05-10 | 35391870004 | ND |
| 2018-08-09 | 35410445001 | ND |
| 2018-08-09 | 35410445002 | ND |
| 2018-08-09 | 35410445003 | ND |
| 2018-08-09 | 35410445004 | 1.70 ppb |
| 2018-08-09 | 35410445001 | ND |
| 2018-08-09 | 35410445002 | ND |
| 2018-08-09 | 35410445003 | ND |
| 2018-08-09 | 35410445004 | 1.70 ppb |
| 2018-11-08 | 35430217001 | ND |
| 2018-11-08 | 35430217002 | 0.600 ppb |
| 2018-11-08 | 35430217003 | 0.540 ppb |
| 2018-11-08 | 35430217004 | 0.660 ppb |
| 2018-11-08 | 35430217001 | ND |
| 2018-11-08 | 35430217002 | 0.600 ppb |
| 2018-11-08 | 35430217003 | 0.540 ppb |
| 2018-11-08 | 35430217004 | 0.660 ppb |
| 2019-02-14 | 35448459001 | ND |
| 2019-02-14 | 35448459002 | ND |
| 2019-02-14 | 35448459003 | ND |
| 2019-02-14 | 35448459004 | ND |
| 2019-02-14 | 35448459001 | ND |
| 2019-02-14 | 35448459002 | ND |
| 2019-02-14 | 35448459003 | ND |
| 2019-02-14 | 35448459004 | ND |
| 2019-05-16 | 35470498001 | ND |
| 2019-05-16 | 35470498002 | ND |
| 2019-05-16 | 35470498003 | ND |
| 2019-05-16 | 35470498004 | ND |
| 2019-05-16 | 35470498001 | ND |
| 2019-05-16 | 35470498002 | ND |
| 2019-05-16 | 35470498003 | ND |
| 2019-05-16 | 35470498004 | ND |
| 2019-08-01 | 35486877001 | 0.770 ppb |
| 2019-08-01 | 35486877002 | 0.800 ppb |
| 2019-08-01 | 35486877003 | 0.700 ppb |
| 2019-08-01 | 35486877004 | 1.20 ppb |
| 2019-08-01 | 35486877001 | 0.770 ppb |
| 2019-08-01 | 35486877002 | 0.800 ppb |
| 2019-08-01 | 35486877003 | 0.700 ppb |
| 2019-08-01 | 35486877004 | 1.20 ppb |
| 2019-11-05 | 35510878001 | ND |
| 2019-11-05 | 35510878002 | ND |
| 2019-11-05 | 35510878003 | ND |
| 2019-11-05 | 35510878004 | ND |
| 2019-11-05 | 35510878001 | ND |
| 2019-11-05 | 35510878002 | ND |
| 2019-11-05 | 35510878003 | ND |
| 2019-11-05 | 35510878004 | ND |
| 2020-02-21 | 35532639001 | 1.10 ppb |
| 2020-02-21 | 35532639002 | 0.600 ppb |
| 2020-02-21 | 35532639003 | 0.630 ppb |
| 2020-02-21 | 35532639004 | 0.650 ppb |
| 2020-05-14 | 35550485001 | ND |
| 2020-05-14 | 35550485002 | 0.770 ppb |
| 2020-05-14 | 35550485003 | 0.770 ppb |
| 2020-05-14 | 35550485004 | 0.840 ppb |
| 2020-08-05 | 35569240001 | 0.770 ppb |
| 2020-08-05 | 35569240002 | 0.720 ppb |
| 2020-08-05 | 35569240003 | 0.780 ppb |
| 2020-08-05 | 35569240005 | 0.750 ppb |
| 2020-11-12 | 35592175001 | 0.910 ppb |
| 2020-11-12 | 35592175002 | 0.870 ppb |
| 2020-11-12 | 35592175003 | 0.900 ppb |
| 2020-11-12 | 35592175004 | 0.800 ppb |
| 2021-02-10 | 35613583001 | 0.760 ppb |
| 2021-02-10 | 35613583002 | 0.750 ppb |
| 2021-02-10 | 35613583003 | 0.700 ppb |
| 2021-02-10 | 35613583004 | 1.10 ppb |
| 2021-05-19 | 35635491001 | 0.650 ppb |
| 2021-05-19 | 35635491002 | 0.640 ppb |
| 2021-05-19 | 35635491003 | 0.580 ppb |
| 2021-05-19 | 35635491004 | 0.580 ppb |
| 2021-08-11 | 35655927001 | 0.660 ppb |
| 2021-08-11 | 35655927002 | 0.650 ppb |
| 2021-08-11 | 35655927003 | 0.710 ppb |
| 2021-08-11 | 35655927004 | 0.660 ppb |
| 2021-11-02 | 35676390001 | 0.960 ppb |
| 2021-11-02 | 35676390002 | 0.990 ppb |
| 2021-11-02 | 35676390003 | 1.000 ppb |
| 2021-11-02 | 35676390004 | 0.860 ppb |
| 2022-02-02 | 35694926001 | 0.840 ppb |
| 2022-02-02 | 35694926002 | 0.800 ppb |
| 2022-02-02 | 35694926003 | 0.760 ppb |
| 2022-02-02 | 35694926004 | 0.810 ppb |
| 2022-05-10 | 35717414001 | 0.670 ppb |
| 2022-05-10 | 35717414002 | 0.740 ppb |
| 2022-05-10 | 35717414003 | 0.780 ppb |
| 2022-05-10 | 35717414004 | 4.10 ppb |
| 2022-08-02 | 35736975001 | 0.730 ppb |
| 2022-08-02 | 35736975002 | 0.520 ppb |
| 2022-08-02 | 35736975003 | 0.570 ppb |
| 2022-08-02 | 35736975004 | 0.630 ppb |
| 2022-11-02 | 35757718003 | 0.880 ppb |
| 2022-11-02 | 35757718004 | 0.920 ppb |
| 2022-11-02 | 35757718005 | 0.930 ppb |
| 2022-11-02 | 35757718006 | 1.50 ppb |
| 2023-02-01 | 35776736001 | 1.10 ppb |
| 2023-02-01 | 35776736002 | 1.10 ppb |
| 2023-02-01 | 35776736003 | 1.000 ppb |
| 2023-02-01 | 35776736004 | 1.20 ppb |
| 2023-05-02 | 35797441001 | 0.920 ppb |
| 2023-05-02 | 35797441002 | 0.890 ppb |
| 2023-05-02 | 35797441003 | 1.000 ppb |
| 2023-05-02 | 35797441004 | 0.940 ppb |
| 2023-08-09 | 35819866001 | 0.910 ppb |
| 2023-08-09 | 35819866002 | 0.900 ppb |
| 2023-08-09 | 35819866003 | 0.960 ppb |
| 2023-08-09 | 35819866004 | 0.900 ppb |
| 2023-11-08 | 35840524001 | 0.890 ppb |
| 2023-11-08 | 35840524002 | 0.900 ppb |
| 2023-11-08 | 35840524003 | 0.900 ppb |
| 2023-11-08 | 35840524004 | 1.60 ppb |