Dibromoacetic acid
Assumption Parish Waterworks District 1
Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids 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 | 0.847 ppb | 32 | 30 | ND - 1.60 ppb |
| 2019 | 0.314 ppb | 32 | 16 | ND - 0.840 ppb |
| 2020 | 0.674 ppb | 16 | 12 | ND - 1.30 ppb |
| 2021 | 0.719 ppb | 16 | 14 | ND - 1.40 ppb |
| 2022 | 0.626 ppb | 20 | 15 | ND - 1.30 ppb |
| 2023 | 0.917 ppb | 16 | 11 | ND - 2.20 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.03 ppb
The EWG Health Guideline of 0.03 ppb for dibromoacetic acid was defined by 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 |
|---|---|---|
| 2018-03-02 | 35377784001 | 0.270 ppb |
| 2018-03-02 | 35377784002 | 0.280 ppb |
| 2018-03-02 | 35377784003 | 0.300 ppb |
| 2018-03-02 | 35377784004 | 0.320 ppb |
| 2018-03-02 | 35377784001 | 0.270 ppb |
| 2018-03-02 | 35377784002 | 0.280 ppb |
| 2018-03-02 | 35377784003 | 0.300 ppb |
| 2018-03-02 | 35377784004 | 0.320 ppb |
| 2018-06-06 | 35396758001 | 0.630 ppb |
| 2018-06-06 | 35396758002 | ND |
| 2018-06-06 | 35396758003 | 0.680 ppb |
| 2018-06-06 | 35396758004 | 0.780 ppb |
| 2018-06-06 | 35396758001 | 0.630 ppb |
| 2018-06-06 | 35396758002 | ND |
| 2018-06-06 | 35396758003 | 0.680 ppb |
| 2018-06-06 | 35396758004 | 0.780 ppb |
| 2018-09-07 | 35416297001 | 1.60 ppb |
| 2018-09-07 | 35416297002 | 1.50 ppb |
| 2018-09-07 | 35416297003 | 1.60 ppb |
| 2018-09-07 | 35416297004 | 1.60 ppb |
| 2018-09-07 | 35416297001 | 1.60 ppb |
| 2018-09-07 | 35416297002 | 1.50 ppb |
| 2018-09-07 | 35416297003 | 1.60 ppb |
| 2018-09-07 | 35416297004 | 1.60 ppb |
| 2018-12-05 | 35435413001 | 0.970 ppb |
| 2018-12-05 | 35435413002 | 0.960 ppb |
| 2018-12-05 | 35435413004 | 0.960 ppb |
| 2018-12-05 | 35435413001 | 0.970 ppb |
| 2018-12-05 | 35435413002 | 0.960 ppb |
| 2018-12-05 | 35435413004 | 0.960 ppb |
| 2018-12-11 | 35436637001 | 1.10 ppb |
| 2018-12-11 | 35436637001 | 1.10 ppb |
| 2019-03-07 | 35452948001 | 0.670 ppb |
| 2019-03-07 | 35452948002 | 0.680 ppb |
| 2019-03-07 | 35452948003 | 0.840 ppb |
| 2019-03-07 | 35452948004 | 0.750 ppb |
| 2019-03-07 | 35452948001 | 0.670 ppb |
| 2019-03-07 | 35452948002 | 0.680 ppb |
| 2019-03-07 | 35452948003 | 0.840 ppb |
| 2019-03-07 | 35452948004 | 0.750 ppb |
| 2019-06-07 | 35473879001 | ND |
| 2019-06-07 | 35473879002 | ND |
| 2019-06-07 | 35473879003 | ND |
| 2019-06-07 | 35473879004 | ND |
| 2019-06-07 | 35473879001 | ND |
| 2019-06-07 | 35473879002 | ND |
| 2019-06-07 | 35473879003 | ND |
| 2019-06-07 | 35473879004 | ND |
| 2019-09-06 | 35495828001 | ND |
| 2019-09-06 | 35495828002 | ND |
| 2019-09-06 | 35495828003 | ND |
| 2019-09-06 | 35495828004 | ND |
| 2019-09-06 | 35495828001 | ND |
| 2019-09-06 | 35495828002 | ND |
| 2019-09-06 | 35495828003 | ND |
| 2019-09-06 | 35495828004 | ND |
| 2019-12-06 | 35517156001 | 0.470 ppb |
| 2019-12-06 | 35517156002 | 0.630 ppb |
| 2019-12-06 | 35517156003 | 0.490 ppb |
| 2019-12-06 | 35517156004 | 0.490 ppb |
| 2019-12-06 | 35517156001 | 0.470 ppb |
| 2019-12-06 | 35517156002 | 0.630 ppb |
| 2019-12-06 | 35517156003 | 0.490 ppb |
| 2019-12-06 | 35517156004 | 0.490 ppb |
| 2020-03-11 | 35537040001 | ND |
| 2020-03-11 | 35537040002 | ND |
| 2020-03-11 | 35537040003 | ND |
| 2020-03-11 | 35537040004 | ND |
| 2020-06-05 | 35554847001 | 0.460 ppb |
| 2020-06-05 | 35554847002 | 0.470 ppb |
| 2020-06-05 | 35554847003 | 0.470 ppb |
| 2020-06-05 | 35554847004 | 0.460 ppb |
| 2020-09-04 | 35575844001 | 1.30 ppb |
| 2020-09-04 | 35575844002 | 1.30 ppb |
| 2020-09-04 | 35575844003 | 1.20 ppb |
| 2020-09-04 | 35575844004 | 1.30 ppb |
| 2020-12-04 | 35596684001 | 0.980 ppb |
| 2020-12-04 | 35596684002 | 0.930 ppb |
| 2020-12-04 | 35596684003 | 0.960 ppb |
| 2020-12-04 | 35596684004 | 0.960 ppb |
| 2021-03-12 | 35618940001 | ND |
| 2021-03-12 | 35618940002 | ND |
| 2021-03-12 | 35618940003 | 0.530 ppb |
| 2021-03-12 | 35618940004 | 0.530 ppb |
| 2021-06-04 | 35638626001 | 0.550 ppb |
| 2021-06-04 | 35638626002 | 0.600 ppb |
| 2021-06-04 | 35638626003 | 0.510 ppb |
| 2021-06-04 | 35638626004 | 0.510 ppb |
| 2021-09-16 | 35664100001 | 0.910 ppb |
| 2021-09-16 | 35664100002 | 0.750 ppb |
| 2021-09-16 | 35664100003 | 0.640 ppb |
| 2021-09-16 | 35664100004 | 0.470 ppb |
| 2021-12-17 | 35685398001 | 1.40 ppb |
| 2021-12-17 | 35685398002 | 1.30 ppb |
| 2021-12-17 | 35685398003 | 1.40 ppb |
| 2021-12-17 | 35685398004 | 1.40 ppb |
| 2022-03-04 | 35701425001 | 0.650 ppb |
| 2022-03-04 | 35701425002 | 0.620 ppb |
| 2022-03-04 | 35701425003 | 0.580 ppb |
| 2022-03-04 | 35701425004 | 0.590 ppb |
| 2022-06-02 | B2202626-001 | ND |
| 2022-06-02 | B2202626-002 | ND |
| 2022-06-02 | B2202626-003 | ND |
| 2022-06-02 | B2202626-004 | ND |
| 2022-06-15 | 35725217001 | 0.580 ppb |
| 2022-06-15 | 35725217002 | 0.450 ppb |
| 2022-06-15 | 35725217003 | 0.610 ppb |
| 2022-06-15 | 35725217004 | ND |
| 2022-09-01 | 35744144001 | 0.840 ppb |
| 2022-09-01 | 35744144002 | 0.830 ppb |
| 2022-09-01 | 35744144003 | 0.900 ppb |
| 2022-09-01 | 35744144004 | 0.970 ppb |
| 2022-12-02 | 35763800001 | 1.20 ppb |
| 2022-12-02 | 35763800002 | 1.10 ppb |
| 2022-12-02 | 35763800003 | 1.30 ppb |
| 2022-12-02 | 35763800004 | 1.30 ppb |
| 2023-03-06 | 35783890001 | ND |
| 2023-03-06 | 35783890002 | ND |
| 2023-03-06 | 35783890003 | ND |
| 2023-03-06 | 35783890004 | ND |
| 2023-06-06 | 35804543001 | ND |
| 2023-06-06 | 35804543002 | 0.770 ppb |
| 2023-06-06 | 35804543003 | 0.800 ppb |
| 2023-06-06 | 35804543004 | 0.800 ppb |
| 2023-09-19 | 35828760001 | 2.10 ppb |
| 2023-09-19 | 35828760002 | 2.00 ppb |
| 2023-09-19 | 35828760003 | 1.90 ppb |
| 2023-09-19 | 35828760004 | 2.20 ppb |
| 2023-12-20 | 35850139001 | 1.10 ppb |
| 2023-12-20 | 35850139002 | 1.000 ppb |
| 2023-12-20 | 35850139003 | 1.000 ppb |
| 2023-12-20 | 35850139004 | 1.000 ppb |