Dibromoacetic acid
Natchitoches Water System
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 | 0.585 ppb | 32 | 24 | ND - 0.960 ppb |
| 2019 | 0.776 ppb | 32 | 28 | ND - 1.20 ppb |
| 2020 | 0.860 ppb | 16 | 16 | 0.500 ppb - 1.70 ppb |
| 2021 | 2.82 ppb | 16 | 16 | 0.960 ppb - 12.9 ppb |
| 2022 | 1.57 ppb | 16 | 16 | 0.990 ppb - 2.10 ppb |
| 2023 | 1.22 ppb | 16 | 16 | 0.770 ppb - 1.50 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 |
|---|---|---|
| 2018-03-15 | 35380704001 | ND |
| 2018-03-15 | 35380704002 | ND |
| 2018-03-15 | 35380704003 | ND |
| 2018-03-15 | 35380704004 | ND |
| 2018-03-15 | 35380704001 | ND |
| 2018-03-15 | 35380704002 | ND |
| 2018-03-15 | 35380704003 | ND |
| 2018-03-15 | 35380704004 | ND |
| 2018-06-25 | 35401074001 | 0.960 ppb |
| 2018-06-25 | 35401074002 | 0.870 ppb |
| 2018-06-25 | 35401074003 | 0.930 ppb |
| 2018-06-25 | 35401074004 | 0.830 ppb |
| 2018-06-25 | 35401074001 | 0.960 ppb |
| 2018-06-25 | 35401074002 | 0.870 ppb |
| 2018-06-25 | 35401074003 | 0.930 ppb |
| 2018-06-25 | 35401074004 | 0.830 ppb |
| 2018-09-18 | 35418776001 | 0.690 ppb |
| 2018-09-18 | 35418776002 | 0.870 ppb |
| 2018-09-18 | 35418776003 | 0.960 ppb |
| 2018-09-18 | 35418776004 | 0.600 ppb |
| 2018-09-18 | 35418776001 | 0.690 ppb |
| 2018-09-18 | 35418776002 | 0.870 ppb |
| 2018-09-18 | 35418776003 | 0.960 ppb |
| 2018-09-18 | 35418776004 | 0.600 ppb |
| 2018-12-17 | 35438424001 | 0.640 ppb |
| 2018-12-17 | 35438424002 | 0.720 ppb |
| 2018-12-17 | 35438424003 | 0.590 ppb |
| 2018-12-17 | 35438424004 | 0.700 ppb |
| 2018-12-17 | 35438424001 | 0.640 ppb |
| 2018-12-17 | 35438424002 | 0.720 ppb |
| 2018-12-17 | 35438424003 | 0.590 ppb |
| 2018-12-17 | 35438424004 | 0.700 ppb |
| 2019-03-07 | 35453400001 | 0.670 ppb |
| 2019-03-07 | 35453400002 | 0.490 ppb |
| 2019-03-07 | 35453400003 | 0.520 ppb |
| 2019-03-07 | 35453400004 | 0.490 ppb |
| 2019-03-07 | 35453400001 | 0.670 ppb |
| 2019-03-07 | 35453400002 | 0.490 ppb |
| 2019-03-07 | 35453400003 | 0.520 ppb |
| 2019-03-07 | 35453400004 | 0.490 ppb |
| 2019-06-24 | 35478413001 | 0.890 ppb |
| 2019-06-24 | 35478413002 | 0.940 ppb |
| 2019-06-24 | 35478413003 | 1.20 ppb |
| 2019-06-24 | 35478413004 | 1.10 ppb |
| 2019-06-24 | 35478413001 | 0.890 ppb |
| 2019-06-24 | 35478413002 | 0.940 ppb |
| 2019-06-24 | 35478413003 | 1.20 ppb |
| 2019-06-24 | 35478413004 | 1.10 ppb |
| 2019-09-12 | 35497561001 | 1.000 ppb |
| 2019-09-12 | 35497561002 | 1.20 ppb |
| 2019-09-12 | 35497561003 | 1.20 ppb |
| 2019-09-12 | 35497561004 | 1.000 ppb |
| 2019-09-12 | 35497561001 | 1.000 ppb |
| 2019-09-12 | 35497561002 | 1.20 ppb |
| 2019-09-12 | 35497561003 | 1.20 ppb |
| 2019-09-12 | 35497561004 | 1.000 ppb |
| 2019-12-17 | 35520110001 | ND |
| 2019-12-17 | 35520110002 | 0.830 ppb |
| 2019-12-17 | 35520110003 | ND |
| 2019-12-17 | 35520110004 | 0.880 ppb |
| 2019-12-17 | 35520110001 | ND |
| 2019-12-17 | 35520110002 | 0.830 ppb |
| 2019-12-17 | 35520110003 | ND |
| 2019-12-17 | 35520110004 | 0.880 ppb |
| 2020-03-26 | 35540178001 | 0.520 ppb |
| 2020-03-26 | 35540178002 | 0.580 ppb |
| 2020-03-26 | 35540178003 | 0.530 ppb |
| 2020-03-26 | 35540178004 | 0.500 ppb |
| 2020-06-26 | 35559346002 | 1.20 ppb |
| 2020-06-26 | 35559346003 | 1.20 ppb |
| 2020-06-26 | 35559346004 | 1.10 ppb |
| 2020-07-10 | 35562409001 | 1.70 ppb |
| 2020-09-30 | 35581606001 | 0.540 ppb |
| 2020-09-30 | 35581606002 | 0.830 ppb |
| 2020-09-30 | 35581606004 | 0.570 ppb |
| 2020-10-02 | 35582139001 | 1.30 ppb |
| 2020-12-11 | 35598531001 | 0.780 ppb |
| 2020-12-11 | 35598531002 | 0.780 ppb |
| 2020-12-11 | 35598531003 | 0.920 ppb |
| 2020-12-11 | 35598531004 | 0.710 ppb |
| 2021-03-17 | 35620368001 | 2.60 ppb |
| 2021-03-17 | 35620368002 | 2.30 ppb |
| 2021-03-17 | 35620368003 | 2.20 ppb |
| 2021-03-17 | 35620368004 | 2.00 ppb |
| 2021-06-11 | 35640315001 | 2.50 ppb |
| 2021-06-11 | 35640315002 | 3.00 ppb |
| 2021-06-11 | 35640315003 | 2.80 ppb |
| 2021-06-11 | 35640315004 | 3.10 ppb |
| 2021-09-24 | 35667181001 | 3.40 ppb |
| 2021-09-24 | 35667181002 | 1.50 ppb |
| 2021-09-24 | 35667181003 | 1.60 ppb |
| 2021-09-24 | 35667181004 | 2.00 ppb |
| 2021-12-03 | 35681925001 | 0.960 ppb |
| 2021-12-03 | 35681925002 | 1.30 ppb |
| 2021-12-03 | 35681925003 | 0.980 ppb |
| 2021-12-03 | 35681925004 | 12.9 ppb |
| 2022-03-28 | 35706804001 | 1.80 ppb |
| 2022-03-28 | 35706804002 | 1.40 ppb |
| 2022-03-28 | 35706804003 | 1.40 ppb |
| 2022-03-28 | 35706804004 | 1.40 ppb |
| 2022-06-16 | 35726150001 | 1.80 ppb |
| 2022-06-16 | 35726150002 | 2.00 ppb |
| 2022-06-16 | 35726150003 | 1.60 ppb |
| 2022-06-16 | 35726150004 | 1.60 ppb |
| 2022-09-21 | 35749137001 | 2.00 ppb |
| 2022-09-21 | 35749137002 | 2.10 ppb |
| 2022-09-21 | 35749137003 | 1.90 ppb |
| 2022-09-21 | 35749137004 | 1.90 ppb |
| 2022-12-27 | 35769166001 | 1.10 ppb |
| 2022-12-27 | 35769166002 | 1.20 ppb |
| 2022-12-27 | 35769166003 | 0.990 ppb |
| 2022-12-27 | 35769166004 | 1.000 ppb |
| 2023-03-29 | 35789044001 | 1.50 ppb |
| 2023-03-29 | 35789044002 | 1.40 ppb |
| 2023-03-29 | 35789044003 | 1.50 ppb |
| 2023-03-29 | 35789044004 | 1.50 ppb |
| 2023-06-27 | 35809959001 | 0.910 ppb |
| 2023-06-27 | 35809959002 | 1.000 ppb |
| 2023-06-27 | 35809959003 | 0.770 ppb |
| 2023-06-27 | 35809959004 | 1.30 ppb |
| 2023-09-26 | 35830980001 | 1.10 ppb |
| 2023-09-26 | 35830980002 | 1.000 ppb |
| 2023-09-26 | 35830980003 | 1.20 ppb |
| 2023-09-26 | 35830980004 | 1.000 ppb |
| 2023-12-26 | 35850819001 | 1.30 ppb |
| 2023-12-26 | 35850819002 | 1.30 ppb |
| 2023-12-26 | 35850819003 | 1.40 ppb |
| 2023-12-26 | 35850819004 | 1.40 ppb |