Dibromoacetic acid
Avon Water Company
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 | 1.19 ppb | 16 | 14 | ND - 2.80 ppb |
| 2019 | 1.02 ppb | 16 | 15 | ND - 2.30 ppb |
| 2020 | 1.19 ppb | 16 | 15 | ND - 3.20 ppb |
| 2021 | 0.818 ppb | 17 | 13 | ND - 1.30 ppb |
| 2022 | 1.04 ppb | 16 | 9 | ND - 3.60 ppb |
| 2023 | 0.675 ppb | 16 | 7 | ND - 2.10 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 |
|---|---|---|
| 2018-01-24 | D8A1669-02HA5 | 0.900 ppb |
| 2018-01-24 | D8A1669-03HA5 | 1.20 ppb |
| 2018-01-24 | D8A1669-04HA5 | 0.500 ppb |
| 2018-01-24 | D8A1669-01HA5 | 1.000 ppb |
| 2018-04-25 | D8D2151-08HA5 | ND |
| 2018-04-25 | D8D2151-09HA5 | 1.90 ppb |
| 2018-04-25 | D8D2151-10HA5 | 1.40 ppb |
| 2018-04-25 | D8D2151-11HA5 | 1.40 ppb |
| 2018-07-26 | CA98743 | ND |
| 2018-07-26 | CA98744 | 2.80 ppb |
| 2018-07-26 | CA98745 | 1.70 ppb |
| 2018-07-26 | CA98746 | 2.30 ppb |
| 2018-10-09 | DBP 200508665 | 0.800 ppb |
| 2018-10-09 | DBP 200508678 | 1.10 ppb |
| 2018-10-09 | DBP 200508676 | 1.20 ppb |
| 2018-10-09 | DBP 200508664 | 0.800 ppb |
| 2019-01-08 | DBP 200518131 | 0.600 ppb |
| 2019-01-08 | DBP 200518132 | ND |
| 2019-01-08 | DBP 200518133 | 0.500 ppb |
| 2019-01-08 | DBP 200518135 | 0.500 ppb |
| 2019-04-11 | DBP 200528267 | 0.900 ppb |
| 2019-04-11 | DBP 200528268 | 2.30 ppb |
| 2019-04-11 | DBP 200528269 | 1.20 ppb |
| 2019-04-11 | DBP 200528270 | 1.30 ppb |
| 2019-07-02 | DBP 200538993 | 1.80 ppb |
| 2019-07-02 | DBP 200538996 | 1.30 ppb |
| 2019-07-02 | DBP 200538995 | 1.20 ppb |
| 2019-07-02 | DBP 200538992 | 0.500 ppb |
| 2019-10-03 | DBP 200551430 | 1.40 ppb |
| 2019-10-03 | DBP 200551431 | 0.900 ppb |
| 2019-10-03 | DBP 200551432 | 1.40 ppb |
| 2019-10-03 | DBP 200551429 | 0.500 ppb |
| 2020-01-09 | DBP 200562755 | ND |
| 2020-01-09 | DBP 200562756 | 1.30 ppb |
| 2020-01-09 | DBP 200562757 | 1.30 ppb |
| 2020-01-09 | DBP 200562758 | 1.000 ppb |
| 2020-04-16 | DBP 200572928 | 1.10 ppb |
| 2020-04-16 | DBP 200572929 | 1.40 ppb |
| 2020-04-16 | DBP 200572927 | 1.50 ppb |
| 2020-04-16 | DBP 200572926 | 0.600 ppb |
| 2020-07-20 | DBP 200583413 | 0.500 ppb |
| 2020-07-20 | DBP 200583414 | 2.40 ppb |
| 2020-07-20 | DBP 200583415 | 1.40 ppb |
| 2020-07-20 | DBP 200583416 | 1.70 ppb |
| 2020-10-21 | DBP 200595044 | 0.500 ppb |
| 2020-10-21 | DBP 200595045 | 3.20 ppb |
| 2020-10-21 | DBP 200595046 | 0.600 ppb |
| 2020-10-21 | DBP 200595047 | 0.600 ppb |
| 2021-01-07 | DBP 200603406 | 1.30 ppb |
| 2021-01-07 | DBP 200603402 | 0.800 ppb |
| 2021-01-07 | DBP 200603404 | 0.900 ppb |
| 2021-01-07 | DBP 200603405 | 1.10 ppb |
| 2021-01-08 | DBP 200603409 | ND |
| 2021-04-15 | DBP 200613652 | 0.600 ppb |
| 2021-04-15 | DBP 200613653 | 1.30 ppb |
| 2021-04-15 | DBP 200613654 | 1.20 ppb |
| 2021-04-15 | DBP 200613655 | 1.20 ppb |
| 2021-07-01 | DBP 200623334 | ND |
| 2021-07-01 | DBP 200623335 | ND |
| 2021-07-01 | DBP 200623336 | 1.20 ppb |
| 2021-07-01 | DBP 200623338 | 1.20 ppb |
| 2021-10-12 | H300079407 300079433 | 1.15 ppb |
| 2021-10-12 | H300079409 300079435 | ND |
| 2021-10-12 | H300079408 300079434 | 1.05 ppb |
| 2021-10-12 | H300079406 300079432 | 0.910 ppb |
| 2022-01-14 | CK17779 | ND |
| 2022-01-14 | CK17780 | ND |
| 2022-01-14 | CK17781 | ND |
| 2022-01-18 | CK17774 | ND |
| 2022-04-15 | CL11166 | ND |
| 2022-04-15 | CL11167 | 1.70 ppb |
| 2022-04-15 | CL11168 | 1.70 ppb |
| 2022-04-15 | CL11169 | 2.00 ppb |
| 2022-07-08 | CL75309 | ND |
| 2022-07-08 | CL75312 | 1.60 ppb |
| 2022-07-08 | CL75310 | 3.60 ppb |
| 2022-07-08 | CL75311 | 1.80 ppb |
| 2022-10-21 | CM69248 | 1.30 ppb |
| 2022-10-21 | CM69249 | 1.80 ppb |
| 2022-10-21 | CM69250 | 1.10 ppb |
| 2022-10-21 | CM69251 | ND |
| 2023-01-11 | CN21964 | ND |
| 2023-01-12 | CN24188 | 1.40 ppb |
| 2023-01-12 | CN24189 | 1.60 ppb |
| 2023-01-12 | CN24190 | ND |
| 2023-04-14 | CN85863 | 1.40 ppb |
| 2023-04-14 | CN85865 | ND |
| 2023-04-14 | CN85864 | 1.40 ppb |
| 2023-04-14 | CN85862 | ND |
| 2023-07-13 | CO53041 | ND |
| 2023-07-13 | CO53042 | 1.40 ppb |
| 2023-07-13 | CO53043 | 1.50 ppb |
| 2023-07-25 | CO58855 | 2.10 ppb |
| 2023-10-04 | CP17807 | ND |
| 2023-10-04 | CP17808 | ND |
| 2023-10-04 | CP17809 | ND |
| 2023-10-04 | CP17810 | ND |