Dibromoacetic acid
Franklin Water Supply
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 | 0.790 ppb | 24 | 18 | ND - 1.70 ppb |
| 2019 | 1.00 ppb | 24 | 24 | 0.790 ppb - 1.50 ppb |
| 2020 | 0.187 ppb | 10 | 3 | ND - 0.990 ppb |
| 2021 | 0.574 ppb | 8 | 6 | ND - 1.30 ppb |
| 2022 | 0.643 ppb | 8 | 6 | ND - 1.10 ppb |
| 2023 | 2.94 ppb | 8 | 6 | ND - 7.90 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 | 35370562003 | ND |
| 2018-01-24 | 35370562001 | 0.830 ppb |
| 2018-01-24 | 35370562003 | ND |
| 2018-01-24 | 35370562002 | 0.840 ppb |
| 2018-01-24 | 35370562001 | 0.830 ppb |
| 2018-01-24 | 35370562002 | 0.840 ppb |
| 2018-04-11 | 35385731001 | 1.000 ppb |
| 2018-04-11 | 35385731002 | 0.960 ppb |
| 2018-04-11 | 35385731003 | 0.960 ppb |
| 2018-04-11 | 35385731003 | 0.960 ppb |
| 2018-04-11 | 35385731002 | 0.960 ppb |
| 2018-04-11 | 35385731001 | 1.000 ppb |
| 2018-07-05 | 35402530003 | 0.930 ppb |
| 2018-07-05 | 35402530001 | 1.40 ppb |
| 2018-07-05 | 35402530002 | 1.70 ppb |
| 2018-07-05 | 35402530003 | 0.930 ppb |
| 2018-07-05 | 35402530002 | 1.70 ppb |
| 2018-07-05 | 35402530001 | 1.40 ppb |
| 2018-10-05 | 35422740002 | ND |
| 2018-10-05 | 35422740001 | ND |
| 2018-10-05 | 35422740002 | ND |
| 2018-10-05 | 35422740003 | 0.860 ppb |
| 2018-10-05 | 35422740003 | 0.860 ppb |
| 2018-10-05 | 35422740001 | ND |
| 2019-01-09 | 35441747001 | 0.790 ppb |
| 2019-01-09 | 35441747002 | 0.820 ppb |
| 2019-01-09 | 35441747003 | 0.830 ppb |
| 2019-01-09 | 35441747003 | 0.830 ppb |
| 2019-01-09 | 35441747002 | 0.820 ppb |
| 2019-01-09 | 35441747001 | 0.790 ppb |
| 2019-04-02 | 35459600001 | 1.20 ppb |
| 2019-04-02 | 35459600003 | 1.10 ppb |
| 2019-04-02 | 35459600002 | 0.850 ppb |
| 2019-04-02 | 35459600001 | 1.20 ppb |
| 2019-04-02 | 35459600003 | 1.10 ppb |
| 2019-04-02 | 35459600002 | 0.850 ppb |
| 2019-07-10 | 35481588003 | 0.980 ppb |
| 2019-07-10 | 35481588002 | 0.900 ppb |
| 2019-07-10 | 35481588001 | 1.000 ppb |
| 2019-07-10 | 35481588001 | 1.000 ppb |
| 2019-07-10 | 35481588002 | 0.900 ppb |
| 2019-07-10 | 35481588003 | 0.980 ppb |
| 2019-10-08 | 35503713002 | 1.20 ppb |
| 2019-10-08 | 35503713002 | 1.20 ppb |
| 2019-10-08 | 35503713003 | 1.50 ppb |
| 2019-10-08 | 35503713001 | 0.840 ppb |
| 2019-10-08 | 35503713003 | 1.50 ppb |
| 2019-10-08 | 35503713001 | 0.840 ppb |
| 2020-01-16 | 35525090001 | ND |
| 2020-01-16 | 35525090002 | 0.440 ppb |
| 2020-01-16 | 35525090003 | ND |
| 2020-04-01 | 35541114001 | 0.440 ppb |
| 2020-04-01 | 35541114002 | ND |
| 2020-04-01 | 35541114003 | ND |
| 2020-07-01 | 35560386001 | ND |
| 2020-07-01 | 35560386002 | ND |
| 2020-10-02 | 35582142001 | 0.990 ppb |
| 2020-10-02 | 35582142002 | ND |
| 2021-01-07 | 35603280002 | 0.480 ppb |
| 2021-01-07 | 35603280001 | 0.660 ppb |
| 2021-04-08 | 35624803002 | ND |
| 2021-04-08 | 35624803001 | ND |
| 2021-07-01 | 35644821001 | 0.680 ppb |
| 2021-07-01 | 35644821002 | 0.830 ppb |
| 2021-10-14 | 35672946002 | 0.640 ppb |
| 2021-10-14 | 35672946001 | 1.30 ppb |
| 2022-01-06 | 35689136001 | 1.10 ppb |
| 2022-01-06 | 35689136002 | 1.000 ppb |
| 2022-04-01 | 35707510001 | ND |
| 2022-04-01 | 35707510002 | ND |
| 2022-07-07 | 35730142001 | 0.470 ppb |
| 2022-07-07 | 35730142002 | 1.10 ppb |
| 2022-10-07 | 35751824002 | 0.880 ppb |
| 2022-10-07 | 35751824001 | 0.590 ppb |
| 2023-01-12 | 35772528001 | 1.10 ppb |
| 2023-01-12 | 35772528002 | 2.90 ppb |
| 2023-04-11 | 35791942001 | ND |
| 2023-04-11 | 35791942002 | ND |
| 2023-07-17 | 35813800001 | 2.50 ppb |
| 2023-07-17 | 35813800002 | 2.00 ppb |
| 2023-10-24 | 35837530001 | 7.90 ppb |
| 2023-10-24 | 35837530002 | 7.10 ppb |