Dibromoacetic acid
Eden Isles 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 | 0.661 ppb | 32 | 24 | ND - 1.30 ppb |
| 2019 | 0.826 ppb | 32 | 32 | 0.660 ppb - 1.10 ppb |
| 2020 | 0.0325 ppb | 16 | 1 | ND - 0.520 ppb |
| 2021 | 0.501 ppb | 16 | 13 | ND - 0.820 ppb |
| 2022 | 0.541 ppb | 16 | 14 | ND - 0.760 ppb |
| 2023 | 0.276 ppb | 16 | 8 | ND - 0.620 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 |
|---|---|---|
| 2018-01-22 | 35369731001 | 1.30 ppb |
| 2018-01-22 | 35369731002 | 1.30 ppb |
| 2018-01-22 | 35369731003 | 1.30 ppb |
| 2018-01-22 | 35369731004 | 1.30 ppb |
| 2018-01-22 | 35369731001 | 1.30 ppb |
| 2018-01-22 | 35369731002 | 1.30 ppb |
| 2018-01-22 | 35369731003 | 1.30 ppb |
| 2018-01-22 | 35369731004 | 1.30 ppb |
| 2018-04-05 | 35384631001 | ND |
| 2018-04-05 | 35384631002 | ND |
| 2018-04-05 | 35384631003 | ND |
| 2018-04-05 | 35384631004 | ND |
| 2018-04-05 | 35384631001 | ND |
| 2018-04-05 | 35384631002 | ND |
| 2018-04-05 | 35384631003 | ND |
| 2018-04-05 | 35384631004 | ND |
| 2018-07-02 | 35401893001 | 0.550 ppb |
| 2018-07-02 | 35401893002 | 0.450 ppb |
| 2018-07-02 | 35401893003 | 0.540 ppb |
| 2018-07-02 | 35401893004 | 0.500 ppb |
| 2018-07-02 | 35401893001 | 0.550 ppb |
| 2018-07-02 | 35401893002 | 0.450 ppb |
| 2018-07-02 | 35401893003 | 0.540 ppb |
| 2018-07-02 | 35401893004 | 0.500 ppb |
| 2018-10-05 | 35422545001 | 0.830 ppb |
| 2018-10-05 | 35422545002 | 0.730 ppb |
| 2018-10-05 | 35422545003 | 0.860 ppb |
| 2018-10-05 | 35422545004 | 0.910 ppb |
| 2018-10-05 | 35422545001 | 0.830 ppb |
| 2018-10-05 | 35422545002 | 0.730 ppb |
| 2018-10-05 | 35422545003 | 0.860 ppb |
| 2018-10-05 | 35422545004 | 0.910 ppb |
| 2019-01-04 | 35440252001 | 0.710 ppb |
| 2019-01-04 | 35440252002 | 0.750 ppb |
| 2019-01-04 | 35440252003 | 0.750 ppb |
| 2019-01-04 | 35440252004 | 0.750 ppb |
| 2019-01-04 | 35440252001 | 0.710 ppb |
| 2019-01-04 | 35440252002 | 0.750 ppb |
| 2019-01-04 | 35440252003 | 0.750 ppb |
| 2019-01-04 | 35440252004 | 0.750 ppb |
| 2019-04-05 | 35459951001 | 0.910 ppb |
| 2019-04-05 | 35459951002 | 0.900 ppb |
| 2019-04-05 | 35459951003 | 0.980 ppb |
| 2019-04-05 | 35459951004 | 0.860 ppb |
| 2019-04-05 | 35459951001 | 0.910 ppb |
| 2019-04-05 | 35459951002 | 0.900 ppb |
| 2019-04-05 | 35459951003 | 0.980 ppb |
| 2019-04-05 | 35459951004 | 0.860 ppb |
| 2019-07-03 | 35480389001 | 0.830 ppb |
| 2019-07-03 | 35480389002 | 0.940 ppb |
| 2019-07-03 | 35480389003 | 1.000 ppb |
| 2019-07-03 | 35480389004 | 1.10 ppb |
| 2019-07-03 | 35480389001 | 0.830 ppb |
| 2019-07-03 | 35480389002 | 0.940 ppb |
| 2019-07-03 | 35480389003 | 1.000 ppb |
| 2019-07-03 | 35480389004 | 1.10 ppb |
| 2019-10-04 | 35502854001 | 0.730 ppb |
| 2019-10-04 | 35502854002 | 0.670 ppb |
| 2019-10-04 | 35502854003 | 0.680 ppb |
| 2019-10-04 | 35502854004 | 0.660 ppb |
| 2019-10-04 | 35502854001 | 0.730 ppb |
| 2019-10-04 | 35502854002 | 0.670 ppb |
| 2019-10-04 | 35502854003 | 0.680 ppb |
| 2019-10-04 | 35502854004 | 0.660 ppb |
| 2020-01-03 | 35521918001 | ND |
| 2020-01-03 | 35521918002 | ND |
| 2020-01-03 | 35521918003 | ND |
| 2020-01-03 | 35521918004 | ND |
| 2020-04-03 | 35541462001 | 0.520 ppb |
| 2020-04-03 | 35541462002 | ND |
| 2020-04-03 | 35541462003 | ND |
| 2020-04-03 | 35541462004 | ND |
| 2020-07-02 | 35560515001 | ND |
| 2020-07-02 | 35560515002 | ND |
| 2020-07-02 | 35560515003 | ND |
| 2020-07-02 | 35560515004 | ND |
| 2020-10-02 | 35582102001 | ND |
| 2020-10-02 | 35582102002 | ND |
| 2020-10-02 | 35582102003 | ND |
| 2020-10-02 | 35582102004 | ND |
| 2021-01-08 | 35603898001 | ND |
| 2021-01-08 | 35603898002 | 0.550 ppb |
| 2021-01-08 | 35603898003 | 0.540 ppb |
| 2021-01-08 | 35603898004 | ND |
| 2021-04-09 | 35625081001 | 0.520 ppb |
| 2021-04-09 | 35625081002 | 0.510 ppb |
| 2021-04-09 | 35625081003 | 0.460 ppb |
| 2021-04-09 | 35625081004 | 0.470 ppb |
| 2021-07-02 | 35644914001 | 0.810 ppb |
| 2021-07-02 | 35644914002 | 0.820 ppb |
| 2021-07-02 | 35644914003 | 0.780 ppb |
| 2021-07-02 | 35644914004 | 0.800 ppb |
| 2021-10-01 | 35668738001 | 0.620 ppb |
| 2021-10-01 | 35668738002 | 0.570 ppb |
| 2021-10-01 | 35668738003 | 0.570 ppb |
| 2021-10-01 | 35668738004 | ND |
| 2022-01-07 | 35689223001 | 0.540 ppb |
| 2022-01-07 | 35689223002 | 0.580 ppb |
| 2022-01-07 | 35689223003 | 0.630 ppb |
| 2022-01-07 | 35689223004 | 0.540 ppb |
| 2022-04-08 | 35709825001 | ND |
| 2022-04-08 | 35709825002 | 0.450 ppb |
| 2022-04-08 | 35709825003 | 0.460 ppb |
| 2022-04-08 | 35709825004 | ND |
| 2022-07-07 | 35731065002 | 0.710 ppb |
| 2022-07-07 | 35731065003 | 0.680 ppb |
| 2022-07-07 | 35731065004 | 0.690 ppb |
| 2022-07-08 | 35731065001 | 0.690 ppb |
| 2022-10-06 | 35751466001 | 0.480 ppb |
| 2022-10-06 | 35751466002 | 0.740 ppb |
| 2022-10-06 | 35751466003 | 0.700 ppb |
| 2022-10-06 | 35751466004 | 0.760 ppb |
| 2023-01-06 | 35770967001 | 0.540 ppb |
| 2023-01-06 | 35770967002 | 0.570 ppb |
| 2023-01-06 | 35770967003 | 0.500 ppb |
| 2023-01-06 | 35770967004 | 0.440 ppb |
| 2023-04-05 | 35790505001 | ND |
| 2023-04-05 | 35790505002 | ND |
| 2023-04-05 | 35790505003 | ND |
| 2023-04-05 | 35790505004 | ND |
| 2023-07-07 | 35811456001 | ND |
| 2023-07-07 | 35811456002 | ND |
| 2023-07-07 | 35811456003 | ND |
| 2023-07-07 | 35811456004 | ND |
| 2023-10-04 | 35832958001 | 0.610 ppb |
| 2023-10-04 | 35832958002 | 0.620 ppb |
| 2023-10-04 | 35832958003 | 0.580 ppb |
| 2023-10-04 | 35832958004 | 0.560 ppb |