Dibromoacetic acid
Gretna Waterworks
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 | 0.825 ppb | 32 | 24 | ND - 1.80 ppb |
| 2019 | 0.561 ppb | 32 | 22 | ND - 1.000 ppb |
| 2020 | 0.724 ppb | 16 | 10 | ND - 1.50 ppb |
| 2021 | 0.690 ppb | 16 | 12 | ND - 1.20 ppb |
| 2022 | 0.850 ppb | 16 | 14 | ND - 1.20 ppb |
| 2023 | 1.52 ppb | 16 | 15 | ND - 2.90 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 |
|---|---|---|
| 2018-02-01 | 35371671001 | 0.660 ppb |
| 2018-02-01 | 35371671002 | 0.760 ppb |
| 2018-02-01 | 35371671003 | 0.810 ppb |
| 2018-02-01 | 35371671004 | 0.640 ppb |
| 2018-02-01 | 35371671001 | 0.660 ppb |
| 2018-02-01 | 35371671002 | 0.760 ppb |
| 2018-02-01 | 35371671003 | 0.810 ppb |
| 2018-02-01 | 35371671004 | 0.640 ppb |
| 2018-05-10 | 35391806001 | ND |
| 2018-05-10 | 35391806002 | ND |
| 2018-05-10 | 35391806003 | ND |
| 2018-05-10 | 35391806004 | ND |
| 2018-05-10 | 35391806001 | ND |
| 2018-05-10 | 35391806002 | ND |
| 2018-05-10 | 35391806003 | ND |
| 2018-05-10 | 35391806004 | ND |
| 2018-08-06 | 35409217001 | 1.60 ppb |
| 2018-08-06 | 35409217002 | 1.70 ppb |
| 2018-08-06 | 35409217003 | 1.80 ppb |
| 2018-08-06 | 35409217004 | 1.60 ppb |
| 2018-08-06 | 35409217001 | 1.60 ppb |
| 2018-08-06 | 35409217002 | 1.70 ppb |
| 2018-08-06 | 35409217003 | 1.80 ppb |
| 2018-08-06 | 35409217004 | 1.60 ppb |
| 2018-11-08 | 35430061001 | 0.900 ppb |
| 2018-11-08 | 35430061002 | 0.900 ppb |
| 2018-11-08 | 35430061003 | 0.910 ppb |
| 2018-11-08 | 35430061004 | 0.920 ppb |
| 2018-11-08 | 35430061001 | 0.900 ppb |
| 2018-11-08 | 35430061002 | 0.900 ppb |
| 2018-11-08 | 35430061003 | 0.910 ppb |
| 2018-11-08 | 35430061004 | 0.920 ppb |
| 2019-02-12 | 35447890001 | 0.890 ppb |
| 2019-02-12 | 35447890002 | 0.830 ppb |
| 2019-02-12 | 35447890003 | 0.850 ppb |
| 2019-02-12 | 35447890004 | 0.970 ppb |
| 2019-02-12 | 35447890001 | 0.890 ppb |
| 2019-02-12 | 35447890002 | 0.830 ppb |
| 2019-02-12 | 35447890003 | 0.850 ppb |
| 2019-02-12 | 35447890004 | 0.970 ppb |
| 2019-05-08 | 35467870001 | ND |
| 2019-05-08 | 35467870002 | ND |
| 2019-05-08 | 35467870003 | ND |
| 2019-05-08 | 35467870004 | ND |
| 2019-05-08 | 35467870001 | ND |
| 2019-05-08 | 35467870002 | ND |
| 2019-05-08 | 35467870003 | ND |
| 2019-05-08 | 35467870004 | ND |
| 2019-08-09 | 35489005001 | 0.807 ppb |
| 2019-08-09 | 35489005002 | 0.739 ppb |
| 2019-08-09 | 35489005003 | ND |
| 2019-08-09 | 35489005004 | 0.780 ppb |
| 2019-08-09 | 35489005001 | 0.807 ppb |
| 2019-08-09 | 35489005002 | 0.739 ppb |
| 2019-08-09 | 35489005003 | ND |
| 2019-08-09 | 35489005004 | 0.780 ppb |
| 2019-11-13 | 35512510001 | 0.700 ppb |
| 2019-11-13 | 35512510002 | 0.880 ppb |
| 2019-11-13 | 35512510003 | 1.000 ppb |
| 2019-11-13 | 35512510004 | 0.530 ppb |
| 2019-11-13 | 35512510001 | 0.700 ppb |
| 2019-11-13 | 35512510002 | 0.880 ppb |
| 2019-11-13 | 35512510003 | 1.000 ppb |
| 2019-11-13 | 35512510004 | 0.530 ppb |
| 2020-02-12 | 35531008001 | ND |
| 2020-02-12 | 35531008002 | ND |
| 2020-02-12 | 35531008003 | ND |
| 2020-02-12 | 35531008004 | ND |
| 2020-05-13 | 35550106001 | ND |
| 2020-05-13 | 35550106002 | 0.610 ppb |
| 2020-05-13 | 35550106003 | ND |
| 2020-05-13 | 35550106004 | 0.470 ppb |
| 2020-08-03 | 35567567001 | 1.30 ppb |
| 2020-08-03 | 35567567002 | 1.50 ppb |
| 2020-08-03 | 35567567003 | 1.10 ppb |
| 2020-08-03 | 35567567004 | 1.40 ppb |
| 2020-11-23 | 35594565001 | 1.40 ppb |
| 2020-11-23 | 35594565002 | 1.30 ppb |
| 2020-11-23 | 35594565003 | 1.30 ppb |
| 2020-11-23 | 35594565004 | 1.20 ppb |
| 2021-02-01 | 35609050001 | 0.780 ppb |
| 2021-02-01 | 35609050002 | 0.850 ppb |
| 2021-02-01 | 35609050003 | 0.810 ppb |
| 2021-02-01 | 35609050004 | 0.760 ppb |
| 2021-05-12 | 35633205001 | 0.950 ppb |
| 2021-05-12 | 35633205002 | 0.790 ppb |
| 2021-05-12 | 35633205003 | 0.750 ppb |
| 2021-05-12 | 35633205004 | 0.750 ppb |
| 2021-08-11 | 35655164001 | ND |
| 2021-08-11 | 35655164002 | ND |
| 2021-08-11 | 35655164003 | ND |
| 2021-08-11 | 35655164004 | ND |
| 2021-11-03 | 35676382001 | 1.20 ppb |
| 2021-11-03 | 35676382002 | 1.20 ppb |
| 2021-11-03 | 35676382003 | 1.10 ppb |
| 2021-11-03 | 35676382004 | 1.10 ppb |
| 2022-02-02 | 35694454001 | 0.470 ppb |
| 2022-02-02 | 35694454002 | 0.490 ppb |
| 2022-02-02 | 35694454003 | 1.20 ppb |
| 2022-02-02 | 35694454004 | 1.20 ppb |
| 2022-05-04 | 35717565001 | ND |
| 2022-05-04 | 35717565002 | ND |
| 2022-05-04 | 35717565003 | 0.680 ppb |
| 2022-05-04 | 35717565004 | 0.660 ppb |
| 2022-08-17 | 35740693001 | 1.000 ppb |
| 2022-08-17 | 35740693002 | 1.10 ppb |
| 2022-08-17 | 35740693003 | 1.20 ppb |
| 2022-08-17 | 35740693004 | 1.10 ppb |
| 2022-11-16 | 35760803001 | 1.10 ppb |
| 2022-11-16 | 35760803002 | 1.20 ppb |
| 2022-11-16 | 35760803003 | 1.10 ppb |
| 2022-11-16 | 35760803004 | 1.10 ppb |
| 2023-02-07 | 35777762001 | 0.750 ppb |
| 2023-02-07 | 35777762002 | 0.730 ppb |
| 2023-02-07 | 35777762003 | 0.740 ppb |
| 2023-02-07 | 35777762004 | 0.750 ppb |
| 2023-05-03 | 35797116001 | 0.660 ppb |
| 2023-05-03 | 35797116002 | 0.630 ppb |
| 2023-05-03 | 35797116003 | ND |
| 2023-05-03 | 35797116004 | 0.660 ppb |
| 2023-08-09 | 35819568001 | 2.20 ppb |
| 2023-08-09 | 35819568002 | 2.20 ppb |
| 2023-08-09 | 35819568003 | 2.00 ppb |
| 2023-08-09 | 35819568004 | 2.10 ppb |
| 2023-11-01 | 35839001001 | 2.90 ppb |
| 2023-11-01 | 35839001002 | 2.70 ppb |
| 2023-11-01 | 35839001003 | 2.70 ppb |
| 2023-11-01 | 35839001004 | 2.60 ppb |