Dibromoacetic acid
Walker 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 | 0.345 ppb | 32 | 14 | ND - 0.960 ppb |
| 2019 | 0.0469 ppb | 32 | 2 | ND - 0.750 ppb |
| 2020 | ND | 16 | 0 | ND |
| 2021 | ND | 16 | 0 | ND |
| 2022 | 0.124 ppb | 16 | 4 | ND - 0.590 ppb |
| 2023 | 0.356 ppb | 16 | 1 | ND - 5.70 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 |
|---|---|---|
| 2018-02-02 | 35371888001 | ND |
| 2018-02-02 | 35371888002 | ND |
| 2018-02-02 | 35371888003 | ND |
| 2018-02-02 | 35371888004 | ND |
| 2018-02-02 | 35371888001 | ND |
| 2018-02-02 | 35371888002 | ND |
| 2018-02-02 | 35371888003 | ND |
| 2018-02-02 | 35371888004 | ND |
| 2018-05-03 | 35390312001 | 0.780 ppb |
| 2018-05-03 | 35390312002 | 0.740 ppb |
| 2018-05-03 | 35390312003 | 0.650 ppb |
| 2018-05-03 | 35390312004 | 0.750 ppb |
| 2018-05-03 | 35390312001 | 0.780 ppb |
| 2018-05-03 | 35390312002 | 0.740 ppb |
| 2018-05-03 | 35390312003 | 0.650 ppb |
| 2018-05-03 | 35390312004 | 0.750 ppb |
| 2018-08-07 | 35409811001 | 0.960 ppb |
| 2018-08-07 | 35409811002 | ND |
| 2018-08-07 | 35409811003 | 0.810 ppb |
| 2018-08-07 | 35409811004 | 0.830 ppb |
| 2018-08-07 | 35409811001 | 0.960 ppb |
| 2018-08-07 | 35409811002 | ND |
| 2018-08-07 | 35409811003 | 0.810 ppb |
| 2018-08-07 | 35409811004 | 0.830 ppb |
| 2018-11-01 | 35428050001 | ND |
| 2018-11-01 | 35428050002 | ND |
| 2018-11-01 | 35428050003 | ND |
| 2018-11-01 | 35428050004 | ND |
| 2018-11-01 | 35428050001 | ND |
| 2018-11-01 | 35428050002 | ND |
| 2018-11-01 | 35428050003 | ND |
| 2018-11-01 | 35428050004 | ND |
| 2019-02-14 | 35448843001 | ND |
| 2019-02-14 | 35448843002 | ND |
| 2019-02-14 | 35448843003 | ND |
| 2019-02-14 | 35448843004 | ND |
| 2019-02-14 | 35448843001 | ND |
| 2019-02-14 | 35448843002 | ND |
| 2019-02-14 | 35448843003 | ND |
| 2019-02-14 | 35448843004 | ND |
| 2019-05-15 | 35469379001 | ND |
| 2019-05-15 | 35469379002 | ND |
| 2019-05-15 | 35469379003 | ND |
| 2019-05-15 | 35469379004 | 0.750 ppb |
| 2019-05-15 | 35469379001 | ND |
| 2019-05-15 | 35469379002 | ND |
| 2019-05-15 | 35469379003 | ND |
| 2019-05-15 | 35469379004 | 0.750 ppb |
| 2019-08-01 | 35486873001 | ND |
| 2019-08-01 | 35486873002 | ND |
| 2019-08-01 | 35486873003 | ND |
| 2019-08-01 | 35486873004 | ND |
| 2019-08-01 | 35486873001 | ND |
| 2019-08-01 | 35486873002 | ND |
| 2019-08-01 | 35486873003 | ND |
| 2019-08-01 | 35486873004 | ND |
| 2019-11-07 | 35511062001 | ND |
| 2019-11-07 | 35511062002 | ND |
| 2019-11-07 | 35511062003 | ND |
| 2019-11-07 | 35511062004 | ND |
| 2019-11-07 | 35511062001 | ND |
| 2019-11-07 | 35511062002 | ND |
| 2019-11-07 | 35511062003 | ND |
| 2019-11-07 | 35511062004 | ND |
| 2020-02-06 | 35529496001 | ND |
| 2020-02-06 | 35529496002 | ND |
| 2020-02-06 | 35529496003 | ND |
| 2020-02-06 | 35529496004 | ND |
| 2020-05-08 | 35548831001 | ND |
| 2020-05-08 | 35548831002 | ND |
| 2020-05-08 | 35548831003 | ND |
| 2020-05-08 | 35548831004 | ND |
| 2020-08-06 | 35569084001 | ND |
| 2020-08-06 | 35569084002 | ND |
| 2020-08-06 | 35569084003 | ND |
| 2020-08-06 | 35569084004 | ND |
| 2020-11-06 | 35590483001 | ND |
| 2020-11-06 | 35590483002 | ND |
| 2020-11-06 | 35590483003 | ND |
| 2020-11-06 | 35590483004 | ND |
| 2021-02-05 | 35610002001 | ND |
| 2021-02-05 | 35610002002 | ND |
| 2021-02-05 | 35610002003 | ND |
| 2021-02-05 | 35610002004 | ND |
| 2021-05-06 | 35631659001 | ND |
| 2021-05-06 | 35631659002 | ND |
| 2021-05-06 | 35631659003 | ND |
| 2021-05-06 | 35631659004 | ND |
| 2021-08-05 | 35653771001 | ND |
| 2021-08-05 | 35653771002 | ND |
| 2021-08-05 | 35653771003 | ND |
| 2021-08-05 | 35653771004 | ND |
| 2021-11-05 | 35676292001 | ND |
| 2021-11-05 | 35676292002 | ND |
| 2021-11-05 | 35676292003 | ND |
| 2021-11-05 | 35676292004 | ND |
| 2022-02-10 | 35696562005 | 0.470 ppb |
| 2022-02-10 | 35696562006 | 0.490 ppb |
| 2022-02-10 | 35696562007 | 0.440 ppb |
| 2022-02-10 | 35696562008 | 0.590 ppb |
| 2022-05-06 | 35715922001 | ND |
| 2022-05-06 | 35715922002 | ND |
| 2022-05-06 | 35715922003 | ND |
| 2022-05-06 | 35715922004 | ND |
| 2022-08-17 | 35741191001 | ND |
| 2022-08-17 | 35741191002 | ND |
| 2022-08-17 | 35741191003 | ND |
| 2022-08-17 | 35741191004 | ND |
| 2022-11-04 | 35758151001 | ND |
| 2022-11-04 | 35758151002 | ND |
| 2022-11-04 | 35758151003 | ND |
| 2022-11-04 | 35758151004 | ND |
| 2023-02-03 | 35776989001 | ND |
| 2023-02-03 | 35776989002 | ND |
| 2023-02-03 | 35776989003 | ND |
| 2023-02-03 | 35776989004 | ND |
| 2023-05-05 | 35797785001 | ND |
| 2023-05-05 | 35797785002 | ND |
| 2023-05-05 | 35797785003 | ND |
| 2023-05-05 | 35797785004 | ND |
| 2023-08-02 | 35818085001 | ND |
| 2023-08-02 | 35818085002 | ND |
| 2023-08-02 | 35818085003 | ND |
| 2023-08-02 | 35818085004 | 5.70 ppb |
| 2023-11-03 | 35839250001 | ND |
| 2023-11-03 | 35839250002 | ND |
| 2023-11-03 | 35839250003 | ND |
| 2023-11-03 | 35839250004 | ND |