Dibromoacetic acid
City of Columbus
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.
70
Samples
0
Samples exceeding legal limit (MCL)
62
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 1.20 ppb | 8 | 8 | 0.727 ppb - 2.01 ppb |
| 2015 | 1.41 ppb | 16 | 16 | 0.837 ppb - 2.12 ppb |
| 2016 | 1.16 ppb | 16 | 14 | ND - 2.64 ppb |
| 2017 | 0.645 ppb | 16 | 12 | ND - 1.55 ppb |
| 2018 | 1.09 ppb | 12 | 10 | ND - 2.01 ppb |
| 2019 | 0.514 ppb | 2 | 2 | 0.507 ppb - 0.520 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.04 ppb
The EWG Health Guideline of 0.04 ppb for dibromoacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-23 | 324184 | 1.12 ppb |
| 2014-09-23 | 324185 | 0.727 ppb |
| 2014-09-23 | 324186 | 1.64 ppb |
| 2014-09-23 | 324183 | 1.27 ppb |
| 2014-10-27 | 332905 | 0.900 ppb |
| 2014-10-27 | 332906 | 1.11 ppb |
| 2014-10-27 | 332907 | 0.830 ppb |
| 2014-10-27 | 332908 | 2.01 ppb |
| 2015-03-02 | 348717 | 1.70 ppb |
| 2015-03-02 | 348714 | 1.52 ppb |
| 2015-03-02 | 348716 | 2.12 ppb |
| 2015-03-02 | 348715 | 1.01 ppb |
| 2015-06-01 | 364954 | 1.62 ppb |
| 2015-06-01 | 364956 | 1.46 ppb |
| 2015-06-01 | 364955 | 1.18 ppb |
| 2015-06-01 | 364953 | 1.35 ppb |
| 2015-09-08 | 378736 | 1.62 ppb |
| 2015-09-08 | 378737 | 1.17 ppb |
| 2015-09-08 | 378738 | 1.56 ppb |
| 2015-09-08 | 378739 | 1.81 ppb |
| 2015-12-01 | 402125 | 0.977 ppb |
| 2015-12-01 | 402122 | 0.837 ppb |
| 2015-12-01 | 402123 | 1.23 ppb |
| 2015-12-01 | 402124 | 1.36 ppb |
| 2016-02-29 | 1.39 ppb | |
| 2016-02-29 | 2.64 ppb | |
| 2016-02-29 | 0.922 ppb | |
| 2016-02-29 | 2.12 ppb | |
| 2016-06-08 | 2.00 ppb | |
| 2016-06-08 | 1.16 ppb | |
| 2016-06-08 | 1.44 ppb | |
| 2016-06-08 | 1.41 ppb | |
| 2016-09-06 | 0.846 ppb | |
| 2016-09-06 | 0.776 ppb | |
| 2016-09-06 | 1.24 ppb | |
| 2016-09-06 | 0.546 ppb | |
| 2016-12-05 | 0.700 ppb | |
| 2016-12-05 | 1.37 ppb | |
| 2016-12-05 | ND | |
| 2016-12-05 | ND | |
| 2017-03-06 | 1.30 ppb | |
| 2017-03-06 | 1.55 ppb | |
| 2017-03-06 | ND | |
| 2017-03-06 | 1.01 ppb | |
| 2017-06-05 | 0.751 ppb | |
| 2017-06-05 | 0.797 ppb | |
| 2017-06-05 | 0.711 ppb | |
| 2017-06-05 | ND | |
| 2017-09-06 | 0.736 ppb | |
| 2017-09-06 | 0.768 ppb | |
| 2017-09-06 | ND | |
| 2017-09-06 | 0.501 ppb | |
| 2017-12-04 | 0.755 ppb | |
| 2017-12-04 | 0.897 ppb | |
| 2017-12-04 | 0.540 ppb | |
| 2017-12-04 | ND | |
| 2018-03-05 | 534064 | 1.95 ppb |
| 2018-03-05 | 534063 | 2.01 ppb |
| 2018-03-05 | 534062 | 1.23 ppb |
| 2018-03-05 | 534061 | 1.66 ppb |
| 2018-06-04 | 549782 | 1.01 ppb |
| 2018-06-04 | 549783 | 0.733 ppb |
| 2018-06-04 | 549784 | 1.27 ppb |
| 2018-06-04 | 549785 | 1.65 ppb |
| 2018-09-04 | 568493 | ND |
| 2018-09-04 | 568494 | 0.696 ppb |
| 2018-09-04 | 568492 | 0.921 ppb |
| 2018-09-04 | 568491 | ND |
| 2019-07-15 | 623644 | 0.520 ppb |
| 2019-07-15 | 623643 | 0.507 ppb |