Dibromoacetic acid
Bellevue 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.
96
Samples
0
Samples exceeding legal limit (MCL)
87
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.886 ppb | 16 | 14 | ND - 1.20 ppb |
| 2015 | 1.02 ppb | 16 | 14 | ND - 1.40 ppb |
| 2016 | 0.994 ppb | 16 | 14 | ND - 1.50 ppb |
| 2017 | 1.29 ppb | 16 | 16 | 0.710 ppb - 2.10 ppb |
| 2018 | 0.982 ppb | 16 | 16 | 0.770 ppb - 1.40 ppb |
| 2019 | 1.04 ppb | 16 | 13 | ND - 1.80 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 |
|---|---|---|
| 2014-01-08 | 4090789002-1 | ND |
| 2014-01-08 | 4090789003-1 | 0.800 ppb |
| 2014-01-08 | 4090789004-1 | 1.20 ppb |
| 2014-01-08 | 4090789001-1 | 1.20 ppb |
| 2014-04-09 | 4094418004-1 | 0.870 ppb |
| 2014-04-09 | 4094418002-1 | 0.990 ppb |
| 2014-04-09 | 4094418003-1 | 1.000 ppb |
| 2014-04-09 | 4094418001-1 | ND |
| 2014-07-10 | 4099514001-1 | 1.10 ppb |
| 2014-07-10 | 4099514003-1 | 1.10 ppb |
| 2014-07-10 | 4099514004-1 | 1.000 ppb |
| 2014-07-10 | 4099514002-1 | 0.940 ppb |
| 2014-10-07 | 40104820001-1 | 1.000 ppb |
| 2014-10-07 | 40104820005-1 | 0.930 ppb |
| 2014-10-07 | 40104820002-1 | 1.10 ppb |
| 2014-10-07 | 40104820006-1 | 0.950 ppb |
| 2015-01-07 | 40109125004-1 | ND |
| 2015-01-07 | 40109125001-1 | 1.10 ppb |
| 2015-01-07 | 40109125002-1 | 1.30 ppb |
| 2015-01-07 | 40109125003-1 | 1.20 ppb |
| 2015-04-08 | 40112792003-1 | 1.20 ppb |
| 2015-04-08 | 40112792001-1 | 1.20 ppb |
| 2015-04-08 | 40112792004-1 | 1.20 ppb |
| 2015-04-08 | 40112792002-1 | 1.10 ppb |
| 2015-07-08 | 40117755001-1 | 1.10 ppb |
| 2015-07-08 | 40117755002-1 | 1.40 ppb |
| 2015-07-08 | 40117755003-1 | 1.20 ppb |
| 2015-07-08 | 40117755004-1 | 1.10 ppb |
| 2015-10-07 | 40122297002-1 | 1.20 ppb |
| 2015-10-07 | 40122297001-1 | ND |
| 2015-10-07 | 40122297004-1 | 0.890 ppb |
| 2015-10-07 | 40122297003-1 | 1.10 ppb |
| 2016-01-12 | 40127039002-1 | 1.000 ppb |
| 2016-01-12 | 40127039003-1 | 1.10 ppb |
| 2016-01-12 | 40127039001-1 | 1.40 ppb |
| 2016-01-12 | 40127039004-1 | 1.40 ppb |
| 2016-04-12 | 40130621003-1 | ND |
| 2016-04-12 | 40130621004-1 | 0.780 ppb |
| 2016-04-12 | 40130621002-1 | 0.820 ppb |
| 2016-04-12 | 40130621001-1 | 0.870 ppb |
| 2016-07-11 | 40135030001-1 | ND |
| 2016-07-11 | 40135030002-1 | 1.10 ppb |
| 2016-07-11 | 40135030004-1 | 1.000 ppb |
| 2016-07-11 | 40135030003-1 | 0.940 ppb |
| 2016-10-04 | 40139409003-1 | 1.30 ppb |
| 2016-10-04 | 40139409004-1 | 1.30 ppb |
| 2016-10-04 | 40139409001-1 | 1.40 ppb |
| 2016-10-04 | 40139409002-1 | 1.50 ppb |
| 2017-01-13 | 40144456002-1 | 2.10 ppb |
| 2017-01-13 | 40144456003-1 | 2.00 ppb |
| 2017-01-13 | 40144456004-1 | 1.90 ppb |
| 2017-01-13 | 40144456001-1 | 1.80 ppb |
| 2017-04-07 | 40147945001-1 | 0.710 ppb |
| 2017-04-07 | 40147945004-1 | 0.840 ppb |
| 2017-04-07 | 40147945003-1 | 0.830 ppb |
| 2017-04-07 | 40147945002-1 | 0.860 ppb |
| 2017-07-06 | 40152801002-1 | 1.30 ppb |
| 2017-07-06 | 40152801003-1 | 1.30 ppb |
| 2017-07-06 | 40152801-001 | 1.30 ppb |
| 2017-07-06 | 40152801004-1 | 1.30 ppb |
| 2017-10-09 | 40158239-001 | 0.790 ppb |
| 2017-10-09 | 40158239-002 | 1.20 ppb |
| 2017-10-09 | 40158239-003 | 1.20 ppb |
| 2017-10-09 | 40158239-004 | 1.20 ppb |
| 2018-01-11 | 40163350003-1 | 1.40 ppb |
| 2018-01-11 | 40163350001-1 | 1.20 ppb |
| 2018-01-11 | 40163350004-1 | 0.910 ppb |
| 2018-01-11 | 40163350002-1 | 1.10 ppb |
| 2018-04-09 | 40167178004-1 | 0.780 ppb |
| 2018-04-09 | 40167178003-1 | 0.990 ppb |
| 2018-04-09 | 40167178001-1 | 0.810 ppb |
| 2018-04-09 | 40167178002-1 | 0.770 ppb |
| 2018-07-12 | 40172360002-1 | 0.900 ppb |
| 2018-07-12 | 40172360003-1 | 0.940 ppb |
| 2018-07-12 | 40172360004-1 | 0.950 ppb |
| 2018-07-12 | 40172360001-1 | 1.000 ppb |
| 2018-10-04 | 40177004003-1 | 0.900 ppb |
| 2018-10-04 | 40177004002-1 | 1.20 ppb |
| 2018-10-04 | 40177004004-1 | 0.860 ppb |
| 2018-10-04 | 40177004001-1 | 1.000 ppb |
| 2019-01-08 | 40181736002-1 | 0.680 ppb |
| 2019-01-08 | 40181736004-1 | 0.940 ppb |
| 2019-01-08 | 40181736001-1 | 0.940 ppb |
| 2019-01-08 | 40181736003-1 | 1.30 ppb |
| 2019-04-09 | 40185480003-1 | 0.630 ppb |
| 2019-04-09 | 40185480001-1 | ND |
| 2019-04-09 | 40185480004-1 | ND |
| 2019-04-09 | 40185480002-1 | ND |
| 2019-07-10 | 40190944004-1 | 1.50 ppb |
| 2019-07-10 | 40190944001-1 | 1.80 ppb |
| 2019-07-10 | 40190944002-1 | 1.80 ppb |
| 2019-07-10 | 40190944003-1 | 1.80 ppb |
| 2019-10-09 | 40196831004-1 | 1.10 ppb |
| 2019-10-09 | 40196831001-1 | 1.30 ppb |
| 2019-10-09 | 40196831002-1 | 1.40 ppb |
| 2019-10-09 | 40196831003-1 | 1.50 ppb |