Dibromoacetic acid
City of Redmond 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.242 ppb | 31 | 8 | ND - 1.20 ppb |
2015 | 0.305 ppb | 32 | 9 | ND - 1.44 ppb |
2016 | 0.301 ppb | 32 | 8 | ND - 1.58 ppb |
2017 | 0.264 ppb | 32 | 7 | ND - 1.48 ppb |
2018 | 0.245 ppb | 32 | 8 | ND - 1.40 ppb |
2019 | 0.167 ppb | 32 | 6 | ND - 1.16 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 | 00364 | ND |
2014-01-08 | 00363 | ND |
2014-01-08 | 00366 | ND |
2014-01-08 | 00365 | ND |
2014-01-08 | 00370 | 1.000 ppb |
2014-01-08 | 00368 | ND |
2014-01-08 | 00367 | 0.800 ppb |
2014-04-09 | 06217 | 0.900 ppb |
2014-04-09 | 06216 | ND |
2014-04-09 | 06218 | ND |
2014-04-09 | 06215 | ND |
2014-04-09 | 06212 | ND |
2014-04-09 | 06211 | ND |
2014-04-09 | 06214 | ND |
2014-04-09 | 06213 | 1.20 ppb |
2014-07-09 | 12233 | 1.10 ppb |
2014-07-09 | 12234 | ND |
2014-07-09 | 12232 | ND |
2014-07-09 | 12238 | ND |
2014-07-09 | 12235 | ND |
2014-07-09 | 12237 | 0.900 ppb |
2014-07-09 | 12236 | ND |
2014-07-09 | 12231 | ND |
2014-10-08 | 18870 | ND |
2014-10-08 | 18867 | ND |
2014-10-08 | 18872 | ND |
2014-10-08 | 18869 | 0.700 ppb |
2014-10-08 | 18868 | ND |
2014-10-08 | 18874 | ND |
2014-10-08 | 18871 | ND |
2014-10-08 | 18873 | 0.900 ppb |
2015-01-07 | 15208 | ND |
2015-01-07 | 15207 | 1.08 ppb |
2015-01-07 | 15203 | 1.08 ppb |
2015-01-07 | 15202 | ND |
2015-01-07 | 15206 | ND |
2015-01-07 | 15201 | ND |
2015-01-07 | 15204 | ND |
2015-01-07 | 15205 | ND |
2015-04-08 | 88707 | 1.20 ppb |
2015-04-08 | 88708 | ND |
2015-04-08 | 88706 | ND |
2015-04-08 | 88705 | ND |
2015-04-08 | 88704 | ND |
2015-04-08 | 88703 | 1.44 ppb |
2015-04-08 | 88701 | ND |
2015-04-08 | 88702 | ND |
2015-07-08 | 37607 | 1.04 ppb |
2015-07-08 | 37608 | ND |
2015-07-08 | 37606 | ND |
2015-07-08 | 37605 | ND |
2015-07-08 | 37604 | ND |
2015-07-08 | 37603 | 0.992 ppb |
2015-07-08 | 37601 | ND |
2015-07-08 | 37602 | ND |
2015-10-07 | 18907 | 0.987 ppb |
2015-10-07 | 18908 | ND |
2015-10-07 | 18906 | 0.506 ppb |
2015-10-07 | 18905 | ND |
2015-10-07 | 18904 | ND |
2015-10-07 | 18903 | 1.44 ppb |
2015-10-07 | 18901 | ND |
2015-10-07 | 18902 | ND |
2016-01-06 | ND | |
2016-01-06 | ND | |
2016-01-06 | ND | |
2016-01-06 | ND | |
2016-01-06 | 1.46 ppb | |
2016-01-06 | 1.31 ppb | |
2016-01-06 | ND | |
2016-01-06 | ND | |
2016-04-08 | ND | |
2016-04-08 | ND | |
2016-04-08 | 1.21 ppb | |
2016-04-08 | ND | |
2016-04-08 | ND | |
2016-04-08 | 1.58 ppb | |
2016-04-08 | ND | |
2016-04-08 | ND | |
2016-07-06 | 1.26 ppb | |
2016-07-06 | ND | |
2016-07-06 | 0.891 ppb | |
2016-07-06 | ND | |
2016-07-06 | ND | |
2016-07-06 | ND | |
2016-07-06 | ND | |
2016-07-06 | ND | |
2016-10-04 | ND | |
2016-10-04 | ND | |
2016-10-04 | 0.828 ppb | |
2016-10-04 | ND | |
2016-10-04 | ND | |
2016-10-04 | 1.08 ppb | |
2016-10-04 | ND | |
2016-10-04 | ND | |
2017-01-11 | ND | |
2017-01-11 | ND | |
2017-01-11 | 1.29 ppb | |
2017-01-11 | ND | |
2017-01-11 | ND | |
2017-01-11 | ND | |
2017-01-11 | ND | |
2017-01-11 | ND | |
2017-04-11 | ND | |
2017-04-11 | ND | |
2017-04-11 | ND | |
2017-04-11 | ND | |
2017-04-11 | 1.48 ppb | |
2017-04-11 | 1.29 ppb | |
2017-04-11 | ND | |
2017-04-11 | ND | |
2017-07-05 | 0.762 ppb | |
2017-07-05 | ND | |
2017-07-05 | ND | |
2017-07-05 | ND | |
2017-07-05 | ND | |
2017-07-05 | ND | |
2017-07-05 | ND | |
2017-07-05 | 1.20 ppb | |
2017-10-11 | ND | |
2017-10-11 | ND | |
2017-10-11 | ND | |
2017-10-11 | ND | |
2017-10-11 | ND | |
2017-10-11 | ND | |
2017-10-11 | 1.20 ppb | |
2017-10-11 | 1.24 ppb | |
2018-01-10 | ND | |
2018-01-10 | ND | |
2018-01-10 | 1.40 ppb | |
2018-01-10 | ND | |
2018-01-10 | ND | |
2018-01-10 | ND | |
2018-01-10 | ND | |
2018-01-10 | 0.889 ppb | |
2018-04-04 | ND | |
2018-04-04 | ND | |
2018-04-04 | 1.03 ppb | |
2018-04-04 | ND | |
2018-04-04 | ND | |
2018-04-04 | ND | |
2018-04-04 | ND | |
2018-04-04 | 0.611 ppb | |
2018-07-03 | ND | |
2018-07-03 | ND | |
2018-07-03 | 1.38 ppb | |
2018-07-03 | ND | |
2018-07-03 | ND | |
2018-07-03 | ND | |
2018-07-03 | ND | |
2018-07-03 | 0.801 ppb | |
2018-10-03 | ND | |
2018-10-03 | ND | |
2018-10-03 | 1.11 ppb | |
2018-10-03 | ND | |
2018-10-03 | ND | |
2018-10-03 | ND | |
2018-10-03 | ND | |
2018-10-03 | 0.612 ppb | |
2019-01-09 | ND | |
2019-01-09 | ND | |
2019-01-09 | 1.09 ppb | |
2019-01-09 | ND | |
2019-01-09 | ND | |
2019-01-09 | ND | |
2019-01-09 | ND | |
2019-01-09 | 0.576 ppb | |
2019-04-03 | ND | |
2019-04-03 | ND | |
2019-04-03 | 1.16 ppb | |
2019-04-03 | ND | |
2019-04-03 | ND | |
2019-04-03 | ND | |
2019-04-03 | ND | |
2019-04-03 | 0.845 ppb | |
2019-07-01 | ND | |
2019-07-01 | ND | |
2019-07-01 | 1.03 ppb | |
2019-07-01 | ND | |
2019-07-01 | ND | |
2019-07-01 | ND | |
2019-07-01 | ND | |
2019-07-01 | 0.658 ppb | |
2019-10-02 | ND | |
2019-10-02 | ND | |
2019-10-02 | ND | |
2019-10-02 | ND | |
2019-10-02 | ND | |
2019-10-02 | ND | |
2019-10-02 | ND | |
2019-10-02 | ND |