Dibromoacetic acid
City of Evanston
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 0.122 ppb | 12 | 4 | ND - 0.400 ppb |
2015 | ND | 8 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | 0.557 ppb | 12 | 12 | 0.350 ppb - 0.790 ppb |
2018 | 0.579 ppb | 16 | 11 | ND - 1.60 ppb |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-06-02 | C14060130-004B | 0.340 ppb |
2014-06-02 | C14060130-003B | 0.360 ppb |
2014-06-02 | C14060130-001B | 0.360 ppb |
2014-06-02 | C14060130-002B | 0.400 ppb |
2014-09-03 | C14090231-001B | ND |
2014-09-03 | C14090231-002B | ND |
2014-09-03 | C14090231-003B | ND |
2014-09-03 | C14090231-004B | ND |
2014-12-01 | C14120136-002B | ND |
2014-12-01 | C14120136-001B | ND |
2014-12-01 | C14120136-004B | ND |
2014-12-01 | C14120136-003B | ND |
2015-03-04 | C15030180-004B | ND |
2015-03-04 | C15030180-003B | ND |
2015-03-04 | C15030180-002B | ND |
2015-03-04 | C15030180-001B | ND |
2015-06-02 | C15060185-002B | ND |
2015-06-02 | C15060185-004B | ND |
2015-06-02 | C15060185-003B | ND |
2015-06-02 | C15060185-001B | ND |
2017-03-07 | C17030344-004B | 0.580 ppb |
2017-03-07 | C17030344-003B | 0.670 ppb |
2017-03-07 | C17030344-002B | 0.620 ppb |
2017-03-07 | C17030344-001B | 0.640 ppb |
2017-09-07 | C17090448-001B | 0.710 ppb |
2017-09-07 | C17090448-004B | 0.480 ppb |
2017-09-07 | C17090448-002B | 0.540 ppb |
2017-09-07 | C17090448-003B | 0.790 ppb |
2017-12-05 | C17120250-004B | 0.440 ppb |
2017-12-05 | C17120250-003B | 0.470 ppb |
2017-12-05 | C17120250-002B | 0.350 ppb |
2017-12-05 | C17120250-001B | 0.390 ppb |
2018-03-12 | C18030476-001B | ND |
2018-03-12 | C18030476-004B | ND |
2018-03-12 | C18030476-003B | ND |
2018-03-12 | C18030476-002B | ND |
2018-06-14 | C18060781-004B | 1.60 ppb |
2018-06-14 | C18060781-003B | 1.50 ppb |
2018-06-15 | C18060781-001B | 1.30 ppb |
2018-06-15 | C18060781-002B | 1.30 ppb |
2018-09-19 | C18090715-003B | 0.610 ppb |
2018-09-19 | C18090715-002B | ND |
2018-09-19 | C18090715-001B | 0.620 ppb |
2018-09-19 | C18090715-004B | 0.900 ppb |
2018-12-10 | C18120390-003B | 0.370 ppb |
2018-12-11 | C18120390-002B | 0.310 ppb |
2018-12-11 | C18120390-004B | 0.380 ppb |
2018-12-11 | C18120390-001B | 0.370 ppb |