Dibromoacetic acid
Sun Prairie Utilities
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.
12
Samples
0
Samples exceeding legal limit (MCL)
11
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | 0.355 ppb | 2 | 2 | 0.350 ppb - 0.360 ppb |
| 2015 | 0.450 ppb | 2 | 2 | 0.400 ppb - 0.500 ppb |
| 2016 | 0.480 ppb | 2 | 2 | 0.460 ppb - 0.500 ppb |
| 2017 | 0.430 ppb | 2 | 1 | ND - 0.860 ppb |
| 2018 | 0.345 ppb | 2 | 2 | 0.200 ppb - 0.490 ppb |
| 2019 | 0.300 ppb | 2 | 2 | 0.210 ppb - 0.390 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 |
|---|---|---|
| 2014-08-19 | 811533 | 0.350 ppb |
| 2014-08-19 | 811532 | 0.360 ppb |
| 2015-09-09 | 881827 | 0.400 ppb |
| 2015-09-09 | 881829 | 0.500 ppb |
| 2016-08-09 | 938126 | 0.460 ppb |
| 2016-08-09 | 938125 | 0.500 ppb |
| 2017-07-11 | 1003144 | ND |
| 2017-07-17 | 1004248 | 0.860 ppb |
| 2018-08-29 | 1077042 | 0.200 ppb |
| 2018-08-29 | 1077041 | 0.490 ppb |
| 2019-07-23 | 1136404 | 0.210 ppb |
| 2019-07-23 | 1136403 | 0.390 ppb |