Bromodichloroacetic acid
Wentzville
Bromodichloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.
58
Samples
0
Samples exceeding legal limit (MCL)
46
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 | 2.42 ppb | 16 | 16 | 1.62 ppb - 4.01 ppb |
| 2015 | 1.43 ppb | 10 | 10 | 0.690 ppb - 2.84 ppb |
| 2016 | 0.946 ppb | 8 | 6 | ND - 2.76 ppb |
| 2017 | 0.750 ppb | 8 | 5 | ND - 1.47 ppb |
| 2018 | 0.809 ppb | 8 | 3 | ND - 3.78 ppb |
| 2019 | 0.973 ppb | 8 | 6 | ND - 1.91 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 bromodichloroacetic 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 |
|---|---|---|
| 2014-02-24 | AC18247 | 2.85 ppb |
| 2014-02-24 | AC18246 | 2.25 ppb |
| 2014-02-24 | AC18244 | 3.22 ppb |
| 2014-02-24 | AC18245 | 2.19 ppb |
| 2014-05-29 | AC23252 | 1.70 ppb |
| 2014-05-29 | AC23254 | 1.93 ppb |
| 2014-05-29 | AC23253 | 1.62 ppb |
| 2014-05-29 | AC23255 | 1.83 ppb |
| 2014-09-09 | AC33476 | 1.74 ppb |
| 2014-09-09 | AC33477 | 2.02 ppb |
| 2014-09-09 | AC33478 | 1.90 ppb |
| 2014-09-09 | AC33479 | 1.91 ppb |
| 2014-11-26 | AC38300 | 4.01 ppb |
| 2014-11-26 | AC38301 | 3.92 ppb |
| 2014-11-26 | AC38302 | 1.87 ppb |
| 2014-11-26 | AC38303 | 3.71 ppb |
| 2015-02-24 | AC42028 | 0.830 ppb |
| 2015-02-24 | AC42029 | 0.950 ppb |
| 2015-02-24 | AC42030 | 0.910 ppb |
| 2015-02-24 | AC42027 | 0.690 ppb |
| 2015-05-27 | AC46585 | 1.97 ppb |
| 2015-05-27 | AC46586 | 2.11 ppb |
| 2015-09-01 | AC57568 | 2.36 ppb |
| 2015-09-01 | AC57567 | 2.84 ppb |
| 2015-12-02 | AC62851 | 0.830 ppb |
| 2015-12-02 | AC62852 | 0.820 ppb |
| 2016-03-07 | AC66397 | ND |
| 2016-03-07 | AC66398 | ND |
| 2016-05-31 | AC72092 | 0.690 ppb |
| 2016-05-31 | AC72091 | 0.750 ppb |
| 2016-08-29 | AC81739 | 0.910 ppb |
| 2016-08-29 | AC81738 | 0.800 ppb |
| 2016-11-01 | AC86991 | 1.66 ppb |
| 2016-11-01 | AC86990 | 2.76 ppb |
| 2017-02-23 | AC90840 | 1.47 ppb |
| 2017-02-23 | AC90841 | 1.08 ppb |
| 2017-05-24 | AC95817 | 1.19 ppb |
| 2017-05-24 | AC95818 | 1.04 ppb |
| 2017-09-05 | AD03571 | ND |
| 2017-09-05 | AD03570 | ND |
| 2017-11-27 | AD09530 | 1.22 ppb |
| 2017-12-11 | AD11055 | ND |
| 2018-02-20 | AD14316 | 1.16 ppb |
| 2018-02-20 | AD14317 | ND |
| 2018-05-23 | AD20547 | ND |
| 2018-05-23 | AD20548 | ND |
| 2018-09-05 | AD31360 | ND |
| 2018-09-05 | AD31359 | ND |
| 2018-11-16 | AD35757 | 3.78 ppb |
| 2018-11-16 | AD35758 | 1.53 ppb |
| 2019-02-21 | AD39425 | 1.67 ppb |
| 2019-02-21 | AD39426 | 1.91 ppb |
| 2019-05-21 | AD47503 | 1.12 ppb |
| 2019-05-21 | AD47504 | 1.04 ppb |
| 2019-08-28 | AD54094 | ND |
| 2019-08-28 | AD54095 | 1.000 ppb |
| 2019-11-25 | AD58139 | ND |
| 2019-11-25 | AD58140 | 1.04 ppb |