Bromodichloroacetic acid
Jefferson County PWSD 10
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.
46
Samples
0
Samples exceeding legal limit (MCL)
26
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2012 | 1.52 ppb | 6 | 6 | 0.630 ppb - 3.21 ppb |
| 2013 | 0.319 ppb | 8 | 3 | ND - 0.930 ppb |
| 2014 | 1.56 ppb | 8 | 8 | 1.10 ppb - 2.09 ppb |
| 2015 | 1.00 ppb | 8 | 7 | ND - 1.96 ppb |
| 2016 | ND | 8 | 0 | ND |
| 2017 | 0.160 ppb | 8 | 2 | ND - 0.660 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 |
|---|---|---|
| 2012-05-21 | AB70823 | 0.710 ppb |
| 2012-05-21 | AB70824 | 0.810 ppb |
| 2012-08-14 | AB81216 | 2.81 ppb |
| 2012-08-14 | AB81217 | 3.21 ppb |
| 2012-11-27 | AB86374 | 0.920 ppb |
| 2012-11-27 | AB86373 | 0.630 ppb |
| 2013-02-19 | AB92101 | ND |
| 2013-02-19 | AB92102 | ND |
| 2013-05-17 | AB96660 | 0.860 ppb |
| 2013-05-17 | AB96661 | 0.930 ppb |
| 2013-08-12 | AC07356 | ND |
| 2013-08-12 | AC07355 | ND |
| 2013-11-21 | AC14234 | ND |
| 2013-11-21 | AC14235 | 0.760 ppb |
| 2014-02-20 | AC18264 | 1.93 ppb |
| 2014-02-20 | AC18265 | 1.10 ppb |
| 2014-05-28 | AC23273 | 1.56 ppb |
| 2014-05-28 | AC23272 | 1.34 ppb |
| 2014-09-10 | AC33496 | 1.78 ppb |
| 2014-09-10 | AC33497 | 2.09 ppb |
| 2014-12-01 | AC38320 | 1.33 ppb |
| 2014-12-01 | AC38321 | 1.35 ppb |
| 2015-02-23 | AC42047 | 0.640 ppb |
| 2015-02-23 | AC42048 | 0.650 ppb |
| 2015-06-03 | AC52037 | 1.82 ppb |
| 2015-06-03 | AC52038 | 1.96 ppb |
| 2015-09-17 | AC60599 | ND |
| 2015-09-17 | AC60600 | 1.37 ppb |
| 2015-11-30 | AC62866 | 0.800 ppb |
| 2015-11-30 | AC62865 | 0.790 ppb |
| 2016-02-29 | AC66411 | ND |
| 2016-02-29 | AC66412 | ND |
| 2016-06-03 | AC75869 | ND |
| 2016-06-03 | AC75870 | ND |
| 2016-08-29 | AC81756 | ND |
| 2016-08-29 | AC81757 | ND |
| 2016-10-31 | AC87004 | ND |
| 2016-10-31 | AC87005 | ND |
| 2017-02-22 | AC90855 | 0.620 ppb |
| 2017-02-22 | AC90854 | 0.660 ppb |
| 2017-05-23 | AC95832 | ND |
| 2017-05-23 | AC95831 | ND |
| 2017-09-05 | AD03584 | ND |
| 2017-09-05 | AD03585 | ND |
| 2017-11-27 | AD09544 | ND |
| 2017-11-27 | AD09545 | ND |