Chlorodibromoacetic acid
Bates County Public Water Supply District 5
Chlorodibromoacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.
48
Samples
0
Samples exceeding legal limit (MCL)
28
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 1.70 ppb | 8 | 3 | ND - 5.97 ppb |
| 2015 | 4.31 ppb | 8 | 2 | ND - 19.0 ppb |
| 2016 | 1.81 ppb | 8 | 6 | ND - 4.04 ppb |
| 2017 | 0.575 ppb | 8 | 2 | ND - 2.38 ppb |
| 2018 | 2.30 ppb | 8 | 7 | ND - 2.92 ppb |
| 2019 | 2.15 ppb | 8 | 8 | 1.22 ppb - 3.19 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.02 ppb
The EWG Health Guideline of 0.02 ppb for chlorodibromoacetic 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 |
|---|---|---|
| 2014-01-09 | AC16706 | ND |
| 2014-01-09 | AC16705 | 5.97 ppb |
| 2014-04-15 | AC21612 | ND |
| 2014-04-15 | AC21613 | ND |
| 2014-07-24 | AC30636 | 3.31 ppb |
| 2014-07-24 | AC30637 | 4.32 ppb |
| 2014-10-20 | AC37653 | ND |
| 2014-10-20 | AC37654 | ND |
| 2015-01-19 | AC40378 | ND |
| 2015-01-19 | AC40377 | ND |
| 2015-04-22 | AC45047 | ND |
| 2015-04-22 | AC45048 | ND |
| 2015-07-20 | AC54282 | ND |
| 2015-07-20 | AC54283 | ND |
| 2015-10-20 | AC61210 | 19.0 ppb |
| 2015-10-20 | AC61209 | 15.5 ppb |
| 2016-01-13 | AC65017 | 2.00 ppb |
| 2016-01-13 | AC65016 | 1.93 ppb |
| 2016-04-19 | AC69375 | 4.04 ppb |
| 2016-04-19 | AC69376 | 3.62 ppb |
| 2016-09-08 | AC83803 | 1.38 ppb |
| 2016-09-08 | AC83802 | 1.51 ppb |
| 2016-10-20 | AC86283 | ND |
| 2016-10-20 | AC86284 | ND |
| 2017-01-23 | AC89094 | 2.38 ppb |
| 2017-01-23 | AC89095 | 2.22 ppb |
| 2017-04-19 | AC94456 | ND |
| 2017-04-20 | AC94457 | ND |
| 2017-07-11 | AD01394 | ND |
| 2017-07-11 | AD01393 | ND |
| 2017-10-17 | AD07893 | ND |
| 2017-10-17 | AD07892 | ND |
| 2018-01-23 | AD11334 | 2.92 ppb |
| 2018-01-23 | AD11335 | 2.68 ppb |
| 2018-04-17 | AD18008 | 2.49 ppb |
| 2018-04-17 | AD18007 | ND |
| 2018-07-24 | AD29171 | 2.46 ppb |
| 2018-07-24 | AD29172 | 2.90 ppb |
| 2018-10-23 | AD34409 | 2.74 ppb |
| 2018-10-23 | AD34408 | 2.20 ppb |
| 2019-01-23 | AD37717 | 1.89 ppb |
| 2019-01-23 | AD37718 | 1.87 ppb |
| 2019-04-16 | AD46137 | 2.46 ppb |
| 2019-04-16 | AD46138 | 2.42 ppb |
| 2019-07-24 | AD51789 | 2.75 ppb |
| 2019-07-24 | AD51790 | 3.19 ppb |
| 2019-10-16 | AD56722 | 1.36 ppb |
| 2019-10-16 | AD56723 | 1.22 ppb |