Chlorodibromoacetic acid
Jefferson County PWSD 3
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.
58
Samples
0
Samples exceeding legal limit (MCL)
5
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 | 0.205 ppb | 16 | 1 | ND - 3.28 ppb |
| 2015 | 0.416 ppb | 10 | 2 | ND - 2.15 ppb |
| 2016 | 0.250 ppb | 8 | 1 | ND - 2.00 ppb |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | 0.133 ppb | 8 | 1 | ND - 1.06 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 |
|---|---|---|
| 2014-02-25 | AC18256 | ND |
| 2014-02-25 | AC18257 | ND |
| 2014-02-25 | AC18258 | ND |
| 2014-02-26 | AC18259 | ND |
| 2014-06-02 | AC28378 | ND |
| 2014-06-02 | AC28379 | ND |
| 2014-06-02 | AC28380 | ND |
| 2014-06-02 | AC28377 | ND |
| 2014-09-15 | AC33488 | ND |
| 2014-09-15 | AC33489 | ND |
| 2014-09-15 | AC33490 | ND |
| 2014-09-15 | AC33491 | 3.28 ppb |
| 2014-12-03 | AC38312 | ND |
| 2014-12-03 | AC38313 | ND |
| 2014-12-03 | AC38314 | ND |
| 2014-12-03 | AC38315 | ND |
| 2015-02-25 | AC42041 | 2.15 ppb |
| 2015-02-25 | AC42042 | ND |
| 2015-02-25 | AC42039 | 2.01 ppb |
| 2015-02-25 | AC42040 | ND |
| 2015-06-01 | AC46594 | ND |
| 2015-06-01 | AC46593 | ND |
| 2015-09-01 | AC57576 | ND |
| 2015-09-01 | AC57575 | ND |
| 2015-12-09 | AC62859 | ND |
| 2015-12-09 | AC62860 | ND |
| 2016-03-01 | AC66405 | ND |
| 2016-03-01 | AC66406 | 2.00 ppb |
| 2016-06-06 | AC72099 | ND |
| 2016-06-06 | AC72100 | ND |
| 2016-08-29 | AC81751 | ND |
| 2016-08-29 | AC81750 | ND |
| 2016-11-02 | AC86999 | ND |
| 2016-11-02 | AC86998 | ND |
| 2017-02-27 | AC90848 | ND |
| 2017-02-27 | AC90849 | ND |
| 2017-05-31 | AC95825 | ND |
| 2017-05-31 | AC95826 | ND |
| 2017-08-31 | AD03578 | ND |
| 2017-08-31 | AD03579 | ND |
| 2017-11-27 | AD09538 | ND |
| 2017-11-27 | AD09539 | ND |
| 2018-02-21 | AD14324 | ND |
| 2018-02-21 | AD14325 | ND |
| 2018-06-04 | AD20553 | ND |
| 2018-06-04 | AD20554 | ND |
| 2018-09-05 | AD31365 | ND |
| 2018-09-05 | AD31366 | ND |
| 2018-11-20 | AD35763 | ND |
| 2018-11-20 | AD35764 | ND |
| 2019-02-26 | AD39431 | ND |
| 2019-02-26 | AD39432 | ND |
| 2019-05-22 | AD47510 | 1.06 ppb |
| 2019-05-22 | AD47509 | ND |
| 2019-09-03 | AD54102 | ND |
| 2019-09-03 | AD54103 | ND |
| 2019-11-26 | AD58145 | ND |
| 2019-11-26 | AD58146 | ND |