Chlorodibromoacetic acid
Clay County Public Water Supply District 4
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.
23
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 |
|---|---|---|---|---|
| 2014 | 5.21 ppb | 4 | 4 | 3.02 ppb - 7.36 ppb |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 8 | 0 | ND |
| 2017 | 1.13 ppb | 1 | 1 | 1.13 ppb |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
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 |
|---|---|---|
| 2014-07-31 | AC30669 | 3.02 ppb |
| 2014-07-31 | AC30668 | 3.43 ppb |
| 2014-10-22 | AC37671 | 7.03 ppb |
| 2014-10-22 | AC37672 | 7.36 ppb |
| 2015-01-26 | AC40395 | ND |
| 2015-01-26 | AC40396 | ND |
| 2015-04-22 | AC45055 | ND |
| 2015-04-22 | AC45056 | ND |
| 2015-07-19 | AC54299 | ND |
| 2015-07-20 | AC54298 | ND |
| 2015-10-15 | AC61219 | ND |
| 2015-10-19 | AC61218 | ND |
| 2016-01-13 | AC65026 | ND |
| 2016-01-13 | AC65025 | ND |
| 2016-04-20 | AC69384 | ND |
| 2016-04-20 | AC69385 | ND |
| 2016-07-14 | AC79705 | ND |
| 2016-07-14 | AC79704 | ND |
| 2016-10-19 | AC86292 | ND |
| 2016-10-19 | AC86293 | ND |
| 2017-07-17 | AD01409 | 1.13 ppb |
| 2018-07-24 | AD30629 | ND |
| 2019-07-15 | AD51804 | ND |