Tribromoacetic acid
Clay County Public Water Supply District 2
Tribromoacetic 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.
18
Samples
0
Samples exceeding legal limit (MCL)
2
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.487 ppb | 11 | 2 | ND - 2.74 ppb |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 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 0.04 ppb
The EWG Health Guideline of 0.04 ppb for tribromoacetic 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 |
|---|---|---|
| 2014-01-08 | AC16730 | ND |
| 2014-01-08 | AC16731 | ND |
| 2014-01-08 | AC16732 | ND |
| 2014-01-08 | AC16729 | ND |
| 2014-04-16 | AC21636 | 2.74 ppb |
| 2014-04-16 | AC21637 | 2.62 ppb |
| 2014-04-16 | AC21639 | ND |
| 2014-07-24 | AC30662 | ND |
| 2014-07-24 | AC30665 | ND |
| 2014-10-21 | AC37667 | ND |
| 2014-10-21 | AC37668 | ND |
| 2015-01-19 | AC40391 | ND |
| 2015-01-19 | AC40392 | ND |
| 2015-07-20 | AC54295 | ND |
| 2016-07-13 | AC79703 | ND |
| 2017-07-12 | AD01406 | ND |
| 2018-07-17 | AD29183 | ND |
| 2019-07-11 | AD51801 | ND |