Tribromoacetic acid
Harrison County Public Water Supply District 1
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.
28
Samples
0
Samples exceeding legal limit (MCL)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | 0.833 ppb | 4 | 1 | ND - 3.33 ppb |
| 2016 | ND | 8 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-07-29 | AC30700 | ND |
| 2014-07-29 | AC30699 | ND |
| 2015-07-22 | AC54314 | ND |
| 2015-07-22 | AC54315 | ND |
| 2015-10-20 | AC61230 | ND |
| 2015-10-20 | AC61229 | 3.33 ppb |
| 2016-01-26 | AC65037 | ND |
| 2016-01-26 | AC65036 | ND |
| 2016-05-16 | AC69396 | ND |
| 2016-05-16 | AC69395 | ND |
| 2016-07-27 | AC79712 | ND |
| 2016-07-27 | AC79713 | ND |
| 2016-11-07 | AC86303 | ND |
| 2016-11-07 | AC86304 | ND |
| 2017-03-06 | AC91976 | ND |
| 2017-03-06 | AC91977 | ND |
| 2017-07-17 | AD01424 | ND |
| 2017-07-17 | AD01425 | ND |
| 2017-08-28 | AD05856 | ND |
| 2017-08-28 | AD05855 | ND |
| 2017-10-23 | AD07909 | ND |
| 2017-10-23 | AD07910 | ND |
| 2018-02-26 | AD11351 | ND |
| 2018-02-26 | AD11352 | ND |
| 2018-07-24 | AD29200 | ND |
| 2018-07-24 | AD29201 | ND |
| 2019-08-06 | AD51818 | ND |
| 2019-08-06 | AD51819 | ND |