Tribromoacetic acid
Status: No national drinking water standard exists
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.
Health concerns for tribromoacetic acid
Change to fetal growth and development
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
States reporting tribromoacetic acid in drinking water
UTILITIES REPORTING ABOVE HEALTH GUIDELINES | UTILITIES WITH CONTAMINATION | ||||||
---|---|---|---|---|---|---|---|
State | Utilities | People Served | Utilities | People Served | |||
Missouri | 46 | 146,543 | 46 | 146,543 |
Filtering technologies that reduce tribromoacetic acid
Activated Carbon
Reverse Osmosis
Utilities with the highest amounts of tribromoacetic acid, 2017-2019
Utility | Location | Tests | Average level | People served |
---|---|---|---|---|
Emerald View Park | Billings, MT | 1 of 1 | 19.2 ppb | 320 |
Platte City PWS | Platte City, MO | 1 of 36 | 3.08 ppb | 4,892 |
New Franklin PWS | New Franklin, MO | 18 of 49 | 2.10 ppb | 1,089 |
Essex PWS | Essex, MO | 1 of 4 | 1.60 ppb | 474 |
Howard County Cons Public Water Supply District 1 | New Franklin, MO | 13 of 33 | 1.30 ppb | 2,100 |
Annapolis PWS | Annapolis, MO | 1 of 2 | 1.25 ppb | 310 |
Paradise Landing Kimberling Shores | Springfield, MO | 1 of 2 | 1.25 ppb | 33 |
Stoddard County Public Water Supply District 1* | Dexter, MO | 2 of 6 | 1.23 ppb | 4,500 |
Stoddard County Public Water Supply District 4 | Dexter, MO | 1 of 7 | 1.17 ppb | 1,526 |
Hawk Point PWS | Hawk Point, MO | 2 of 6 | 1.16 ppb | 669 |
Cardwell PWS | Cardwell, MO | 2 of 4 | 1.15 ppb | 713 |
Audrain County Public Water Supply District 1 | Mexico, MO | 2 of 7 | 1.10 ppb | 1,455 |
Urbana PWS | Urbana, MO | 1 of 2 | 1.10 ppb | 409 |
Gasconade PWS | Gasconade, MO | 1 of 2 | 1.000 ppb | 280 |
Scott City PWS | Scott City, MO | 1 of 6 | 0.955 ppb | 4,565 |
Taney County Public Water Supply District 3 | Branson, MO | 1 of 5 | 0.926 ppb | 6,000 |
Meadville PWS | Meadville, MO | 2 of 16 | 0.874 ppb | 450 |
Elsberry PWS | Elsberry, MO | 1 of 6 | 0.870 ppb | 1,963 |
Jackson County Public Water Supply District 17 | Grain Valley, MO | 1 of 7 | 0.830 ppb | 2,330 |
Gentry County Public Water Supply District 1* | Albany, MO | 1 of 20 | 0.810 ppb | 2,000 |
Albany PWS* | Albany, MO | 1 of 20 | 0.810 ppb | 1,650 |
McDonald County Public Water Supply District 1 | Jane, MO | 1 of 6 | 0.782 ppb | 2,481 |
Clevenger Branch Members Corporation | Hollister, MO | 2 of 6 | 0.768 ppb | 150 |
Fayette PWS | Fayette, MO | 10 of 50 | 0.731 ppb | 2,800 |
Public Water Supply District 2 of Stone County 265 | Branson, MO | 1 of 6 | 0.718 ppb | 1,000 |
Blackwater PWS | Blackwater, MO | 5 of 23 | 0.704 ppb | 205 |
Jefferson County Cons. PWSD C 1* | Barnhart, MO | 2 of 16 | 0.690 ppb | 35,000 |
Kirkwood | Kirkwood, MO | 2 of 16 | 0.690 ppb | 28,000 |
Jefferson County PWSD 10 | Arnonld, MO | 2 of 16 | 0.690 ppb | 10,000 |
Jefferson County PWSD 3* | Arnold, MO | 2 of 16 | 0.690 ppb | 17,000 |
Jefferson County PWSD1* | Arnold, MO | 2 of 16 | 0.690 ppb | 20,000 |
Terrisan | Bridgeton, MO | 2 of 16 | 0.690 ppb | 240 |
Missouri American St. Louis County & St. Charles County* | Chesterfield, MO | 2 of 16 | 0.690 ppb | 1,100,000 |
Stoddard County Public Water Supply District 5 | Bloomfield, MO | 1 of 6 | 0.685 ppb | 750 |
Montgomery City PWS* | Montgomery City, MO | 1 of 6 | 0.663 ppb | 2,712 |
Montgomery County Public Water Supply District 1 Montgomery City | Warrenton, MO | 1 of 6 | 0.663 ppb | 20 |
Liberal PWS | Liberal, MO | 1 of 6 | 0.635 ppb | 759 |
Livingston County Public Water Supply District 3 East* | Chillicothe, MO | 6 of 38 | 0.613 ppb | 2,087 |
Chillicothe Municipal Utilities PWS* | Chillicothe, MO | 1 of 6 | 0.608 ppb | 9,515 |
Wellington PWS | Wellington, MO | 1 of 7 | 0.599 ppb | 812 |
Lincoln County Public Water Supply District 2 | Troy, MO | 1 of 6 | 0.587 ppb | 1,306 |
Ellington PWS | Ellington, MO | 1 of 6 | 0.583 ppb | 986 |
Liberty* | Liberty, MO | 4 of 58 | 0.580 ppb | 31,507 |
Clay County Public Water Supply District 4* | Liberty, MO | 4 of 58 | 0.580 ppb | 970 |
Warrenton PWS | Warrenton, MO | 1 of 6 | 0.578 ppb | 8,208 |
Howard County Regional Water Comm.* | New Franklin, MO | 4 of 24 | 0.574 ppb | 25 |
Winfield PWS | Winfield, MO | 1 of 7 | 0.557 ppb | 1,700 |
Palmyra PWS* | Palmyra, MO | 2 of 22 | 0.556 ppb | 3,595 |
Dexter PWS | Dexter, MO | 1 of 6 | 0.548 ppb | 7,800 |
Audrain County Public Water Supply District 2 | Mexico, MO | 1 of 7 | 0.540 ppb | 2,260 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Tribromoacetic acid, but it likely has the contaminant in its water supply.
Utility | Location | Tests | Average level | People served |
---|---|---|---|---|
Jefferson County PWSD 10 | Arnonld, MO | 2 of 16 | 0.690 ppb | 10,000 |
Jefferson County Cons. PWSD C 1* | Barnhart, MO | 2 of 16 | 0.690 ppb | 35,000 |
Jefferson County PWSD 3* | Arnold, MO | 2 of 16 | 0.690 ppb | 17,000 |
Jefferson County PWSD1* | Arnold, MO | 2 of 16 | 0.690 ppb | 20,000 |
Missouri American St. Louis County & St. Charles County* | Chesterfield, MO | 2 of 16 | 0.690 ppb | 1,100,000 |
Kirkwood | Kirkwood, MO | 2 of 16 | 0.690 ppb | 28,000 |
Liberty* | Liberty, MO | 4 of 58 | 0.580 ppb | 31,507 |
Eureka | Eureka, MO | 1 of 11 | 0.383 ppb | 10,574 |
Cape Girardeau | Cape Girardeau, MO | 2 of 30 | 0.313 ppb | 39,628 |
Kennett | Kennett, MO | 1 of 12 | 0.253 ppb | 11,500 |
Sedalia* | Sedalia, MO | 3 of 40 | 0.232 ppb | 22,000 |
Marshall* | Marshall, MO | 5 of 96 | 0.226 ppb | 13,065 |
Lincoln County PWSD 1* | Winfield, MO | 1 of 12 | 0.160 ppb | 11,000 |
Thomas Hill PWSD 1* | Moberly, MO | 2 of 48 | 0.134 ppb | 10,315 |
Maryville* | Maryville, MO | 3 of 96 | 0.120 ppb | 11,972 |
Columbia* | Columbia, MO | 4 of 144 | 0.113 ppb | 100,733 |
St. Charles | St Charles, MO | 4 of 96 | 0.0961 ppb | 73,040 |
Gladstone | Kansas City, MO | 2 of 96 | 0.0854 ppb | 27,000 |
Macon County PWSD 1* | Macon, MO | 1 of 97 | 0.0814 ppb | 11,606 |
Raymore | Raymore, MO | 1 of 58 | 0.0812 ppb | 21,167 |
Festus | Festus, MO | 1 of 48 | 0.0558 ppb | 11,600 |
Independence* | Independence, MO | 2 of 102 | 0.0479 ppb | 117,240 |
Excelsior Springs* | Excelsior Springs, MO | 2 of 96 | 0.0427 ppb | 11,084 |
Wentzville | Wentzville, MO | 1 of 58 | 0.0360 ppb | 38,300 |
Jackson County PWSD1 | Grandview, MO | 1 of 56 | 0.0354 ppb | 25,000 |
Raytown Water Company | Raytown, MO | 1 of 58 | 0.0347 ppb | 21,135 |
Hannibal | Hannibal, MO | 1 of 96 | 0.0300 ppb | 17,916 |
Lees Summit | Lees Summit, MO | 1 of 100 | 0.0215 ppb | 97,135 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Tribromoacetic acid, but it likely has the contaminant in its water supply.