Chlorodibromoacetic acid
Status: No national drinking water standard exists
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.
2017-2019:
FOUND
FOUND ABOVE HEALTH GUIDELINES
3
states detected
333
utilities detected
2.5 million
people served
3
states over health guideline
333
utilities over health guideline
2.5 million
people served over health guideline
Health concerns for chlorodibromoacetic acid
Cancer
Harm to reproduction and child development
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
States reporting chlorodibromoacetic acid in drinking water
| UTILITIES REPORTING ABOVE HEALTH GUIDELINES | UTILITIES WITH CONTAMINATION | ||||||
|---|---|---|---|---|---|---|---|
| State | Utilities | People Served | Utilities | People Served | |||
| Missouri | 324 | 2,181,311 | 324 | 2,181,311 | |||
| California | 3 | 186,089 | 3 | 186,089 | |||
| New York | 6 | 102,925 | 6 | 102,925 | |||
MORE
LESS
Filtering technologies that reduce chlorodibromoacetic acid
Activated Carbon
Reverse Osmosis
Utilities with the highest amounts of chlorodibromoacetic acid, 2017-2019
ALL UTILITIES
LARGE UTILITIES
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Jameson | Jameson, MO | 5 of 6 | 6.66 ppb | 121 |
| Sweet Springs PWS* | Sweet Springs, MO | 37 of 51 | 6.23 ppb | 1,428 |
| Waverly PWS* | Waverly, MO | 35 of 46 | 6.07 ppb | 800 |
| Nelson PWS | Nelson, MO | 22 of 27 | 5.84 ppb | 189 |
| Blackwater PWS | Blackwater, MO | 20 of 23 | 5.41 ppb | 205 |
| Marshall* | Marshall, MO | 78 of 96 | 5.37 ppb | 13,065 |
| Miami PWS | Miami, MO | 19 of 26 | 4.58 ppb | 140 |
| Big Lake Village of | Craig, MO | 19 of 22 | 4.54 ppb | 1,100 |
| Saline County Public Water Supply District 1 | Marshall, MO | 15 of 23 | 4.51 ppb | 480 |
| Saline County Public Water Supply District 3* | Marshall, MO | 29 of 45 | 4.40 ppb | 2,673 |
| Malta Bend PWS | Malta Bend, MO | 18 of 26 | 4.26 ppb | 200 |
| Caps Cove Subd | Branson, MO | 2 of 2 | 4.25 ppb | 30 |
| Butler County Public Water Supply District 104 | Fisk, MO | 24 of 26 | 3.99 ppb | 498 |
| Rosendale PWS | Rosendale, MO | 21 of 26 | 3.57 ppb | 82 |
| Platte City PWS | Platte City, MO | 9 of 36 | 3.54 ppb | 4,892 |
| Caldwell County Public Water Supply District 1 | Cowgill, MO | 8 of 13 | 3.54 ppb | 335 |
| New Franklin PWS | New Franklin, MO | 29 of 49 | 3.42 ppb | 1,089 |
| Chaffee PWS | Chaffee, MO | 2 of 5 | 3.27 ppb | 3,000 |
| Bolckow PWS* | Bolckow, MO | 2 of 2 | 3.22 ppb | 187 |
| Twin Lakes Mobile Home Park | Excelsior Springs, MO | 1 of 1 | 3.22 ppb | 39 |
| Andrew County Public Water Supply District 3* | Fillmore, MO | 26 of 40 | 3.18 ppb | 1,113 |
| Gentry County Public Water Supply District 1* | Albany, MO | 26 of 37 | 3.16 ppb | 2,000 |
| New Hampton PWS | New Hampton, MO | 17 of 22 | 3.08 ppb | 283 |
| Kingston PWS* | Kingston, MO | 2 of 2 | 2.97 ppb | 283 |
| Sainte Genevieve | Ste Genevieve, MO | 16 of 33 | 2.85 ppb | 4,450 |
| Adrian PWS* | Adrian, MO | 13 of 22 | 2.85 ppb | 1,635 |
| Howard County Cons Public Water Supply District 1 | New Franklin, MO | 24 of 33 | 2.81 ppb | 2,100 |
| Livingston County Public Water Supply District 1 | Dawn, MO | 6 of 12 | 2.75 ppb | 1,320 |
| Bronaugh PWS | Bronaugh, MO | 1 of 2 | 2.62 ppb | 245 |
| Livingston County Public Water Supply District 3 East* | Chillicothe, MO | 26 of 38 | 2.54 ppb | 2,087 |
| Dewitt PWS | De Witt, MO | 14 of 22 | 2.50 ppb | 125 |
| Gilliam PWS | Gilliam, MO | 7 of 15 | 2.48 ppb | 125 |
| Holt County Public Water Supply District 1 | Oregon, MO | 26 of 40 | 2.48 ppb | 1,020 |
| Harrison County Public Water Supply District 1 | Eagleville, MO | 14 of 28 | 2.48 ppb | 823 |
| Chillicothe Municipal Utilities PWS* | Chillicothe, MO | 5 of 6 | 2.47 ppb | 9,515 |
| Fillmore PWS | Fillmore, MO | 12 of 18 | 2.45 ppb | 187 |
| Breckenridge PWS | Breckenridge, MO | 13 of 20 | 2.43 ppb | 333 |
| Salisbury PWS | Salisbury, MO | 19 of 38 | 2.38 ppb | 1,620 |
| Daviess County Public Water Supply District 2* | Gallatin, MO | 25 of 42 | 2.36 ppb | 2,448 |
| Bogard PWS | Bogard, MO | 15 of 19 | 2.32 ppb | 260 |
| Fisk PWS* | Fisk, MO | 3 of 8 | 2.29 ppb | 350 |
| Scott City PWS | Scott City, MO | 3 of 6 | 2.24 ppb | 4,565 |
| Linn County Cons Public Water Supply District 1 | Purdin, MO | 28 of 48 | 2.22 ppb | 1,620 |
| Harrison County Public Water Supply District 2* | Bethany, MO | 13 of 20 | 2.20 ppb | 3,740 |
| Keytesville PWS* | Keytesville, MO | 13 of 16 | 2.19 ppb | 476 |
| McDonald County Public Water Supply District 2 | Rocky Comfort, MO | 1 of 5 | 2.18 ppb | 1,500 |
| Bates County Public Water Supply District 5 | Adrian, MO | 28 of 48 | 2.14 ppb | 2,690 |
| Meadville PWS | Meadville, MO | 7 of 16 | 2.13 ppb | 450 |
| Unity Village | Unity Village, MO | 29 of 47 | 2.13 ppb | 1,000 |
| Coffey PWS | Coffey, MO | 16 of 27 | 2.04 ppb | 166 |
* 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 Chlorodibromoacetic acid, but it likely has the contaminant in its water supply.
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Marshall* | Marshall, MO | 78 of 96 | 5.37 ppb | 13,065 |
| Kennett | Kennett, MO | 6 of 12 | 1.98 ppb | 11,500 |
| Gladstone | Kansas City, MO | 58 of 96 | 1.79 ppb | 27,000 |
| Liberty* | Liberty, MO | 16 of 58 | 1.71 ppb | 31,507 |
| Cape Girardeau | Cape Girardeau, MO | 11 of 30 | 1.26 ppb | 39,628 |
| Columbia* | Columbia, MO | 56 of 144 | 1.24 ppb | 100,733 |
| United Wappinger Water Improvement District | Wappingers Falls, NY | 4 of 4 | 1.18 ppb | 14,000 |
| Springfield | Springfield, MO | 62 of 160 | 1.17 ppb | 170,554 |
| Sikeston* | Sikeston, MO | 6 of 12 | 1.10 ppb | 16,393 |
| Festus | Festus, MO | 17 of 48 | 1.05 ppb | 11,600 |
| Poughkeepsie Townwide Water District* | Poughkeepsie, NY | 12 of 12 | 1.05 ppb | 52,277 |
| City of Corona* | Corona, CA | 8 of 8 | 0.955 ppb | 155,896 |
| Poughkeepsie City | Poughkeepsie, NY | 8 of 8 | 0.906 ppb | 29,871 |
| Independence* | Independence, MO | 16 of 102 | 0.624 ppb | 117,240 |
| Belton* | Belton, MO | 6 of 58 | 0.564 ppb | 23,290 |
| Raymore | Raymore, MO | 7 of 58 | 0.500 ppb | 21,167 |
| Jackson County PWSD1 | Grandview, MO | 7 of 56 | 0.449 ppb | 25,000 |
| Neosho | Neosho, MO | 25 of 100 | 0.433 ppb | 12,157 |
| St. Charles | St Charles, MO | 14 of 96 | 0.347 ppb | 73,040 |
| Excelsior Springs* | Excelsior Springs, MO | 14 of 96 | 0.347 ppb | 11,084 |
| Fulton | Fulton, MO | 2 of 12 | 0.346 ppb | 12,128 |
| Grain Valley | Grain Valley, MO | 3 of 32 | 0.327 ppb | 13,684 |
| Raytown Water Company | Raytown, MO | 4 of 58 | 0.267 ppb | 21,135 |
| Jackson County PWSD 2* | Raytown, MO | 6 of 58 | 0.250 ppb | 15,923 |
| Kirkwood | Kirkwood, MO | 6 of 58 | 0.239 ppb | 28,000 |
| Jefferson County PWSD 10 | Arnonld, MO | 5 of 48 | 0.217 ppb | 10,000 |
| Blue Springs | Blue Springs, MO | 2 of 30 | 0.209 ppb | 52,530 |
| Hannibal | Hannibal, MO | 9 of 96 | 0.184 ppb | 17,916 |
| Thomas Hill PWSD 1* | Moberly, MO | 4 of 48 | 0.182 ppb | 10,315 |
| Jefferson County PWSD 3* | Arnold, MO | 5 of 58 | 0.181 ppb | 17,000 |
| Poplar Bluff | Poplar Bluff, MO | 13 of 96 | 0.180 ppb | 17,266 |
| Jefferson County PWSD1* | Arnold, MO | 7 of 82 | 0.174 ppb | 20,000 |
| St. Charles County PWSD 2* | O Fallon, MO | 14 of 119 | 0.165 ppb | 100,587 |
| St. Peters | St Peters, MO | 7 of 116 | 0.153 ppb | 56,971 |
| Macon County PWSD 1* | Macon, MO | 7 of 97 | 0.149 ppb | 11,606 |
| Branson | Branson, MO | 4 of 58 | 0.148 ppb | 11,880 |
| Moberly | Moberly, MO | 8 of 100 | 0.134 ppb | 12,101 |
| Wentzville | Wentzville, MO | 5 of 58 | 0.129 ppb | 38,300 |
| West Plains | West Plains, MO | 5 of 70 | 0.102 ppb | 12,248 |
| Jefferson County PWSD 2* | High Ridge, MO | 2 of 60 | 0.102 ppb | 20,000 |
| Jefferson County Cons. PWSD C 1* | Barnhart, MO | 4 of 82 | 0.0859 ppb | 35,000 |
| Carthage | Carthage, MO | 1 of 12 | 0.0833 ppb | 14,570 |
| Fort Leonard Wood | Ft Leonard Wood, MO | 5 of 96 | 0.0748 ppb | 34,000 |
| Webb City | Webb City, MO | 2 of 57 | 0.0630 ppb | 11,334 |
| Lees Summit | Lees Summit, MO | 3 of 100 | 0.0598 ppb | 97,135 |
| Sedalia* | Sedalia, MO | 1 of 40 | 0.0313 ppb | 22,000 |
| Maryville* | Maryville, MO | 1 of 96 | 0.0104 ppb | 11,972 |
* 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 Chlorodibromoacetic acid, but it likely has the contaminant in its water supply.