| 1 | WARREN COUNTY U.D. #2 Mcminnville | Mcminnville | Surface Water | 118 | 6,022 | Yes |
| 2 | JACKSON COUNTY U.D. #3 Gainesboro | Gainesboro | Surface Water | 85 | 3,917 | Yes |
| 3 | CLIFTON WATER DEPT Clifton | Clifton | Surface Water | 61 | 4,110 | Yes |
| 4 | BYRDSTOWN WATER DEPARTMENT Byrdstown | Byrdstown | Surface Water | 54 | 8,658 | Yes |
| 5 | BEDFORD COUNTY U.D. Shelbyville | Shelbyville | Surface Water | 40 | 22,908 | Yes |
| 6 | ONEIDA W&S COMM Oneida | Oneida | Surface Water | 34 | 11,600 | Yes |
| 7 | TRACY CITY WATER SYSTEM Tracy City | Tracy City | Surface Water | 34 | 5,692 | Yes |
| 8 | LAKEVIEW U.D. WEST Rogersville | Rogersville | Surface Water | 28 | 2,684 | Yes |
| 9 | HARTSVILLE-TROUSDALE W&S U.D. Hartsville | Hartsville | Surface Water | 25 | 10,562 | Yes |
| 10 | DAYTON WATER DEPT Dayton | Dayton | Surface Water | 24 | 25,054 | Yes |
| 11 | ROGERSVILLE WATER DEPT Rogersville | Rogersville | Surface Water | 24 | 13,729 | Yes |
| 12 | MONTEAGLE PUBLIC UTILITY BOARD Monteagle | Monteagle | Surface Water | 24 | 4,179 | Yes |
| 13 | FRANKLIN WATER DEPT Franklin | Franklin | Surface Water | 23 | 77,222 | Yes |
| 14 | CORDELL HULL UTILITY DISTRICT Riddleton | Riddleton | Surface Water | 23 | 3,220 | Yes |
| 15 | SOUTH GILES UTILITY DISTRICT Minor Hill | Minor Hill | Surface Water | 22 | 6,985 | Yes |
| 16 | WOODLAWN UTILITY DISTRICT Woodlawn | Woodlawn | Surface Water | 21 | 12,069 | Yes |
| 17 | NORTHWEST CLAY COUNTY UTILITY Moss | Moss | Surface Water | 21 | 4,437 | Yes |
| 18 | RIVER LANDING CONDOMINIUM ASSOC Chattanooga | Chattanooga | Surface Water | 21 | 52 | Yes |
| 19 | WILSON CO WATER & WASTEWATER Lebanon | Lebanon | Surface Water | 18 | 22,680 | Yes |
| 20 | GRAYSVILLE WATER DEPT Graysville | Graysville | Groundwater | 18 | 1,872 | Yes |
| 21 | FENTRESS COUNTY U.D. Jamestown | Jamestown | Surface Water | 17 | 16,845 | Yes |
| 22 | JONESBOROUGH WATER DEPT Jonesborough | Jonesborough | Surface Water | 16 | 33,069 | Yes |
| 23 | NORTH STEWART UTILITY DISTRICT Dover | Dover | Surface Water | 16 | 5,983 | Yes |
| 24 | MINOR HILL WATER U.D. Minor Hill | Minor Hill | Surface Water | 15 | 8,237 | Yes |
| 25 | WEST STEWART UTILITY DISTRICT Erin | Erin | Surface Water | 15 | 629 | Yes |
| 26 | NORTH GREENE UTILITIES, INC. Greeneville | Greeneville | Surface Water | 12 | 5,604 | Yes |
| 27 | MONTEREY WATER DEPT Monterey | Monterey | Surface Water | 12 | 5,072 | Yes |
| 28 | CUNNINGHAM UTILITY DISTRICT Clarksville | Clarksville | Surface Water | 11 | 16,068 | Yes |
| 29 | EAST MONTGOMERY U.D. Clarksville | Clarksville | Surface Water | 10 | 18,382 | Yes |
| 30 | WITT UTILITY DISTRICT Morristown | Morristown | Surface Water | 10 | 5,771 | Yes |
| 31 | PERRYVILLE UTILITY DISTRICT Parsons | Parsons | Surface Water | 10 | 3,127 | Yes |
| 32 | TURNEY CENTER Only | Only | Surface Water | 10 | 1,610 | Yes |
| 33 | CUMBERLAND UTILITY DISTRICT Harriman | Harriman | Surface Water | 9 | 14,085 | Yes |
| 34 | CARTHAGE WATER SYSTEM Carthage | Carthage | Surface Water | 9 | 3,624 | Yes |
| 35 | SOUTH SIDE U.D. #3 Gordonsville | Gordonsville | Surface Water | 9 | 192 | Yes |
| 36 | LA VERGNE WATER SYSTEM Lavergne | Lavergne | Surface Water | 8 | 38,730 | Yes |
| 37 | WARREN COUNTY UTILITY DISTRICT Mcminnville | Mcminnville | Surface Water | 8 | 29,055 | Yes |
| 38 | ERIN WATER DEPARTMENT Erin | Erin | Surface Water | 8 | 8,239 | Yes |
| 39 | SPRING CITY WATER SYSTEM Spring City | Spring City | Surface Water | 8 | 2,985 | Yes |
| 40 | ALEXANDRIA WATER SYSTEM Alexandria | Alexandria | Surface Water | 8 | 2,626 | Yes |
| 41 | JACKSON COUNTY U.D. #1 Gainesboro | Gainesboro | Surface Water | 8 | 686 | Yes |
| 42 | TWENTY FIVE UTILITY DISTRICT Riddleton | Riddleton | Surface Water | 7 | 2,159 | Yes |
| 43 | WOODBURY WATER SYSTEM Woodbury | Woodbury | Surface Water | 6 | 11,434 | Yes |
| 44 | SMITHVILLE WATER SYSTEM Smithville | Smithville | Surface Water | 6 | 7,049 | Yes |
| 45 | FAIRVIEW UTILITY DISTRICT Pulaski | Pulaski | Surface Water | 6 | 7,036 | Yes |
| 46 | ROANE CENTRAL UTILITY DISTRICT Harriman | Harriman | Surface Water | 6 | 5,317 | Yes |
| 47 | ALLARDT WATER WORKS Allardt | Allardt | Surface Water | 6 | 4,058 | Yes |
| 48 | LYNNVILLE WATER DEPT Lynnville | Lynnville | Surface Water | 6 | 1,372 | Yes |
| 49 | PETERSBURG WATER SYSTEM Petersburg | Petersburg | Surface Water | 6 | 1,078 | Yes |
| 50 | DOWELLTOWN-LIBERTY W.S. Waverly | Waverly | Surface Water | 6 | 1,065 | Yes |
| 51 | GREEN MEADOW ESTATES OF ROCKFORD LLC Knoxville | Knoxville | Groundwater | 6 | 250 | Yes |
| 52 | PULASKI WATER SYSTEM Pulaski | Pulaski | Surface Water | 5 | 10,767 | Yes |
| 53 | SUMMERTOWN UTILITY DISTRICT Summertown | Summertown | Groundwater | 5 | 5,593 | Yes |
| 54 | LAUREL MTN LAKES WATER ASSOC. Madisonville | Madisonville | Groundwater | 5 | 259 | Yes |
| 55 | GOLDEN ESTATES TRAILER COURT Kodak | Kodak | Groundwater | 5 | 225 | Yes |
| 56 | CARLTON HEIGHTS MHP CT 2 Sevierville | Sevierville | Groundwater | 5 | 60 | Yes |
| 57 | MURFREESBORO WATER DEPARTMENT Murfreesboro | Murfreesboro | Surface Water | 4 | 114,331 | Yes |
| 58 | FIRST U.D. OF HAWKINS COUNTY | - | Surface Water | 4 | 19,972 | Yes |
| 59 | WEST WARREN-VIOLA U.D. Smartt | Smartt | Surface Water | 4 | 19,009 | Yes |
| 60 | LIVINGSTON WATER DEPT Livingston | Livingston | Surface Water | 4 | 15,733 | Yes |
| 61 | TELLICO PLAINS WATER DEPT Tellico Plains | Tellico Plains | Groundwater | 4 | 7,759 | Yes |
| 62 | OLIVER SPRINGS WATER BOARD Oak Ridge | Oak Ridge | Surface Water | 4 | 5,361 | Yes |
| 63 | CARDERVIEW UTILITY DISTRICT Butler | Butler | Surface Water | 4 | 1,049 | Yes |
| 64 | DEKALB UTILITY DISTRICT #4 Smithville | Smithville | Surface Water | 4 | 927 | Yes |
| 65 | CHOCTAW ESTATES, LLC Knoxville | Knoxville | Groundwater | 4 | 105 | Yes |
| 66 | MOUNTAIN VILLAGE PARKS Jamestown | Jamestown | Groundwater | 4 | 53 | Yes |
| 67 | COOKEVILLE WATER DEPT Cookeville | Cookeville | Surface Water | 3 | 49,711 | Yes |
| 68 | SPRINGFIELD WATER SYSTEM Springfield | Springfield | Surface Water | 3 | 46,546 | Yes |
| 69 | CUMBERLAND PLATEAU W.A. #2 Crossville | Crossville | Surface Water | 3 | 12,850 | Yes |
| 70 | CENTERVILLE WATER SYSTEM Centerville | Centerville | Surface Water | 3 | 11,011 | Yes |
| 71 | GREENBRIER WATER & SEWER DEPT Greenbrier | Greenbrier | Surface Water | 3 | 9,162 | Yes |
| 72 | FIRST U.D. OF CARTER COUNTY Elizabethton | Elizabethton | Surface Water | 3 | 9,143 | Yes |
| 73 | SMITH UTILITY DISTRICT Carthage | Carthage | Surface Water | 3 | 8,913 | Yes |
| 74 | MAYNARDVILLE WATER DEPT Maynardville | Maynardville | Surface Water | 3 | 7,940 | Yes |
| 75 | WEST ROBERTSON WATER AUTHORITY Adams | Adams | Surface Water | 3 | 5,915 | Yes |
| 76 | FALL CREEK FALLS U.D. Pikeville | Pikeville | Surface Water | 3 | 5,434 | Yes |
| 77 | WATTS BAR EAST U.D. Kingston | Kingston | Surface Water | 3 | 4,280 | Yes |
| 78 | BELL BUCKLE WATER SYSTEM Bell Buckle | Bell Buckle | Surface Water | 3 | 2,633 | Yes |
| 79 | BROWNLOW UTILITY DISTRICT Mountain City | Mountain City | Surface Water | 3 | 683 | Yes |
| 80 | REELFOOT WATER ASSOCIATION Hornbeak | Hornbeak | Groundwater | 3 | 644 | Yes |
| 81 | CONSOLIDATED U.D. OF RUTHERFORD CO Murfreesboro | Murfreesboro | Surface Water | 2 | 221,871 | Yes |
| 82 | HALLSDALE-POWELL U.D. Knoxville | Knoxville | Surface Water | 2 | 84,315 | Yes |
| 83 | WEST KNOX UTILITY DISTRICT Knoxville | Knoxville | Surface Water | 2 | 77,825 | Yes |
| 84 | OAK RIDGE DEPT OF PUBLIC WORKS Oak Ridge | Oak Ridge | Surface Water | 2 | 41,614 | Yes |
| 85 | ALCOA WATER SYSTEM Alcoa | Alcoa | Surface Water | 2 | 35,238 | Yes |
| 86 | LENOIR CITY UTILITY BOARD Lenoir City | Lenoir City | Surface Water | 2 | 34,786 | Yes |
| 87 | ANDERSON COUNTY W.A. Clinton | Clinton | Surface Water | 2 | 25,700 | Yes |
| 88 | GLADEVILLE UTILITY DISTRICT Gladeville | Gladeville | Surface Water | 2 | 19,813 | Yes |
| 89 | HARRIMAN UTILITY BOARD Harriman | Harriman | Surface Water | 2 | 16,653 | Yes |
| 90 | SWEETWATER UTILITY BOARD Sweetwater | Sweetwater | Surface Water | 2 | 13,597 | Yes |
| 91 | ROCKWOOD WATER, SEWER & GAS Rockwood | Rockwood | Surface Water | 2 | 11,412 | Yes |
| 92 | LUTTRELL-BLAINE-CORRYTON U.D. Luttrell | Luttrell | Surface Water | 2 | 10,529 | Yes |
| 93 | FIRST U.D. OF HARDIN COUNTY Counce | Counce | Surface Water | 2 | 7,388 | Yes |
| 94 | BRISTOL-BLUFF CITY U.D. Cookeville | Cookeville | Surface Water | 2 | 6,268 | Yes |
| 95 | WAYNESBORO WATER SYSTEM Waynesboro | Waynesboro | Surface Water | 2 | 5,354 | Yes |
| 96 | JELLICO UTILITIES AUTHORITY Jellico | Jellico | Surface Water | 2 | 5,056 | Yes |
| 97 | LORETTO WATER DEPARTMENT Loretto | Loretto | Surface Water | 2 | 4,773 | Yes |
| 98 | LOBELVILLE WATER DEPT Lobelville | Lobelville | Surface Water | 2 | 4,752 | Yes |
| 99 | WHITE PINE WATER SYSTEM White Pine | White Pine | Surface Water | 2 | 4,171 | Yes |
| 100 | NEW JOHNSONVILLE WATER DEPT New Johnsonville | New Johnsonville | Surface Water | 2 | 2,961 | Yes |
| 101 | WATERTOWN WATER SYSTEM Watertown | Watertown | Groundwater | 2 | 1,944 | Yes |
| 102 | MOORESBURG UTILITY DISTRICT Mooresburg | Mooresburg | Surface Water | 2 | 1,844 | Yes |
| 103 | FRIENDSHIP DISTRIBUTION WATER SYSTEM Friendship | Friendship | Groundwater | 2 | 904 | Yes |
| 104 | KWP UTILITY COMPANY LLC Memphis | Memphis | Groundwater | 2 | 869 | Yes |
| 105 | OLD HICKORY WAT CO-UNION COUNTY Maynardville | Maynardville | Surface Water | 2 | 342 | Yes |
| 106 | MOUNTAIN SIDE ESTATES Sweetwater | Sweetwater | Groundwater | 2 | 121 | Yes |
| 107 | SOUTH BLOUNT UTILITY DISTRICT Maryville | Maryville | Surface Water | 1 | 53,864 | Yes |
| 108 | CROSSVILLE WATER DEPT Crossville | Crossville | Surface Water | 1 | 32,985 | Yes |
| 109 | ELIZABETHTON WATER DEPT Elizabethton | Elizabethton | Surface Water | 1 | 32,490 | Yes |
| 110 | SAVANNAH VALLEY U.D. Georgetown | Georgetown | Surface Water | 1 | 30,571 | Yes |
| 111 | CUMBERLAND PLATEAU W.A.#1 Crossville | Crossville | Surface Water | 1 | 22,673 | Yes |
| 112 | LAFAYETTE WATER SYSTEM Lafayette | Lafayette | Surface Water | 1 | 21,551 | Yes |
| 113 | OCOEE UTILITY DISTRICT Ocoee | Ocoee | Surface Water | 1 | 21,082 | Yes |
| 114 | NORTHWEST UTILITY DISTRICT Soddy Daisy | Soddy Daisy | Surface Water | 1 | 20,710 | Yes |
| 115 | MCMINNVILLE WATER DEPT Mcminnville | Mcminnville | Surface Water | 1 | 19,029 | Yes |
| 116 | PIGEON FORGE WATER DEPARTMENT Sevierville | Sevierville | Surface Water | 1 | 14,872 | Yes |
| 117 | BLOOMINGDALE UTILITY DISTRICT Kingsport | Kingsport | Surface Water | 1 | 13,318 | Yes |
| 118 | FIRST U.D. OF TIPTON COUNTY Covington | Covington | Groundwater | 1 | 9,017 | Yes |
| 119 | RED BOILING SPRINGS W.S. | - | Surface Water | 1 | 6,050 | Yes |
| 120 | CUMBERLAND PLATEAU W.A.#3 Crossville | Crossville | Surface Water | 1 | 5,659 | Yes |
| 121 | PIKEVILLE WATER SYSTEM Pikeville | Pikeville | Surface Water | 1 | 5,486 | Yes |
| 122 | MASON WATER DEPT Mason | Mason | Groundwater | 1 | 3,642 | Yes |
| 123 | WARTRACE WATER SYSTEM Wartrace | Wartrace | Surface Water | 1 | 3,576 | Yes |
| 124 | SURGOINSVILLE UTILITY DISTRICT Surgoinsville | Surgoinsville | Surface Water | 1 | 2,609 | Yes |
| 125 | RIDGELY WATER SYSTEM Ridgely | Ridgely | Groundwater | 1 | 2,059 | Yes |
| 126 | INTERMONT UTILITY DISTRICT Bristol | Bristol | Surface Water | 1 | 1,848 | Yes |
| 127 | ST JOSEPH WATER SYSTEM St. Joseph | St. Joseph | Surface Water | 1 | 1,533 | Yes |
| 128 | EAST SEVIER COUNTY U.D. Sevierville | Sevierville | Groundwater | 1 | 815 | Yes |
| 129 | MASON HALL DEVELOPMENT CORP Kenton | Kenton | Groundwater | 1 | 211 | Yes |
| 130 | LAURELBROOK SCHOOL Dayton | Dayton | Groundwater | 1 | 150 | Yes |
| 131 | HILLVIEW MHC Nashville | Nashville | Surface Water | 1 | 96 | Yes |