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Public water systems in Tennessee

276 public water systems in Tennessee, 7th among the states. Community drinking-water systems owned by a local, state or federal government and serving 3,301 people or more, from EPA's Safe Drinking Water Information System. Private and tribal systems are not included.

Public water systemPopulation served
METRO WATER SERVICES778,153
MEMPHIS LIGHT, GAS, & WATER659,500
KNOXVILLE UTILITIES BOARD - KUB254,671
CLARKSVILLE WATER DEPARTMENT251,864
CONSOLIDATED U.D. OF RUTHERFORD CO221,871
WHITE HOUSE UTILITY DISTRICT130,411
FIRST U.D. OF KNOX COUNTY115,531
MURFREESBORO WATER DEPARTMENT114,331
KINGSPORT WATER DEPT107,739
JOHNSON CITY WATER DEPT105,057
CLEVELAND UTILITIES95,087
JACKSON WATER SYSTEM91,111
WEST WILSON UTILITY DISTRICT86,978
COLUMBIA POWER AND WATER SYSTEMS84,617
HALLSDALE-POWELL U.D.84,315
MADISON SUBURBAN U.D.81,203
WEST KNOX UTILITY DISTRICT77,825
FRANKLIN WATER DEPT77,222
WATER AUTH OF DICKSON COUNTY68,675
HIXSON UTILITY DISTRICT68,306
GALLATIN WATER DEPARTMENT65,964
SPRING HILL WATER DEPT65,840
HARPETH VALLEY U.D.65,518
SMYRNA WATER SYSTEM60,876
LEBANON WATER SYSTEM60,669
EASTSIDE UTILITY DISTRICT59,612
HENDERSONVILLE U.D.59,034
BARTLETT WATER SYSTEM57,129
SOUTH BLOUNT UTILITY DISTRICT53,864
COLLIERVILLE WATER DEPT51,972
COOKEVILLE WATER DEPT49,711
CITY OF MARYVILLE W&S DEPT49,135
SPRINGFIELD WATER SYSTEM46,546
FORT CAMPBELL WATER SYSTEM43,270
OAK RIDGE DEPT OF PUBLIC WORKS41,614
KNOX-CHAPMAN UTILITY DISTRICT41,311
H.B.& T.S. UTILITY DISTRICT40,094
SEVIERVILLE WATER SYSTEM39,885
MORRISTOWN UTILITIES COMMIS.39,883
LA VERGNE WATER SYSTEM38,730
MILCROFTON UTILITY DISTRICT38,032
GERMANTOWN WATER DEPT37,738
BRISTOL DEPT OF UTILITIES37,648
SHELBYVILLE WATER SYSTEM36,813
ALCOA WATER SYSTEM35,238
NEWPORT UTILITIES BOARD34,925
LENOIR CITY UTILITY BOARD34,786
NOLENSVILLE-COLLEGE GROVE U.D.34,159
JONESBOROUGH WATER DEPT33,069
CROSSVILLE WATER DEPT32,985
ELIZABETHTON WATER DEPT32,490
TULLAHOMA UTILITIES AUTHORITY30,958
SAVANNAH VALLEY U.D.30,571
BRENTWOOD WATER DEPARTMENT30,493
MALLORY VALLEY U.D.30,347
WARREN COUNTY UTILITY DISTRICT29,055
NORTHEAST KNOX U.D.27,941
LAFOLLETTE UTILITIES BOARD27,637
GREENEVILLE WATER COMMISSION26,657
ATHENS UTILITIES BOARD26,424
LEXINGTON WATER SYSTEMS26,322
PORTLAND WATER SYSTEM25,761
ANDERSON COUNTY W.A.25,700
SHADY GROVE UTILITY DISTRICT25,320
DAYTON WATER DEPT25,054
MANCHESTER WATER DEPARTMENT24,975
WINCHESTER WATER SYSTEM24,899
LEWISBURG WATER SYSTEM24,569
MAURY CO WATER SYSTEM24,488
LINCOLN CO B.P.U. #123,846
BEDFORD COUNTY U.D.22,908
WILSON CO WATER & WASTEWATER22,680
CUMBERLAND PLATEAU W.A.#122,673
LAFAYETTE WATER SYSTEM21,551
LAWRENCEBURG UTILITY SYSTEMS21,244
OCOEE UTILITY DISTRICT21,082
NORTHWEST UTILITY DISTRICT20,710
SELMER WATER SYSTEM20,648
RUSSELLVILLE WHITESBURG U.D.20,197
FIRST U.D. OF HAWKINS COUNTY19,972
DYERSBURG WATER DEPT19,970
GLADEVILLE UTILITY DISTRICT19,813
PLEASANT VIEW UTILITY DISTRICT19,663
POPLAR GROVE UTILITY DISTRICT19,599
SAVANNAH UTILITY DEPT19,495
ALPHA-TALBOTT UTILITY DISTRICT19,075
MCMINNVILLE WATER DEPT19,029
WEST WARREN-VIOLA U.D.19,009
CLINTON UTILITIES BOARD18,772
EAST MONTGOMERY U.D.18,382
DEKALB UTILITY DISTRICT #117,960
GLEN HILLS UTILITY DISTRICT17,355
FENTRESS COUNTY U.D.16,845
HARRIMAN UTILITY BOARD16,653
UNION CITY WATER DEPT16,180
CLAIBORNE UTILITIES DISTRICT16,135
CUNNINGHAM UTILITY DISTRICT16,068
LOUDON UTILITIES BOARD16,047
LIVINGSTON WATER DEPT15,733
BLOUNTVILLE UTILITY DISTRICT15,647
LAGUARDO UTILITY DISTRICT15,595
WATTS BAR UTILITY DISTRICT15,571
MADISONVILLE WATER DEPT15,087
OAKLAND WATER DEPT14,957
PIGEON FORGE WATER DEPARTMENT14,872
TELLICO AREA SERVICES SYSTEM14,836
TUCKALEECHEE UTILITY DISTRICT14,522
CHUCKEY UTILITY DISTRICT14,369
COVINGTON WATER DEPT14,334
CASTALIAN SPRINGS-BETHPAGE U.D.14,184
CUMBERLAND UTILITY DISTRICT14,085
FAYETTEVILLE PUBLIC UTILITIES13,908
ROGERSVILLE WATER DEPT13,729
SWEETWATER UTILITY BOARD13,597
BLOOMINGDALE UTILITY DISTRICT13,318
MARSHALL CO B.P.U. #113,257
PARIS B.P.U.13,145
BON AQUA-LYLES U.D.12,952
ETOWAH UTILITIES12,851
CUMBERLAND PLATEAU W.A. #212,850
BROWNSVILLE WATER DEPARTMENT12,845
HUNTSVILLE UTILITY DISTRICT12,516
HOHENWALD WATER SYSTEM12,475
ERWIN UTILITIES AUTHORITY12,236
PLATEAU UTILITY DISTRICT12,074
WOODLAWN UTILITY DISTRICT12,069
MARTIN WATER DEPT11,918
ONEIDA W&S COMM11,600
WOODBURY WATER SYSTEM11,434
ROCKWOOD WATER, SEWER & GAS11,412
KINGSTON WATER SYSTEM11,392
HILLSVILLE UTILITY DISTRICT11,325
CARYVILLE-JACKSBORO UTILITIES COMMISSION11,079
CENTERVILLE WATER SYSTEM11,011
MILAN WATER DEPT10,932
SPARTA WATER SYSTEM10,899
PULASKI WATER SYSTEM10,767
HARTSVILLE-TROUSDALE W&S U.D.10,562
LUTTRELL-BLAINE-CORRYTON U.D.10,529
MUNFORD WATER DEPT10,434
BEAN STATION UTILITY DISTRICT10,378
ALGOOD WATER SYSTEM10,042
ARTHUR-SHAWANEE UTILITY DISTRICT10,037
O'CONNOR UTILITY DISTRICT10,025
CAMDEN WATER DEPT10,013
ADAMSVILLE WATER SYSTEM9,985
DANDRIDGE WATER MGMT FACILITY9,931
HUMBOLDT UTILITIES-WATER DEPT9,908
DUNLAP WATER SYSTEM9,782
JEFFERSON CITY W&S COMM9,764
JASPER WATER DEPT9,702
LINDEN WATER DEPT9,568
WEST OVERTON UTILITY DISTRICT9,392
MOUNTAIN CITY WATER DEPT9,304
WAVERLY WATER DEPARTMENT9,270
WALDEN'S RIDGE U.D.9,265
LAUDERDALE CO WATER SYSTEM9,254
SECOND SOUTH CHEATHAM U.D.9,243
ATOKA WATER SYSTEM9,197
BIG CREEK UTILITY DISTRICT9,185
ASHLAND CITY WATER DEPARTMENT9,173
GREENBRIER WATER & SEWER DEPT9,162
FIRST U.D. OF CARTER COUNTY9,143
FIRST U.D. OF TIPTON COUNTY9,017
COOKEVILLE BOAT DOCK RD U.D.8,966
MILLINGTON WATER DEPT8,935
HENDERSON WATER DEPT8,924
MOUNT PLEASANT WATER SYS #18,914
SMITH UTILITY DISTRICT8,913
GATLINBURG WATER DEPT8,877
BYRDSTOWN WATER DEPARTMENT8,658
COUNTY WIDE UTILITY DISTRICT8,528
DEWHITE UTILITY DISTRICT8,467
CROSS ANCHOR UTILITY DISTRICT8,449
OLD KNOXVILLE HWY U.D.8,296
ERIN WATER DEPARTMENT8,239
MINOR HILL WATER U.D.8,237
NEWBERN WATER DEPT8,098
RIPLEY WATER SYSTEM8,030
MAYNARDVILLE WATER DEPT7,940
BANGHAM UTILITY DISTRICT7,906
METRO LYNCHBURG/MOORE CO U.D. #17,895
BAXTER WATER DEPARTMENT7,781
SIGNAL MOUNTAIN WATER SYSTEM7,761
TELLICO PLAINS WATER DEPT7,759
SOUTH FORK UTILITY DISTRICT7,645
FIRST U.D. OF HARDIN COUNTY7,388
SOUTH PITTSBURG WATER SYSTEM7,304
SYLVIA-TN CITY-POND U.D.7,203
SMITHVILLE WATER SYSTEM7,049
FAIRVIEW UTILITY DISTRICT7,036
NSA - MIDSOUTH7,000
SOUTH GILES UTILITY DISTRICT6,985
CENTER GROVE-WINCHESTER SPRINGS6,979
DOUBLE SPRINGS U.D.6,698
OLD GAINESBORO ROAD U.D.6,608
UNION FORK-BAKEWELL U.D.6,464
DECATUR WATER DEPT6,451
WESTMORELAND WATER SYSTEM6,330
BRISTOL-BLUFF CITY U.D.6,268
BOLIVAR WATER SYSTEM6,251
SOUTH ELIZABETHTON U.D.6,244
SEVIER COUNTY WATER DEPARTMENT6,194
HUNTINGDON WATER DEPT6,167
CELINA WATER SYSTEM6,160
RED BOILING SPRINGS W.S.6,050
WARREN COUNTY U.D. #26,022
NORTH STEWART UTILITY DISTRICT5,983
SEWANEE UTILITY DISTRICT5,970
WEST ROBERTSON WATER AUTHORITY5,915
WITT UTILITY DISTRICT5,771
NEW MARKET UTILITY DISTRICT5,703
TRACY CITY WATER SYSTEM5,692
CUMBERLAND PLATEAU W.A.#35,659
NORTH GREENE UTILITIES, INC.5,604
SUMMERTOWN UTILITY DISTRICT5,593
MCKENZIE WATER DEPT5,495
PIKEVILLE WATER SYSTEM5,486
FRIENDSVILLE WATER WORKS5,437
FALL CREEK FALLS U.D.5,434
OLIVER SPRINGS WATER BOARD5,361
WAYNESBORO WATER SYSTEM5,354
QUEBECK WALLING U.D.5,349
ROANE CENTRAL UTILITY DISTRICT5,317
HALLS WATER SYSTEM5,287
NORTHEAST HENRY COUNTY U.D.5,155
TRENTON WATER SYSTEM5,155
MONTEREY WATER DEPT5,072
JELLICO UTILITIES AUTHORITY5,056
SOMERVILLE WATER SYSTEM5,020
PERSIA UTILITY DISTRICT4,966
DECHERD WATER DEPT4,809
LEOMA UTILITY DISTRICT4,808
LORETTO WATER DEPARTMENT4,773
LOBELVILLE WATER DEPT4,752
NORTH OVERTON UTILITY DISTRICT4,729
SCOTTS HILL WATER SYSTEM4,579
BON DE CROFT UTILITY DISTRICT4,577
UNICOI UTILITY DISTRICT4,527
NORTHWEST CLAY COUNTY UTILITY4,437
SOUTH SIDE U.D. #14,431
HAMPTON UTILITY DISTRICT4,354
ESTILL SPRINGS WATER DEPT4,317
PARSONS WATER DEPARTMENT4,303
WATTS BAR EAST U.D.4,280
MONTEAGLE PUBLIC UTILITY BOARD4,179
WHITE PINE WATER SYSTEM4,171
TENNESSEE RIDGE WATER SYSTEM4,169
CLIFTON WATER DEPT4,110
ALLARDT WATER WORKS4,058
SOUTH FULTON WATER SYSTEM4,043
DOVER WATER DEPT4,037
NORTHEAST LAWRENCE U.D.4,017
NORTHWEST DYERSBURG U.D.3,996
FALL RIVER RD UTILITY DISTRICT3,988
NIOTA WATER SYSTEM3,932
ENGLEWOOD WATER DEPT3,917
JACKSON COUNTY U.D. #33,917
RIVER ROAD UTILITY DISTRICT3,859
RICEVILLE UTILITY DISTRICT3,843
VANLEER WATER DEPARTMENT3,831
NORTH U.DEP. OF DECATUR/BENTON CO3,818
BRIGHTON WATER SYSTEM3,715
MASON WATER DEPT3,642
NORTH U.D. OF RHEA COUNTY3,640
CARTHAGE WATER SYSTEM3,624
CUMBERLAND HEIGHTS U.D.3,623
MCEWEN WATERWORKS3,594
WARTRACE WATER SYSTEM3,576
DYERSBURG SUBURBAN C.U.D.3,538
EAST FORK U.D.3,538
CHAPEL HILL WATER SYSTEM3,426
GIBSON CO MUNI WATER DIST #43,386
DRESDEN WATER DEPT3,381
CAGLE-FREDONIA U.D.3,363
SIAM UTILITY DISTRICT3,319

Largest first by population served, as each employer reports it to its federal registry.

Source: U.S. Environmental Protection Agency, Safe Drinking Water Information System (SDWIS/Fed), community water systems. Data captured October 2, 2026.

Jobs at public water systems

Water / Wastewater Treatment Operator

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Public water systems in other states

Texas · 1,133California · 523Illinois · 408Alabama · 294Florida · 286Michigan · 284New York · 266Pennsylvania · 259Massachusetts · 254Ohio · 243Georgia · 242North Carolina · 237Washington · 211New Jersey · 205Missouri · 200Kentucky · 190Louisiana · 190Minnesota · 185Wisconsin · 185Indiana · 176Colorado · 167Arkansas · 157South Carolina · 143Oklahoma · 142Virginia · 142Utah · 116Iowa · 112Oregon · 111Mississippi · 107Kansas · 88West Virginia · 82Maryland · 69Arizona · 63New Mexico · 53Idaho · 43Nebraska · 43New Hampshire · 38Hawaii · 34Montana · 32Vermont · 32Maine · 31South Dakota · 31Connecticut · 30Nevada · 28Wyoming · 28Rhode Island · 26Delaware · 20North Dakota · 18Alaska · 16District of Columbia · 3

All public water systems in the U.S. · Tennessee government jobs