Tennessee public water systems
1,390 active systems regulated under the Safe Drinking Water Act, serving a reported 8M people across 322 counties.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
1,390
Population served
8M
Community systems
448
Groundwater share
80.6%
System types in Tennessee
448
Community water system
42
Non-transient non-community water system
900
Transient non-community water system
Largest water systems in Tennessee
| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Metro Water Services | Davidson | 778,153 | Community | Surface water |
| 2 | Memphis Light, Gas, & Water | Shelby | 659,500 | Community | Groundwater |
| 3 | Knoxville Utilities Board - Kub | Knox | 254,671 | Community | Surface water |
| 4 | Clarksville Water Department | Montgomery | 251,864 | Community | Surface water |
| 5 | Consolidated U.D. of Rutherford Co | Rutherford | 221,871 | Community | Surface water |
| 6 | Tennessee American Water | Hamilton | 207,046 | Community | Surface water |
| 7 | White House Utility District | Sumner | 130,411 | Community | Surface water |
| 8 | First U.D. of Knox County | Knox | 115,531 | Community | Surface water |
| 9 | Murfreesboro Water Department | Rutherford | 111,365 | Community | Surface water |
| 10 | Kingsport Water Dept | Sullivan | 107,739 | Community | Surface water |
| 11 | Johnson City Water Dept | Washington | 105,057 | Community | Surface water |
| 12 | Cleveland Utilities | Bradley | 95,087 | Community | Surface water |
| 13 | Jackson Water System | Madison | 91,111 | Community | Groundwater |
| 14 | West Wilson Utility District | Wilson | 86,978 | Community | Surface water |
| 15 | Columbia Power and Water Systems | Maury | 84,617 | Community | Surface water |
| 16 | Hallsdale-Powell U.D. | Knox | 84,315 | Community | Surface water |
| 17 | Madison Suburban U.D. | Davidson | 81,203 | Community | Surface water |
| 18 | West Knox Utility District | Knox | 77,825 | Community | Surface water |
| 19 | Franklin Water Dept | Williamson | 77,222 | Community | Surface water |
| 20 | Water Auth of Dickson County | Dickson | 68,675 | Community | Surface water |
| 21 | Hixson Utility District | Hamilton | 68,306 | Community | Groundwater |
| 22 | Gallatin Water Department | Sumner | 65,964 | Community | Surface water |
| 23 | Spring Hill Water Dept | Maury | 65,840 | Community | Surface water |
| 24 | Harpeth Valley U.D. | Davidson | 65,518 | Community | Surface water |
| 25 | Smyrna Water System | Rutherford | 60,876 | Community | Surface water |
By county
Sevier49 systemsJefferson26 systemsMadison24 systemsHenry22 systemsWayne21 systemsCarter21 systemsMonroe20 systemsFranklin19 systemsPolk18 systemsLawrence18 systemsSullivan17 systemsHumphreys17 systemsFayette16 systemsBlount16 systemsGibson15 systemsHardeman15 systemsCarroll15 systemsMarion13 systemsButler13 systemsBedford13 systemsHawkins12 systemsCumberland12 systemsBenton11 systemsCrawford11 systemsWeakley11 systemsObion11 systemsHamilton11 systemsMcMinn11 systemsMontgomery11 systemsShelby10 systemsKnox10 systemsGeauga10 systemsUnion10 systemsMercer10 systemsGrainger10 systemsHaywood10 systemsHickman10 systemsGreene10 systemsJackson10 systemsPutnam9 systemsCoffee9 systemsRoane9 systemsCampbell9 systemsTipton9 systemsPortage9 systemsChester8 systemsStewart8 systemsCocke8 systemsDecatur8 systemsJohnson8 systemsBradford8 systemsLapeer8 systemsRhea7 systemsHardin7 systemsWilliamson7 systemsLuzerne7 systemsAdams7 systemsWilson7 systemsErie7 systemsSt. Tammany Parish7 systemsSmith7 systemsClaiborne7 systemsLake7 systemsSt. Clair7 systemsMecosta7 systemsClare7 systemsColumbiana6 systemsGiles6 systemsPerry6 systemsDyer6 systemsSumner6 systemsAnderson6 systemsDeKalb6 systemsWashington6 systemsLincoln6 systemsWarren6 systemsCass6 systemsLauderdale6 systemsYork6 systemsCrockett6 systemsScott6 systemsCecil6 systemsBarry6 systemsNewaygo6 systemsAshtabula5 systemsHamblen5 systemsMcNairy5 systemsRutherford5 systemsWhite5 systemsBerks5 systemsCrow Wing5 systemsSequatchie5 systemsGrundy5 systemsOceana5 systemsBerrien5 systemsWood4 systemsTrumbull4 systemsPike4 systemsOverton4 systemsLewis4 systemsHenderson4 systemsUnicoi4 systemsRobertson4 systemsCheatham4 systemsWashington Parish4 systemsMarshall4 systemsCarbon4 systemsDavidson4 systemsColumbia4 systemsPrince Edward4 systemsHarris4 systemsMaury4 systemsMidland4 systemsSchuylkill4 systemsKent4 systemsPittsylvania4 systemsLouisa4 systemsLogan4 systemsStark4 systemsSt. Francois4 systemsMorgan4 systemsSt. Joseph4 systemsRoscommon4 systemsGladwin4 systemsIsabella4 systemsBranch4 systemsDelta4 systemsHillsdale4 systemsKalkaska4 systemsDickson3 systemsLoudon3 systemsFentress3 systemsMacon3 systemsDauphin3 systemsTioga3 systemsCambria3 systemsWestmoreland3 systemsBradley3 systemsSusquehanna3 systemsIndiana3 systemsSomerset3 systemsNorthumberland3 systemsVan Buren3 systemsAnoka3 systemsVenango3 systemsHalifax3 systemsIosco3 systemsMuskegon3 systemsMason3 systemsCalhoun3 systemsLenawee3 systemsGrand Traverse3 systemsKalamazoo3 systems
Richland2 systems
Snyder2 systems
Tangipahoa Parish2 systems
Clay2 systems
McKean2 systems
Calcasieu Parish2 systems
Huntingdon2 systems
Beaver2 systems
Blair2 systems
Bledsoe2 systems
Meigs2 systems
Northampton2 systems
Licking2 systems
Richmond2 systems
Lehigh2 systems
Klamath2 systems
Lancaster2 systems
Ector2 systems
Lassen2 systems
Paulding2 systems
Waller2 systems
Houston2 systems
Charles2 systems
Douglas2 systems
Fort Bend2 systems
Charlotte2 systems
Mecklenburg2 systems
Amelia2 systems
Tuscarawas2 systems
Summit2 systems
Fairfield2 systems
Morrow2 systems
Darke2 systems
Medina2 systems
Hancock2 systems
Bollinger2 systems
Howell2 systems
Stone2 systems
Camden2 systems
Webster2 systems
Shiawassee2 systems
Josephine2 systems
Antrim2 systems
Wexford2 systems
Manistee2 systems
Benzie2 systems
Mackinac2 systems
Osceola2 systems
Genesee2 systems
Alger2 systems
Cheboygan2 systems
Moore2 systems
Marquette2 systems
Allen1 systems
Holmes1 systems
Bryan1 systems
Winnebago1 systems
Lebanon1 systems
Cannon1 systems
Twiggs1 systems
Gaston1 systems
Preble1 systems
Shenandoah1 systems
Lackawanna1 systems
Caswell1 systems
Storey1 systems
Acadia Parish1 systems
Charles City1 systems
Washoe1 systems
Tompkins1 systems
Chatham1 systems
Colorado1 systems
Wyoming1 systems
Freeborn1 systems
Pickaway1 systems
Chisago1 systems
Rabun1 systems
Spokane1 systems
Southampton1 systems
Floyd1 systems
Russell1 systems
King William1 systems
Accomack1 systems
Saguache1 systems
Becker1 systems
Trousdale1 systems
Oconee1 systems
Tunica1 systems
Clarion1 systems
Calloway1 systems
Otter Tail1 systems
Gloucester1 systems
Prince George1 systems
Rice1 systems
Tehama1 systems
Roseau1 systems
Dodge1 systems
Lucas1 systems
Mathews1 systems
Surry1 systems
St. Louis1 systems
Kern1 systems
Los Angeles1 systems
Kerr1 systems
Reeves1 systems
Vermillion1 systems
Garrett1 systems
Wicomico1 systems
Calvert1 systems
Harford1 systems
Anne Arundel1 systems
Dorchester1 systems
Ward1 systems
San Bernardino1 systems
Morrison1 systems
Isanti1 systems
Kanabec1 systems
Kankakee1 systems
Ogle1 systems
Peoria1 systems
Starke1 systems
Nye1 systems
Fresno1 systems
Patrick1 systems
Linn1 systems
Nottoway1 systems
Centre1 systems
Fulton1 systems
Muskingum1 systems
Champaign1 systems
Mahoning1 systems
Clark1 systems
Brazoria1 systems
Burleson1 systems
Iberia Parish1 systems
Pickett1 systems
Cape Girardeau1 systems
Newton1 systems
Jasper1 systems
Taney1 systems
Christian1 systems
Ozark1 systems
Hickory1 systems
Dallas1 systems
Eaton1 systems
Miller1 systems
Potter1 systems
Sandusky1 systems
Seneca1 systems
San Diego1 systems
Liberty1 systems
Galveston1 systems
Rockingham1 systems
Caroline1 systems
Phelps1 systems
Ionia1 systems
Alpena1 systems
Arenac1 systems
Huron1 systems
Alcona1 systems
Montcalm1 systems
Luce1 systems
Gratiot1 systems
Chippewa1 systems
Ottawa1 systems
Presque Isle1 systems
Oakland1 systems
Kendall1 systems
Pearl River1 systems