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Tennessee Tap Water Quality: Is It Safe to Drink?

2026 EPA water quality data for 446 community water systems serving a combined 7,854,510 people in Tennessee. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.

Tennessee draws drinking water primarily from surface rivers and reservoirs across the Cumberland and Tennessee River valleys. Disinfection byproducts are the most common violation type, especially in small systems treating warm surface water. PFAS contamination has been identified near military installations and industrial sites.

Find Your Water System in Tennessee

Enter your ZIP code to see EPA violations, lead test results, PFAS data, and a safety grade for your water.

📊 Data from EPA’s SDWIS · 🔄 Updated quarterly · 🏛️ 446 water systems in Tennessee

Showing the 250 largest of 446 community water systems in Tennessee, by population served. Use the ZIP search above or the city links to find a smaller system.

METRO WATER SERVICES NASHVILLE, TN · 778,153 people · Surface Water MEMPHIS LIGHT, GAS, & WATER MEMPHIS, TN · 659,500 people · Groundwater KNOXVILLE UTILITIES BOARD - KUB KNOXVILLE, TN · 254,671 people · Surface Water CLARKSVILLE WATER DEPARTMENT CLARKSVILLE, TN · 251,864 people · Surface Water CONSOLIDATED U.D. OF RUTHERFORD CO MURFREESBORO, TN · 221,871 people · Surface Water TENNESSEE AMERICAN WATER CHATTANOOGA, TN · 207,046 people · Surface Water WHITE HOUSE UTILITY DISTRICT WHITE HOUSE, TN · 130,411 people · Surface Water FIRST U.D. OF KNOX COUNTY KNOXVILLE, TN · 115,531 people · Surface Water MURFREESBORO WATER DEPARTMENT MURFREESBORO, TN · 111,365 people · Surface Water KINGSPORT WATER DEPT KINGSPORT, TN · 107,739 people · Surface Water JOHNSON CITY WATER DEPT JOHNSON CITY, TN · 105,057 people · Surface Water CLEVELAND UTILITIES CLEVELAND, TN · 95,087 people · Surface Water JACKSON WATER SYSTEM JACKSON, TN · 91,111 people · Groundwater WEST WILSON UTILITY DISTRICT MOUNT JULIET, TN · 86,978 people · Surface Water COLUMBIA POWER AND WATER SYSTEMS COLUMBIA, TN · 84,617 people · Surface Water HALLSDALE-POWELL U.D. KNOXVILLE, TN · 84,315 people · Surface Water MADISON SUBURBAN U.D. MADISON, TN · 81,203 people · Surface Water WEST KNOX UTILITY DISTRICT KNOXVILLE, TN · 77,825 people · Surface Water FRANKLIN WATER DEPT FRANKLIN, TN · 77,222 people · Surface Water WATER AUTH OF DICKSON COUNTY DICKSON, TN · 68,675 people · Surface Water HIXSON UTILITY DISTRICT HIXSON, TN · 68,306 people · Groundwater GALLATIN WATER DEPARTMENT GALLATIN, TN · 65,964 people · Surface Water SPRING HILL WATER DEPT SPRING HILL, TN · 65,840 people · Surface Water HARPETH VALLEY U.D. NASHVILLE, TN · 65,518 people · Surface Water SMYRNA WATER SYSTEM SMYRNA, TN · 60,876 people · Surface Water LEBANON WATER SYSTEM LEBANON, TN · 60,669 people · Surface Water EASTSIDE UTILITY DISTRICT CHATTANOOGA, TN · 59,612 people · Surface Water HENDERSONVILLE U.D. HENDERSONVILLE, TN · 59,034 people · Surface Water BARTLETT WATER SYSTEM BARTLETT, TN · 57,129 people · Groundwater SOUTH BLOUNT UTILITY DISTRICT MARYVILLE, TN · 53,864 people · Surface Water COLLIERVILLE WATER DEPT COLLIERVILLE, TN · 51,972 people · Groundwater CITY OF MARYVILLE W&S DEPT MARYVILLE, TN · 49,135 people · Surface Water COOKEVILLE WATER DEPT COOKEVILLE, TN · 48,711 people · Surface Water SPRINGFIELD WATER SYSTEM SPRINGFIELD, TN · 43,338 people · Surface Water FORT CAMPBELL WATER SYSTEM FT. CAMPBELL, KY · 43,270 people · Surface Water OAK RIDGE DEPT OF PUBLIC WORKS OAK RIDGE, TN · 41,614 people · Surface Water KNOX-CHAPMAN UTILITY DISTRICT KNOXVILLE, TN · 41,311 people · Surface Water H.B.& T.S. UTILITY DISTRICT FRANKLIN, TN · 40,094 people · Surface Water Purchased SEVIERVILLE WATER SYSTEM SEVIERVILLE, TN · 39,885 people · Surface Water MORRISTOWN UTILITIES COMMISSION MORRISTOWN, TN · 39,883 people · Surface Water LA VERGNE WATER SYSTEM LAVERGNE, TN · 38,730 people · Surface Water MILCROFTON UTILITY DISTRICT FRANKLIN, TN · 38,032 people · Surface Water Purchased GERMANTOWN WATER DEPT GERMANTOWN, TN · 37,738 people · Groundwater BRISTOL DEPARTMENT OF UTILITIES BRISTOL, TN · 37,648 people · Surface Water ALCOA WATER SYSTEM ALCOA, TN · 35,238 people · Surface Water NEWPORT UTILITIES BOARD NEWPORT, TN · 34,925 people · Surface Water LENOIR CITY UTILITY BOARD LENOIR CITY, TN · 34,786 people · Surface Water SHELBYVILLE WATER SYSTEM SHELBYVILLE, TN · 34,772 people · Surface Water CROSSVILLE WATER DEPT CROSSVILLE, TN · 33,135 people · Surface Water JONESBOROUGH WATER DEPT JONESBOROUGH, TN · 33,069 people · Surface Water NOLENSVILLE-COLLEGE GROVE U.D. NOLENSVILLE, TN · 32,793 people · Surface Water Purchased ELIZABETHTON WATER DEPT ELIZABETHTON, TN · 32,490 people · Surface Water Purchased TULLAHOMA UTILITIES AUTHORITY TULLAHOMA, TN · 30,958 people · Surface Water Purchased SAVANNAH VALLEY U.D. GEORGETOWN, TN · 30,571 people · GWUDI BRENTWOOD WATER DEPARTMENT BRENTWOOD, TN · 30,493 people · Surface Water Purchased MALLORY VALLEY U.D. FRANKLIN, TN · 30,347 people · Surface Water Purchased WARREN COUNTY UTILITY DISTRICT MCMINNVILLE, TN · 29,827 people · Surface Water NORTHEAST KNOX U.D. CORRYTON, TN · 27,941 people · Surface Water LAFOLLETTE UTILITIES BOARD LAFOLLETTE, TN · 27,637 people · Surface Water GREENEVILLE WATER COMMISSION GREENEVILLE, TN · 26,657 people · Surface Water ATHENS UTILITIES BOARD ATHENS, TN · 26,424 people · Surface Water LEXINGTON WATER SYSTEMS LEXINGTON, TN · 26,322 people · Surface Water ANDERSON COUNTY WATER AUTH CLINTON, TN · 25,700 people · Surface Water SHADY GROVE UTILITY DISTRICT DANDRIDGE, TN · 25,320 people · Surface Water Purchased DAYTON WATER DEPT DAYTON, TN · 25,054 people · Surface Water MANCHESTER WATER DEPARTMENT MANCHESTER, TN · 24,975 people · Surface Water Purchased WINCHESTER WATER SYSTEM WINCHESTER, TN · 24,899 people · Surface Water LEWISBURG WATER SYSTEM LEWISBURG, TN · 24,569 people · Surface Water MAURY CO WATER SYSTEM COLUMBIA, TN · 24,488 people · Surface Water Purchased LINCOLN CO B.P.U. #1 FAYETTEVILLE, TN · 23,846 people · Surface Water Purchased PORTLAND WATER SYSTEM PORTLAND, TN · 23,509 people · Surface Water BEDFORD COUNTY U.D. SHELBYVILLE, TN · 22,908 people · Surface Water WILSON CO WATER & WASTEWATER LEBANON, TN · 22,680 people · Surface Water Purchased CUMBERLAND PLATEAU WATER AUTHORITY CROSSVILLE, TN · 22,673 people · Surface Water LAFAYETTE WATER SYSTEM LAFAYETTE, TN · 21,551 people · Surface Water LAWRENCEBURG UTILITY SYSTEMS LAWRENCEBURG, TN · 21,244 people · Surface Water OCOEE UTILITY DISTRICT OCOEE, TN · 21,082 people · Surface Water Purchased FIRST U.D. OF HAWKINS COUNTY CHURCH HILL, TN · 20,851 people · Surface Water NORTHWEST UTILITY DISTRICT SODDY DAISY, TN · 20,794 people · Surface Water SELMER WATER SYSTEM SELMER, TN · 20,648 people · Groundwater RUSSELLVILLE WHITESBURG U.D. RUSSELLVILLE, TN · 20,197 people · Surface Water Purchased DYERSBURG WATER DEPT DYERSBURG, TN · 19,970 people · Groundwater GLADEVILLE UTILITY DISTRICT GLADEVILLE, TN · 19,813 people · GWUDI POPLAR GROVE UTILITY DISTRICT MUNFORD, TN · 19,599 people · Groundwater SAVANNAH UTILITY DEPT SAVANNAH, TN · 19,495 people · Groundwater ALPHA-TALBOTT UTILITY DISTRICT TALBOTT, TN · 19,075 people · Surface Water Purchased MCMINNVILLE WATER DEPT MCMINNVILLE, TN · 19,029 people · Surface Water WEST WARREN-VIOLA U.D. SMARTT, TN · 19,009 people · Surface Water PLEASANT VIEW UTILITY DISTRICT PLEASANT VIEW, TN · 18,854 people · Surface Water CLINTON UTILITIES BOARD CLINTON, TN · 18,772 people · Surface Water EAST MONTGOMERY U.D. CLARKSVILLE, TN · 18,382 people · Surface Water Purchased DEKALB UTILITY DISTRICT #1 SMITHVILLE, TN · 17,960 people · Surface Water GLEN HILLS UTILITY DISTRICT GREENEVILLE, TN · 17,355 people · Surface Water Purchased FENTRESS COUNTY U.D. JAMESTOWN, TN · 16,845 people · Surface Water Purchased HARRIMAN UTILITY BOARD HARRIMAN, TN · 16,653 people · Surface Water UNION CITY WATER DEPT UNION CITY, TN · 16,180 people · Groundwater CLAIBORNE UTILITIES DISTRICT NEW TAZEWELL, TN · 16,135 people · Surface Water CUNNINGHAM UTILITY DISTRICT CLARKSVILLE, TN · 16,068 people · Surface Water Purchased LOUDON UTILITIES BOARD LOUDON, TN · 16,047 people · Surface Water LIVINGSTON WATER DEPT LIVINGSTON, TN · 15,733 people · Surface Water BLOUNTVILLE UTILITY DISTRICT BLOUNTVILLE, TN · 15,647 people · Surface Water Purchased LAGUARDO UTILITY DISTRICT LEBANON, TN · 15,595 people · GWUDI WATTS BAR UTILITY DISTRICT KINGSTON, TN · 15,571 people · Surface Water Purchased MADISONVILLE WATER DEPT MADISONVILLE, TN · 15,087 people · Surface Water Purchased OAKLAND WATER DEPT OAKLAND, TN · 14,957 people · Groundwater PIGEON FORGE WATER DEPARTMENT SEVIERVILLE, TN · 14,872 people · Surface Water TELLICO AREA SERVICES SYSTEM VONORE, TN · 14,836 people · Surface Water TUCKALEECHEE UTILITY DISTRICT TOWNSEND, TN · 14,522 people · Surface Water Purchased CHUCKEY UTILITY DISTRICT GREENEVILLE, TN · 14,369 people · Surface Water Purchased COVINGTON WATER DEPT COVINGTON, TN · 14,334 people · Groundwater CASTALIAN SPRINGS-BETHPAGE U.D. BETHPAGE, TN · 14,184 people · Surface Water Purchased FAYETTEVILLE PUBLIC UTILITIES FAYETTEVILLE, TN · 13,908 people · Surface Water TELLICO VILLAGE P.O.A. LOUDON, TN · 13,870 people · Surface Water Purchased ROGERSVILLE WATER DEPT ROGERSVILLE, TN · 13,729 people · Surface Water SWEETWATER UTILITY BOARD SWEETWATER, TN · 13,597 people · Surface Water BLOOMINGDALE UTILITY DISTRICT KINGSPORT, TN · 13,318 people · Surface Water MARSHALL CO B.P.U. #1 LEWISBURG, TN · 13,257 people · Surface Water Purchased BON AQUA-LYLES U.D. LYLES, TN · 12,952 people · Surface Water PARIS BD OF PUBLIC UTILITIES PARIS, TN · 12,874 people · Groundwater ETOWAH UTILITIES ETOWAH, TN · 12,851 people · Surface Water BROWNSVILLE WATER DEPARTMENT BROWNSVILLE, TN · 12,845 people · Groundwater HUNTSVILLE UTILITY DISTRICT HUNTSVILLE, TN · 12,516 people · Surface Water HOHENWALD WATER SYSTEM HOHENWALD, TN · 12,475 people · Groundwater ERWIN UTILITIES AUTHORITY ERWIN, TN · 12,236 people · GWUDI SOUTH CUMBERLAND U.D. CROSSVILLE, TN · 12,233 people · Surface Water Purchased PLATEAU UTILITY DISTRICT WARTBURG, TN · 12,074 people · Surface Water WOODLAWN UTILITY DISTRICT WOODLAWN, TN · 12,069 people · Surface Water MARTIN WATER DEPT MARTIN, TN · 11,918 people · Groundwater ONEIDA W&S COMM ONEIDA, TN · 11,600 people · Surface Water WOODBURY WATER SYSTEM WOODBURY, TN · 11,434 people · Surface Water ROCKWOOD WATER, SEWER & GAS ROCKWOOD, TN · 11,412 people · Surface Water KINGSTON WATER SYSTEM KINGSTON, TN · 11,392 people · Surface Water HILLSVILLE UTILITY DISTRICT MANCHESTER, TN · 11,325 people · Surface Water Purchased CARYVILLE-JACKSBORO UTILITIES COMMISSION JACKSBORO, TN · 11,079 people · Surface Water CENTERVILLE WATER SYSTEM CENTERVILLE, TN · 11,011 people · Surface Water CUMBERLAND UTILITY DISTRICT HARRIMAN, TN · 10,957 people · Surface Water MILAN WATER DEPT MILAN, TN · 10,932 people · Groundwater SPARTA WATER SYSTEM SPARTA, TN · 10,899 people · Surface Water PULASKI WATER SYSTEM PULASKI, TN · 10,767 people · Surface Water HARTSVILLE-TROUSDALE W&S U.D. HARTSVILLE, TN · 10,562 people · Surface Water LUTTRELL-BLAINE-CORRYTON U.D. LUTTRELL, TN · 10,529 people · Surface Water MUNFORD WATER DEPT MUNFORD, TN · 10,434 people · Groundwater BEAN STATION UTILITY DISTRICT BEAN STATION, TN · 10,378 people · Surface Water Purchased ALGOOD WATER SYSTEM ALGOOD, TN · 10,042 people · Surface Water Purchased ARTHUR-SHAWANEE UTILITY DISTRICT NEW TAZEWELL, TN · 10,037 people · Surface Water O'CONNOR UTILITY DISTRICT SPARTA, TN · 10,025 people · Surface Water Purchased CAMDEN WATER DEPT CAMDEN, TN · 10,013 people · Surface Water ADAMSVILLE WATER SYSTEM ADAMSVILLE, TN · 9,985 people · Groundwater DANDRIDGE WATER MGMT FACILITY DANDRIDGE, TN · 9,931 people · Surface Water Purchased HUMBOLDT UTILITIES-WATER DEPT HUMBOLDT, TN · 9,908 people · Groundwater DUNLAP WATER SYSTEM DUNLAP, TN · 9,782 people · Surface Water JEFFERSON CITY W&S COMM JEFFERSON CITY, TN · 9,764 people · Surface Water JASPER WATER DEPT JASPER, TN · 9,702 people · Surface Water LINDEN WATER DEPT LINDEN, TN · 9,568 people · Surface Water MOUNTAIN CITY WATER DEPT MOUNTAIN CITY, TN · 9,304 people · Surface Water WAVERLY WATER DEPARTMENT WAVERLY, TN · 9,270 people · Surface Water WALDEN'S RIDGE U.D. SIGNAL MOUNTAIN, TN · 9,265 people · Surface Water Purchased LAUDERDALE CO WATER SYSTEM RIPLEY, TN · 9,254 people · Groundwater SECOND SOUTH CHEATHAM U.D. KINGSTON SPRINGS, TN · 9,243 people · Surface Water GREENBRIER WATER & SEWER DEPT GREENBRIER, TN · 9,230 people · Surface Water Purchased BIG CREEK UTILITY DISTRICT ALTAMONT, TN · 9,211 people · Surface Water ATOKA WATER SYSTEM ATOKA, TN · 9,197 people · Groundwater Purchased ASHLAND CITY WATER DEPARTMENT ASHLAND CITY, TN · 9,173 people · Surface Water FIRST U.D. OF CARTER COUNTY ELIZABETHTON, TN · 9,143 people · GWUDI FIRST U.D. OF TIPTON COUNTY COVINGTON, TN · 9,017 people · Groundwater COOKEVILLE BOAT DOCK RD U.D. COOKEVILLE, TN · 8,966 people · Surface Water Purchased MILLINGTON WATER DEPT MILLINGTON, TN · 8,935 people · Groundwater HENDERSON WATER DEPT JACKSON, TN · 8,924 people · Groundwater MOUNT PLEASANT WATER SYS #1 MOUNT PLEASANT, TN · 8,914 people · GWUDI SMITH UTILITY DISTRICT CARTHAGE, TN · 8,913 people · Surface Water GATLINBURG WATER DEPT GATLINBURG, TN · 8,877 people · Surface Water BYRDSTOWN WATER DEPARTMENT BYRDSTOWN, TN · 8,658 people · Surface Water WEST OVERTON UTILITY DISTRICT RICKMAN, TN · 8,628 people · Surface Water Purchased COUNTY WIDE UTILITY DISTRICT ALAMO, TN · 8,528 people · Groundwater CROSS ANCHOR UTILITY DISTRICT GREENEVILLE, TN · 8,449 people · Surface Water Purchased OLD KNOXVILLE HWY U.D. MOHAWK, TN · 8,296 people · Surface Water Purchased ERIN WATER DEPARTMENT ERIN, TN · 8,239 people · Surface Water DEWHITE UTILITY DISTRICT SPARTA, TN · 8,219 people · Surface Water Purchased NEWBERN WATER DEPT NEWBERN, TN · 8,098 people · Groundwater RIPLEY WATER SYSTEM RIPLEY, TN · 8,030 people · Groundwater MINOR HILL WATER U.D. MINOR HILL, TN · 8,021 people · Surface Water Purchased MAYNARDVILLE WATER DEPT MAYNARDVILLE, TN · 7,940 people · Surface Water Purchased BANGHAM UTILITY DISTRICT COOKEVILLE, TN · 7,906 people · Surface Water Purchased METRO LYNCHBURG/MOORE CO U.D. #1 LYNCHBURG, TN · 7,895 people · Surface Water TN AMERICAN - SEQUATCHIE VALLEY CHATTANOOGA, TN · 7,842 people · Surface Water BAXTER WATER DEPARTMENT BAXTER, TN · 7,781 people · Surface Water Purchased TELLICO PLAINS WATER DEPT TELLICO PLAINS, TN · 7,759 people · Groundwater SIGNAL MOUNTAIN WATER SYSTEM SIGNAL MOUNTAIN, TN · 7,714 people · Surface Water Purchased SOUTH FORK UTILITY DISTRICT BRISTOL, TN · 7,645 people · Surface Water Purchased FIRST U.D. OF HARDIN COUNTY COUNCE, TN · 7,388 people · Surface Water SOUTH PITTSBURG WATER SYSTEM SOUTH PITTSBURG, TN · 7,304 people · Surface Water SMITHVILLE WATER SYSTEM SMITHVILLE, TN · 7,049 people · Surface Water FAIRVIEW UTILITY DISTRICT PULASKI, TN · 7,036 people · Surface Water Purchased NSA - MIDSOUTH MILLINGTON, TN · 7,000 people · Groundwater SOUTH GILES UTILITY DISTRICT MINOR HILL, TN · 6,985 people · Surface Water Purchased CENTER GROVE-WINCHESTER SPRINGS ESTILL SPRINGS, TN · 6,916 people · GWUDI SYLVIA-TN CITY-POND U.D. DICKSON, TN · 6,738 people · Surface Water Purchased DOUBLE SPRINGS U.D. COOKEVILLE, TN · 6,567 people · Surface Water Purchased UNION FORK-BAKEWELL U.D. BAKEWELL, TN · 6,464 people · Groundwater DECATUR WATER DEPT DECATUR, TN · 6,451 people · GWUDI WESTMORELAND WATER SYSTEM WESTMORELAND, TN · 6,330 people · Surface Water Purchased BRISTOL-BLUFF CITY U.D. COOKEVILLE, TN · 6,268 people · Surface Water BOLIVAR WATER SYSTEM BOLIVAR, TN · 6,251 people · Groundwater SOUTH ELIZABETHTON U.D. ELIZABETHTON, TN · 6,244 people · Surface Water Purchased OLD GAINESBORO ROAD U.D. COOKEVILLE, TN · 6,214 people · Surface Water Purchased SEVIER COUNTY WATER DEPARTMENT SEVIERVILLE, TN · 6,194 people · Surface Water Purchased HUNTINGDON WATER DEPT HUNTINGDON, TN · 6,167 people · Groundwater RED BOILING SPRINGS W.S. RED BOILING SPRINGS, TN · 6,050 people · Surface Water Purchased WARREN COUNTY UTIL DIST #2 MCMINNVILLE, TN · 6,022 people · Surface Water NORTH STEWART UTILITY DISTRICT DOVER, TN · 5,983 people · Surface Water SEWANEE UTILITY DISTRICT SEWANNEE, TN · 5,970 people · Surface Water WEST ROBERTSON WATER AUTHORITY ADAMS, TN · 5,915 people · Surface Water WITT UTILITY DISTRICT MORRISTOWN, TN · 5,771 people · Surface Water NEW MARKET UTILITY DISTRICT NEW MARKET, TN · 5,703 people · Surface Water Purchased TRACY CITY WATER SYSTEM TRACY CITY, TN · 5,692 people · Surface Water WEST CUMBERLAND U.D. PLEASANT HILL, TN · 5,659 people · Surface Water Purchased NORTH GREENE UTILITIES, INC. GREENEVILLE, TN · 5,604 people · Surface Water SUMMERTOWN UTILITY DISTRICT SUMMERTOWN, TN · 5,593 people · Groundwater CELINA WATER SYSTEM CELINA, TN · 5,510 people · Surface Water MCKENZIE WATER DEPT MCKENZIE, TN · 5,495 people · Groundwater PIKEVILLE WATER SYSTEM PIKEVILLE, TN · 5,486 people · GWUDI FRIENDSVILLE WATER WORKS FRIENDSVILLE, TN · 5,437 people · Surface Water Purchased FALL CREEK FALLS U.D. PIKEVILLE, TN · 5,434 people · Surface Water OLIVER SPRINGS WATER BOARD OAK RIDGE, TN · 5,361 people · Surface Water Purchased WAYNESBORO WATER SYSTEM WAYNESBORO, TN · 5,354 people · Surface Water QUEBECK WALLING U.D. SPARTA, TN · 5,349 people · Surface Water Purchased ROANE CENTRAL UTILITY DISTRICT HARRIMAN, TN · 5,317 people · Surface Water Purchased HALLS WATER SYSTEM HALLS, TN · 5,287 people · Groundwater NORTHEAST HENRY COUNTY U.D. SPRINGVILLE, TN · 5,155 people · Groundwater TRENTON WATER SYSTEM TRENTON, TN · 5,155 people · Groundwater MONTEREY WATER DEPT MONTEREY, TN · 5,072 people · Surface Water JELLICO UTILITIES AUTHORITY JELLICO, TN · 5,056 people · Surface Water SOMERVILLE WATER SYSTEM SOMERVILLE, TN · 5,020 people · Groundwater PERSIA UTILITY DISTRICT ROGERSVILLE, TN · 4,966 people · Surface Water DECHERD WATER DEPT DECHERD, TN · 4,809 people · GWUDI LEOMA UTILITY DISTRICT LEOMA, TN · 4,808 people · Groundwater LORETTO WATER DEPARTMENT LORETTO, TN · 4,773 people · GWUDI LOBELVILLE WATER DEPT LOBELVILLE, TN · 4,752 people · Surface Water NORTH OVERTON UTILITY DISTRICT ALLONS, TN · 4,729 people · Surface Water Purchased SCOTTS HILL WATER SYSTEM SCOTTS HILL, TN · 4,579 people · Groundwater BON DE CROFT UTILITY DISTRICT SPARTA, TN · 4,577 people · Surface Water UNICOI UTILITY DISTRICT UNICOI, TN · 4,527 people NORTHWEST CLAY COUNTY UTILITY MOSS, TN · 4,437 people · Surface Water SOUTH SIDE U.D. #1 GORDONSVILLE, TN · 4,431 people · Surface Water Purchased ESTILL SPRINGS WATER DEPT ESTILL SPRINGS, TN · 4,317 people · GWUDI PARSONS WATER DEPARTMENT PARSONS, TN · 4,303 people · Surface Water MONTEAGLE PUBLIC UTILITY BOARD MONTEAGLE, TN · 4,179 people · Surface Water WHITE PINE WATER SYSTEM WHITE PINE, TN · 4,171 people · GWUDI TENNESSEE RIDGE WATER SYSTEM TENNESSEE RIDGE, TN · 4,169 people · Groundwater CLIFTON WATER DEPT CLIFTON, TN · 4,110 people · Surface Water

Tennessee Drinking Water: Frequently Asked Questions

Is Tennessee tap water safe to drink?

Tennessee has 446 community water systems regulated by the EPA serving a combined 7,854,510 people. Water quality varies by system — search above to find your specific utility and see its violation history, lead test results, and safety grade.

How many water systems are in Tennessee?

There are 446 EPA-regulated community water systems in Tennessee serving a combined 7,854,510 people. Each system is required to test for over 90 contaminants and publicly report any violations.

Does Tennessee have PFAS in its drinking water?

PFAS (forever chemicals) have been detected in water systems across the country, including Tennessee. The EPA finalized enforceable PFAS limits in 2024. Search for your specific water system above to see if PFAS were detected and whether levels exceed the new federal limits.

EPA data last updated: 2026-07-12