Tennessee Drinking Water Compliance Records
446 water systems serving 7,875,875 people. 4,163 historical EPA violation records in the Q2 2026 snapshot.
TapScore Compliance-History Grades
A
417
93%
B
16
4%
C
8
2%
D
3
1%
F
2
0%
446
Water Systems
7,875,875
Population Served
4,163
Historical Records
827
Health-Based (All Years)
Systems With the Most Recent EPA Records
WARREN COUNTY U.D. #2
6,022 served85 historical records25 recent
F
DEERFIELD WATER SYSTEM, LLC
1,299 served179 historical records15 recent
C
BEDFORD COUNTY U.D.
22,908 served25 historical records8 recent
F
SIAM UTILITY DISTRICT
3,319 served20 historical records8 recent
C
PETERS HOLLOW WATER SYSTEM
196 served54 historical records7 recent
C
FRANKLIN WATER DEPT
77,222 served78 historical records5 recent
D
LINDEN WATER DEPT
9,568 served9 historical records4 recent
C
HARTSVILLE-TROUSDALE W&S U.D.
10,562 served11 historical records3 recent
D
CUMBERLAND GAP WATER SERVICES
340 served13 historical records3 recent
C
MAYNARDVILLE WATER DEPT
7,940 served19 historical records3 recent
C
Large Systems With No Recent Records
METRO WATER SERVICES
778,153 served1 historical record
A
MEMPHIS LIGHT, GAS, & WATER
659,500 served0 historical records
A
KNOXVILLE UTILITIES BOARD - KUB
254,671 served15 historical records
A
CLARKSVILLE WATER DEPARTMENT
251,864 served0 historical records
A
CONSOLIDATED U.D. OF RUTHERFORD CO
221,871 served5 historical records
A
TENNESSEE AMERICAN WATER
207,046 served0 historical records
A
WHITE HOUSE UTILITY DISTRICT
130,411 served4 historical records
A
FIRST U.D. OF KNOX COUNTY
115,531 served22 historical records
A
MURFREESBORO WATER DEPARTMENT
114,331 served1 historical record
A
KINGSPORT WATER DEPT
107,739 served2 historical records
A
Largest Water Systems in Tennessee
| Water System | Grade | Population | Historical Records |
|---|---|---|---|
| METRO WATER SERVICES | A | 778,153 | 1 |
| MEMPHIS LIGHT, GAS, & WATER | A | 659,500 | 0 |
| KNOXVILLE UTILITIES BOARD - KUB | A | 254,671 | 15 |
| CLARKSVILLE WATER DEPARTMENT | A | 251,864 | 0 |
| CONSOLIDATED U.D. OF RUTHERFORD CO | A | 221,871 | 5 |
| TENNESSEE AMERICAN WATER | A | 207,046 | 0 |
| WHITE HOUSE UTILITY DISTRICT | A | 130,411 | 4 |
| FIRST U.D. OF KNOX COUNTY | A | 115,531 | 22 |
| MURFREESBORO WATER DEPARTMENT | A | 114,331 | 1 |
| KINGSPORT WATER DEPT | A | 107,739 | 2 |
| JOHNSON CITY WATER DEPT | A | 105,057 | 15 |
| CLEVELAND UTILITIES | A | 95,087 | 2 |
| JACKSON WATER SYSTEM | A | 91,111 | 1 |
| WEST WILSON UTILITY DISTRICT | A | 86,978 | 1 |
| COLUMBIA POWER AND WATER SYSTEMS | A | 84,617 | 4 |
| HALLSDALE-POWELL U.D. | A | 84,315 | 10 |
| MADISON SUBURBAN U.D. | A | 81,203 | 3 |
| WEST KNOX UTILITY DISTRICT | A | 77,825 | 2 |
| FRANKLIN WATER DEPT | D | 77,222 | 78 |
| WATER AUTH OF DICKSON COUNTY | A | 68,675 | 1 |
Contaminants in Tennessee
Lead in TennesseeArsenic in TennesseeNitrate in TennesseeFluoride in TennesseePFOS in TennesseePFOA in TennesseeTHMs in TennesseeHAA5 in Tennessee
Cities in Tennessee
NASHVILLE(2)MEMPHIS(1)KNOXVILLE(7)MURFREESBORO(2)CLARKSVILLE(5)CHATTANOOGA(6)HENDERSONVILLE(2)FRANKLIN(4)MARYVILLE(3)WHITE HOUSE(1)KINGSPORT(2)LEBANON(5)CLEVELAND(3)COLUMBIA(2)JOHNSON CITY(1)JACKSON(4)MOUNT JULIET(1)MT. JULIET(1)COOKEVILLE(6)MADISON(1)FRANKLIN PIKE(1)DICKSON(2)CROSSVILLE(4)GREENEVILLE(5)HIXSON(1)GALLATIN(1)SPRING HILL(1)SEVIERVILLE(7)SMYRNA(1)SHELBYVILLE(3)BARTLETT(1)MCMINNVILLE(3)BRISTOL(4)ELIZABETHTON(7)COLLIERVILLE(1)HARRIMAN(4)OAK RIDGE(2)SPRINGFIELD(1)MORRISTOWN(2)CLINTON(2)FT. CAMPBELL(1)FAYETTEVILLE(3)SPARTA(5)LAVERGNE(1)LEWISBURG(2)GERMANTOWN(1)MANCHESTER(4)DANDRIDGE(2)ALCOA(1)NEWPORT(1)LENOIR CITY(1)NOLENSVILLE(1)JONESBOROUGH(1)BRENTWOOD(2)KINGSTON(3)TULLAHOMA(2)GEORGETOWN(1)MUNFORD(2)LOUDON(2)LAWRENCEBURG(3)LAFOLLETTE(2)LA FOLLETTE(2)ATOKA(2)CORRYTON(1)NEW TAZEWELL(3)LAKE CITY(2)DYERSBURG(3)LEXINGTON(2)ATHENS(1)SMITHVILLE(3)PORTLAND(1)DAYTON(2)WINCHESTER(2)ROGERSVILLE(5)COVINGTON(2)SELMER(2)LAFAYETTE(1)SODDY-DAISY(2)OCOEE(1)ETOWAH(3)SAVANNAH(3)SODDY DAISY(1)RUSSELLVILLE(1)CHURCH HILL(1)JAMESTOWN(2)GLADEVILLE(1)PLEASANT VIEW(1)TALBOTT(1)SMARTT(1)MORRISON(1)PULASKI(2)SIGNAL MOUNTAIN(3)RIPLEY(2)PARIS(3)UNION CITY(1)MILLINGTON(2)LIVINGSTON(1)BLOUNTVILLE(1)MADISONVILLE(2)TRENTON(5)