Tennessee tap water quality
445 community water systems serving 7.9 million people.
Data: U.S. EPA · How we read the data · How we check it
17
systems with PFAS above a federal limit
344,152
people served by them
275
systems EPA tested for PFAS
0
systems above the lead action level
PFAS: EPA's 2023–2025 testing. Lead: results from the last five years.
Water systems with PFAS above the federal limit
Based on EPA's UCMR 5 results (2023–2025) compared to the April 2024 limits, the way EPA compares them. Systems have until 2029 to comply. Largest first.
- Jackson Water System91,111 people · Groundwater · TennesseePFOS above limitAlso: PFHxS detected
- Fort Campbell Water System43,270 people · Surface water · TennesseePFOA above limitAlso: PFOS above limit · PFHxS above limit · PFAS Hazard Index above limit
- Shelbyville Water System36,813 people · Surface water · TennesseePFOA above limitAlso: PFOS above limit
- Tullahoma Utilities Authority30,958 people · Purchased surface water · TennesseePFOA above limitAlso: PFOS detected
- Savannah Valley Utility District30,571 people · Groundwater under influence of surface water · TennesseePFOA above limitAlso: PFOS above limit · PFHxS detected
- Manchester Water Department24,975 people · Purchased surface water · TennesseePFOA above limitAlso: PFOS detected
- Savannah Utility Department19,495 people · Groundwater · TennesseePFOS above limit
- Erwin Utilities Authority12,478 people · Groundwater under influence of surface water · TennesseePFOS above limitAlso: PFOA detected · PFHxS detected · Lithium above screening level
- Hillsville Utility District11,325 people · Purchased surface water · TennesseePFOA above limitAlso: PFOS above limit
- Camden Water Dept10,013 people · Surface water · TennesseePFOA above limitAlso: PFOS above limit · PFHxS detected
- First Utility District of Hardin County7,602 people · Surface water · TennesseePFOA above limitAlso: PFOS above limit · Total trihalomethanes (TTHM) violation · PFHxS detected
- Trenton Water System5,155 people · Groundwater · TennesseePFOS above limitAlso: PFHxS detected
- Scotts Hill Water System4,579 people · Groundwater · TennesseePFOS above limitAlso: PFOA detected · Lithium above screening level
- Parsons Water Department4,303 people · Surface water · TennesseePFOA above limitAlso: PFOS above limit
- Clifton Water Dept4,110 people · Surface water · TennesseePFOA above limitAlso: PFOS above limit · Total trihalomethanes (TTHM) violations · Haloacetic acids (HAA5) violation
- North U.dep. of Decatur/Benton County Water System3,818 people · Surface water · TennesseePFOA above limitAlso: PFOS above limit
- Wartrace Water System3,576 people · Purchased surface water · TennesseePFOA above limitAlso: PFOS above limit
Tennessee PFAS report: chart, rankings and data to download →
Largest water systems in Tennessee
- Metro Water Services789,969 people · Surface water · TennesseeNo PFAS above limits
- Memphis Light, Gas, & Water659,500 people · Groundwater · TennesseeNo PFAS above limits
- Knoxville Utilities Board – KUB254,671 people · Surface water · TennesseeNo PFAS above limits
- Clarksville Water Department251,864 people · Surface water · TennesseeNo PFAS above limits
- Consolidated Utility District of Rutherford County221,871 people · Surface water · TennesseeNo PFAS above limitsAlso: 1 health-based violation since 2016
- Tennessee American Water207,046 people · Surface water · TennesseeNo PFAS above limits
- White House Utility District130,411 people · Surface water · TennesseeNo PFAS above limits
- First Utility District of Knox County115,531 people · Surface water · TennesseeNo PFAS above limits
- Murfreesboro Water Department114,331 people · Surface water · TennesseeColiform bacteria violationAlso: PFOA detected
- Kingsport Water Dept107,739 people · Surface water · TennesseePFOS detectedAlso: Lithium above screening level
- Johnson City Water Dept105,057 people · Surface water · TennesseeNo PFAS above limits
- Cleveland Utilities95,087 people · Surface water · TennesseeNo PFAS above limits
- Jackson Water System91,111 people · Groundwater · TennesseePFOS above limitAlso: PFHxS detected
- West Wilson Utility District86,978 people · Surface water · TennesseeNo PFAS above limits
- Columbia Power and Water Systems84,617 people · Surface water · TennesseeNo PFAS above limits
Tennessee cities and towns
- Bartlett
- Brentwood
- Bristol
- Chattanooga
- Clarksville
- Cleveland
- Collierville
- Columbia
- Cookeville
- Franklin
- Gallatin
- Germantown
- Hendersonville
- Jackson
- Johnson City
- Kingsport
- Knoxville
- La Vergne
- Lebanon
- Maryville
- Memphis
- Morristown
- Mount Juliet
- Murfreesboro
- Nashville
- Oak Ridge
- Shelbyville
- Smyrna
- Spring Hill
Most health-based violations since 2016
- Warren County Utility District #25,611 people · Surface water · TennesseeHaloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violations · Coliform bacteria violation
- Jackson County Utility District #33,917 people · Purchased surface water · TennesseeTotal trihalomethanes (TTHM) violationsAlso: Haloacetic acids (HAA5) violations
- Tracy City Water System5,692 people · Surface water · TennesseeHaloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violations
- Byrdstown Water Department8,658 people · Surface water · TennesseeHaloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violation
- Clifton Water Dept4,110 people · Surface water · TennesseePFOA above limitAlso: PFOS above limit · Total trihalomethanes (TTHM) violations · Haloacetic acids (HAA5) violation
- Bedford County Utility District23,641 people · Surface water · TennesseeHaloacetic acids (HAA5) violationsAlso: PFOA detected · PFOS detected
- River Landing Condominium Association52 people · Groundwater under influence of surface water · TennesseeNot in EPA's PFAS sampleAlso: 12 health-based violations since 2016
- South Giles Utility District6,985 people · Purchased surface water · TennesseeHaloacetic acids (HAA5) violations
- Oneida Water and Sewer Commission11,600 people · Surface water · TennesseeHaloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violations
- Rogersville Water Dept13,729 people · Surface water · TennesseeHaloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violations
- Franklin Water Dept77,222 people · Surface water · TennesseeTotal trihalomethanes (TTHM) violations
- Woodlawn Utility District12,714 people · Surface water · TennesseeHaloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violations
- Northwest Clay County Utility4,437 people · Surface water · TennesseeHaloacetic acids (HAA5) violations
- North Stewart Utility District6,096 people · Surface water · TennesseeHaloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violation
- Hartsville-Trousdale Water & Sewer Utility District10,562 people · Surface water · TennesseeTotal trihalomethanes (TTHM) violationsAlso: Haloacetic acids (HAA5) violations
All Tennessee utilities on this site
Every Tennessee system serving 50,000+ people or with PFAS above a federal limit, A to Z. Download all 445 systems as CSV.
- Bartlett Water System
- Camden Water Dept
- City of Maryville Water & Sewer Dept
- Clarksville Water Department
- Cleveland Utilities
- Clifton Water Dept
- Collierville Water Dept
- Columbia Power and Water Systems
- Consolidated Utility District of Rutherford County
- Eastside Utility District
- Erwin Utilities Authority
- First Utility District of Hardin County
- First Utility District of Knox County
- Fort Campbell Water System
- Franklin Water Dept
- Gallatin Water Department
- Hallsdale-Powell Utility District
- Harpeth Valley Utility District
- Hendersonville Utility District
- Hillsville Utility District
- Hixson Utility District
- Jackson Water System
- Johnson City Water Dept
- Kingsport Water Dept
- Knoxville Utilities Board – KUB
- Lebanon Water System
- Madison Suburban Utility District
- Manchester Water Department
- Memphis Light, Gas, & Water
- Metro Water Services
- Murfreesboro Water Department
- North U.dep. of Decatur/Benton County Water System
- Parsons Water Department
- Savannah Utility Department
- Savannah Valley Utility District
- Scotts Hill Water System
- Shelbyville Water System
- Smyrna Water System
- South Blount Utility District
- Spring Hill Water Dept
- Tennessee American Water
- Trenton Water System
- Tullahoma Utilities Authority
- Wartrace Water System
- Water Auth of Dickson County
- West Knox Utility District
- West Wilson Utility District
- White House Utility District
Questions
Does Tennessee tap water have PFAS?
EPA tested 275 community water systems in Tennessee for 29 PFAS between 2023 and 2025. 38 had at least one regulated PFAS detected, and 17 had an entry-point average above a 2024 federal limit. Those 17 systems serve about 344,152 people (4% of people on community water in Tennessee). Systems have until 2029 to meet the limits.
How many Tennessee water systems have violations?
100 systems in Tennessee had at least one health-based violation since 2016 (374 violations in total). 361 violations are currently listed as unaddressed.
Which Tennessee water systems are over the lead action level?
0 systems had a lead 90th percentile above the 15 ppb action level in their most recent results from the last five years. Lead depends on each home's pipes, so a test of your own tap is the only way to know your level.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.