State Hub
Tennessee Water Quality
403
Utilities in database
7.8M
Residents served
0
With open violations
275
PFAS monitored
Quick Answer
Tennessee public drinking water is served by 403 EPA-tracked water systems, providing service to approximately 7.8 million residents through public utilities. No open health-based violations are currently recorded across tracked systems in the EPA federal database. 275 systems have official PFAS monitoring records from the EPA UCMR 5 program (2023–2025). About 22% of TN residents use private wells, which fall outside federal utility compliance monitoring.
No open health-based violations are currently recorded in the EPA SDWIS database for Tennessee's tracked water systems. Always verify with your utility's Consumer Confidence Report for annual test results.
Drinking Water in Tennessee
Tennessee has 403 community water systems serving approximately 7.8 million residents. Primary water sources include surface water. The most commonly reported contaminants include disinfection byproducts, nitrates. 22% of Tennessee residents rely on private wells. TDEC holds primary enforcement authority under the Safe Drinking Water Act.
Safest Large Utilities
Tennessee systems with no open health violations serving 10,000+ residents.
Utilities in Tennessee
226–250 of 403Quebeck Walling U.d.
TN0000569 · 5,349 served
Roane Central Utility District
TN0000457 · 5,317 served
Halls Water System
TN0000279 · 5,287 served
Northeast Henry County U.d.
TN0000540 · 5,155 served
Trenton Water System
TN0000707 · 5,155 served
Monterey Water Dept
TN0000471 · 5,072 served
Jellico Utilities Authority
TN0000330 · 5,056 served
Somerville Water System
TN0000641 · 5,020 served
Persia Utility District
TN0000594 · 4,966 served
Decherd Water Dept
TN0000187 · 4,809 served
Leoma Utility District
TN0000399 · 4,808 served
Loretto Water Department
TN0000408 · 4,773 served
Lobelville Water Dept
TN0000406 · 4,752 served
North Overton Utility District
TN0000013 · 4,729 served
Scotts Hill Water System
TN0000614 · 4,579 served
Bon De Croft Utility District
TN0000653 · 4,577 served
Unicoi Utility District
TN0000719 · 4,527 served
Northwest Clay County Utility
TN0000573 · 4,437 served
South Side U.d. #1
TN0000904 · 4,431 served
Estill Springs Water Dept
TN0000232 · 4,317 served
Parsons Water Department
TN0000541 · 4,303 served
Monteagle Public Utility Board
TN0000470 · 4,179 served
White Pine Water System
TN0000746 · 4,171 served
Tennessee Ridge Water System
TN0000698 · 4,169 served
Clifton Water Dept
TN0000119 · 4,110 served
Key Contaminant Concerns in Tennessee
These contaminants appear most frequently in Tennessee utility records or pose elevated risk in this region based on EPA data.
Nitrates
Nitrate (NO₃⁻) is a nitrogen-containing compound that forms naturally through the decomposition of organic matter. At elevated concentrations — almost always caused by human activity — nitrate is converted in the digestive system to nitrite, which then reacts with hemoglobin to form methemoglobin, a form of hemoglobin that cannot carry oxygen. In the body, nitrite also reacts with amines in food to form N-nitroso compounds (nitrosamines) — known carcinogens classified by the IARC as Group 2A (probable human carcinogens). The United States applies over 23 million tons of nitrogen fertilizer annually, making agricultural runoff the dominant source of nitrate contamination in U.S. groundwater.
EPA limit: 10 mg/L
DBPs
When utilities add chlorine to water to kill pathogens, it reacts with dissolved organic matter — leaves, algae, soil — to produce disinfection byproducts (DBPs). Over 600 DBPs have been identified. The EPA regulates two groups: total trihalomethanes (TTHMs, including chloroform) and haloacetic acids (HAA5). DBP levels tend to be highest in surface water systems and in warm months when organic matter is elevated.
EPA limit: 80 µg/L (TTHMs) / 60 µg/L (HAA5)
City Water Reports in Tennessee
Tap water quality pages for Tennessee cities — violations, PFAS records, utility profiles, and official source links.
Independent Water Testing
Find a certified lab in Tennessee
Utility compliance records show what water systems report to the EPA. An independent test from a certified laboratory confirms what's actually in your tap water. Tennessee labs can test for PFAS, lead, nitrates, bacteria, and dozens of other contaminants.
Explore Water Quality in Tennessee
Quebeck Walling U.d.
Violation history, PFAS records, and official source links
Roane Central Utility District
Violation history, PFAS records, and official source links
Halls Water System
Violation history, PFAS records, and official source links
PFAS monitoring records — Tennessee
275 water systems in Tennessee with EPA UCMR 5 records
Lead in Tennessee drinking water
State-specific lead data, violation utilities, and testing guidance
PFAS in Tennessee drinking water
State-specific PFAS data, MCL context, and treatment options
Certified water testing labs in Tennessee
Labs certified for PFAS (EPA 533/537.1), lead, and bacteria testing
Water treatment options
Reverse osmosis, activated carbon, and filtration guides with cost ranges
Data sources and methodology
How WaterUtilityReport.com sources and validates official EPA data
Common Questions About Tennessee Drinking Water
Does Tennessee drinking water have PFAS?
275 Tennessee water systems have EPA UCMR 5 PFAS monitoring records (2023–2025)
Which Tennessee water utilities have open violations?
Browse Tennessee utility compliance records and violation history
How do I test my water in Tennessee?
State-certified labs for PFAS (EPA 533/537.1), lead, nitrate, and bacteria testing
What treatment removes PFAS from TN tap water?
Reverse osmosis removes PFAS, lead, arsenic, and nitrates — cost, maintenance, and NSF certification explained
What do Tennessee PFAS records tell me about my water?
EPA limits, health context, and what UCMR 5 detection above MRL means for your water
How is Tennessee water quality data sourced here?
EPA SDWIS violations, UCMR 5 PFAS records, and CCR data — sources, accuracy notes, and limitations
Tennessee Water FAQs
Data sources: Utility compliance and violation data from EPA SDWIS (Safe Drinking Water Information System). PFAS monitoring records from EPA UCMR 5 (Unregulated Contaminant Monitoring Rule 5, 2023–2025). Contaminant data from EPA and ATSDR public references. This page summarizes public records — it is not a compliance determination. Methodology →
Last updated: 2026-04-19