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TN

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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.

Utilities in Tennessee

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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.

City Water Reports in Tennessee

Tap water quality pages for Tennessee cities — violations, PFAS records, utility profiles, and official source links.

Tennessee PFAS Watchlist — all utilities with official records

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

Common Questions About Tennessee Drinking Water

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