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Tennessee: drinking water records

EPA lists 446 community water systems serving homes in Tennessee. 275 took part in EPA's national PFAS survey (UCMR 5), and 86 found at least one PFAS above the level laboratories can measure.

In focus446community water systems
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Data as of EPA UCMR 5 final release, August 2026 (file dated Aug 28, 2026) · EPA SDWIS 2026Q2 (file dated Jul 9, 2026). How we build these pages

0
ZIP reports published
446
community water systems
92
systems with a health-based violation since 2016
16
systems that reached the lead action level since 2016

PFAS in EPA’s final survey

86 of the 275 Tennessee systems in EPA’s national PFAS survey found at least one PFAS, and 17 had a PFOA or PFOS yearly average at or above EPA’s limit. See Tennessee’s PFAS results by system and compound.

Counties

ZIP reports

Beyond the Tennessee overview

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PFASTennessee PFAS resultsWhich Tennessee systems found PFAS in EPA’s final survey, and which compounds turned up most often.LeadLead in drinking waterHow EPA’s lead records work and what the action level means for your home’s pipes.Your utilityFind your annual water reportConfirm the supplier on your bill, then read its Consumer Confidence Report for local results.
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Sources

EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Database prepared 2026-09-03.

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