Water Quality & Forever Chemicals
Typed "is Knoxville tap water safe" late one night and ended up here? Breathe easy: this page is a plain-English summary of what public federal water records show for Knoxville, Tennessee, not a ruling on your own kitchen faucet. The part that genuinely shifts address to address is which utility serves you and which East Tennessee sources feed your line. We read the datasets so you can start from facts.
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PFAS detections in nearby water systems
EPA UCMR 5 (2021–2024) results matching the city name
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Industrial PFAS facilities in city
EPA TRI 2024 reporting
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DoD PFAS installations statewide
In Tennessee
Knoxville and much of East Tennessee tend to rely on surface water, with the Tennessee River and its tributaries doing much of the work for the region's drinking supply. Because the area leans so heavily on river water flowing through the valley rather than deep groundwater, Knoxville's water story is largely a surface-water one, though the precise source still varies by system and neighborhood.
Working out who serves a given Knoxville address starts with the system listed above, since two homes a mile apart can sit on different public water systems across Knox County and the surrounding ridges. The utility tied to your street is required to publish an annual Consumer Confidence Report, and its listed contact handles questions the city-level view can't. When evaluating an address here, that system-specific detail is worth reviewing rather than assuming the broad summary matches your tap.
Surface water like the Tennessee River, which much of the Knoxville area tends to draw on, often runs softer to moderate than deep-groundwater regions, but that's a general tendency, not a number for your home. We won't invent one. A cheap test strip reads your own tap in seconds, and your utility's annual report frequently lists hardness if you'd rather not interrogate your own coffee maker.
EPA required public water systems serving 3,300+ people to test 29 PFAS compounds between 2021 and 2024.
City-level numbers describe the broad pattern around Knoxville; two homes a mile apart can sit on different water systems with very different profiles. The address report fills that gap — it identifies the public water system serving a specific property, lists any PFAS detections on that exact system, and maps the nearby industrial and Superfund sources.
Guide
How to Check Drinking Water Quality Before Buying a Home
The 5-minute version of what an environmental consultant would look at.
Guide
PFAS “Forever Chemicals” — A Homebuyer's Guide
What PFAS are, why they matter, and what to do before closing.
How-to
How to Check for PFAS Near Your Address
A walkthrough of the federal datasets we pull from.
Checklist
Environmental Risks to Check Before Buying a House
A practical pre-offer checklist for buyers and agents.
This page summarizes what federal public records like UCMR 5 show for Knoxville, and a detection in those records is not the same as exceeding a limit. Because UCMR 5 focuses on larger systems, a quiet result means nothing turned up here, not a guarantee of clean water. The only address-level answer comes from the specific system serving that address.
Start with the system or systems listed on this page, then look up that utility's published contact details and its annual Consumer Confidence Report. Since nearby Knoxville addresses can fall under different public water systems across Knox County, the utility serving your particular street is the authority on what flows from your tap.
Knoxville and much of East Tennessee tend to rely on surface water, with the Tennessee River and its tributaries supplying much of the region's drinking water. Because the area leans so heavily on river water rather than deep groundwater, the local water story is largely a surface-water one, though specifics still vary by system.
Surface-water supplies like those much of the Knoxville area tends to use often run softer to moderate than deep-groundwater regions, but that's a general tendency rather than a figure for your address. We can't cite a number, so a test strip, or the hardness line your utility often publishes in its annual report, is the reliable way to check.
Enter an address — we'll identify the serving water utility, pull PFAS detections, FEMA flood zone, and nearby Superfund sites, then give you a plain-English A–F grade. $19.99 single, $29.99 two-address bundle.
One-time report. PFAS, water violations, Superfund sites, flood zone, air quality, and a plain-English A–F grade for the address.
More Tennessee data: Superfund sites · PFAS in Tennessee
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