TVA Section 26a Permits on Lake Guntersville: The Plain-English Guide
Why TVA is in charge of your dock
Guntersville is the mainstem Tennessee River impounded behind Guntersville Dam, and the Tennessee Valley Authority regulates obstructions on its reservoirs for navigation and flood control. Practically, that means the permitting authority for your dock isn't the City of Guntersville, Marshall County, or Jackson County — it's TVA, through what everyone on the lake just calls “a 26a.” TVA also owns land or holds rights along much of the shoreline, so the strip between your lot line and the water frequently isn't yours to alter without approval either — including vegetation removal on TVA land, which needs its own written approval.
What needs a permit — and what doesn't
| Situation | 26a permit needed? |
|---|---|
| In-kind repair of a permitted dock (same size, same configuration) | Generally no — keep it exactly as permitted |
| Enlarging, reconfiguring, or adding to a dock or boathouse | Yes, before work begins |
| New dock, boathouse, seawall, ramp, or shoreline stabilization | Yes |
| Buying a lakefront property with an existing permitted dock | Yes — request a transfer of ownership on the permit |
| Adding a roof or enclosure to a dock's second story | Not permittable — second stories may be open decks with railing only |
| Trimming or removing vegetation on TVA land | Yes — written TVA approval always required |
The size rules in one paragraph
Residential water-use facilities — your dock, slips, and boathouse together — must fit inside a 1,000 square-foot rectangular envelope at the lake end of your access walkway. Properties in qualifying pre–November 1, 1999 developments get 1,800 square feet. The access walkway doesn't count against the footprint. Reach is capped at 150 feet from shore or one-third the distance to the opposite shoreline, whichever is less — the one-third rule is the binding one in Guntersville's sloughs and creek arms like South Sauty.
How the application actually goes
- Check what your shoreline allows. TVA zones its shoreline; what's approvable varies by location and by the land rights TVA holds on your stretch. This is the “before you spend a dollar” step.
- Drawings. Every proposed facility needs a drawing; TVA publishes downloadable examples for common docks and boathouses.
- Apply online. Since October 1, 2025, TVA accepts Section 26a applications only through its online system. Standard application fee: $1,000 as of early 2025 (larger projects can carry additional cost-recovery fees).
- Project lead and site visit. TVA assigns a project lead and usually visits the site as part of review. Other approvals — U.S. Army Corps of Engineers and Alabama (ADEM) water-quality certification where applicable — ride along with the same process.
- Wait, then build exactly what was approved. TVA aims for about 100 days on minor facilities; incomplete applications and sensitive-resource reviews stretch it. Build to the approved drawings — TVA compares the permit to what's on the water, and mismatches are the classic problem discovered at resale.
The trap that catches lake home buyers
Permits don't transfer automatically when property sells. TVA requires the new owner to request a transfer of the existing permit, and only compliant structures — built exactly as previously approved — qualify. Buying a place with an oversized deck or an enclosed second story means inheriting the compliance problem. Before closing on Guntersville waterfront, get the 26a permit from the seller (or from TVA's Public Land Information Center at 800-882-5263) and walk the dock against it. This is also the first thing checked in a repair assessment on a newly purchased property.
Rules, fees, and timelines above reflect TVA's published information as of mid-2026 and can change — confirm current requirements with TVA before applying. This guide is practical orientation, not legal advice.
Frequently asked questions
Do I need a TVA permit just to replace rotten deck boards?
No — maintenance and in-kind repair that keeps the dock exactly as permitted is generally fine. The moment the repair becomes a change in size, height, or configuration, it needs approval first.
How much is a 26a permit on Lake Guntersville?
The standard TVA application fee is $1,000 as of early 2025. Larger or more complex projects can require additional cost-recovery fees, and any required state or Corps approvals are separate processes.
How long does TVA approval take?
TVA states a goal of roughly 100 days for minor residential facilities, with published caveats that reviews can extend to 120 days or longer for incomplete applications or sensitive sites. Plan a season ahead.
Who do I call at TVA with questions?
TVA's Public Land Information Center: 800-882-5263. They can also pull the existing 26a permit for a property, which every buyer of Guntersville waterfront should do before closing.
My dock was built decades ago. Is it grandfathered?
Structures TVA permitted before the November 1999 Shoreline Management Policy are grandfathered only if built and maintained in compliance with that original permit — and a change of ownership still requires a permit transfer.