Ask Dock.AI · Tennessee (TN)
Tennessee dock permits: who actually issues yours
Waterfront permitting in Tennessee is not one rule. Here is the authority that controls the permit, what rides along with it, and the official source — before you build anything.
Primary permit gate
TVA Section 26a on most major residential reservoir projects; TDEC ARAP as secondary environmental review where triggered
State program
State riderTennessee Department of Environment and Conservation — ARAP / §401
What triggers it
Physical alterations to streams, rivers, lakes and wetlands can require ARAP and/or §401 certification.
Watch for this in Tennessee
Most major residential reservoirs are TVA Section 26a. The state ARAP is a secondary environmental review where triggered.
The state program rides on a federal or lake-operator approval. It is not a standalone dock permit. Lake operators that can be the real gate here: TVA.
Layers that can apply
- Town or county — local zoning, shoreland and building permits.
- Waterbody owner or operator — reservoirs, utility lakes, river authorities and lake associations.
- State — Tennessee Department of Environment and Conservation (Aquatic Resource Alteration Permit (ARAP)).
- Federal — Army Corps of Engineers, see below.
Federal layer (applies in every state)
- Rivers and Harbors Act §10 — a structure in, over or under navigable waters of the United States needs Army Corps authorization unless a general or nationwide permit covers it.
- Clean Water Act §404 — placing fill or dredged material in waters of the United States needs Corps authorization (Michigan and New Jersey run this program in certain waters).
- 2026 Nationwide Permits — effective March 15, 2026. Some docks qualify, sometimes with a pre-construction notice. Regional conditions apply.
- Clean Water Act §401 — a state water-quality certification that rides on a federal permit. It is not a dock permit by itself.
Sources: USACE Regulatory Request System · EPA — CWA §401 · USACE Nationwide Permits · Last verified 2026-09-14
Contact the permit office
- Tennessee Valley Authority - Public Land Information Center (Section 26a)
Phone 1-800-882-5263 · Email [email protected] · Source - TDEC Division of Water Resources - ARAP permits (central office, Nashville)
Phone (888) 891-8332 · Email [email protected] · Source
Contacts read on each office's official site · verified 2026-10-30. Call before you design: many offices route dock questions by region or by lake.
Official sources
Tennessee Department of Environment and Conservation — tn.gov · Last verified 2026-09-14
Questions? Call 207-600-2705.
Preliminary regulatory path. Ask Dock.AI is an information tool, not a permitting authority. Rules change and every waterbody has its own owner and wrinkles. Confirm your project with the listed authority before you build. You pull your own permit; we show you the path. Ask Dock.AI is powered by Alummikon — engineered aluminum docks, stairs and waterfront access, built in Maine.