What Riprap Costs on Watts Bar Lake

Riprap cost on Watts Bar Lake comes down to a per-foot price times the length of bank that needs stone, plus the permits, which are cheaper than most people expect. The hard part is the per-foot number. We haven't found any published riprap prices for Watts Bar Lake or for Tennessee, so this page uses a dated national range, works it through a few common shoreline lengths, and lists every permit fee that TVA and the state publish. Where a local figure doesn't exist, you'll see [PRICE].

The national range, and why it's only a starting point

Angi's 2025 cost guide is the most specific published source we could find, and it is national, not local:

A range that runs from $70 to $400 a foot tells you how much the site matters. Local quotes vary, and a contractor's written price after walking your shoreline is the number to plan around.

The national range applied to real shoreline lengths

This is plain multiplication of Angi's per-foot range, not a local quote. It's useful for one thing: checking whether a price you're given is anywhere near the national spread.

Not every job covers every foot of frontage. TVA's rule lets riprap go along the base of the eroded area as part of a planted repair, so a design that armors only the part of the bank that is failing can cost less than a blanket of rock from one property line to the other.

What moves the price on a lake bank

These are the things that separate a $70 foot from a $400 foot. None of them has a published local price, but each is worth asking about line by line:

• How the stone gets there. Hauling down a gentle yard by truck and excavator is a different job from working off a barge, and each has its own setup cost.
• Bank height and steepness. A tall, steep face takes more stone per foot than a low bank.
• Stone size and fabric. TVA's rule doesn't set a stone size or require fabric, so the design choice, and its cost, is on the drawings.
• Clearing. Trees and brush on TVA land need TVA's written approval before anyone cuts them, and the work itself adds labor.
• Drawings and the application. TVA wants plan and elevation views with dimensions and heights. Ask whether preparing and filing them is in the price.
• Walls. If TVA decides erosion is severe enough for a retaining wall, the job adds the wall and at least two feet of riprap along its footer. Local wall price: [PRICE].

Permit fees

Fees are the one part of the cost that's published. As of the sources below:

TDEC's page doesn't say whether a single residential riprap job under GARAP001 needs a notice. Ask TDEC, or ask whoever prepares your application, which fee applies and whether closing out coverage when the work is done avoids the annual fee.

Docks and lifts

We haven't found published dock or boat lift prices for Watts Bar Lake either. Local dock repair: [PRICE]. Local new dock: [PRICE]. Local boat lift: [PRICE]. TVA charges $1,000 to apply for a dock or boathouse. The dock repair, new docks and boat lifts pages cover what TVA allows.

The $25,000 license line

Tennessee requires a contractor license for projects of $25,000 or more, and the requirement starts before the work does: it covers bidding, offering to do the job, and negotiating a price. Angi's typical riprap range of $10,000 to $30,000 straddles that figure. If your quote is at or above it, ask for the contractor's license number and look it up. Who does the work explains how.

Comparing quotes

• Same length of shoreline? Measure it yourself if two quotes disagree.
• Same stone? Quarry-run versus natural stone, and the size.
• Same design? Toe-only riprap with planting above is a different job from full-face stone.
• Same scope of paperwork? Who prepares TVA drawings, files online, and handles TDEC coverage.
• Same access? Land or barge, and who repairs the yard.
• Same terms? Deposit, payment schedule, and what happens if TVA asks for changes.

Cost questions

Does TVA charge for a riprap permit?

No. Shoreline stabilization carries no application fee in TVA's schedule, and TVA treats waiving fees on stabilization-only requests as its own decision.

Why doesn't this page give a local price per foot?

Because we couldn't find one published for Watts Bar Lake or Tennessee, and making one up wouldn't help you. The local figure is marked [PRICE].

Is riprap cheaper than a retaining wall?

There's no published local comparison. On TVA land the choice is often not open anyway, because TVA allows a wall only where erosion is severe and a wall is the most effective option, or to join an approved wall.

Will the state permit add much?

TDEC lists $0 for general permits that need no notice, $50 for a personal residence, and $500 for other notice-based general permits, with a possible $350 annual fee for notice-based coverage after a year.

How this site helps

Reach us at (865) 445-5366 or through the request form. One independent local contractor who works on Watts Bar Lake gets your details. They'll look at the bank and give you a written price. The referral is free.

Related pages

• The riprap guide
• TVA, TDEC, Corps and county permits
• Retaining walls and seawalls
• Who does the work

Sources

• Angi, riprap cost (2025 national data)
• TVA, Section 26a application instructions and fees
• 18 CFR Part 1304, TVA's Section 26a rules (full text on tva.com)
• TDEC, Aquatic Resource Alteration Permit (ARAP) and fees
• Tennessee Board for Licensing Contractors, getting a contractor license