States · Tennessee · Fort Patrick Henry Lake

Fort Patrick Henry Lake

TVA's smallest covered lake in Tennessee at 872 acres — and the only one where the dam sits literally inside the city limits of a major Tennessee city. Fort Patrick Henry Dam is within the Kingsport city limits. The lake was built primarily to regulate hydroelectric generation downstream, fed by cold-water releases from the Watauga and South Holston systems upstream. That cold water creates a trout fishery that few people who are not local know about.

Operator:Tennessee Valley Authority (TVA)
Size
872 acres — TVA's smallest covered lake
Operator
Tennessee Valley Authority (TVA)
County
Sullivan County
Full Pool
~1,263 ft above mean sea level
Dam Location
Inside Kingsport city limits
Nearest City
Kingsport, TN (dam is within city)
NRHP
National Register of Historic Places 2017
Data Verified
June 2026

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What Makes This Lake Different

Fort Patrick Henry Lake is the smallest TVA lake we cover — 872 acres on the South Fork Holston River immediately downstream of Boone Lake. It was built not for flood control or navigation, but primarily to smooth the power output from the Holston River hydroelectric system, providing a small forebay reservoir that allows the upstream Boone Dam to generate power without sending raw pulse flows downstream. This hydroelectric regulating function gives Fort Patrick Henry a different operational character than most TVA reservoirs — it is regulated by generation schedules rather than flood control seasons or navigation requirements.

The Kingsport context is the most unusual fact about this lake in the TVA system. Fort Patrick Henry Dam sits within Kingsport city limits — Kingsport, a city of about 55,000 people and home to Eastman Chemical Company, Tennessee's largest private employer by many measures. This means Fort Patrick Henry Lake is the most urban TVA reservoir in Northeast Tennessee. Its residential market is defined by the city that surrounds it, not by a rural or semi-rural county context.

The dam and its spillway structures were listed on the National Register of Historic Places in 2017 alongside Watauga Dam — recognizing the engineering significance of TVA's Depression-era and wartime construction program in Northeast Tennessee. The NRHP listing does not restrict use or ownership of adjacent properties, but it reflects the dam's historical significance as part of TVA's broader New Deal infrastructure legacy.

The trout fishery is the quiet distinction most buyers do not know before they research this lake. Cold water released from the upstream Watauga and South Holston systems — those deep-release TVA dams discharge water from the cold bottom layers of their reservoirs year-round — flows through Boone Lake and into Fort Patrick Henry Lake with enough cold-water persistence to support rainbow trout. TWRA stocks rainbow trout in the Fort Patrick Henry system, and the combination of urban accessibility and quality trout fishing in a small, intimate lake setting is genuinely unusual in the TVA lake market.

Who Buys on Fort Patrick Henry Lake

The market for Fort Patrick Henry Lake lakefront is defined by its small size and urban context. The active listing count at any given time is very limited — this is a niche market, not a broad one. Buyers tend to be Kingsport-area residents who want lakefront without leaving the city, or buyers who have evaluated the broader Tri-Cities lake market (Boone Lake, Watauga Lake, South Holston Lake) and specifically chosen the smallest, most intimate option. The lake does not attract the Memphis-to-weekend-retreat buyer that Pickwick Lake serves, nor the retirement-destination buyer that Chickamauga or Norris attracts. It serves a local market.

Everything We Cover on Fort Patrick Henry Lake

Money & Costs

The Real Cost of Living on Fort Patrick Henry Lake

Sullivan County tax rates, Kingsport city overlay impact, and what it means to own on TVA's smallest lake inside a city.

Property Tax on Fort Patrick Henry Lake

Sullivan County and Kingsport city overlay — the same dual-rate situation as some Boone Lake frontage, but at Fort Patrick Henry the city is the defining context.

Dock & Shoreline

Dock Permits on Fort Patrick Henry Lake

TVA Section 26a on 872 acres. What the small size and urban-adjacent location means for permit availability and new dock applications.

Water Levels on Fort Patrick Henry Lake

Regulated as a hydroelectric peaking reservoir downstream of Boone Lake. What the operating schedule means for dock owners on TVA's smallest lake.

Fort Patrick Henry Lake Specialist

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Buying & Ownership

Buying on Fort Patrick Henry Lake

Small inventory, Kingsport urban-adjacent context, limited new lakefront opportunity. The FPH buyer checklist.

Neighborhoods on Fort Patrick Henry Lake

872 acres means a small residential market entirely within Sullivan County. How the Kingsport context shapes what is available and what buyers choose.

What Nobody Tells You About Fort Patrick Henry Lake

It's the only TVA dam inside a major city. The upstream cold-release trout fishery nobody markets. What "smallest TVA lake" means for buyers.

Recreation

Fishing Fort Patrick Henry Lake

Rainbow trout from cold Watauga and South Holston releases. Bass and crappie in the main body. TVA's smallest lake, but not without fish.

Boating on Fort Patrick Henry Lake

872 acres inside Kingsport — the most urban TVA lake boating experience in Tennessee. What the size limitation means for recreational use.

Year-Round Living on Fort Patrick Henry Lake

Kingsport is the city — the dam is literally inside it. What lakefront life looks like when the surrounding community is a mid-size Tennessee city.

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