Fort Patrick Henry Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Tennessee |
| County | Sullivan |
| Nearest City | KINGSPORT |
| River/Stream | SOUTH FORK HOLSTON RIVER |
| Coordinates | 36.49795, -82.50876 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 95 ft |
| Dam Height | 90 ft |
| Dam Length | 625 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 31,728 acre-ft |
| Max Storage | 31,728 acre-ft |
| Normal Storage | 25,779 acre-ft |
| Surface Area | 840 acres |
| Drainage Area | 1,903 sq mi |
| Max Discharge | 164,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | TVA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 02/05/2025 |
| Emergency Action Plan | Yes |