Pactola Dam
Dam in Pennington County, South Dakota · Rapid Creek · forms Pactola Reservoir
Height
245 ft
75 m (NID height)
Length
1,255 ft
383 m
Completed
1956
Pactola Reservoir today
4,558.93 ft
7 days ▲ 0.33 ft
vs full pool
▼ 21.27 ft
Normal storage
55,965 acre-ft
Below normal for the date
Reservoir level measured Oct 23, 2026, 2:00 PM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Recreation; Water Supply
- Dam type
- Earth
- Structural height
- 245 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 140,898 acre-ft
- Surface area
- 1,557 acres
- Hydraulic height
- 200 ft
- Drainage area
- 320 sq mi
- Spillway
- Uncontrolled, 425 ft wide
- Army Corps district
- Omaha District
- Also known as
- Pactola Reservoir
- NID ID
- SD01139
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID SD01139 at nid.sec.usace.army.mil. Project website.
Other dams at Pactola Reservoir
- Pactola Dike 2
- Pactola Dike 1