Hefner
Dam in Oklahoma County, Oklahoma · Bluff Creek · forms Lake Hefner
Height
112 ft
34 m (NID height)
Length
26,400 ft
8,047 m
Completed
1943
Lake Hefner today
1,198.18 ft
7 days ▲ 3.46 ft
Normal storage
74,400 acre-ft
Reservoir level measured Oct 23, 2026, 12:30 PM CDT. Full level page →
Facts
- Purposes
- Water Supply
- Dam type
- Earth
- Structural height
- 112 ft
- Owner
- Oklahoma City Water Utilities Trust (Local Government)
- Maximum storage
- 107,400 acre-ft
- Surface area
- 3,110 acres
- Hydraulic height
- 112 ft
- Drainage area
- 10 sq mi
- Spillway
- Controlled, 7 ft wide
- Army Corps district
- Tulsa District
- NID ID
- OK02535
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Jun 30, 2026. Search NID ID OK02535 at nid.sec.usace.army.mil. Project website.