Delaware Dam
Dam in Delaware County, Ohio · Olentangy River · forms Delaware Lake
Height
92 ft
28 m (NID height)
Length
18,600 ft
5,669 m
Completed
1951
Delaware Lake today
915.28 ft
7 days ▼ 0.05 ft
Normal storage
14,000 acre-ft
Above normal for the date
Reservoir level measured Oct 23, 2026, 11:00 AM EDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Other; Fish and Wildlife Pond; Recreation; Water Supply
- Dam type
- Gravity
- Structural height
- 92 ft
- Owner
- USACE - Huntington District (Federal)
- Maximum storage
- 132,000 acre-ft
- Surface area
- 1,300 acres
- Hydraulic height
- 66 ft
- Drainage area
- 386 sq mi
- Spillway
- Controlled, 192 ft wide
- Army Corps district
- Huntington District
- Also known as
- Delaware Lake
- NID ID
- OH00015
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 1, 2026. Search NID ID OH00015 at nid.sec.usace.army.mil. Project website.