Alum Creek Dam
Dam in Delaware County, Ohio · Alum Creek of Big Walnut Crk. · forms Alum Creek Lake
Height
93 ft
28 m (NID height)
Length
10,200 ft
3,109 m
Completed
1974
Alum Creek Lake today
887.29 ft
7 days ▼ 0.51 ft
Normal storage
81,700 acre-ft
Much above normal for the date
Reservoir level measured Oct 23, 2026, 2:00 PM EDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Fish and Wildlife Pond; Recreation; Water Supply
- Dam type
- Gravity
- Structural height
- 93 ft
- Owner
- USACE - Huntington District (Federal)
- Maximum storage
- 134,800 acre-ft
- Surface area
- 3,387 acres
- Hydraulic height
- 81 ft
- Drainage area
- 123 sq mi
- Spillway
- Controlled, 102 ft wide
- Army Corps district
- Huntington District
- Also known as
- Alum Creek Lake
- NID ID
- OH00931
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 1, 2026. Search NID ID OH00931 at nid.sec.usace.army.mil. Project website.