Mahoning Creek Dam
Dam in Armstrong County, Pennsylvania · Mahoning Creek · forms Mahoning Creek Lake at Mahoning Creek Dam
Height
162 ft
49 m (NID height)
Length
926 ft
282 m
Completed
1941
Mahoning Creek Lake at Mahoning Creek Dam today
1,090.15 ft
7 days ▼ 11.58 ft
vs full pool
▼ 3.42 ft
Normal storage
9,550 acre-ft
Much below 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
- Dam type
- Gravity
- Structural height
- 162 ft
- Owner
- USACE - Pittsburgh District (Federal)
- Maximum storage
- 94,000 acre-ft
- Surface area
- 280 acres
- Hydraulic height
- 162 ft
- Drainage area
- 340 sq mi
- Spillway
- Controlled, 150 ft wide
- Army Corps district
- Pittsburgh District
- Also known as
- Mahoning Creek Lake
- NID ID
- PA00107
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Sep 16, 2026. Search NID ID PA00107 at nid.sec.usace.army.mil. Project website.