Cowanesque Dam
Dam in Tioga County, Pennsylvania · Cowanesque River · forms Cowanesque Lake
Height
151 ft
46 m (NID height)
Length
3,100 ft
945 m
Completed
1980
Cowanesque Lake today
1,080.37 ft
7 days ▲ 0.04 ft
vs full pool
▲ 0.37 ft
Normal storage
29,876 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 1:00 PM EDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Recreation; Water Supply
- Dam type
- Rockfill
- Structural height
- 151 ft
- Owner
- USACE - Baltimore District (Federal)
- Maximum storage
- 84,747 acre-ft
- Surface area
- 1,050 acres
- Hydraulic height
- 147 ft
- Drainage area
- 298 sq mi
- Spillway
- Uncontrolled, 400 ft wide
- Army Corps district
- Baltimore District
- Also known as
- Cowanesque Lake
- NID ID
- PA01134
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 7, 2026. Search NID ID PA01134 at nid.sec.usace.army.mil. Project website.