Cannonsville Dam
Dam in Delaware County, New York · West Branch Delaware River · forms Cannonsville Reservoir
Height
175 ft
53 m (NID height)
Length
2,800 ft
853 m
Completed
1964
Cannonsville Reservoir today
1,125.98 ft
7 days ▼ 0.92 ft
Normal storage
300,999 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 1:30 PM EDT. Full level page →
Facts
- Purposes
- Water Supply
- Dam type
- Earth
- Owner
- NYCDEP DAMS WEST OF THE HUDSON RIVER (Local Government)
- Maximum storage
- 450,000 acre-ft
- Surface area
- 4,800 acres
- Drainage area
- 450 sq mi
- Spillway
- Uncontrolled, 800 ft wide
- Army Corps district
- Philadelphia District
- NID ID
- NY00542
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID NY00542 at nid.sec.usace.army.mil. Project website.