East Sidney Dam
Dam in Delaware County, New York · Ouleout Creek · forms East Sidney Lake
Height
130 ft
40 m (NID height)
Length
2,010 ft
613 m
Completed
1950
East Sidney Lake today
1,149.90 ft
7 days ▼ 0.04 ft
vs full pool
▼ 0.10 ft
Normal storage
2,836 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 4:00 PM EDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Recreation
- Dam type
- Gravity
- Structural height
- 130 ft
- Owner
- USACE - Baltimore District (Federal)
- Maximum storage
- 58,350 acre-ft
- Surface area
- 210 acres
- Hydraulic height
- 123 ft
- Drainage area
- 102 sq mi
- Spillway
- Uncontrolled, 240 ft wide
- Army Corps district
- Baltimore District
- Also known as
- East Sidney Lake
- NID ID
- NY01211
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 8, 2026. Search NID ID NY01211 at nid.sec.usace.army.mil. Project website.