Bonny Dam
Dam in Yuma County, Colorado · South Republican River · forms Bonny Reservoir
Height
158 ft
48 m (NID height)
Length
9,200 ft
2,804 m
Completed
1951
Bonny Reservoir today
3,638.00 ft
7 days 0.00 ft
vs full pool
▼ 34.00 ft
Normal storage
41,342 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 6:00 AM MDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Recreation
- Dam type
- Earth
- Structural height
- 158 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 348,390 acre-ft
- Surface area
- 8,565 acres
- Hydraulic height
- 96 ft
- Drainage area
- 1,725 sq mi
- Spillway
- Uncontrolled, 138 ft wide
- Army Corps district
- Omaha District
- Also known as
- Bonny Reservoir
- NID ID
- CO01300
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID CO01300 at nid.sec.usace.army.mil. Project website.