Sumner Dam
Dam in De Baca County, New Mexico · Pecos River · forms Lake Sumner
Height
164 ft
50 m (NID height)
Length
3,084 ft
940 m
Completed
1937
Lake Sumner today
4,243.71 ft
7 days ▼ 0.56 ft
vs full pool
▼ 17.17 ft
Normal storage
63,690 acre-ft
Reservoir level measured Oct 23, 2026, 11:00 AM MDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation
- Dam type
- Earth
- Structural height
- 164 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 227,683 acre-ft
- Surface area
- 7,615 acres
- Hydraulic height
- 147 ft
- Drainage area
- 4,511 sq mi
- Spillway
- Uncontrolled, 135 ft wide
- Army Corps district
- Albuquerque District
- Also known as
- Alamagordo;Sumner Lake
- NID ID
- NM00130
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 22, 2025. Search NID ID NM00130 at nid.sec.usace.army.mil. Project website.