Costilla Dam
Dam in Taos County, New Mexico · Rio Costilla · forms Costilla Reservoir
Height
138 ft
42 m (NID height)
Length
780 ft
238 m
Completed
1920
Costilla Reservoir today
48.59 ft
7 days ▲ 1.52 ft
Normal storage
15,830 acre-ft
Much below normal for the date
Reservoir level measured Oct 23, 2026, 12:30 PM MDT. Full level page →
Facts
- Purposes
- Irrigation
- Dam type
- Earth
- Structural height
- 138 ft
- Owner
- Private
- Maximum storage
- 30,499 acre-ft
- Surface area
- 416 acres
- Hydraulic height
- 108 ft
- Drainage area
- 55 sq mi
- Spillway
- Uncontrolled, 35 ft wide
- Army Corps district
- Albuquerque District
- NID ID
- NM00020
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID NM00020 at nid.sec.usace.army.mil. Project website.