Adjuntas Dam
Dam in Adjuntas County, Puerto Rico · Grande De Arecibo River · forms Lago Adjuntas
Height
80 ft
24 m (NID height)
Completed
1950
Lago Adjuntas today
1,245.07 ft
7 days ▼ 0.05 ft
Normal storage
384 acre-ft
Much below normal for the date
Reservoir level measured Oct 23, 2026, 3:45 PM AST. Full level page →
Facts
- Purposes
- Hydroelectric
- Dam type
- Gravity
- Structural height
- 80 ft
- Owner
- PUERTO RICO ELECTRIC POWER AUTHORITY (Public Utility)
- Maximum storage
- 760 acre-ft
- Surface area
- 15 acres
- Hydraulic height
- 80 ft
- Drainage area
- 15 sq mi
- Spillway
- Uncontrolled, 150 ft wide
- Army Corps district
- Jacksonville District
- Also known as
- Adjuntas Dam
- NID ID
- PR00007
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID PR00007 at nid.sec.usace.army.mil. Project website.