Guineo Dam
Dam in Orocovis County, Puerto Rico · Toro Negro River · forms Lago El Guineo
Height
115 ft
35 m (NID height)
Completed
1931
Lago El Guineo today
2,957.01 ft
7 days ▲ 0.53 ft
Normal storage
1,860 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 2:45 PM AST. Full level page →
Facts
- Purposes
- Hydroelectric; Irrigation
- Dam type
- Rockfill
- Structural height
- 115 ft
- Owner
- PUERTO RICO ELECTRIC POWER AUTHORITY (Public Utility)
- Maximum storage
- 2,180 acre-ft
- Surface area
- 77 acres
- Hydraulic height
- 106 ft
- Drainage area
- 2 sq mi
- Spillway
- Uncontrolled, 129 ft wide
- Army Corps district
- Jacksonville District
- Also known as
- Lago El Guineo
- NID ID
- PR00012
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID PR00012 at nid.sec.usace.army.mil. Project website.