Loiza Dam
Dam in Trujillo Alto County, Puerto Rico · Grande De Loiza River · forms Lago Loiza
Height
95 ft
29 m (NID height)
Length
728 ft
222 m
Completed
1954
Lago Loiza today
133.83 ft
7 days ▼ 0.23 ft
Normal storage
23,500 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 12:45 PM AST. Full level page →
Facts
- Purposes
- Hydroelectric; Water Supply
- Dam type
- Gravity
- Structural height
- 95 ft
- Owner
- PUERTO RICO AQUEDUCT AND SEWER AUTHORITY (Public Utility)
- Maximum storage
- 30,000 acre-ft
- Surface area
- 175 acres
- Hydraulic height
- 92 ft
- Drainage area
- 207 sq mi
- Spillway
- Controlled, 368 ft wide
- Army Corps district
- Jacksonville District
- Also known as
- Carraizo Dam
- NID ID
- PR00024
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID PR00024 at nid.sec.usace.army.mil. Project website.