La Plata Dam
Dam in Toa Alta County, Puerto Rico · La Plata River · forms Lago la Plata
Height
131 ft
40 m (NID height)
Completed
1974
Lago la Plata today
141.54 ft
7 days ▼ 1.72 ft
Normal storage
22,700 acre-ft
Much below normal for the date
Reservoir level measured Oct 23, 2026, 3:45 PM AST. Full level page →
Facts
- Purposes
- Water Supply
- Dam type
- Gravity
- Structural height
- 131 ft
- Owner
- PUERTO RICO AQUEDUCT AND SEWER AUTHORITY (Public Utility)
- Maximum storage
- 37,000 acre-ft
- Surface area
- 560 acres
- Hydraulic height
- 120 ft
- Drainage area
- 181 sq mi
- Spillway
- Controlled, 714 ft wide
- Army Corps district
- Jacksonville District
- Also known as
- Lago La Plata
- NID ID
- PR00017
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID PR00017 at nid.sec.usace.army.mil. Project website.