Cidra Dam
Dam in Cidra County, Puerto Rico · Bayamon River · forms Lago Cidra
Height
115 ft
35 m (NID height)
Length
541 ft
165 m
Completed
1946
Lago Cidra today
1,314.39 ft
7 days ▼ 0.05 ft
Normal storage
5,300 acre-ft
Below normal for the date
Reservoir level measured Oct 23, 2026, 10:45 AM AST. Full level page →
Facts
- Purposes
- Water Supply
- Dam type
- Gravity
- Structural height
- 115 ft
- Owner
- PUERTO RICO AQUEDUCT AND SEWER AUTHORITY (Public Utility)
- Maximum storage
- 10,800 acre-ft
- Surface area
- 268 acres
- Hydraulic height
- 108 ft
- Drainage area
- 9 sq mi
- Spillway
- Uncontrolled, 131 ft wide
- Army Corps district
- Jacksonville District
- Also known as
- Lago Cidra
- NID ID
- PR00020
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID PR00020 at nid.sec.usace.army.mil. Project website.