Saylorville Dam
Dam in Polk County, Iowa · Des Moines River · forms Saylorville Lake Reservoir
Height
125 ft
38 m (NID height)
Length
6,658 ft
2,029 m
Completed
1975
Saylorville Lake Reservoir today
837.91 ft
7 days ▲ 0.55 ft
vs full pool
▲ 1.91 ft
Normal storage
74,000 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 2:00 PM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Recreation; Water Supply
- Dam type
- Gravity
- Structural height
- 125 ft
- Owner
- USACE - Rock Island District (Federal)
- Maximum storage
- 641,000 acre-ft
- Surface area
- 5,520 acres
- Hydraulic height
- 120 ft
- Drainage area
- 5,823 sq mi
- Spillway
- Controlled, 430 ft wide
- Army Corps district
- Rock Island District
- Also known as
- Saylorville Lake
- NID ID
- IA00017
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 16, 2026. Search NID ID IA00017 at nid.sec.usace.army.mil. Project website.