Country: USA

Chatfield Dam

Dam in Douglas County, Colorado · South Platte River · forms Chatfield Reservoir

Height
148 ft
45 m (NID height)
Length
13,136 ft
4,004 m
Completed
1973
Chatfield Reservoir today
5,431.80 ft
7 days ▼ 0.05 ft
vs full pool
▼ 12.20 ft
Normal storage
20,000 acre-ft
Above normal for the date
Reservoir level measured Oct 23, 2026, 11:00 AM MDT. Full level page →

Facts

Purposes
Flood Risk Reduction; Irrigation; Recreation
Dam type
Earth
Structural height
148 ft
Owner
USACE - Omaha District (Federal)
Maximum storage
355,000 acre-ft
Surface area
1,150 acres
Hydraulic height
124 ft
Drainage area
3,018 sq mi
Spillway
Uncontrolled, 500 ft wide
Army Corps district
Omaha District
Also known as
Chatfield Lake
NID ID
CO01281

Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID CO01281 at nid.sec.usace.army.mil. Project website.