Country: USA

St. Stephen Powerhouse Dam

Dam in Berkeley County, South Carolina · Cooper/Santee · forms Lake Moultrie

Height
128 ft
39 m (NID height)
Length
965 ft
294 m
Completed
1985
Lake Moultrie today
71.23 ft
7 days ▼ 0.04 ft
Normal storage
1,055,150 acre-ft
Reservoir level measured Oct 23, 2026, 1:00 PM EDT. Full level page →

Facts

Purposes
Navigation; Fish and Wildlife Pond; Recreation; Hydroelectric; Flood Risk Reduction
Dam type
Concrete
Structural height
128 ft
Owner
USACE - Charleston District (Federal)
Maximum storage
1,405,570 acre-ft
Hydraulic height
75 ft
Drainage area
15,000 sq mi
Spillway
None
Army Corps district
Charleston District
Also known as
Lake Moultrie
NID ID
SC82201

Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 19, 2026. Search NID ID SC82201 at nid.sec.usace.army.mil. Project website.