Folsom Dam
Dam in Sacramento County, California · American River · forms Folsom Lake
Height
340 ft
104 m (NID height)
Length
1,400 ft
427 m
Completed
1956
Folsom Lake today
400.83 ft
7 days ▼ 2.14 ft
vs full pool
▼ 49.59 ft
Normal storage
894,000 acre-ft
Reservoir level measured Oct 23, 2026, 11:00 AM PDT. Full level page →
Facts
- Purposes
- Hydroelectric; Irrigation; Recreation
- Dam type
- Concrete
- Structural height
- 340 ft
- Owner
- BUREAU OF RECLAMATION (Federal)
- Maximum storage
- 976,955 acre-ft
- Surface area
- 11,180 acres
- Hydraulic height
- 275 ft
- Drainage area
- 896 sq mi
- Spillway
- Controlled, 126 ft wide
- Army Corps district
- San Francisco District
- Also known as
- Folsom Lake
- NID ID
- CA10148
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Nov 21, 2024. Search NID ID CA10148 at nid.sec.usace.army.mil. Project website.
Other dams at Folsom Lake
- Folsom Mormon Island Auxiliary Dam
- Folsom Left Wing
- Folsom Right Wing
- Folsom Dike 5
- Folsom Dike 6
- Folsom Dike 7
- Folsom Dike 4
- Folsom Dike 1
- Folsom Dike 8
- Folsom Dike 2
- Folsom Dike 3