Farmington Dam
Dam in San Joaquin County, California · Rock and Littlejohn Creeks · forms Farmington Reservoir
Height
58 ft
18 m (NID height)
Length
7,800 ft
2,377 m
Completed
1951
Farmington Reservoir today
116.39 ft
7 days ▼ 0.49 ft
Normal storage
6,623 acre-ft
Reservoir level measured Oct 23, 2026, 12:00 PM PDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Hydroelectric; Water Supply
- Dam type
- Earth
- Structural height
- 58 ft
- Owner
- USACE - Sacramento District (Federal)
- Maximum storage
- 119,314 acre-ft
- Surface area
- 4,100 acres
- Hydraulic height
- 53 ft
- Drainage area
- 212 sq mi
- Spillway
- Uncontrolled, 95 ft wide
- Army Corps district
- Sacramento District
- Also known as
- Farmington Reservoir
- NID ID
- CA10104
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Sep 15, 2026. Search NID ID CA10104 at nid.sec.usace.army.mil. Project website.