Isabella Dam
Dam in Kern County, California · Kern River · forms Isabella Lake
Height
185 ft
56 m (NID height)
Length
1,695 ft
517 m
Completed
1953
Isabella Lake today
2,555.04 ft
7 days ▼ 0.35 ft
vs full pool
▼ 12.11 ft
Normal storage
568,000 acre-ft
Reservoir level measured Oct 23, 2026, 10:00 AM PDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Recreation; Hydroelectric
- Dam type
- Earth
- Structural height
- 185 ft
- Owner
- USACE - Sacramento District (Federal)
- Maximum storage
- 1,202,000 acre-ft
- Surface area
- 11,200 acres
- Hydraulic height
- 173 ft
- Drainage area
- 2,074 sq mi
- Spillway
- Uncontrolled, 140 ft wide
- Army Corps district
- Sacramento District
- Also known as
- Isabella Lake
- NID ID
- CA10106
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Apr 17, 2026. Search NID ID CA10106 at nid.sec.usace.army.mil. Project website.