Hidden Dam
Dam in Madera County, California · Fresno River · forms Hensley Lake
Height
184 ft
56 m (NID height)
Length
5,730 ft
1,747 m
Completed
1975
Hensley Lake today
453.20 ft
7 days ▼ 0.01 ft
vs full pool
▼ 60.52 ft
Normal storage
64,298 acre-ft
Reservoir level measured Oct 23, 2026, 8:00 AM PDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Recreation; Hydroelectric
- Dam type
- Earth
- Structural height
- 184 ft
- Owner
- USACE - Sacramento District (Federal)
- Maximum storage
- 116,727 acre-ft
- Surface area
- 1,570 acres
- Hydraulic height
- 163 ft
- Drainage area
- 234 sq mi
- Spillway
- Uncontrolled, 575 ft wide
- Army Corps district
- Sacramento District
- Also known as
- Hensley Lake
- NID ID
- CA10244
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Jul 2, 2026. Search NID ID CA10244 at nid.sec.usace.army.mil. Project website.