Friant Dam

Overview

Friant Dam

Friant Dam is a concrete gravity dam on the upper San Joaquin River in the Sierra Nevada foothills of Fresno County, California near the town of Friant. The dam, completed in 1942, forms Millerton Lake and was built by the U.S. Bureau of Reclamation, which owns and operates the dam.

Interactive picture of Friant Dam and powerplant - click to see a larger pictureThe lake and dam are about 15 miles (24 km) north of downtown Fresno. The lake storage capacity is 520,500 acre·ft (642,000 dam³) for irrigation of the San Joaquin Valley, which is distributed by the Madera- and Friant-Kern-Canals.

Its secondary uses include flood control and recreation. Upstream from the dam is the Big Creek hydroelectric system.

The 25 megawatt Friant Power Plant in front of the dam produces hydroelectricity for the Friant Power Authority. There are two smaller power plants that produce power with the minimum-flow release water and the water for fish hatchery operations.


General
RegionFacilities in Mid-Pacific | Mid-Pacific Home Page
StateCalifornia
CountyFresno
ProjectCVP-Friant
Dam Type
ReservoirMillerton Lake
WatercourseSan Joaquin River
Location
Longitude
Latitude
Original Construction1939-1942
Modified Construction
National ID NumberCA10154
Hydrologic Unit Code

Dimensions
Structural Height319 ft
Hydraulic Height (Normal Operating Depth at Dam)293 ft
Top Parapet (Elevation)585.00 ft
Spillway Crest Elevation
Crest Elevation581.25 ft
Crest Length3488 ft
Crest Width20 ft
Base Width267 ft
Volume of Dam Construction Materials2135000 cu yd
Streambed at Dam Axis
Top of Exclusive Flood Control Pool (Elevation)
Top of Joint Use Pool (Elevation)
Top of Active Conservation Pool (Elevation)
Top of Inactive Conservation Pool (Elevation)
Top of Dead Storage Pool (Elevation)

Hydraulics & Hydrology
Volume2454000 acre-ft
Total Water Storage at Elevation
Maximum Water Surface Elevation595.6 ft
Normal Water Surface Elevation
Spillway Type
Auxiliary Spillway
Spillway Capacity at Elevation83000 cfs at 578
Auxiliary Spillway Capacity at Elevation
Uncontrolled Spillway Capacity at Elevation
Outlet Works Capacity at Elevation16400 cfs at 578 ft
Diversion Capacity at Elevation
Drainage Area1650 sq mi
Hydrometeorological Report (HMR)HMR 36
Probable Maximum Flood (PMF) Report1988 General Storm

Contact Information
Owner
TitleArea Office Manager
OrganizationSouth-Central California Area Office
Address1243 "N" Street
CityFresno, CA 93721-1813
Phone (Office)559-487-5116
Operator
TitleArea Office Manager
OrganizationSouth-Central California Area Office
Address1243 "N" Street
CityFresno, CA 93721-1813
Phone (Office)559-487-5116


Last updated: Jun 04, 2009