UNION VALLEY

Reservoir Levels Weather Hydrology


RESERVOIR CALIFORNIA

Union Valley


April 16, 2024

195,609 acre-ft

+0.58% today
95% of Normal Normal

Water storage levels at Union Valley are currently 195,609 acre-ft, about 95% of normal. The average for this time of year is approximately 206,683.1acre-ft. Maximum recorded Storage since record keeping began in 2003 was 2005-07-02 when levels reached 275,518 acre-ft. Lowest recorded Storage was 2021-10-22 when levels receded to 90,130 acre-ft. View historical levels.

Union Valley is a reservoir located in El Dorado County, California. The reservoir was created in 1963 with the construction of the Union Valley Dam, which is part of the American River watershed. The hydrology of Union Valley is primarily fed by the Rubicon River, and the reservoir provides water for hydroelectric power generation, irrigation, and municipal use. The area is also popular for recreational activities such as fishing, boating, camping, and hiking. The surrounding forests and hills are home to a diverse range of wildlife, including deer, elk, and black bears. The Union Valley Snowpack, which is a significant provider of water to the region, is particularly important for the agricultural community, with crops such as potatoes, grapes, and apples requiring water from the snowpack for irrigation.



Geolocation -120.438, 38.864
Elevation 4,870 ft
Storage 24hr Change 0.58%
Percent of Normal 95%
Minimum 90,130 acre-ft
2021-10-22
Maximum 275,518 acre-ft
2005-07-02
Average 206,683 acre-ft
Nid_Height 455
Hydraulic_Height 440
Drainage_Area 83.7
Year_Completed 1962
Dam_Height 440
Hazard_Potential High
Structural_Height 455
Primary_Dam_Type Earth
River_Or_Stream Big Silver Creek
Surface_Area 2860
Outlet_Gates Tainter (radial) - 2
Nid_Storage 266369
Dam_Length 1990

Weather Outlook



16 Day Long Term Forecast

Seasonal Comparison


Area Boat Ramps

HENNESS PASS ROAD, SIERRAVILLE
Upper Yuba Watershed, California
IOWA HILL ROAD PLACER COUNTY
North Fork American Watershed, California
LAKE SPAULDING ROAD 10260, NEVADA CITY
Upper Yuba Watershed, California
WOODCAMP ACCESS ROAD NEVADA COUNTY
Upper Yuba Watershed, California
CAPT ROBERTS BOATING SITE
Truckee Watershed, California
OXBOW RAFT PUT-IN SITE
North Fork American Watershed, California
POHO RIDGE EL DORADO COUNTY
South Fork American Watershed, California
PROSSER LAKE RESERVOIR
Truckee Watershed, California
RIVER TRAIL EL DORADO COUNTY
South Fork American Watershed, California
MEADOW LAKE ROAD NEVADA COUNTY
Upper Yuba Watershed, California

Rafting & Kayaking

CARIBOU RESERVOIR TO BELDON
North Fork Feather Watershed, California
FRENCHMAN RESERVOIR TO NF BOUNDARY
Middle Fork Feather Watershed, Nevada
HEADWATERS TO BUCKS LAKE
North Fork Feather Watershed, California
CONFLUENCE WITH EAST AND WEST BRANCHES OF NELSON CREEK TO CONFLUENCE WITH MIDDLE FORK FEATHER WSR
Middle Fork Feather Watershed, California
NF BOUNDARY TO CONFLUENCE WITH NORTH FORK FEATHER RIVER
North Fork Feather Watershed, California
HEADWATERS TO MIDDLE FORK FEATHER WSR
Middle Fork Feather Watershed, California
HEADWATERS TO CONFLUENCE WITH NELSON CREEK
Middle Fork Feather Watershed, California
SILVER LAKE TO MEADOW VALLEY
East Branch North Fork Feather Watershed, California
STATE PARK TO CONFLUENCE WITH MIDDLE FORK FEATHER WSR
Middle Fork Feather Watershed, California
ROCK CREEK DAM TO CRESTA RESERVOIR
North Fork Feather Watershed, California

Parks & Recreation

                                                       

Idlewild Park

Rock Park

Newlands Circle

Lundsford Park

Rainbow Ridge Park

Portola City Park

Mogul Park

Oxbow Park

Wilderness Bucks Lake

Glendale Park

                                                                                                                       
                                               
KYBURZ MARSH WATCHABLE WILDLIFE SITE
DONNELL VISTA
HERMIT VALLEY
ANGORA RIDGE
ALPHA OMEGA OBSERVATION SITE
WASHINGTON OVERLOOK OBSERVATION SITE

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