General

• Vicinity Map
• Region (Map) ............. Pacific Northwest
• State (Map) .................................. Oregon
• County ..................................... Josephine
• Project ................................... Grants Pass
• Dam type .................................. Diversion
• Location ........ 5 mi E of Grants Pass, OR
• Watercourse ........................ Rogue River
• Original Construction ...................... 1921
• National ID Number .................. OR00290
• Hydrologic Unit Code ...................   

Dimensions

• Crest Elevation ................................ 953.0 ft
• Structural Height .................................. 39 ft
• Hydraulic Height .................................. 30 ft
• Crest Length ....................................... 456 ft
• Crest Width ............................................... ft
• Base Width ................................................ ft
• Volume ........................................... 5,600 cy

Hydraulics

• Spillway capacity at El. .................               Overflow through stoplog-controlled gate openings.  Metal stoplogs in one 11- by 19-ft and fifteen 11- by 23-ft bays.  capacity.........  2,000 cfs    River outlets:  Two 7- by 16ft top seal radial gates at center of dam.  Capacity ........... 6,000 cfs
• Diversion capacity ........................                                          Two gates at left of dam:...............           100 cfs        Pumping diversion (total) ............            125 cfs    

Headworks

• Gravity diversion:  Two gates at left abutment with a capacity of 100 cfs for Grants Pass Irrigation District.                                                      Pumping diversion:  Pumping plant at right abutment with two pumps in series that have a capacity of 50 cfs and a lift of 150 ft for Tokay Canal.  Also, a 75 cfs capacity pump with a 90-ft lift for South Highline Canal.
• Sluiceways:  Four 4- by 6-ft gates at north end of dam, capacity of 2,000 cfs.
• River outlets:  Two 7- by 16-ft top seal radial gates at center of dam, capacity of 6,000 cfs.