Pershing County Water Conservation District - Irrigation System Improvements
OLD CHANNEL / UNION CANAL DIVERSION STRUCTURE
(Information from the Pershing County Water Conservation Master Plan, December 2005, by Farr West Engineering.)
 The Old Channel Canal originates at Holmstrom Road north of downtown Lovelock and approximately 0.6 miles downstream of a diversion at the Pitt Dam. The canal flows westward for 4 miles, averages 24 feet in width and has a total of 12 laterals that serve 34 users irrigating 7,131 acres.
The Union Canal shares the same diversion and origin as the Old Channel Canal. The canal is 4 miles long, averages 20 feet in width and ends where it joins the Rodgers Canal to become the Union–Rodgers. The canal has 4 diversions; The Union Pump serving 8 users and 614 acres, the Irish–American Canal serving 7 users and 581 acres, the Arobio Canal serving 6 users and 1,038 acres, and the Big Meadow Canal serving 7 users and 2,739 acres.
Both of the diversion structures are in fair to poor condition. The Union Canal bottom is armored on the immediate downstream side of the bridge and the Old Channel Canal bottom is armored on the downstream side of the diversion structure. There is evidence of scour in the channel bottom on the downstream side of the Old Channel structure. There is spalling on fifty percent of the surfaces of both structures and the passages beneath the bridge.
The replacement of the diversion structure was completed in March 2007. The following are photos of the construction work in progress during February/March 2007 at the Old Channel and Union Canal diversion structure. The Board made a visit to the site on March 9, 2007.
(Place your cursor over the photo for a brief summary of what your are seeing. Click on the photo to enlarge - note that the enlarged photo will open in a new window.)
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