Overview

Pineview Dam is located in the Ogden River Canyon about 7 miles east of Ogden, Utah. The dam is a zoned earthfill structure. It was originally constructed to a structural height of 103 feet, forming a reservoir of 44,175 acre-feet capacity. The capacity of the reservoir was later enlarged to 110,150 acre-feet by increasing the structural height of the dam to 137 feet as a part of the Weber Basin Project. The overflow, channel-type spillway, controlled by radial gates, has a capacity of 10,000 cubic feet per second. The crest of the dam, elevation 4,908.0 feet, is 30 feet wide, 600 feet long, and contains a total volume of 410,000 cubic yards of earth, rock, and riprap material. The overflow, channel-type spillway, controlled by radial gates, has a capacity of 10,000 cfs.

A 2,300 cubic foot per second capacity outlet works is located in a tunnel in the right abutment. It consists of a 72 inch pipe which leads into the 75 inch Ogden Canyon Conduit, and a 60 inch pipe which discharges into the spillway stilling basin. The 72 inch pipe has a wye which permits additional discharges into the stilling basin, and the 60 inch line has a 42 inch pipe connected to it to allow water to be delivered to the Ogden City filtration plant located downstream from the dam.

Water from the dam is transported 4.7 miles through the Ogden Canyon Conduit, jointly owned by the Ogden River Water Users Association and Utah Power & Light Company, to the two canals for distribution. Water for the South Ogden Highline Canal is conveyed across the canyon in a 360 foot long, 36 inch diameter steel siphon suspended from the canyon wall. The South Ogden Highline Canal has an initial capacity of 35 cubic feet per second and extends south 5.2 miles from the intersection. It is a gravity pressure distribution system, constructed for the delivery of water under gravity pressure and on demand from the South Ogden Highline Canal. The Ogden Brigham Canal has an initial capacity of 120 cubic feet per second and extends north on the east side of the project lands. These two canals convey water to the water users through privately owned laterals under the Ogden Brigham Canal and through project laterals under the South Ogden Highline Canal.

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Hydraulics & Hydrology