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Alameda Dam
Alameda Reservoir-Alameda Dam (625135522).jpg
Alameda Dam reservoir
Location Enniskillen No. 3, near Alameda, Saskatchewan, Canada
Coordinates 49°15′32″N 102°13′51″W / 49.25889°N 102.23083°W / 49.25889; -102.23083
Opening date 1994
Owner(s) Saskatchewan Watershed Authority
Dam and spillways
Type of dam Embankment dam
Height 42 metres (138 ft)
Length 1,660 metres (5,450 ft)
Spillway capacity 1,400 cubic metres (49,000 cu ft) per second
Total capacity 105,000,000 cubic metres (3.7×109 cu ft)
Surface area 12.4 square kilometres (4.8 sq mi)
Maximum water depth 35 metres (115 ft)

The Alameda Dam is an embankment dam located near Alameda, and Oxbow, Saskatchewan, Canada. It was constructed in 1994 to control flows on the Moose Mountain Creek, and Souris River. It provides flood protection and irrigation for this area of Saskatchewan, along with protection for Minot, North Dakota. The Alameda reservoir provides opportunities for recreational use such as boating and fishing. At the full supply level of 562 metres (1,844 ft), the reservoir holds 105,000,000 cubic metres (3.7×109 cu ft) of water. The project is owned and operated by the Saskatchewan Water Security Agency (formerly Saskatchewan Watershed Authority).


The Alameda dam is a 1,660 metres (5,450 ft) long earthfill dam, with a height of 42 metres (138 ft). The volume of earth in the main dam is 2,900,000 cubic metres (100,000,000 cu ft). The dam is protected by a 224 metres (735 ft) long spillway with a maximum discharge capacity of 1,400 cubic metres (49,000 cu ft) per second.

The dam includes a low-level outlet structure for discharge of water to maintain the quality of the riparian environment downstream of the project, and for irrigation outflow.

The reservoir has a surface area of 12.4 square kilometres (4.8 sq mi) at full supply level. The surrounding drainage area is 2,140 square kilometres (830 sq mi).

A full-time staff of about five people supervises and operates this dam and the Rafferty Dam built at the same time. Together the two projects provide flow control on the Souris River and flood protection for the city of Minot. Operation of the project is governed by an international treaty between Canada and the United States.

Alameda Dam Spillway Saskatchewan
Spillway at Alameda Dam, showing hydraulically operated vertical lift gates.

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