Grant Devine Dam

Grant Devine Dam
Grant Devine Dam
	Grant Devine Dam and reservoir
Location	RM of Enniskillen No. 3, near Alameda
Coordinates	49°15′32″N 102°13′51″W / 49.25889°N 102.23083°W
Opening date	1994
Owner(s)	Saskatchewan Watershed Authority
Dam and spillways
Type of dam	Embankment dam
Impounds	Moose Mountain Creek
Height	42 m (138 ft)
Length	1,660 m (5,450 ft)
Spillway capacity	1,400 m3 (49,000 cu ft) per second
Reservoir
Creates	Grant Devine Reservoir
Total capacity	105,000,000 m3 (3.7×109 cu ft)
Catchment area	2,130 km2 (820 sq mi)
Surface area	12.4 km2 (4.8 sq mi)
Maximum water depth	35 metres (115 ft)

The Grant Devine Dam, formerly Alameda Dam,^[1] is an embankment dam located in the Canadian province of Saskatchewan near Alameda and Oxbow. It was constructed in 1994 to control flows on Moose Mountain Creek and Souris River. It provides flood protection and irrigation for this area of Saskatchewan, along with protection for Minot, North Dakota.^[2] The Grant Devine 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 m³ (3.7×10⁹ cu ft) of water. The project is owned and operated by the Saskatchewan Water Security Agency (formerly Saskatchewan Watershed Authority).

Structure

The Grant Devine Dam is a 1660-metre long earthfill dam, with a height of 42 metres (138 ft). The volume of earth in the main dam is 2,900,000 m³ (100,000,000 cu ft). The dam is protected by a 224-metre long spillway with a maximum discharge capacity of 1,400 m³ (49,000 cu ft) per second.^[2]

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 km² (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.

Moose Creek Regional Park

Moose Creek Regional Park (49°17′38″N 102°12′08″W / 49.2939°N 102.2022°W / 49.2939; -102.2022) is a regional park on the east side of the reservoir, 3 kilometres (1.9 mi) north of the dam. The park encompasses about 3/4 of a section, which is about 480 acres.^[3] The park is 3 kilometres (1.9 mi) east of Alameda off of Highway 9 and 6 kilometres (3.7 mi) north of Oxbow off of Highway 18.^[4] The park features full-service camping, tenting, picnicking, swimming, boating, and fishing. There is also Moose Creek Golf Club, a 9-hole golf course. The third weekend in June each year, the Alameda Fishing Derby takes place on the lake.^[5]