MACKAY RES NR MACKAY ID

Reservoir Levels Weather Hydrology


Mackay Reservoir in Idaho was created in 1946 by the construction of Mackay Dam on the Big Lost River. The reservoir has a capacity of 36,200 acre-feet of water and is primarily used for irrigation of agricultural land. The hydrology of the area is influenced by snowpack, which provides water for both the reservoir and the surrounding agricultural land. The reservoir is also used for recreational purposes, including fishing, boating, and camping. The Big Lost River provides water to the reservoir and is a popular destination for fly fishing. The surrounding area is known for its scenic beauty and opportunities for outdoor recreation, including hiking, hunting, and wildlife viewing.

June 14, 2024

°F

°F

mph

Windspeed

%

Humidity

Gage Height, Ft 24hr Change 0.24%
Percent of Normal 115%
Minimum 6.99 ft
2023-10-02
Maximum 66.65 ft
2024-06-14
Average 58 ft
Dam_Height 75.2
Hydraulic_Height 67
Drainage_Area 788
Year_Completed 1918
Nid_Storage 45000
Foundations Rock, Soil
Surface_Area 1392
Hazard_Potential High
Outlet_Gates Slide (sluice gate)
River_Or_Stream BIG LOST RIVER SINKS
Dam_Length 1430
Nid_Height 75

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5-Day Weather Forecast

16-Day Weather Forecast

Nearby Streamgauges

1330

Cubic Feet Per Second

1100

Cubic Feet Per Second

218

Cubic Feet Per Second

1190

Cubic Feet Per Second

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