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.
May 20, 2024
°F
°F
mph
Windspeed
%
Humidity
| Gage Height, Ft 24hr Change | 0.51% |
| Percent of Normal | 104% |
| Minimum |
6.99 ft
2023-10-02 |
| Maximum |
66.6 ft
2023-06-20 |
| Average | 55 ft |
| Dam_Height | 75.2 |
| Hydraulic_Height | 67 |
| Drainage_Area | 788 |
| Year_Completed | 1918 |
| Nid_Storage | 45000 |
| Hazard_Potential | High |
| River_Or_Stream | BIG LOST RIVER SINKS |
| Foundations | Rock, Soil |
| Surface_Area | 1392 |
| Outlet_Gates | Slide (sluice gate) |
| Dam_Length | 1430 |
| Nid_Height | 75 |
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