Mackay Res Nr Mackay Id
RESERVOIR REPORT
October 4 20237 ft
-0.28% today30% of Normal • Very Low
Water gage height, ft levels at Mackay Res Nr Mackay Id are currently 7 ft, about 30% of normal. The average for this time of year is approximately 23.6ft. Maximum recorded Gage height, ft since record keeping began in 2020 was 2023-06-20 when levels reached 66.6 ft. Lowest recorded Gage height, ft was 2023-10-02 when levels receded to 6.99 ft. View historical levels.
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.

Geolocation | -113.675, 43.952 |
Elevation | 6,061 ft |
Gage Height, Ft 24hr Change | -0.28% |
Percent of Normal | 30% |
Minimum |
6.99 ft
2023-10-02 |
Maximum |
66.6 ft
2023-06-20 |
Average | 24 ft |
AREA SURFACE FLOWS
Streamgauge | Streamflow | Stage |
---|---|---|
BIG LOST RIVER AT HOWELL RANCH NR CHILLY ID | 175 cfs | 1.3 ft |
LITTLE LOST RIVER NR HOWE ID | 14 cfs | 2.4 ft |
NF BIG LOST RIVER AT WILD HORSE NR CHILLY ID | 49 cfs | 1.7 ft |
BIG LOST RIVER BL MACKAY RES NR MACKAY ID | 221 cfs | 2.1 ft |
BIG WOOD RIVER NR BELLEVUE ID | 89 cfs | ft |
BIG WOOD RIVER AT HAILEY ID TOTAL FLOW | 304 cfs | 2.1 ft |