Flathead Lake At Polson Mt

RESERVOIR REPORT

2,890 ft

Water elevation of reservoir water surface above datum, ft levels at Flathead Lake At Polson Mt are currently 2,890 ft, about 100% of normal. The average for this time of year is approximately 2,892.08ft. Maximum recorded Elevation of reservoir water surface above datum, ft since record keeping began in 2007 was 2022-06-25 when levels reached 2,893.59 ft. Lowest recorded Elevation of reservoir water surface above datum, ft was 2008-04-10 when levels receded to 2,883.11 ft. View historical levels.

Flathead Lake is the largest freshwater lake in Montana, located in the town of Polson. The lake was formed by glaciers during the last ice age and has a surface area of 191.5 square miles. Its hydrology is dominated by the Flathead River, which is the primary surface flow provider, and snowpack, which provides the majority of the lake's water. The lake serves as a vital source of irrigation water for local agriculture and supports a variety of recreational activities, including fishing, boating, and swimming. The lake is also home to several species of fish, including trout, salmon, and bass. Its history includes being a sacred site for the Salish and Kootenai tribes and being explored by Lewis and Clark in 1805. Today, Flathead Lake is considered one of Montana's most treasured natural resources.