SOUTH FORK TOLT RESERVOIR NEAR CARNATION

Reservoir Levels Weather Hydrology

Reservoir Levels

South Fork Tolt Reservoir Near Carnation

March 28 2024

1,759 ft

South Fork Tolt Reservoir is located near Carnation, WA in King County, Washington. The reservoir was created in the 1960s to provide water for the growing population of nearby cities. It is fed by surface flow from the Tolt River and snowpack providers.

The hydrology of the reservoir is influenced by the South Fork Tolt River, which flows into the reservoir from the west. The reservoir provides water to the city of Seattle, and it also supports agricultural and recreational activities in the area.

The reservoir has a capacity of 18,000 acre-feet and is approximately 80% full during the summer months. It provides water for irrigation and drinking water for the surrounding communities.

In terms of recreational activities, the reservoir is popular for fishing, boating, and hiking. The surrounding area is also home to several campgrounds and picnic areas, making it a popular destination for outdoor enthusiasts.

Geolocation -121.689, 47.693
Elevation 1,771 ft
Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change 0%
Percent of Normal 100%
Minimum 1,712.13 ft
2015-10-10
Maximum 1,766.54 ft
2008-05-21
Average 1,756 ft
Dam_Height 200
Hydraulic_Height 190
Drainage_Area 18.8
Year_Completed 1962
Nid_Storage 68400
River_Or_Stream South Fork Tolt River
Foundations Soil
Surface_Area 1040
Hazard_Potential High
Outlet_Gates Other Controlled - 1
Dam_Length 980
Primary_Dam_Type Earth
Nid_Height 200

Weather Outlook



16 Day Long Term Forecast

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