The Filling of the Lake - Creater Lake, OR
Posted by: 
saopaulo1
N 42° 54.695 W 122° 08.573
10T E 569962 N 4751353
One of a few signs at Sinnott Memorial Overlook in Crater Lake National Park. Many of the plaque here deal with the lake's geological history.
Waymark Code: WMYXB8
Location: Oregon, United States
Date Posted: 08/05/2018
Views: 2
After the caldera was formed, it was a natural location for water to collect. It took winter storms only a few centuries to fill the basin with nearly five trillion gallons of water. With an average snowfall today of 533 inches in the park, the maximum depth of the lake is 1943 feet.
Where does the water come from?
A balance between precipitation, evaopration and seepage means that the lake level remains fairly constant from year to year. In a typical year, seepage accounts for 18 billion gallons of water while evaportation reduces the volume of the lake by 16 billion gallons. The 34 billion gallons loss is offset by an equal amount of percipitation and runoff. Just a drop in the bucket compared to the five trillion gallons in Crater Lake!
Historic Topic: Geological
Group Responsible for placement: National Parks Service
Marker Type: Trail
Region: Southern Oregon
County: Klamath
State of Oregon Historical Marker "Beaver Board": Not listed
Web link to additional information: Not listed
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