CASTLE LAKE NR MOUNT ST HELENS NR SPIRIT LAKE
Reservoir Levels • Weather • Hydrology
Castle Lake is a small freshwater lake located near Mount St. Helens in Washington state. The lake is known for its crystal-clear waters, which are fed by snowpack and several creeks. The area around the lake was once home to the Nespelem tribe and later used for cattle grazing. Today, Castle Lake is a popular destination for swimming, fishing, and hiking. The lake's hydrology is closely tied to Mount St. Helens' volcanic activity, which has affected the region's water quality and flow patterns. In the winter, the snowpack surrounding the lake provides a crucial source of water for the region's farms and communities. Despite the lake's remote location, it remains a valuable resource for local residents and visitors alike.
July 26, 2024
°F
°F
mph
Windspeed
%
Humidity
| Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change | 0% |
| Percent of Normal | None% |
| Minimum |
2,577.29 ft
2022-10-16 |
| Maximum |
2,580.94 ft
2015-12-10 |
| Average | 2,578 ft |
| Dam_Height | 190 |
| Hydraulic_Height | 100 |
| Drainage_Area | 1.3 |
| Year_Completed | 1980 |
| Nid_Storage | 19000 |
| Primary_Dam_Type | Earth |
| Surface_Area | 480 |
| Dam_Length | 2000 |
| Hazard_Potential | Undetermined |
| Nid_Height | 190 |
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