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USGS/Cascades Volcano Observatory, Vancouver, Washington

Cascades Volcano Observatory
"Real-Time" Hydrologic Monitoring


Provisional data, subject to revision -- Please Read

Current and Historical Hydrologic Stations
-- Listing of Current and Historical Hydrologic Data Collection Sites in the Mount St. Helens Vicinity -- Lewis River Basin, Kalama River Basin, Cowlitz River Basin, and Miscellaneous Mount St. Helens

Stations

Spirit Lake at Tunnel - 14240304


Castle Lake - 14240446



South Fork Toutle at Toutle - 14241500



Toutle River at Tower Road - 14242580



Cowlitz River at Castle Rock - 14243000



Lewis River above Muddy River near Cougar - 14216000



Muddy River below Clear Creek - 14216500



Canyon Creek near Amboy - 14219000



Speelyai Creek near Cougar - 14219800



Lewis River at Ariel - 14220500



East Fork Lewis River near Heissen - 14222500



Naselle River near Naselle - 12010000



Mudflow Detection Sites

Hoala Mudflow Detection



Loowit Falls Mudflow Detection



Maratta Creek Mudflow Detection


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05/02/08, Lyn Topinka