Tolt River Flooding Information
USGS gage data, map, alert
phases, and recent high flows
Tolt River conditions: hold your mouse pointer
over a river gage [ ]
on this map or view the gage data
table.
» Tolt River
Basin Weather Stations
» Snoqualmie
Valley River Conditions for Mobile
» Tolt
River Basin Weather Stations
Flood Phase Information
|
Phase
|
Flow at Tolt River gage near Carnation
|
Description
|
Condition
|
1
|
1500 c.f.s.
|
Internal Alert
|
|
2
|
2500 c.f.s.
|
Minor Flooding
|
San Souci area homes may be inaccessible and experience high water depths and velocities. Tolt River Rd and some driveways may overtop.
|
3
|
4500 c.f.s.
|
Moderate Flooding
|
Increased water depth and velocity in San Souci and other areas.
|
4
|
7000 c.f.s.
|
Major Flooding
|
Levees may overtop near Carnation. Channel changes may occur.
|
Recent High Flow Data:
Tolt River near Carnation
|
November 6, 2006
Provisional
Data |
10,500 c.f.s.
|
January 18, 2005 |
7,090 c.f.s. |
October, 2003 |
11,100 c.f.s. |
December, 1999 |
11,800 c.f.s. |
February, 1996 |
10,300 c.f.s. |
November, 1995 |
11,400 c.f.s. |
November, 1990 |
11,200 c.f.s. |
More Tolt River Flood Information
Video of the Election Day Flood, November, 2006:
Photos of
phase 4 flood, November, 2006
Lower Tolt River Floodplain
Restoration Project
Snoqualmie River Flooding Information
» Return to the The Flood Warning System
Page
» Visit King
County Flooding Services
|