| USGS Gage Name |
Time, Date |
Stage
(feet) |
Flow
(c.f.s.) |
Flow Change
(c.f.s./hr) |
| North Fork Tolt River near Carnation (external link) |
9:15 AM, 5/19/2013 |
4.74 |
427 |
0 |
| South Fork Tolt River near Carnation (external link) |
9:30 AM, 5/19/2013 |
2.03 |
77 |
0 |
| Tolt River near Carnation (external link) |
9:15 AM, 5/19/2013 |
5.76 |
660 |
0 |
Notes:
This data was requested from USGS at 5/19/2013 9:32:05 AM. c.f.s. = cubic feet per second.
King County provides funding to the United States Geological Survey (USGS) to support the operation and maintenance of river and stream gages and related systems. The term "gage" is defined as an instrument for measuring or testing. USGS uses the term "streamgage" to describe their equipment that obtains estimates of the amount of water flowing in streams and rivers. More information about USGS streamgages
|
| Flood Phase Information |
| Phase |
Flow at Tolt River gage near Carnation |
Description |
Condition |
| 1 |
2,500 c.f.s. |
Internal Alert |
|
| 2 |
3,500 c.f.s. |
Minor Flooding |
San Souci area homes may be inaccessible; 353rd Ave NE may experience high water depths and
velocities where side channels cross the road. Levee on south bank between Snoqualmie Valley
trail bridge and Highway 203 bridge near 323rd Pl SE may experience seepage. |
| 3 |
5,000 c.f.s. |
Moderate Flooding |
Increased water depth and velocity over 353rd Ave NE in San Souci area; water across
Tolt River Rd NE in vicinity of San Souci neighborhood. Increased seepage and potential
backyard flooding at levee on south bank between Snoqualmie Valley trail bridge and Highway 203 bridge near 323rd Pl SE. |
| 4 |
8,500 c.f.s. |
Major Flooding |
Levees may overtop near Carnation. Flow from seepage at levee on south bank between
Snoqualmie Valley trail bridge and Highway 203 bridge near 323rd Pl SE may cross NE 32nd St. Channel changes may
occur between upstream extent of Tolt River Rd NE/361st Ave NE and eastern boundary of Carnation. |
Recent High Flow Data:
Tolt River near Carnation |
| December 12, 2010 |
7,120 c.f.s.
|
| January 8, 2009 |
13,800 c.f.s.
|
| November 12, 2008 |
11,800 c.f.s.
|
| November 6, 2006 |
10,500 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. |
The U.S. Army Corps of Engineers also provides access to the provisional gage data:
Tolt River near Carnation (external link)
More Tolt River Flood Information
Flood Photo Viewer
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
