Location.--Latitude 47°23'28", Longitude
121°57'12", on west line NW 1/4 SW 1/4 Section 17, Township 22
North, Range 7 East, in King County, Hydrologic Unit 17110012, on
left bank 1.8 miles upstream from intake of Seattle Water-supply system
near Landsburg, 4.0 miles east of Maple Valley, 5.9 miles downstream
from Taylor Creek, and at river mile
23.4. Drainage
area is 121 mi2, excludes Walsh Lake diversion, which
enters Cedar River at mile 19.5, and excludes 1.9 mi2 of
Walsh Lake drainage in Cedar River basin, which is normally diverted
into Issaquah Creek. Datum of
gage is 565.9 feet above NGVD of 1929.
Maps.--Locate
this station on a
map of the basin (PDF).
Additional Data and Information.-- Latest shifted
rating.
Flood Stage.--The National Weather Service Flood
Stage for this station is 5.7 feet. King County has
Flood Phase Information for this gage.
Funding for this site is provided by the
cooperators / programs below:
Station Notes
This is one of the two oldest
continuously operating gages in Washington State and the oldest in
Western Washington, with data from August 1895 to current
year.
Flood Phase -
Flow (cfs) -
Phase 2
2,800 cfs
Phase 3
4,200 cfs
Phase 4
5,000 cfs
Boating safety tips
